Require bison to compile Wine.

diff --git a/configure b/configure
index bbadc16..a8231f7 100755
--- a/configure
+++ b/configure
@@ -311,7 +311,7 @@
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS WIN16_FILES WIN16_INSTALL build build_cpu build_vendor build_os host host_cpu host_vendor host_os SET_MAKE CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX CPPBIN ac_ct_CPPBIN TOOLSDIR CPP X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS YACC LEX LEXLIB LEX_OUTPUT_ROOT XYACC XLEX AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP WINDRES ac_ct_WINDRES LN_S LN LDCONFIG INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LINT LINTFLAGS DB2HTML DB2PDF DB2PS DB2TXT LIBPTHREAD JPEGLIB EGREP GIFLIB XLIB XFILES OPENGLFILES GLU32FILES OPENGL_LIBS GLUT_LIBS GLUT32FILES NASLIBS CURSESLIBS sane_devel SANELIBS SANEINCL ICULIBS ft_devel ft_devel2 FREETYPEINCL ARTSCCONFIG ARTSLIBS ARTSINCL ALSALIBS AUDIOIOLIBS CAPI4LINUXLIBS EXTRACFLAGS DLLEXT DLLFLAGS DLLIBS LDSHARED LDDLLFLAGS LIBEXT IMPLIBEXT DLLTOOL ac_ct_DLLTOOL DLLWRAP ac_ct_DLLWRAP LDEXECFLAGS CROSSTEST CROSSCC CROSSWINDRES LDPATH CRTLIBS WINE_BINARIES MAIN_BINARY LDD ALLOCA LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS WIN16_FILES WIN16_INSTALL build build_cpu build_vendor build_os host host_cpu host_vendor host_os SET_MAKE CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX CPPBIN ac_ct_CPPBIN TOOLSDIR CPP X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS LEX LEXLIB LEX_OUTPUT_ROOT XLEX BISON AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP WINDRES ac_ct_WINDRES LN_S LN LDCONFIG INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LINT LINTFLAGS DB2HTML DB2PDF DB2PS DB2TXT LIBPTHREAD JPEGLIB EGREP GIFLIB XLIB XFILES OPENGLFILES GLU32FILES OPENGL_LIBS GLUT_LIBS GLUT32FILES NASLIBS CURSESLIBS sane_devel SANELIBS SANEINCL ICULIBS ft_devel ft_devel2 FREETYPEINCL ARTSCCONFIG ARTSLIBS ARTSINCL ALSALIBS AUDIOIOLIBS CAPI4LINUXLIBS EXTRACFLAGS DLLEXT DLLFLAGS DLLIBS LDSHARED LDDLLFLAGS LIBEXT IMPLIBEXT DLLTOOL ac_ct_DLLTOOL DLLWRAP ac_ct_DLLWRAP LDEXECFLAGS CROSSTEST CROSSCC CROSSWINDRES LDPATH CRTLIBS WINE_BINARIES MAIN_BINARY LDD ALLOCA LIBOBJS LTLIBOBJS'
 ac_subst_files='MAKE_RULES MAKE_DLL_RULES MAKE_TEST_RULES MAKE_LIB_RULES MAKE_PROG_RULES'
 
 # Initialize some variables set by options.
@@ -4500,47 +4500,6 @@
 
 fi
 
-for ac_prog in 'bison -y' byacc
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_YACC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$YACC"; then
-  ac_cv_prog_YACC="$YACC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_YACC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-YACC=$ac_cv_prog_YACC
-if test -n "$YACC"; then
-  echo "$as_me:$LINENO: result: $YACC" >&5
-echo "${ECHO_T}$YACC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-  test -n "$YACC" && break
-done
-test -n "$YACC" || YACC="yacc"
-
 for ac_prog in flex lex
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -4813,53 +4772,6 @@
 
 fi
 
-for ac_prog in $YACC bison yacc
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_XYACC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$XYACC"; then
-  ac_cv_prog_XYACC="$XYACC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_XYACC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-XYACC=$ac_cv_prog_XYACC
-if test -n "$XYACC"; then
-  echo "$as_me:$LINENO: result: $XYACC" >&5
-echo "${ECHO_T}$XYACC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-  test -n "$XYACC" && break
-done
-test -n "$XYACC" || XYACC="none"
-
-if test "$XYACC" = "none"
-then
-  { { echo "$as_me:$LINENO: error: no suitable bison/yacc found. Please install the 'bison' package." >&5
-echo "$as_me: error: no suitable bison/yacc found. Please install the 'bison' package." >&2;}
-   { (exit 1); exit 1; }; }
-fi
 for ac_prog in $LEX flex lex
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -4908,6 +4820,54 @@
    { (exit 1); exit 1; }; }
 fi
 
+for ac_prog in bison
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_BISON+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$BISON"; then
+  ac_cv_prog_BISON="$BISON" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_BISON="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+BISON=$ac_cv_prog_BISON
+if test -n "$BISON"; then
+  echo "$as_me:$LINENO: result: $BISON" >&5
+echo "${ECHO_T}$BISON" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$BISON" && break
+done
+test -n "$BISON" || BISON="none"
+
+if test "$BISON" = "none"
+then
+  { { echo "$as_me:$LINENO: error: no suitable bison found. Please install the 'bison' package." >&5
+echo "$as_me: error: no suitable bison found. Please install the 'bison' package." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 if test -n "$ac_tool_prefix"; then
   for ac_prog in gas as
   do
@@ -20960,12 +20920,11 @@
 s,@X_PRE_LIBS@,$X_PRE_LIBS,;t t
 s,@X_LIBS@,$X_LIBS,;t t
 s,@X_EXTRA_LIBS@,$X_EXTRA_LIBS,;t t
-s,@YACC@,$YACC,;t t
 s,@LEX@,$LEX,;t t
 s,@LEXLIB@,$LEXLIB,;t t
 s,@LEX_OUTPUT_ROOT@,$LEX_OUTPUT_ROOT,;t t
-s,@XYACC@,$XYACC,;t t
 s,@XLEX@,$XLEX,;t t
+s,@BISON@,$BISON,;t t
 s,@AS@,$AS,;t t
 s,@ac_ct_AS@,$ac_ct_AS,;t t
 s,@LD@,$LD,;t t