diff --git a/configure b/configure
index 704cc35..0689562 100755
--- a/configure
+++ b/configure
@@ -685,7 +685,6 @@
   test "${CFLAGS+set}" = set || CFLAGS="-g"
 fi
 
-test "x${GCC}" = "xyes" && CFLAGS="$CFLAGS -Wall -fno-strength-reduce"
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
@@ -701,7 +700,7 @@
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 705 "configure"
+#line 704 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
@@ -715,7 +714,7 @@
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 719 "configure"
+#line 718 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
@@ -821,7 +820,7 @@
 test -z "$x_direct_test_function" && x_direct_test_function=XtMalloc
 test -z "$x_direct_test_include" && x_direct_test_include=X11/Intrinsic.h
 cat > conftest.$ac_ext <<EOF
-#line 825 "configure"
+#line 824 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
@@ -884,7 +883,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 888 "configure"
+#line 887 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1003,7 +1002,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lICE  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1007 "configure"
+#line 1006 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1047,7 +1046,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1051 "configure"
+#line 1050 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1082,7 +1081,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1086 "configure"
+#line 1085 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1122,7 +1121,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1126 "configure"
+#line 1125 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1161,7 +1160,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1165 "configure"
+#line 1164 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1266,7 +1265,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1270 "configure"
+#line 1269 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1389,7 +1388,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-li386  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1393 "configure"
+#line 1392 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1417,14 +1416,80 @@
 
 
 
-for ac_func in tcgetattr
+if test "x${GCC}" = "xyes"
+then
+  CFLAGS="$CFLAGS -Wall"
+  # If we cannot run a trivial program, we must be cross compiling.
+echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_c_cross=yes
+else
+cat > conftest.$ac_ext <<EOF
+#line 1432 "configure"
+#include "confdefs.h"
+main(){return(0);}
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_c_cross=no
+else
+  ac_cv_c_cross=yes
+fi
+fi
+rm -fr conftest*
+fi
+
+echo "$ac_t""$ac_cv_c_cross" 1>&6
+cross_compiling=$ac_cv_c_cross
+
+  echo $ac_n "checking "for gcc strength-reduce bug"""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_c_gcc_strength_bug'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_c_gcc_strength_bug="yes"
+else
+cat > conftest.$ac_ext <<EOF
+#line 1457 "configure"
+#include "confdefs.h"
+
+int main(void) {
+  static int Array3;
+  unsigned int B = 3;
+  int i;
+  for(i=0; i<B; i++) Arrayi = i - 3;
+  exit( Array1 != -2 );
+}
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_c_gcc_strength_bug="no"
+else
+  ac_cv_c_gcc_strength_bug="yes"
+fi
+fi
+rm -fr conftest* 
+fi
+
+echo "$ac_t""$ac_cv_c_gcc_strength_bug" 1>&6
+  if test "$ac_cv_c_gcc_strength_bug" = "yes"
+  then
+    CFLAGS="$CFLAGS -fno-strength-reduce"
+  fi
+fi
+
+
+for ac_func in tcgetattr usleep
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1428 "configure"
+#line 1493 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1476,7 +1541,7 @@
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1480 "configure"
+#line 1545 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
@@ -1509,7 +1574,7 @@
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1513 "configure"
+#line 1578 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -1564,7 +1629,7 @@
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1568 "configure"
+#line 1633 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1633,38 +1698,12 @@
 
 fi
 
-# If we cannot run a trivial program, we must be cross compiling.
-echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test "$cross_compiling" = yes; then
-  ac_cv_c_cross=yes
-else
-cat > conftest.$ac_ext <<EOF
-#line 1646 "configure"
-#include "confdefs.h"
-main(){return(0);}
-EOF
-eval $ac_link
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
-  ac_cv_c_cross=no
-else
-  ac_cv_c_cross=yes
-fi
-fi
-rm -fr conftest*
-fi
-
-echo "$ac_t""$ac_cv_c_cross" 1>&6
-cross_compiling=$ac_cv_c_cross
-
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1668 "configure"
+#line 1707 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1686,7 +1725,7 @@
 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 1690 "configure"
+#line 1729 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1704,7 +1743,7 @@
 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 1708 "configure"
+#line 1747 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1725,7 +1764,7 @@
   :
 else
 cat > conftest.$ac_ext <<EOF
-#line 1729 "configure"
+#line 1768 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1760,7 +1799,7 @@
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1764 "configure"
+#line 1803 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1896,6 +1935,7 @@
 controls/Makefile
 debugger/Makefile
 debugger/readline/Makefile
+files/Makefile
 if1632/Makefile
 ipc/Makefile
 library/Makefile
@@ -1967,6 +2007,7 @@
 controls/Makefile
 debugger/Makefile
 debugger/readline/Makefile
+files/Makefile
 if1632/Makefile
 ipc/Makefile
 library/Makefile