Added '--enable-opengl' flag to bypass the thread-safety check.

diff --git a/configure b/configure
index af2f506..578fd78 100755
--- a/configure
+++ b/configure
@@ -19,6 +19,8 @@
 ac_help="$ac_help
   --disable-debug         compile out all debugging messages"
 ac_help="$ac_help
+  --enable-opengl         force usage of OpenGL even if the latter is thread-safe"
+ac_help="$ac_help
   --disable-trace         compile out TRACE messages"
 ac_help="$ac_help
   --without-curses        do not use curses"
@@ -567,6 +569,7 @@
 TRACE_MSGS=yes	# the TRACE() macro
 DEBUG_MSGS=yes	# the TRACE(), WARN(), and FIXME() macros.
 CURSES=yes
+OPENGL=normal
 
 # Check whether --enable-emulator or --disable-emulator was given.
 if test "${enable_emulator+set}" = set; then
@@ -589,6 +592,13 @@
 fi
 
 
+# Check whether --enable-opengl or --disable-opengl was given.
+if test "${enable_opengl+set}" = set; then
+  enableval="$enable_opengl"
+  if test "$enableval" = "no"; then OPENGL="no"; elif test "$enableval" = "yes"; then OPENGL="yes"; fi
+fi
+
+
 # Check whether --enable-trace or --disable-trace was given.
 if test "${enable_trace+set}" = set; then
   enableval="$enable_trace"
@@ -635,7 +645,7 @@
 
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:639: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:649: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -664,7 +674,7 @@
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:668: checking for $ac_word" >&5
+echo "configure:678: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -694,7 +704,7 @@
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:698: checking for $ac_word" >&5
+echo "configure:708: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -745,7 +755,7 @@
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:749: checking for $ac_word" >&5
+echo "configure:759: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -777,7 +787,7 @@
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:781: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:791: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -788,12 +798,12 @@
 
 cat > conftest.$ac_ext << EOF
 
-#line 792 "configure"
+#line 802 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:807: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -819,12 +829,12 @@
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:823: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:833: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:828: checking whether we are using GNU C" >&5
+echo "configure:838: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -833,7 +843,7 @@
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:837: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:847: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -852,7 +862,7 @@
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:856: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:866: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -884,7 +894,7 @@
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:888: checking how to run the C preprocessor" >&5
+echo "configure:898: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -899,13 +909,13 @@
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 903 "configure"
+#line 913 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:909: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:919: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -916,13 +926,13 @@
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 920 "configure"
+#line 930 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:926: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:936: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -933,13 +943,13 @@
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 937 "configure"
+#line 947 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:943: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:953: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -968,7 +978,7 @@
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:972: checking for X" >&5
+echo "configure:982: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -1030,12 +1040,12 @@
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 1034 "configure"
+#line 1044 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1039: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1049: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1104,14 +1114,14 @@
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1108 "configure"
+#line 1118 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:1115: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -1217,17 +1227,17 @@
     case "`(uname -sr) 2>/dev/null`" in
     "SunOS 5"*)
       echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:1221: checking whether -R must be followed by a space" >&5
+echo "configure:1231: checking whether -R must be followed by a space" >&5
       ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
       cat > conftest.$ac_ext <<EOF
-#line 1224 "configure"
+#line 1234 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1231: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1241: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_nospace=yes
 else
@@ -1243,14 +1253,14 @@
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
 	cat > conftest.$ac_ext <<EOF
-#line 1247 "configure"
+#line 1257 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1254: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_space=yes
 else
@@ -1282,7 +1292,7 @@
     # libraries were built with DECnet support.  And karl@cs.umb.edu says
     # the Alpha needs dnet_stub (dnet does not exist).
     echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:1286: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:1296: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1290,7 +1300,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1294 "configure"
+#line 1304 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1301,7 +1311,7 @@
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:1305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1323,7 +1333,7 @@
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:1327: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:1337: checking for dnet_ntoa in -ldnet_stub" >&5
 ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1331,7 +1341,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1335 "configure"
+#line 1345 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1342,7 +1352,7 @@
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:1346: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1371,12 +1381,12 @@
     # The nsl library prevents programs from opening the X display
     # on Irix 5.2, according to dickey@clark.net.
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:1375: checking for gethostbyname" >&5
+echo "configure:1385: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1380 "configure"
+#line 1390 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -1399,7 +1409,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:1403: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1413: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -1420,7 +1430,7 @@
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:1424: checking for gethostbyname in -lnsl" >&5
+echo "configure:1434: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1428,7 +1438,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1432 "configure"
+#line 1442 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1439,7 +1449,7 @@
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:1443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1453: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1469,12 +1479,12 @@
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:1473: checking for connect" >&5
+echo "configure:1483: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1478 "configure"
+#line 1488 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -1497,7 +1507,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:1501: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -1518,7 +1528,7 @@
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:1522: checking for connect in -lsocket" >&5
+echo "configure:1532: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1526,7 +1536,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1530 "configure"
+#line 1540 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1537,7 +1547,7 @@
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:1541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1551: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1561,12 +1571,12 @@
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:1565: checking for remove" >&5
+echo "configure:1575: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1570 "configure"
+#line 1580 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -1589,7 +1599,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:1593: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1603: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -1610,7 +1620,7 @@
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:1614: checking for remove in -lposix" >&5
+echo "configure:1624: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1618,7 +1628,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1622 "configure"
+#line 1632 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1629,7 +1639,7 @@
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:1633: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1653,12 +1663,12 @@
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:1657: checking for shmat" >&5
+echo "configure:1667: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1662 "configure"
+#line 1672 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -1681,7 +1691,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:1685: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1695: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -1702,7 +1712,7 @@
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:1706: checking for shmat in -lipc" >&5
+echo "configure:1716: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1710,7 +1720,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1714 "configure"
+#line 1724 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1721,7 +1731,7 @@
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:1725: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1735: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1754,7 +1764,7 @@
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:1758: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:1768: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1762,7 +1772,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1766 "configure"
+#line 1776 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1773,7 +1783,7 @@
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:1777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1787: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1802,7 +1812,7 @@
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1806: checking for $ac_word" >&5
+echo "configure:1816: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1835,7 +1845,7 @@
 # Extract the first word of "flex", so it can be a program name with args.
 set dummy flex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1839: checking for $ac_word" >&5
+echo "configure:1849: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1869,7 +1879,7 @@
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1873: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1883: checking for yywrap in -l$ac_lib" >&5
 ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1877,7 +1887,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1881 "configure"
+#line 1891 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1888,7 +1898,7 @@
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1892: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1902: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1913,7 +1923,7 @@
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1917: checking for $ac_word" >&5
+echo "configure:1927: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1952,7 +1962,7 @@
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1956: checking for a BSD compatible install" >&5
+echo "configure:1966: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2005,7 +2015,7 @@
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:2009: checking whether ln -s works" >&5
+echo "configure:2019: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2028,7 +2038,7 @@
 # Extract the first word of "c2man", so it can be a program name with args.
 set dummy c2man; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2032: checking for $ac_word" >&5
+echo "configure:2042: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_C2MAN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2058,7 +2068,7 @@
 # Extract the first word of "ldconfig", so it can be a program name with args.
 set dummy ldconfig; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2062: checking for $ac_word" >&5
+echo "configure:2072: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LDCONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2097,7 +2107,7 @@
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2101: checking for $ac_word" >&5
+echo "configure:2111: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LINT'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2135,7 +2145,7 @@
 
 
 echo $ac_n "checking for sqrt in -lm""... $ac_c" 1>&6
-echo "configure:2139: checking for sqrt in -lm" >&5
+echo "configure:2149: checking for sqrt in -lm" >&5
 ac_lib_var=`echo m'_'sqrt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2143,7 +2153,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2147 "configure"
+#line 2157 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2154,7 +2164,7 @@
 sqrt()
 ; return 0; }
 EOF
-if { (eval echo configure:2158: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2168: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2182,7 +2192,7 @@
 fi
 
 echo $ac_n "checking for i386_set_ldt in -li386""... $ac_c" 1>&6
-echo "configure:2186: checking for i386_set_ldt in -li386" >&5
+echo "configure:2196: checking for i386_set_ldt in -li386" >&5
 ac_lib_var=`echo i386'_'i386_set_ldt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2190,7 +2200,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-li386  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2194 "configure"
+#line 2204 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2201,7 +2211,7 @@
 i386_set_ldt()
 ; return 0; }
 EOF
-if { (eval echo configure:2205: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2215: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2229,7 +2239,7 @@
 fi
 
 echo $ac_n "checking for _oss_ioctl in -lossaudio""... $ac_c" 1>&6
-echo "configure:2233: checking for _oss_ioctl in -lossaudio" >&5
+echo "configure:2243: checking for _oss_ioctl in -lossaudio" >&5
 ac_lib_var=`echo ossaudio'_'_oss_ioctl | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2237,7 +2247,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lossaudio  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2241 "configure"
+#line 2251 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2248,7 +2258,7 @@
 _oss_ioctl()
 ; return 0; }
 EOF
-if { (eval echo configure:2252: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2262: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2276,7 +2286,7 @@
 fi
 
 echo $ac_n "checking for iswalnum in -lw""... $ac_c" 1>&6
-echo "configure:2280: checking for iswalnum in -lw" >&5
+echo "configure:2290: checking for iswalnum in -lw" >&5
 ac_lib_var=`echo w'_'iswalnum | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2284,7 +2294,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lw  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2288 "configure"
+#line 2298 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2295,7 +2305,7 @@
 iswalnum()
 ; return 0; }
 EOF
-if { (eval echo configure:2299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2325,12 +2335,12 @@
 for ac_func in gethostbyname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2329: checking for $ac_func" >&5
+echo "configure:2339: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2334 "configure"
+#line 2344 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2353,7 +2363,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:2357: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2367: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2375,7 +2385,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2379: checking for gethostbyname in -lnsl" >&5
+echo "configure:2389: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2383,7 +2393,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl -lsocket $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2387 "configure"
+#line 2397 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2394,7 +2404,7 @@
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2408: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2413,7 +2423,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lsocket""... $ac_c" 1>&6
-echo "configure:2417: checking for gethostbyname in -lsocket" >&5
+echo "configure:2427: checking for gethostbyname in -lsocket" >&5
 ac_lib_var=`echo socket'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2421,7 +2431,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket -lnsl $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2425 "configure"
+#line 2435 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2432,7 +2442,7 @@
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2436: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2446: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2460,12 +2470,12 @@
 for ac_func in connect
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2464: checking for $ac_func" >&5
+echo "configure:2474: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2469 "configure"
+#line 2479 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2488,7 +2498,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:2492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2502: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2510,7 +2520,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:2514: checking for connect in -lsocket" >&5
+echo "configure:2524: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2518,7 +2528,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2522 "configure"
+#line 2532 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2529,7 +2539,7 @@
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:2533: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2560,7 +2570,7 @@
 done
 
 echo $ac_n "checking for setrunelocale in -lxpg4""... $ac_c" 1>&6
-echo "configure:2564: checking for setrunelocale in -lxpg4" >&5
+echo "configure:2574: checking for setrunelocale in -lxpg4" >&5
 ac_lib_var=`echo xpg4'_'setrunelocale | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2568,7 +2578,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lxpg4  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2572 "configure"
+#line 2582 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2579,7 +2589,7 @@
 setrunelocale()
 ; return 0; }
 EOF
-if { (eval echo configure:2583: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2593: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2607,7 +2617,7 @@
 fi
 
 echo $ac_n "checking for mmap in -lmmap""... $ac_c" 1>&6
-echo "configure:2611: checking for mmap in -lmmap" >&5
+echo "configure:2621: checking for mmap in -lmmap" >&5
 ac_lib_var=`echo mmap'_'mmap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2615,7 +2625,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lmmap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2619 "configure"
+#line 2629 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2626,7 +2636,7 @@
 mmap()
 ; return 0; }
 EOF
-if { (eval echo configure:2630: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2640: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2656,12 +2666,12 @@
 for ac_func in openpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2660: checking for $ac_func" >&5
+echo "configure:2670: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2665 "configure"
+#line 2675 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2684,7 +2694,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:2688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2698: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2706,7 +2716,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
-echo "configure:2710: checking for openpty in -lutil" >&5
+echo "configure:2720: checking for openpty in -lutil" >&5
 ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2714,7 +2724,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2718 "configure"
+#line 2728 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2725,7 +2735,7 @@
 openpty()
 ; return 0; }
 EOF
-if { (eval echo configure:2729: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2739: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2758,17 +2768,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2762: checking for $ac_hdr" >&5
+echo "configure:2772: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2767 "configure"
+#line 2777 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2772: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2782: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2791,12 +2801,12 @@
  for ac_func in dlopen
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2795: checking for $ac_func" >&5
+echo "configure:2805: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2800 "configure"
+#line 2810 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2819,7 +2829,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:2823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2844,7 +2854,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2848: checking for dlopen in -ldl" >&5
+echo "configure:2858: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2852,7 +2862,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2856 "configure"
+#line 2866 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2863,7 +2873,7 @@
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2877: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2919,17 +2929,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2923: checking for $ac_hdr" >&5
+echo "configure:2933: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2928 "configure"
+#line 2938 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2933: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2943: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2958,7 +2968,7 @@
     if test "$ac_cv_header_X11_xpm_h" = "yes"
     then 
         echo $ac_n "checking for XpmCreatePixmapFromData in -lXpm""... $ac_c" 1>&6
-echo "configure:2962: checking for XpmCreatePixmapFromData in -lXpm" >&5
+echo "configure:2972: checking for XpmCreatePixmapFromData in -lXpm" >&5
 ac_lib_var=`echo Xpm'_'XpmCreatePixmapFromData | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2966,7 +2976,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lXpm $X_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2970 "configure"
+#line 2980 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2977,7 +2987,7 @@
 XpmCreatePixmapFromData()
 ; return 0; }
 EOF
-if { (eval echo configure:2981: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2991: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3020,17 +3030,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3024: checking for $ac_hdr" >&5
+echo "configure:3034: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3029 "configure"
+#line 3039 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3034: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3044: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3059,7 +3069,7 @@
     if test "$ac_cv_header_X11_Xlib_h" = "yes" -a "$ac_cv_header_X11_extensions_XShm_h" = "yes"
     then 
         echo $ac_n "checking for XShmQueryExtension in -lXext""... $ac_c" 1>&6
-echo "configure:3063: checking for XShmQueryExtension in -lXext" >&5
+echo "configure:3073: checking for XShmQueryExtension in -lXext" >&5
 ac_lib_var=`echo Xext'_'XShmQueryExtension | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3067,7 +3077,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lXext $X_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3071 "configure"
+#line 3081 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3078,7 +3088,7 @@
 XShmQueryExtension()
 ; return 0; }
 EOF
-if { (eval echo configure:3082: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3092: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3106,17 +3116,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3110: checking for $ac_hdr" >&5
+echo "configure:3120: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3115 "configure"
+#line 3125 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3120: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3130: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3145,7 +3155,7 @@
     if test "$ac_cv_header_X11_Xlib_h" = "yes" -a "$ac_cv_header_X11_extensions_xf86dga_h" = "yes"
     then 
          echo $ac_n "checking for XDGAQueryExtension in -lXxf86dga""... $ac_c" 1>&6
-echo "configure:3149: checking for XDGAQueryExtension in -lXxf86dga" >&5
+echo "configure:3159: checking for XDGAQueryExtension in -lXxf86dga" >&5
 ac_lib_var=`echo Xxf86dga'_'XDGAQueryExtension | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3154,7 +3164,7 @@
 LIBS="-lXxf86dga $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
 	  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3158 "configure"
+#line 3168 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3165,7 +3175,7 @@
 XDGAQueryExtension()
 ; return 0; }
 EOF
-if { (eval echo configure:3169: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3179: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3198,7 +3208,7 @@
 	 if test "$ac_cv_lib_Xxf86dga_XDGAQueryExtension" = "no"
 	 then
            echo $ac_n "checking for XF86DGAQueryExtension in -lXxf86dga""... $ac_c" 1>&6
-echo "configure:3202: checking for XF86DGAQueryExtension in -lXxf86dga" >&5
+echo "configure:3212: checking for XF86DGAQueryExtension in -lXxf86dga" >&5
 ac_lib_var=`echo Xxf86dga'_'XF86DGAQueryExtension | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3206,7 +3216,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lXxf86dga $X_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3210 "configure"
+#line 3220 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3217,7 +3227,7 @@
 XF86DGAQueryExtension()
 ; return 0; }
 EOF
-if { (eval echo configure:3221: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3231: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3250,17 +3260,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3254: checking for $ac_hdr" >&5
+echo "configure:3264: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3259 "configure"
+#line 3269 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3264: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3274: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3289,7 +3299,7 @@
     if test "$ac_cv_header_X11_Xlib_h" = "yes" -a "$ac_cv_header_X11_extensions_xf86vmode_h" = "yes"
     then 
         echo $ac_n "checking for XF86VidModeQueryExtension in -lXxf86vm""... $ac_c" 1>&6
-echo "configure:3293: checking for XF86VidModeQueryExtension in -lXxf86vm" >&5
+echo "configure:3303: checking for XF86VidModeQueryExtension in -lXxf86vm" >&5
 ac_lib_var=`echo Xxf86vm'_'XF86VidModeQueryExtension | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3297,7 +3307,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lXxf86vm $X_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3301 "configure"
+#line 3311 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3308,7 +3318,7 @@
 XF86VidModeQueryExtension()
 ; return 0; }
 EOF
-if { (eval echo configure:3312: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3322: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3333,21 +3343,23 @@
 
     fi
 
-        for ac_hdr in GL/gl.h GL/glx.h GL/osmesa.h
+        if test $OPENGL = "yes" -o $OPENGL = "normal"
+    then
+	for ac_hdr in GL/gl.h GL/glx.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3341: checking for $ac_hdr" >&5
+echo "configure:3353: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3346 "configure"
+#line 3358 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3351: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3363: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3373,22 +3385,22 @@
 fi
 done
 
-    if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
-    then
-                echo $ac_n "checking "for up-to-date Mesa version"""... $ac_c" 1>&6
-echo "configure:3380: checking "for up-to-date Mesa version"" >&5
+	if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
+	then
+	    	    echo $ac_n "checking "for up-to-date OpenGL version"""... $ac_c" 1>&6
+echo "configure:3392: checking "for up-to-date OpenGL version"" >&5
 if eval "test \"`echo '$''{'wine_cv_mesa_version_OK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3385 "configure"
+#line 3397 "configure"
 #include "confdefs.h"
 #include <GL/gl.h>
 int main() {
 GLenum test = GL_UNSIGNED_SHORT_5_6_5;
 ; return 0; }
 EOF
-if { (eval echo configure:3392: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3404: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_mesa_version_OK="yes"
 else
@@ -3396,30 +3408,30 @@
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   wine_cv_mesa_version_OK="no"
-	  
+	      
 fi
 rm -f conftest*
-        
+            
 fi
 
 echo "$ac_t""$wine_cv_mesa_version_OK" 1>&6
 
-	        echo $ac_n "checking "for thread-safe Mesa version"""... $ac_c" 1>&6
-echo "configure:3409: checking "for thread-safe Mesa version"" >&5
+	    	    echo $ac_n "checking "for thread-safe OpenGL version"""... $ac_c" 1>&6
+echo "configure:3421: checking "for thread-safe OpenGL version"" >&5
 if eval "test \"`echo '$''{'wine_cv_mesa_version_threadsafe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   saved_libs=$LIBS
-		        LIBS="$X_LIBS -lGL"
-			cat > conftest.$ac_ext <<EOF
-#line 3416 "configure"
+	       LIBS="$X_LIBS -lGL"
+	       cat > conftest.$ac_ext <<EOF
+#line 3428 "configure"
 #include "confdefs.h"
 
 int main() {
 pthread_getspecific();
 ; return 0; }
 EOF
-if { (eval echo configure:3423: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   wine_cv_mesa_version_threadsafe="yes"
 else
@@ -3429,16 +3441,16 @@
   wine_cv_mesa_version_threadsafe="no"
 fi
 rm -f conftest*
-			LIBS=$saved_libs
-	
+	       LIBS=$saved_libs
+	    
 fi
 
 echo "$ac_t""$wine_cv_mesa_version_threadsafe" 1>&6
 
-        if test "$wine_cv_mesa_version_OK" = "yes" -a "$wine_cv_mesa_version_threadsafe" = "no"
-        then
-	                echo $ac_n "checking for glXCreateContext in -lGL""... $ac_c" 1>&6
-echo "configure:3442: checking for glXCreateContext in -lGL" >&5
+	    if test "$wine_cv_mesa_version_OK" = "yes" -a \( "$wine_cv_mesa_version_threadsafe" = "no" -o $OPENGL = "yes" \)
+            then
+				echo $ac_n "checking for glXCreateContext in -lGL""... $ac_c" 1>&6
+echo "configure:3454: checking for glXCreateContext in -lGL" >&5
 ac_lib_var=`echo GL'_'glXCreateContext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3446,7 +3458,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lGL $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3450 "configure"
+#line 3462 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3457,7 +3469,7 @@
 glXCreateContext()
 ; return 0; }
 EOF
-if { (eval echo configure:3461: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3473: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3476,17 +3488,18 @@
 #define HAVE_LIBMESAGL 1
 EOF
 
-		X_PRE_LIBS="$X_PRE_LIBS -lGL"
-		MESA_SRCS='$(MESA_SRCS)'
-		
+			     X_PRE_LIBS="$X_PRE_LIBS -lGL"
+			     MESA_SRCS='$(MESA_SRCS)'
+			     
 else
   echo "$ac_t""no" 1>&6
 fi
 
-	    if test "$ac_cv_lib_GL_glXCreateContext" = "no"
-	    then
-		echo $ac_n "checking for glXCreateContext in -lMesaGL""... $ac_c" 1>&6
-echo "configure:3490: checking for glXCreateContext in -lMesaGL" >&5
+
+		if test "$ac_cv_lib_GL_glXCreateContext" = "no"
+		then
+			echo $ac_n "checking for glXCreateContext in -lMesaGL""... $ac_c" 1>&6
+echo "configure:3503: checking for glXCreateContext in -lMesaGL" >&5
 ac_lib_var=`echo MesaGL'_'glXCreateContext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3494,7 +3507,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lMesaGL $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3498 "configure"
+#line 3511 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3505,7 +3518,7 @@
 glXCreateContext()
 ; return 0; }
 EOF
-if { (eval echo configure:3509: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3522: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3524,29 +3537,29 @@
 #define HAVE_LIBMESAGL 1
 EOF
 
-		    X_PRE_LIBS="$X_PRE_LIBS -lMesaGL"
-		    MESA_SRCS='$(MESA_SRCS)'
-		    
+				     X_PRE_LIBS="$X_PRE_LIBS -lMesaGL"
+				     MESA_SRCS='$(MESA_SRCS)'
+				     
 else
   echo "$ac_t""no" 1>&6
 fi
 
-	    fi
+	        fi
 
-	    	    echo $ac_n "checking "for the OpenGL Color Index extension"""... $ac_c" 1>&6
-echo "configure:3538: checking "for the OpenGL Color Index extension"" >&5
+				echo $ac_n "checking "for the OpenGL Color Index extension"""... $ac_c" 1>&6
+echo "configure:3551: checking "for the OpenGL Color Index extension"" >&5
 if eval "test \"`echo '$''{'dummy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3543 "configure"
+#line 3556 "configure"
 #include "confdefs.h"
 #include <GL/gl.h>
 int main() {
 GLenum test = GL_COLOR_INDEX8_EXT;
 ; return 0; }
 EOF
-if { (eval echo configure:3550: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3563: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_GL_COLOR_TABLE 1
@@ -3557,14 +3570,14 @@
   cat conftest.$ac_ext >&5
 fi
 rm -f conftest*
-	    
 fi
 
 echo "$ac_t""$dummy" 1>&6
-    	    if test "$ac_cv_lib_GL_glXCreateContext" = "no"
-	    then
-		echo $ac_n "checking for glColorTableEXT in -lMesaGL""... $ac_c" 1>&6
-echo "configure:3568: checking for glColorTableEXT in -lMesaGL" >&5
+
+    	        if test "$ac_cv_lib_GL_glXCreateContext" = "no"
+		then
+			echo $ac_n "checking for glColorTableEXT in -lMesaGL""... $ac_c" 1>&6
+echo "configure:3581: checking for glColorTableEXT in -lMesaGL" >&5
 ac_lib_var=`echo MesaGL'_'glColorTableEXT | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3572,7 +3585,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lMesaGL $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3576 "configure"
+#line 3589 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3583,7 +3596,7 @@
 glColorTableEXT()
 ; return 0; }
 EOF
-if { (eval echo configure:3587: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3606,9 +3619,9 @@
   echo "$ac_t""no" 1>&6
 fi
 
-	    else
-		echo $ac_n "checking for glColorTableEXT in -lGL""... $ac_c" 1>&6
-echo "configure:3612: checking for glColorTableEXT in -lGL" >&5
+		else
+			echo $ac_n "checking for glColorTableEXT in -lGL""... $ac_c" 1>&6
+echo "configure:3625: checking for glColorTableEXT in -lGL" >&5
 ac_lib_var=`echo GL'_'glColorTableEXT | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3616,7 +3629,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lGL $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3620 "configure"
+#line 3633 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3627,7 +3640,7 @@
 glColorTableEXT()
 ; return 0; }
 EOF
-if { (eval echo configure:3631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3644: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3650,8 +3663,9 @@
   echo "$ac_t""no" 1>&6
 fi
 
-	    fi
-        fi
+		fi
+	     fi
+	 fi
     fi
 
     CPPFLAGS="$ac_save_CPPFLAGS"
@@ -3669,17 +3683,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3673: checking for $ac_hdr" >&5
+echo "configure:3687: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3678 "configure"
+#line 3692 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3683: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3697: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3708,7 +3722,7 @@
     if test "$ac_cv_header_ncurses_h" = "yes"
     then 
         echo $ac_n "checking for waddch in -lncurses""... $ac_c" 1>&6
-echo "configure:3712: checking for waddch in -lncurses" >&5
+echo "configure:3726: checking for waddch in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'waddch | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3716,7 +3730,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3720 "configure"
+#line 3734 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3727,7 +3741,7 @@
 waddch()
 ; return 0; }
 EOF
-if { (eval echo configure:3731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3745: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3758,7 +3772,7 @@
     if test "$ac_cv_lib_ncurses_waddch" = "yes"
     then
         echo $ac_n "checking for resizeterm in -lncurses""... $ac_c" 1>&6
-echo "configure:3762: checking for resizeterm in -lncurses" >&5
+echo "configure:3776: checking for resizeterm in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'resizeterm | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3766,7 +3780,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3770 "configure"
+#line 3784 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3777,7 +3791,7 @@
 resizeterm()
 ; return 0; }
 EOF
-if { (eval echo configure:3781: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3795: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3801,7 +3815,7 @@
 fi
 
         echo $ac_n "checking for getbkgd in -lncurses""... $ac_c" 1>&6
-echo "configure:3805: checking for getbkgd in -lncurses" >&5
+echo "configure:3819: checking for getbkgd in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'getbkgd | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3809,7 +3823,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3813 "configure"
+#line 3827 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3820,7 +3834,7 @@
 getbkgd()
 ; return 0; }
 EOF
-if { (eval echo configure:3824: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3848,17 +3862,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3852: checking for $ac_hdr" >&5
+echo "configure:3866: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3857 "configure"
+#line 3871 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3862: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3876: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3887,7 +3901,7 @@
         if test "$ac_cv_header_curses_h" = "yes"
         then    
             echo $ac_n "checking for waddch in -lcurses""... $ac_c" 1>&6
-echo "configure:3891: checking for waddch in -lcurses" >&5
+echo "configure:3905: checking for waddch in -lcurses" >&5
 ac_lib_var=`echo curses'_'waddch | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3895,7 +3909,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3899 "configure"
+#line 3913 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3906,7 +3920,7 @@
 waddch()
 ; return 0; }
 EOF
-if { (eval echo configure:3910: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3924: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3936,7 +3950,7 @@
             if test "$ac_cv_lib_curses_waddch" = "yes"
             then
                 echo $ac_n "checking for resizeterm in -lcurses""... $ac_c" 1>&6
-echo "configure:3940: checking for resizeterm in -lcurses" >&5
+echo "configure:3954: checking for resizeterm in -lcurses" >&5
 ac_lib_var=`echo curses'_'resizeterm | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3944,7 +3958,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3948 "configure"
+#line 3962 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3955,7 +3969,7 @@
 resizeterm()
 ; return 0; }
 EOF
-if { (eval echo configure:3959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3973: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3979,7 +3993,7 @@
 fi
 
                 echo $ac_n "checking for getbkgd in -lcurses""... $ac_c" 1>&6
-echo "configure:3983: checking for getbkgd in -lcurses" >&5
+echo "configure:3997: checking for getbkgd in -lcurses" >&5
 ac_lib_var=`echo curses'_'getbkgd | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3987,7 +4001,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3991 "configure"
+#line 4005 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3998,7 +4012,7 @@
 getbkgd()
 ; return 0; }
 EOF
-if { (eval echo configure:4002: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4016: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4027,12 +4041,12 @@
 fi
 
 echo $ac_n "checking "for GNU style IPX support"""... $ac_c" 1>&6
-echo "configure:4031: checking "for GNU style IPX support"" >&5
+echo "configure:4045: checking "for GNU style IPX support"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_ipx_gnu'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4036 "configure"
+#line 4050 "configure"
 #include "confdefs.h"
 #include <sys/socket.h>
     #include <netipx/ipx.h>
@@ -4040,7 +4054,7 @@
 ((struct sockaddr_ipx *)0)->sipx_family == AF_IPX
 ; return 0; }
 EOF
-if { (eval echo configure:4044: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4058: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_ipx_gnu="yes"
 else
@@ -4065,12 +4079,12 @@
 if test "$ac_cv_c_ipx_gnu" = "no"
 then
  echo $ac_n "checking "for linux style IPX support"""... $ac_c" 1>&6
-echo "configure:4069: checking "for linux style IPX support"" >&5
+echo "configure:4083: checking "for linux style IPX support"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_ipx_linux'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4074 "configure"
+#line 4088 "configure"
 #include "confdefs.h"
 #include <sys/socket.h>
      #include <asm/types.h>
@@ -4079,7 +4093,7 @@
 ((struct sockaddr_ipx *)0)->sipx_family == AF_IPX
 ; return 0; }
 EOF
-if { (eval echo configure:4083: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4097: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_ipx_linux="yes"
 else
@@ -4106,17 +4120,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4110: checking for $ac_hdr" >&5
+echo "configure:4124: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4115 "configure"
+#line 4129 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4120: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4134: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4144,12 +4158,12 @@
 
 
 echo $ac_n "checking "for Open Sound System"""... $ac_c" 1>&6
-echo "configure:4148: checking "for Open Sound System"" >&5
+echo "configure:4162: checking "for Open Sound System"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_opensoundsystem'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4153 "configure"
+#line 4167 "configure"
 #include "confdefs.h"
 
 	#if defined(HAVE_SYS_SOUNDCARD_H)
@@ -4170,7 +4184,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4174: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4188: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_opensoundsystem="yes"
 else
@@ -4193,12 +4207,12 @@
 fi
 
 echo $ac_n "checking "for Open Sound System/MIDI interface"""... $ac_c" 1>&6
-echo "configure:4197: checking "for Open Sound System/MIDI interface"" >&5
+echo "configure:4211: checking "for Open Sound System/MIDI interface"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_opensoundsystem_midi'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4202 "configure"
+#line 4216 "configure"
 #include "confdefs.h"
 
 	#if defined(HAVE_SYS_SOUNDCARD_H)
@@ -4219,7 +4233,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4223: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4237: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_opensoundsystem_midi="yes"
 else
@@ -4248,7 +4262,7 @@
 then
   CFLAGS="$CFLAGS -Wall"
   echo $ac_n "checking "for gcc strength-reduce bug"""... $ac_c" 1>&6
-echo "configure:4252: checking "for gcc strength-reduce bug"" >&5
+echo "configure:4266: checking "for gcc strength-reduce bug"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_gcc_strength_bug'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4256,7 +4270,7 @@
   ac_cv_c_gcc_strength_bug="yes"
 else
   cat > conftest.$ac_ext <<EOF
-#line 4260 "configure"
+#line 4274 "configure"
 #include "confdefs.h"
 
 int main(void) {
@@ -4267,7 +4281,7 @@
   exit( Array[1] != -2 );
 }
 EOF
-if { (eval echo configure:4271: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4285: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_gcc_strength_bug="no"
 else
@@ -4290,7 +4304,7 @@
 
 
 echo $ac_n "checking "whether external symbols need an underscore prefix"""... $ac_c" 1>&6
-echo "configure:4294: checking "whether external symbols need an underscore prefix"" >&5
+echo "configure:4308: checking "whether external symbols need an underscore prefix"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_extern_prefix'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4302,14 +4316,14 @@
 	.long 0
 EOF
 cat > conftest.$ac_ext <<EOF
-#line 4306 "configure"
+#line 4320 "configure"
 #include "confdefs.h"
 extern int ac_test;
 int main() {
 if (ac_test) return 1
 ; return 0; }
 EOF
-if { (eval echo configure:4313: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4327: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_extern_prefix="yes"
 else
@@ -4333,7 +4347,7 @@
 
 
 echo $ac_n "checking "whether assembler accepts .string"""... $ac_c" 1>&6
-echo "configure:4337: checking "whether assembler accepts .string"" >&5
+echo "configure:4351: checking "whether assembler accepts .string"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_asm_string'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4343,14 +4357,14 @@
 	.string "test"
 EOF
 cat > conftest.$ac_ext <<EOF
-#line 4347 "configure"
+#line 4361 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_asm_string="yes"
 else
@@ -4377,21 +4391,21 @@
 if test "$LIBEXT" = "so"
 then
   echo $ac_n "checking "whether we can build a Linux dll"""... $ac_c" 1>&6
-echo "configure:4381: checking "whether we can build a Linux dll"" >&5
+echo "configure:4395: checking "whether we can build a Linux dll"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_dll_linux'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   saved_cflags=$CFLAGS
   CFLAGS="$CFLAGS -fPIC -shared -Wl,-soname,conftest.so.1.0"
   cat > conftest.$ac_ext <<EOF
-#line 4388 "configure"
+#line 4402 "configure"
 #include "confdefs.h"
 
 int main() {
 return 1
 ; return 0; }
 EOF
-if { (eval echo configure:4395: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_dll_linux="yes"
 else
@@ -4411,21 +4425,21 @@
     LDSHARED="\$(CC) -shared -Wl,-soname,\$(SONAME),-rpath,\$(libdir)"
   else
     echo $ac_n "checking whether we can build a UnixWare (Solaris) dll""... $ac_c" 1>&6
-echo "configure:4415: checking whether we can build a UnixWare (Solaris) dll" >&5
+echo "configure:4429: checking whether we can build a UnixWare (Solaris) dll" >&5
 if eval "test \"`echo '$''{'ac_cv_c_dll_unixware'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   saved_cflags=$CFLAGS
     CFLAGS="$CFLAGS -fPIC -Wl,-G,-h,conftest.so.1.0"
     cat > conftest.$ac_ext <<EOF
-#line 4422 "configure"
+#line 4436 "configure"
 #include "confdefs.h"
 
 int main() {
 return 1
 ; return 0; }
 EOF
-if { (eval echo configure:4429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_dll_unixware="yes"
 else
@@ -4445,21 +4459,21 @@
       LDSHARED="\$(CC) -Wl,-G,-h,\$(libdir)/\$(SONAME)"
     else
       echo $ac_n "checking "whether we can build a NetBSD dll"""... $ac_c" 1>&6
-echo "configure:4449: checking "whether we can build a NetBSD dll"" >&5
+echo "configure:4463: checking "whether we can build a NetBSD dll"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_dll_netbsd'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   saved_cflags=$CFLAGS
       CFLAGS="$CFLAGS -fPIC -Bshareable -Bforcearchive"
       cat > conftest.$ac_ext <<EOF
-#line 4456 "configure"
+#line 4470 "configure"
 #include "confdefs.h"
 
 int main() {
 return 1
 ; return 0; }
 EOF
-if { (eval echo configure:4463: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4477: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_dll_netbsd="yes"
 else
@@ -4496,21 +4510,21 @@
 else
     DLL_LINK="-L\$(DLLDIR) \$(DLLS:%=-l%) -L\$(TOPOBJDIR) -lwine \$(X_LIBS) \$(XLIB)"
     echo $ac_n "checking whether the linker supports --[no]-whole-archive (Linux)""... $ac_c" 1>&6
-echo "configure:4500: checking whether the linker supports --[no]-whole-archive (Linux)" >&5
+echo "configure:4514: checking whether the linker supports --[no]-whole-archive (Linux)" >&5
 if eval "test \"`echo '$''{'ac_cv_c_whole_archive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   saved_cflags=$CFLAGS
             CFLAGS="$CFLAGS -Wl,--whole-archive -Wl,--no-whole-archive"
             cat > conftest.$ac_ext <<EOF
-#line 4507 "configure"
+#line 4521 "configure"
 #include "confdefs.h"
 
 int main() {
 return 1
 ; return 0; }
 EOF
-if { (eval echo configure:4514: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4528: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_whole_archive="yes"
 else
@@ -4530,21 +4544,21 @@
         DLL_LINK="-Wl,--whole-archive $DLL_LINK -Wl,--no-whole-archive"
     else
         echo $ac_n "checking whether the linker supports -z {all,default}extract (Linux)""... $ac_c" 1>&6
-echo "configure:4534: checking whether the linker supports -z {all,default}extract (Linux)" >&5
+echo "configure:4548: checking whether the linker supports -z {all,default}extract (Linux)" >&5
 if eval "test \"`echo '$''{'ac_cv_c_allextract'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   saved_cflags=$CFLAGS
 		CFLAGS="$CFLAGS -Wl,-z,allextract -Wl,-z,defaultextract"
 		cat > conftest.$ac_ext <<EOF
-#line 4541 "configure"
+#line 4555 "configure"
 #include "confdefs.h"
 
 int main() {
 return 1
 ; return 0; }
 EOF
-if { (eval echo configure:4548: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4562: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_c_allextract="yes"
 else
@@ -4575,7 +4589,7 @@
 
 wine_cv_libc_reentrant=no 
 echo $ac_n "checking "for reentrant libc: __errno_location"""... $ac_c" 1>&6
-echo "configure:4579: checking "for reentrant libc: __errno_location"" >&5
+echo "configure:4593: checking "for reentrant libc: __errno_location"" >&5
 if eval "test \"`echo '$''{'wine_cv_libc_r__errno_location'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4583,14 +4597,14 @@
   wine_cv_libc_r__errno_location=yes 
 else
   cat > conftest.$ac_ext <<EOF
-#line 4587 "configure"
+#line 4601 "configure"
 #include "confdefs.h"
 int myerrno = 0;
 char buf[256];
 int *__errno_location(){return &myerrno;}
 main(){connect(0,buf,255); exit(!myerrno);}
 EOF
-if { (eval echo configure:4594: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4608: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   wine_cv_libc_r__errno_location=yes
 else
@@ -4615,7 +4629,7 @@
     wine_cv_libc_reentrant=__errno_location 
 fi
 echo $ac_n "checking "for reentrant libc: __error"""... $ac_c" 1>&6
-echo "configure:4619: checking "for reentrant libc: __error"" >&5
+echo "configure:4633: checking "for reentrant libc: __error"" >&5
 if eval "test \"`echo '$''{'wine_cv_libc_r__error'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4623,14 +4637,14 @@
   wine_cv_libc_r__error=yes 
 else
   cat > conftest.$ac_ext <<EOF
-#line 4627 "configure"
+#line 4641 "configure"
 #include "confdefs.h"
 int myerrno = 0;
 char buf[256];
 int *__error(){return &myerrno;}
 main(){connect(0,buf,255); exit(!myerrno);}
 EOF
-if { (eval echo configure:4634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   wine_cv_libc_r__error=yes
 else
@@ -4655,7 +4669,7 @@
     wine_cv_libc_reentrant=__error 
 fi
 echo $ac_n "checking "for reentrant libc: ___errno"""... $ac_c" 1>&6
-echo "configure:4659: checking "for reentrant libc: ___errno"" >&5
+echo "configure:4673: checking "for reentrant libc: ___errno"" >&5
 if eval "test \"`echo '$''{'wine_cv_libc_r___errno'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4663,14 +4677,14 @@
   wine_cv_libc_r___errno=yes 
 else
   cat > conftest.$ac_ext <<EOF
-#line 4667 "configure"
+#line 4681 "configure"
 #include "confdefs.h"
 int myerrno = 0;
 char buf[256];
 int *___errno(){return &myerrno;}
 main(){connect(0,buf,255); exit(!myerrno);}
 EOF
-if { (eval echo configure:4674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   wine_cv_libc_r___errno=yes
 else
@@ -4695,7 +4709,7 @@
     wine_cv_libc_reentrant=___errno 
 fi
 echo $ac_n "checking "for reentrant libc: __thr_errno"""... $ac_c" 1>&6
-echo "configure:4699: checking "for reentrant libc: __thr_errno"" >&5
+echo "configure:4713: checking "for reentrant libc: __thr_errno"" >&5
 if eval "test \"`echo '$''{'wine_cv_libc_r__thr_errno'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4703,14 +4717,14 @@
   wine_cv_libc_r__thr_errno=yes 
 else
   cat > conftest.$ac_ext <<EOF
-#line 4707 "configure"
+#line 4721 "configure"
 #include "confdefs.h"
 int myerrno = 0;
 char buf[256];
 int *__thr_errno(){return &myerrno;}
 main(){connect(0,buf,255); exit(!myerrno);}
 EOF
-if { (eval echo configure:4714: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4728: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   wine_cv_libc_r__thr_errno=yes
 else
@@ -4746,7 +4760,7 @@
 if test "$have_x" = "yes" -a "$wine_cv_libc_reentrant" != "no"
 then
 echo $ac_n "checking "for reentrant X libraries"""... $ac_c" 1>&6
-echo "configure:4750: checking "for reentrant X libraries"" >&5
+echo "configure:4764: checking "for reentrant X libraries"" >&5
 if eval "test \"`echo '$''{'wine_cv_x_reentrant'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4792,14 +4806,14 @@
 
 
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:4796: checking whether byte ordering is bigendian" >&5
+echo "configure:4810: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 4803 "configure"
+#line 4817 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4810,11 +4824,11 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4814: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4828: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 4818 "configure"
+#line 4832 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4825,7 +4839,7 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4829: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4843: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -4845,7 +4859,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4849 "configure"
+#line 4863 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -4858,7 +4872,7 @@
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:4862: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -4886,19 +4900,19 @@
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:4890: checking for working alloca.h" >&5
+echo "configure:4904: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4895 "configure"
+#line 4909 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 void *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:4902: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4916: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -4919,12 +4933,12 @@
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:4923: checking for alloca" >&5
+echo "configure:4937: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4928 "configure"
+#line 4942 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -4952,7 +4966,7 @@
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:4956: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4970: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -4984,12 +4998,12 @@
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:4988: checking whether alloca needs Cray hooks" >&5
+echo "configure:5002: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4993 "configure"
+#line 5007 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -5014,12 +5028,12 @@
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5018: checking for $ac_func" >&5
+echo "configure:5032: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5023 "configure"
+#line 5037 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5042,7 +5056,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5069,7 +5083,7 @@
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:5073: checking stack direction for C alloca" >&5
+echo "configure:5087: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5077,7 +5091,7 @@
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5081 "configure"
+#line 5095 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -5096,7 +5110,7 @@
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:5100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5114: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -5147,12 +5161,12 @@
 
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5151: checking for $ac_func" >&5
+echo "configure:5165: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5156 "configure"
+#line 5170 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5175,7 +5189,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5179: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5193: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5252,17 +5266,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5256: checking for $ac_hdr" >&5
+echo "configure:5270: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5261 "configure"
+#line 5275 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5266: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5280: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5289,12 +5303,12 @@
 done
 
 echo $ac_n "checking whether stat file-mode macros are broken""... $ac_c" 1>&6
-echo "configure:5293: checking whether stat file-mode macros are broken" >&5
+echo "configure:5307: checking whether stat file-mode macros are broken" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stat_broken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5298 "configure"
+#line 5312 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -5347,12 +5361,12 @@
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:5351: checking for working const" >&5
+echo "configure:5365: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5356 "configure"
+#line 5370 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -5401,7 +5415,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5405: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5419: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -5422,21 +5436,21 @@
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:5426: checking for inline" >&5
+echo "configure:5440: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 5433 "configure"
+#line 5447 "configure"
 #include "confdefs.h"
 
 int main() {
 } int $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:5440: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5454: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -5462,12 +5476,12 @@
 esac
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:5466: checking for ANSI C header files" >&5
+echo "configure:5480: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5471 "configure"
+#line 5485 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -5475,7 +5489,7 @@
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5479: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5493: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5492,7 +5506,7 @@
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 5496 "configure"
+#line 5510 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -5510,7 +5524,7 @@
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 5514 "configure"
+#line 5528 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -5531,7 +5545,7 @@
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 5535 "configure"
+#line 5549 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -5542,7 +5556,7 @@
 exit (0); }
 
 EOF
-if { (eval echo configure:5546: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5560: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -5566,12 +5580,12 @@
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:5570: checking for size_t" >&5
+echo "configure:5584: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5575 "configure"
+#line 5589 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -5599,7 +5613,7 @@
 fi
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:5603: checking size of long long" >&5
+echo "configure:5617: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5607,7 +5621,7 @@
   ac_cv_sizeof_long_long=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5611 "configure"
+#line 5625 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -5618,7 +5632,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:5622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -5641,12 +5655,12 @@
 if test "$ac_cv_header_linux_joystick_h" = "yes"
 then
    echo $ac_n "checking "whether linux/joystick.h uses the Linux 2.2+ API"""... $ac_c" 1>&6
-echo "configure:5645: checking "whether linux/joystick.h uses the Linux 2.2+ API"" >&5
+echo "configure:5659: checking "whether linux/joystick.h uses the Linux 2.2+ API"" >&5
 if eval "test \"`echo '$''{'wine_cv_linux_joystick_22_api'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5650 "configure"
+#line 5664 "configure"
 #include "confdefs.h"
 
 	#include <sys/ioctl.h>
@@ -5661,7 +5675,7 @@
 /*empty*/
 ; return 0; }
 EOF
-if { (eval echo configure:5665: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5679: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_linux_joystick_22_api=yes
 else
@@ -5688,12 +5702,12 @@
 if test "$ac_cv_header_sys_vfs_h" = "yes"
 then
     echo $ac_n "checking "whether sys/vfs.h defines statfs"""... $ac_c" 1>&6
-echo "configure:5692: checking "whether sys/vfs.h defines statfs"" >&5
+echo "configure:5706: checking "whether sys/vfs.h defines statfs"" >&5
 if eval "test \"`echo '$''{'wine_cv_sys_vfs_has_statfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5697 "configure"
+#line 5711 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5710,7 +5724,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5714: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5728: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_sys_vfs_has_statfs=yes
 else
@@ -5737,12 +5751,12 @@
 if test "$ac_cv_header_sys_statfs_h" = "yes"
 then
     echo $ac_n "checking "whether sys/statfs.h defines statfs"""... $ac_c" 1>&6
-echo "configure:5741: checking "whether sys/statfs.h defines statfs"" >&5
+echo "configure:5755: checking "whether sys/statfs.h defines statfs"" >&5
 if eval "test \"`echo '$''{'wine_cv_sys_statfs_has_statfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5746 "configure"
+#line 5760 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5757,7 +5771,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5761: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5775: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_sys_statfs_has_statfs=yes
 else
@@ -5784,12 +5798,12 @@
 if test "$ac_cv_header_sys_mount_h" = "yes"
 then
     echo $ac_n "checking "whether sys/mount.h defines statfs"""... $ac_c" 1>&6
-echo "configure:5788: checking "whether sys/mount.h defines statfs"" >&5
+echo "configure:5802: checking "whether sys/mount.h defines statfs"" >&5
 if eval "test \"`echo '$''{'wine_cv_sys_mount_has_statfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5793 "configure"
+#line 5807 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5804,7 +5818,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5808: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5822: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_sys_mount_has_statfs=yes
 else
@@ -5830,7 +5844,7 @@
 
 
 echo $ac_n "checking "for statfs.f_bfree"""... $ac_c" 1>&6
-echo "configure:5834: checking "for statfs.f_bfree"" >&5
+echo "configure:5848: checking "for statfs.f_bfree"" >&5
 if eval "test \"`echo '$''{'wine_cv_statfs_bfree'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5839,7 +5853,7 @@
         wine_cv_statfs_bfree=no
     else
     	cat > conftest.$ac_ext <<EOF
-#line 5843 "configure"
+#line 5857 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5866,7 +5880,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5870: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5884: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_statfs_bfree=yes
 else
@@ -5890,7 +5904,7 @@
 fi
 
 echo $ac_n "checking "for statfs.f_bavail"""... $ac_c" 1>&6
-echo "configure:5894: checking "for statfs.f_bavail"" >&5
+echo "configure:5908: checking "for statfs.f_bavail"" >&5
 if eval "test \"`echo '$''{'wine_cv_statfs_bavail'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5899,7 +5913,7 @@
         wine_cv_statfs_bavail=no
     else
     	cat > conftest.$ac_ext <<EOF
-#line 5903 "configure"
+#line 5917 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5926,7 +5940,7 @@
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5930: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5944: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wine_cv_statfs_bavail=yes
 else
@@ -5951,12 +5965,12 @@
 
 
 echo $ac_n "checking "for msg_accrights in struct msghdr"""... $ac_c" 1>&6
-echo "configure:5955: checking "for msg_accrights in struct msghdr"" >&5
+echo "configure:5969: checking "for msg_accrights in struct msghdr"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_msg_accrights'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5960 "configure"
+#line 5974 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -5964,7 +5978,7 @@
 struct msghdr hdr; hdr.msg_accrights=0
 ; return 0; }
 EOF
-if { (eval echo configure:5968: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5982: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_msg_accrights="yes"
 else
@@ -5987,12 +6001,12 @@
 
 
 echo $ac_n "checking "for sun_len in struct sockaddr_un"""... $ac_c" 1>&6
-echo "configure:5991: checking "for sun_len in struct sockaddr_un"" >&5
+echo "configure:6005: checking "for sun_len in struct sockaddr_un"" >&5
 if eval "test \"`echo '$''{'ac_cv_c_sun_len'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5996 "configure"
+#line 6010 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -6001,7 +6015,7 @@
 static struct sockaddr_un addr; addr.sun_len = 1
 ; return 0; }
 EOF
-if { (eval echo configure:6005: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6019: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_sun_len="yes"
 else
@@ -6024,12 +6038,12 @@
 
 
 echo $ac_n "checking "whether we need to define __i386__"""... $ac_c" 1>&6
-echo "configure:6028: checking "whether we need to define __i386__"" >&5
+echo "configure:6042: checking "whether we need to define __i386__"" >&5
 if eval "test \"`echo '$''{'ac_cv_cpp_def_i386'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6033 "configure"
+#line 6047 "configure"
 #include "confdefs.h"
 #if (defined(i386) || defined(__i386)) && !defined(__i386__)
 yes
@@ -6746,14 +6760,24 @@
   echo "*** support. Consider upgrading your Mesa libraries (http://www.mesa3d.org/)."
 fi
 
-if test "$wine_cv_mesa_version_threadsafe" = "yes"
+if test "$wine_cv_mesa_version_threadsafe" = "yes" -a $OPENGL = "normal"
 then
   echo
   echo "*** Warning: the OpenGL version you have installed relies on libpthread for"
-  echo "*** thread-safety. To prevent crashes, OpenGL support has been removed"
-  echo "*** (while we work on a better fix)."
+  echo "*** thread-safety. To prevent crashes, OpenGL support has been removed."
+  echo "*** A fix for glibc 2.1.3 that seem to work is included in this version of Wine,"
+  echo "*** start configure with '--enable-opengl' to force OpenGL support."
 fi
 
+if test "$wine_cv_mesa_version_threadsafe" = "yes" -a $OPENGL = "yes"
+then
+  echo
+  echo "*** Warning: you explicitely linked in a thread-safe OpenGL version. If you"
+  echo "*** experience unusual crashes on DirectDraw games, try first to disable OpenGL"
+  echo "*** support before reporting bugs."
+fi
+
+
 echo
 echo "Configure finished.  Do 'make depend && make' to compile Wine."
 echo
diff --git a/configure.in b/configure.in
index b9017d5..a09d5da 100644
--- a/configure.in
+++ b/configure.in
@@ -18,6 +18,7 @@
 TRACE_MSGS=yes	# the TRACE() macro
 DEBUG_MSGS=yes	# the TRACE(), WARN(), and FIXME() macros.
 CURSES=yes
+OPENGL=normal
 
 AC_ARG_ENABLE(emulator,
 [  --disable-emulator      build only the Wine library, not the emulator],
@@ -31,6 +32,10 @@
 [  --disable-debug         compile out all debugging messages],
 [if test "$enableval" = "no"; then DEBUG_MSGS="no"; fi])
 
+AC_ARG_ENABLE(opengl,
+[  --enable-opengl         force usage of OpenGL even if the latter is thread-safe],
+[if test "$enableval" = "no"; then OPENGL="no"; elif test "$enableval" = "yes"; then OPENGL="yes"; fi])
+
 AC_ARG_ENABLE(trace,
 [  --disable-trace         compile out TRACE messages],
 [if test "$enableval" = "no"; then TRACE_MSGS="no"; fi])
@@ -188,64 +193,66 @@
     fi
 
     dnl Check for the presence of Mesa
-    AC_CHECK_HEADERS(GL/gl.h GL/glx.h GL/osmesa.h)
-    if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
+    if test $OPENGL = "yes" -o $OPENGL = "normal"
     then
-        dnl Check for some problems due to old Mesa versions
-        AC_CACHE_CHECK("for up-to-date Mesa version", wine_cv_mesa_version_OK,
-          AC_TRY_COMPILE(
-            [#include <GL/gl.h>],
-            [GLenum test = GL_UNSIGNED_SHORT_5_6_5;],
-            [wine_cv_mesa_version_OK="yes"],
-            [wine_cv_mesa_version_OK="no"]
-	  )
-        )
-
-	dnl Check for the thread-safety of the OpenGL library
-        AC_CACHE_CHECK("for thread-safe Mesa version", 
-		       wine_cv_mesa_version_threadsafe,
-                       [saved_libs=$LIBS
-		        LIBS="$X_LIBS -lGL"
-			AC_TRY_LINK([],[pthread_getspecific();],
-				    [wine_cv_mesa_version_threadsafe="yes"],
-				    [wine_cv_mesa_version_threadsafe="no"])
-			LIBS=$saved_libs]
-	)
-
-        if test "$wine_cv_mesa_version_OK" = "yes" -a "$wine_cv_mesa_version_threadsafe" = "no"
-        then
-	    dnl Check for the presense of the library
-            AC_CHECK_LIB(GL,glXCreateContext,
-		AC_DEFINE(HAVE_LIBMESAGL)
-		X_PRE_LIBS="$X_PRE_LIBS -lGL"
-		MESA_SRCS='$(MESA_SRCS)'
-		,,
-		$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
-	    if test "$ac_cv_lib_GL_glXCreateContext" = "no"
-	    then
-		AC_CHECK_LIB(MesaGL,glXCreateContext,
-		    AC_DEFINE(HAVE_LIBMESAGL)
-		    X_PRE_LIBS="$X_PRE_LIBS -lMesaGL"
-		    MESA_SRCS='$(MESA_SRCS)'
-		    ,,
-		    $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
-	    fi
-
-	    dnl Check for the Color Table and Paletted Texture extensions
-	    AC_CACHE_CHECK("for the OpenGL Color Index extension",dummy,
-              AC_TRY_COMPILE(
+	AC_CHECK_HEADERS(GL/gl.h GL/glx.h)
+	if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
+	then
+	    dnl Check for some problems due to old Mesa versions
+	    AC_CACHE_CHECK("for up-to-date OpenGL version", wine_cv_mesa_version_OK,
+	      AC_TRY_COMPILE(
 		[#include <GL/gl.h>],
-		[GLenum test = GL_COLOR_INDEX8_EXT;],
-		[AC_DEFINE(HAVE_GL_COLOR_TABLE)],
+		[GLenum test = GL_UNSIGNED_SHORT_5_6_5;],
+		[wine_cv_mesa_version_OK="yes"],
+		[wine_cv_mesa_version_OK="no"]
 	      )
+            )
+
+	    dnl Check for the thread-safety of the OpenGL library
+	    AC_CACHE_CHECK("for thread-safe OpenGL version", 
+			   wine_cv_mesa_version_threadsafe,
+              [saved_libs=$LIBS
+	       LIBS="$X_LIBS -lGL"
+	       AC_TRY_LINK([],[pthread_getspecific();],
+			      [wine_cv_mesa_version_threadsafe="yes"],
+			      [wine_cv_mesa_version_threadsafe="no"])
+	       LIBS=$saved_libs]
 	    )
-    	    if test "$ac_cv_lib_GL_glXCreateContext" = "no"
-	    then
-		AC_CHECK_LIB(MesaGL,glColorTableEXT,AC_DEFINE(HAVE_GL_PALETTED_TEXTURE),,$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
-	    else
-		AC_CHECK_LIB(GL,glColorTableEXT,AC_DEFINE(HAVE_GL_PALETTED_TEXTURE),,$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
-	    fi
-        fi
+
+	    if test "$wine_cv_mesa_version_OK" = "yes" -a \( "$wine_cv_mesa_version_threadsafe" = "no" -o $OPENGL = "yes" \)
+            then
+		dnl Check for the presense of the library
+		AC_CHECK_LIB(GL,glXCreateContext,
+			     AC_DEFINE(HAVE_LIBMESAGL)
+			     X_PRE_LIBS="$X_PRE_LIBS -lGL"
+			     MESA_SRCS='$(MESA_SRCS)'
+			     ,,
+			     $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
+
+		if test "$ac_cv_lib_GL_glXCreateContext" = "no"
+		then
+			AC_CHECK_LIB(MesaGL,glXCreateContext,
+				     AC_DEFINE(HAVE_LIBMESAGL)
+				     X_PRE_LIBS="$X_PRE_LIBS -lMesaGL"
+				     MESA_SRCS='$(MESA_SRCS)'
+				     ,,
+				     $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
+	        fi
+
+		dnl Check for the Color Table and Paletted Texture extensions
+		AC_CACHE_CHECK("for the OpenGL Color Index extension",dummy,
+			       AC_TRY_COMPILE([#include <GL/gl.h>],
+			                      [GLenum test = GL_COLOR_INDEX8_EXT;],
+					      [AC_DEFINE(HAVE_GL_COLOR_TABLE)],))
+
+    	        if test "$ac_cv_lib_GL_glXCreateContext" = "no"
+		then
+			AC_CHECK_LIB(MesaGL,glColorTableEXT,AC_DEFINE(HAVE_GL_PALETTED_TEXTURE),,$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
+		else
+			AC_CHECK_LIB(GL,glColorTableEXT,AC_DEFINE(HAVE_GL_PALETTED_TEXTURE),,$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
+		fi
+	     fi
+	 fi
     fi
 
     CPPFLAGS="$ac_save_CPPFLAGS"
@@ -1103,14 +1110,24 @@
   echo "*** support. Consider upgrading your Mesa libraries (http://www.mesa3d.org/)."
 fi
 
-if test "$wine_cv_mesa_version_threadsafe" = "yes"
+if test "$wine_cv_mesa_version_threadsafe" = "yes" -a $OPENGL = "normal"
 then
   echo
   echo "*** Warning: the OpenGL version you have installed relies on libpthread for"
-  echo "*** thread-safety. To prevent crashes, OpenGL support has been removed"
-  echo "*** (while we work on a better fix)."
+  echo "*** thread-safety. To prevent crashes, OpenGL support has been removed."
+  echo "*** A fix for glibc 2.1.3 that seem to work is included in this version of Wine,"
+  echo "*** start configure with '--enable-opengl' to force OpenGL support."
 fi
 
+if test "$wine_cv_mesa_version_threadsafe" = "yes" -a $OPENGL = "yes"
+then
+  echo
+  echo "*** Warning: you explicitely linked in a thread-safe OpenGL version. If you"
+  echo "*** experience unusual crashes on DirectDraw games, try first to disable OpenGL"
+  echo "*** support before reporting bugs."
+fi
+
+
 echo
 echo "Configure finished.  Do 'make depend && make' to compile Wine."
 echo
diff --git a/include/config.h.in b/include/config.h.in
index 7a2a5cb..5cc6ec3 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -242,9 +242,6 @@
 /* Define if you have the <GL/glx.h> header file.  */
 #undef HAVE_GL_GLX_H
 
-/* Define if you have the <GL/osmesa.h> header file.  */
-#undef HAVE_GL_OSMESA_H
-
 /* Define if you have the <X11/Xlib.h> header file.  */
 #undef HAVE_X11_XLIB_H