From 6a9cf61e0fb67ba9df9ddd800cc8a4c272f91795 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <bonzini@gnu.org>
Date: Fri, 2 Jul 2004 07:56:07 +0000
Subject: 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (build_modules): Add bison, byacc, flex,
	m4, texinfo.
	(flags_to_pass): Add FLEX.
	* Makefile.tpl (BUILD_DIR_PREFIX, BASE_EXPORTS): New.
	(BUILD_EXPORTS, HOST_EXPORTS, BASE_TARGET_EXPORTS): Include it.
	(DEFAULT_YACC, USUAL_YACC, DEFAULT_LEX, USUAL_LEX, DEFAULT_M4,
	DEFAULT_MAKEINFO): Remove.
	(CONFIGURED_YACC, CONFIGURED_FLEX, CONFIGURED_BISON,
	CONFIGURED_LEX, CONFIGURED_M4, CONFIGURED_MAKEINFO): Substitute.
	(YACC, FLEX, BISON, LEX, M4, MAKEINFO): Define to look into
	objdir or else use configured tool.
	(all-build): New.
	(all): Depend on it.
	(Build module dependencies): Add.
	* Makefile.in: Regenerate.
	* configure.in: Better support for multiple build modules,
	matching what is done for host/target modules.  Do not look
	for "plausible" locations of build tools if Canadian cross.
	Use autoconf's AC_PROG_CC to find a C compiler.  Define
	BUILD_DIR_PREFIX.  Look for flex, makeinfo and m4.
	* configure: Regenerate.
---
 configure | 545 ++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 266 insertions(+), 279 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 729827f..ed10f36 100755
--- a/configure
+++ b/configure
@@ -877,6 +877,14 @@ fi
 # Double entries in build_configdirs, configdirs, or target_configdirs may
 # cause circular dependencies and break everything horribly.
 
+# these library is used by various programs built for the build
+# environment
+#
+build_libs="build-libiberty"
+
+# these tools are built for the build environment
+build_tools="build-texinfo build-byacc build-flex build-bison build-m4"
+
 # these libraries are used by various programs built for the host environment
 #
 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
@@ -924,20 +932,14 @@ target_tools="target-examples target-groff target-gperf target-rda"
 ## is important because configure will choke if they ever get through.
 ## ${configdirs} is directories we build using the host tools.
 ## ${target_configdirs} is directories we build using the target tools.
-#
 configdirs=`echo ${host_libs} ${host_tools}`
 target_configdirs=`echo ${target_libraries} ${target_tools}`
 
 # Only make build modules if build != host.
-# This should be done more generally, but at the moment it doesn't matter.
 if test ${host_alias} != ${build_alias} ; then
-  # This is the only build module.
-  build_modules=libiberty
-else
-  build_modules=
+  build_configdirs=`echo ${build_libs} ${build_tools}`
 fi
 
-
 ################################################################################
 
 srcname="gnu development package"
@@ -1736,7 +1738,6 @@ if test "${build}" != "${host}" ; then
   # If we are doing a Canadian Cross, in which the host and build systems
   # are not the same, we set reasonable default values for the tools.
 
-  BISON=${BISON-bison}
   CC=${CC-${host_alias}-gcc}
   CFLAGS=${CFLAGS-"-g -O2"}
   CXX=${CXX-${host_alias}-c++}
@@ -1746,49 +1747,9 @@ if test "${build}" != "${host}" ; then
   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
+  BUILD_DIR_PREFIX=${build_subdir}
   BUILD_PREFIX=${build_alias}-
   BUILD_PREFIX_1=${build_alias}-
-  MAKEINFO=${MAKEINFO-makeinfo}
-
-  if test -z "${YACC}" ; then
-    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
-    for dir in $PATH; do
-      test -z "$dir" && dir=.
-      if test -f $dir/bison; then
-	YACC="bison -y"
-	break
-      fi
-      if test -f $dir/byacc; then
-	YACC=byacc
-	break
-      fi
-      if test -f $dir/yacc; then
-	YACC=yacc
-	break
-      fi
-    done
-    IFS="$save_ifs"
-    if test -z "${YACC}" ; then
-      YACC="bison -y"
-    fi
-  fi
-
-  if test -z "${LEX}" ; then
-    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
-    for dir in $PATH; do
-      test -z "$dir" && dir=.
-      if test -f $dir/flex; then
-	LEX=flex
-	break
-      fi
-      if test -f $dir/lex; then
-	LEX=lex
-	break
-      fi
-    done
-    IFS="$save_ifs"
-    LEX=${LEX-flex}
-  fi
 
 else
   # Set reasonable default values for some tools even if not Canadian.
@@ -1799,100 +1760,16 @@ else
   # in Makefile.in, so can still be overridden by fragments.
   # This is all going to change when we autoconfiscate...
 
-  BISON="\$(USUAL_BISON)"
   CC_FOR_BUILD="\$(CC)"
   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
+  BUILD_DIR_PREFIX=
   BUILD_PREFIX=
   BUILD_PREFIX_1=loser-
-  MAKEINFO="\$(USUAL_MAKEINFO)"
-  LEX="\$(USUAL_LEX)"
-  YACC="\$(USUAL_YACC)"
-
-  # If CC is still not set, try to get gcc.
-  cc_prog_is_gcc=
-  if test -z "${CC}" ; then
-    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
-    for dir in $PATH; do
-      test -z "$dir" && dir=.
-      if test -f $dir/gcc; then
-	CC="gcc"
-	cc_prog_is_gcc=yes
-	echo 'void f(){}' > conftest.c
-	if test -z "`${CC} -g -c conftest.c 2>&1`"; then
-	  CFLAGS=${CFLAGS-"-g -O2"}
-	  CXXFLAGS=${CXXFLAGS-"-g -O2"}
-	else
-	  CFLAGS=${CFLAGS-"-O2"}
-	  CXXFLAGS=${CXXFLAGS-"-O2"}
-	fi
-	rm -f conftest*
-	break
-      fi
-    done
-    IFS="$save_ifs"
-    CC=${CC-cc}
-  else
-    # Determine if we are using gcc.
-    cat > conftest.c <<EOF
-#ifdef __GNUC__
-  yes;
-#endif
-EOF
-    if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
-      cc_prog_is_gcc=yes
-    fi
-    rm -f conftest.c
-    if test -z "${CFLAGS}"; then
-      # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
-      # is set to a version of gcc.
-      if test "$cc_prog_is_gcc" = yes; then
-	echo 'void f(){}' > conftest.c
-	if test -z "`${CC} -g -c conftest.c 2>&1`"; then
-	  CFLAGS=${CFLAGS-"-g -O2"}
-	  CXXFLAGS=${CXXFLAGS-"-g -O2"}
-	else
-	  CFLAGS=${CFLAGS-"-O2"}
-	  CXXFLAGS=${CXXFLAGS-"-O2"}
-	fi
-	rm -f conftest*
-      fi
-    fi
-  fi
 
-  # We must set the default linker to the linker used by gcc for the correct
-  # operation of libtool.  If LD is not defined and we are using gcc, try to
-  # set the LD default to the ld used by gcc.
-  if test -z "$LD"; then
-    if test "$cc_prog_is_gcc" = yes; then
-      case $build in
-      *-*-mingw*)
-	gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
-      *)
-	gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
-      esac
-      case $gcc_prog_ld in
-      # Accept absolute paths.
-      [\\/]* | [A-Za-z]:[\\/]*)
-        LD="$gcc_prog_ld" ;;
-      esac
-    fi
-  fi
-
-  CXX=${CXX-"c++"}
-  CFLAGS=${CFLAGS-"-g"}
-  CXXFLAGS=${CXXFLAGS-"-g -O2"}
-fi
-
-if test $host != $build; then
-  ac_tool_prefix=${host_alias}-
-else
-  ac_tool_prefix=
-fi
-
-# Extract the first word of "gcc", so it can be a program name with args.
+  # 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:1896: checking for $ac_word" >&5
+echo "configure:1773: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1922,7 +1799,7 @@ if test -z "$CC"; then
   # 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:1926: checking for $ac_word" >&5
+echo "configure:1803: 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
@@ -1973,7 +1850,7 @@ fi
       # 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:1977: checking for $ac_word" >&5
+echo "configure:1854: 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
@@ -2005,7 +1882,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2009: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1886: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2016,12 +1893,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2020 "configure"
+#line 1897 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:2025: \"$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
   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
@@ -2047,12 +1924,12 @@ if test $ac_cv_prog_cc_works = no; then
   { 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""... $ac_c" 1>&6
-echo "configure:2051: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1928: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:2056: checking whether we are using GNU C" >&5
+echo "configure:1933: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2061,7 +1938,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2065: \"$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:1942: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -2080,7 +1957,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2084: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1961: 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
@@ -2112,11 +1989,42 @@ else
 fi
 
 
+  # We must set the default linker to the linker used by gcc for the correct
+  # operation of libtool.  If LD is not defined and we are using gcc, try to
+  # set the LD default to the ld used by gcc.
+  if test -z "$LD"; then
+    if test "$GCC" = yes; then
+      case $build in
+      *-*-mingw*)
+	gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
+      *)
+	gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
+      esac
+      case $gcc_prog_ld in
+      # Accept absolute paths.
+      [\\/]* | [A-Za-z]:[\\/]*)
+        LD="$gcc_prog_ld" ;;
+      esac
+    fi
+  fi
+
+  CXX=${CXX-"c++"}
+  CFLAGS=${CFLAGS-"-g"}
+  CXXFLAGS=${CXXFLAGS-"-g -O2"}
+fi
+
+if test $host != $build; then
+  ac_tool_prefix=${host_alias}-
+else
+  ac_tool_prefix=
+fi
+
+
 
 # Extract the first word of "${ac_tool_prefix}gnatbind", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2120: checking for $ac_word" >&5
+echo "configure:2028: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2148,7 +2056,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "gnatbind", so it can be a program name with args.
 set dummy gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2152: checking for $ac_word" >&5
+echo "configure:2060: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2181,7 +2089,7 @@ fi
 fi
 
 echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
-echo "configure:2185: checking whether compiler driver understands Ada" >&5
+echo "configure:2093: checking whether compiler driver understands Ada" >&5
 if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2214,7 +2122,7 @@ else
 fi
 
 echo $ac_n "checking how to compare bootstrapped objects""... $ac_c" 1>&6
-echo "configure:2218: checking how to compare bootstrapped objects" >&5
+echo "configure:2126: checking how to compare bootstrapped objects" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2287,9 +2195,9 @@ saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS $gmpinc"
 # Check GMP actually works
 echo $ac_n "checking for correct version of gmp.h""... $ac_c" 1>&6
-echo "configure:2291: checking for correct version of gmp.h" >&5
+echo "configure:2199: checking for correct version of gmp.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2293 "configure"
+#line 2201 "configure"
 #include "confdefs.h"
 #include "gmp.h"
 int main() {
@@ -2300,7 +2208,7 @@ choke me
 
 ; return 0; }
 EOF
-if { (eval echo configure:2304: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2212: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -2313,19 +2221,19 @@ rm -f conftest*
 
 if test x"$have_gmp" = xyes; then
   echo $ac_n "checking for mpf_init in -lgmp""... $ac_c" 1>&6
-echo "configure:2317: checking for mpf_init in -lgmp" >&5
+echo "configure:2225: checking for mpf_init in -lgmp" >&5
 
   saved_LIBS="$LIBS"
   LIBS="$LIBS $gmplibs"
   cat > conftest.$ac_ext <<EOF
-#line 2322 "configure"
+#line 2230 "configure"
 #include "confdefs.h"
 #include <gmp.h>
 int main() {
 mpf_t n; mpf_init(n);
 ; return 0; }
 EOF
-if { (eval echo configure:2329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2237: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -2531,6 +2439,15 @@ fi
 # Quietly strip out all directories which aren't configurable in this tree.
 # This relies on all configurable subdirectories being autoconfiscated, which
 # is now the case.
+build_configdirs_all="$build_configdirs"
+build_configdirs=
+for i in ${build_configdirs_all} ; do
+  j=`echo $i | sed -e s/build-//g` 
+  if test -f ${srcdir}/$j/configure ; then
+    build_configdirs="${build_configdirs} $i"
+  fi
+done
+
 configdirs_all="$configdirs"
 configdirs=
 for i in ${configdirs_all} ; do
@@ -2538,6 +2455,7 @@ for i in ${configdirs_all} ; do
     configdirs="${configdirs} $i"
   fi
 done
+
 target_configdirs_all="$target_configdirs"
 target_configdirs=
 for i in ${target_configdirs_all} ; do
@@ -2564,7 +2482,7 @@ if test -n "${notsupp}" && test -z "${norecursion}" ; then
 	  appdirs=""
 	  break
 	fi
-	if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+	if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
 	  appdirs=""
 	  break
 	fi
@@ -2779,113 +2697,219 @@ esac
 tooldir='${exec_prefix}'/${target_alias}
 build_tooldir=${tooldir}
 
-# Generate default definitions for YACC, M4, LEX.  These are used if the
-# Makefile can't locate these programs in objdir.
+# Generate default definitions for YACC, M4, LEX and other programs that run
+# on the build machine.  These are used if the Makefile can't locate these
+# programs in objdir.
 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
+for ac_prog in bison
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2710: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_BISON'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CONFIGURED_BISON"; then
+  ac_cv_prog_CONFIGURED_BISON="$CONFIGURED_BISON" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CONFIGURED_BISON="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CONFIGURED_BISON="$ac_cv_prog_CONFIGURED_BISON"
+if test -n "$CONFIGURED_BISON"; then
+  echo "$ac_t""$CONFIGURED_BISON" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$CONFIGURED_BISON" && break
+done
+test -n "$CONFIGURED_BISON" || CONFIGURED_BISON="$MISSING bison"
+
 for ac_prog in 'bison -y' byacc 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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2791: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_YACC'+set}'`\" = set"; then
+echo "configure:2745: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  if test -n "$DEFAULT_YACC"; then
-  ac_cv_prog_DEFAULT_YACC="$DEFAULT_YACC" # Let the user override the test.
+  if test -n "$CONFIGURED_YACC"; then
+  ac_cv_prog_CONFIGURED_YACC="$CONFIGURED_YACC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
   for ac_dir in $ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_DEFAULT_YACC="$ac_prog"
+      ac_cv_prog_CONFIGURED_YACC="$ac_prog"
       break
     fi
   done
   IFS="$ac_save_ifs"
 fi
 fi
-DEFAULT_YACC="$ac_cv_prog_DEFAULT_YACC"
-if test -n "$DEFAULT_YACC"; then
-  echo "$ac_t""$DEFAULT_YACC" 1>&6
+CONFIGURED_YACC="$ac_cv_prog_CONFIGURED_YACC"
+if test -n "$CONFIGURED_YACC"; then
+  echo "$ac_t""$CONFIGURED_YACC" 1>&6
 else
   echo "$ac_t""no" 1>&6
 fi
 
-test -n "$DEFAULT_YACC" && break
+test -n "$CONFIGURED_YACC" && break
 done
-test -n "$DEFAULT_YACC" || DEFAULT_YACC="$MISSING bison"
+test -n "$CONFIGURED_YACC" || CONFIGURED_YACC="$MISSING bison -y"
 
 for ac_prog in gm4 gnum4 m4
 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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2826: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_M4'+set}'`\" = set"; then
+echo "configure:2780: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_M4'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CONFIGURED_M4"; then
+  ac_cv_prog_CONFIGURED_M4="$CONFIGURED_M4" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CONFIGURED_M4="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CONFIGURED_M4="$ac_cv_prog_CONFIGURED_M4"
+if test -n "$CONFIGURED_M4"; then
+  echo "$ac_t""$CONFIGURED_M4" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$CONFIGURED_M4" && break
+done
+test -n "$CONFIGURED_M4" || CONFIGURED_M4="$MISSING m4"
+
+for ac_prog in flex
+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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2815: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_FLEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  if test -n "$DEFAULT_M4"; then
-  ac_cv_prog_DEFAULT_M4="$DEFAULT_M4" # Let the user override the test.
+  if test -n "$CONFIGURED_FLEX"; then
+  ac_cv_prog_CONFIGURED_FLEX="$CONFIGURED_FLEX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
   for ac_dir in $ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_DEFAULT_M4="$ac_prog"
+      ac_cv_prog_CONFIGURED_FLEX="$ac_prog"
       break
     fi
   done
   IFS="$ac_save_ifs"
 fi
 fi
-DEFAULT_M4="$ac_cv_prog_DEFAULT_M4"
-if test -n "$DEFAULT_M4"; then
-  echo "$ac_t""$DEFAULT_M4" 1>&6
+CONFIGURED_FLEX="$ac_cv_prog_CONFIGURED_FLEX"
+if test -n "$CONFIGURED_FLEX"; then
+  echo "$ac_t""$CONFIGURED_FLEX" 1>&6
 else
   echo "$ac_t""no" 1>&6
 fi
 
-test -n "$DEFAULT_M4" && break
+test -n "$CONFIGURED_FLEX" && break
 done
-test -n "$DEFAULT_M4" || DEFAULT_M4="$MISSING m4"
+test -n "$CONFIGURED_FLEX" || CONFIGURED_FLEX="$MISSING flex"
 
 for ac_prog in flex lex
 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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2861: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_LEX'+set}'`\" = set"; then
+echo "configure:2850: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  if test -n "$DEFAULT_LEX"; then
-  ac_cv_prog_DEFAULT_LEX="$DEFAULT_LEX" # Let the user override the test.
+  if test -n "$CONFIGURED_LEX"; then
+  ac_cv_prog_CONFIGURED_LEX="$CONFIGURED_LEX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
   for ac_dir in $ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_DEFAULT_LEX="$ac_prog"
+      ac_cv_prog_CONFIGURED_LEX="$ac_prog"
       break
     fi
   done
   IFS="$ac_save_ifs"
 fi
 fi
-DEFAULT_LEX="$ac_cv_prog_DEFAULT_LEX"
-if test -n "$DEFAULT_LEX"; then
-  echo "$ac_t""$DEFAULT_LEX" 1>&6
+CONFIGURED_LEX="$ac_cv_prog_CONFIGURED_LEX"
+if test -n "$CONFIGURED_LEX"; then
+  echo "$ac_t""$CONFIGURED_LEX" 1>&6
 else
   echo "$ac_t""no" 1>&6
 fi
 
-test -n "$DEFAULT_LEX" && break
+test -n "$CONFIGURED_LEX" && break
 done
-test -n "$DEFAULT_LEX" || DEFAULT_LEX="$MISSING flex"
+test -n "$CONFIGURED_LEX" || CONFIGURED_LEX="$MISSING flex"
+
+for ac_prog in makeinfo
+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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2885: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_MAKEINFO'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CONFIGURED_MAKEINFO"; then
+  ac_cv_prog_CONFIGURED_MAKEINFO="$CONFIGURED_MAKEINFO" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CONFIGURED_MAKEINFO="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CONFIGURED_MAKEINFO="$ac_cv_prog_CONFIGURED_MAKEINFO"
+if test -n "$CONFIGURED_MAKEINFO"; then
+  echo "$ac_t""$CONFIGURED_MAKEINFO" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$CONFIGURED_MAKEINFO" && break
+done
+test -n "$CONFIGURED_MAKEINFO" || CONFIGURED_MAKEINFO="$MISSING makeinfo"
 
 
 # Create a .gdbinit file which runs the one in srcdir
@@ -2969,17 +2993,7 @@ esac
 # Record target_configdirs and the configure arguments for target and
 # build configuration in Makefile.
 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
-
-# This is the final value for target_configdirs.  configdirs already
-# has its final value, as does build_modules.  It's time to create some 
-# lists of valid targets.
-
-all_build_modules=
-configure_build_modules=
-for module in ${build_modules} ; do
-  all_build_modules=all-build-${module}
-  configure_build_modules=configure-build-${module}
-done
+build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
 
 # Determine whether gdb needs tk/tcl or not.
 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
@@ -3050,7 +3064,7 @@ case "$enable_bootstrap" in
 esac
 
 
-for module in ${build_modules} ; do
+for module in ${build_configdirs} ; do
   if test -z "${no_recursion}" \
      && test -f ${build_subdir}/${module}/Makefile; then
     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
@@ -3438,8 +3452,8 @@ ospace_frag=${srcdir}/${ospace_frag}
 
 
 
-# Build module lists & subconfigure args.
 
+# Build module lists & subconfigure args.
 
 
 
@@ -3455,10 +3469,6 @@ ospace_frag=${srcdir}/${ospace_frag}
 
 
 
-
-
-
-
 # Host tools.
 ncn_tool_prefix=
 test -n "$host_alias" && ncn_tool_prefix=$host_alias-
@@ -3469,7 +3479,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
   # Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3473: checking for $ac_word" >&5
+echo "configure:3483: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3502,7 +3512,7 @@ if test -z "$ac_cv_prog_AR" ; then
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3506: checking for $ac_word" >&5
+echo "configure:3516: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3541,7 +3551,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3545: checking for $ac_word" >&5
+echo "configure:3555: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3574,7 +3584,7 @@ if test -z "$ac_cv_prog_AS" ; then
     # Extract the first word of "as", so it can be a program name with args.
 set dummy as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3578: checking for $ac_word" >&5
+echo "configure:3588: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3613,7 +3623,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3617: checking for $ac_word" >&5
+echo "configure:3627: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3646,7 +3656,7 @@ if test -z "$ac_cv_prog_DLLTOOL" ; then
     # Extract the first word of "dlltool", so it can be a program name with args.
 set dummy dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3650: checking for $ac_word" >&5
+echo "configure:3660: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3685,7 +3695,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3689: checking for $ac_word" >&5
+echo "configure:3699: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3718,7 +3728,7 @@ if test -z "$ac_cv_prog_LD" ; then
     # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3722: checking for $ac_word" >&5
+echo "configure:3732: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3757,7 +3767,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3761: checking for $ac_word" >&5
+echo "configure:3771: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3790,7 +3800,7 @@ if test -z "$ac_cv_prog_NM" ; then
     # Extract the first word of "nm", so it can be a program name with args.
 set dummy nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3794: checking for $ac_word" >&5
+echo "configure:3804: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3829,7 +3839,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3833: checking for $ac_word" >&5
+echo "configure:3843: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3862,7 +3872,7 @@ if test -z "$ac_cv_prog_RANLIB" ; then
     # 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:3866: checking for $ac_word" >&5
+echo "configure:3876: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3901,7 +3911,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3905: checking for $ac_word" >&5
+echo "configure:3915: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3934,7 +3944,7 @@ if test -z "$ac_cv_prog_WINDRES" ; then
     # Extract the first word of "windres", so it can be a program name with args.
 set dummy windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3938: checking for $ac_word" >&5
+echo "configure:3948: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3973,7 +3983,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3977: checking for $ac_word" >&5
+echo "configure:3987: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4006,7 +4016,7 @@ if test -z "$ac_cv_prog_OBJCOPY" ; then
     # Extract the first word of "objcopy", so it can be a program name with args.
 set dummy objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4010: checking for $ac_word" >&5
+echo "configure:4020: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4045,7 +4055,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4049: checking for $ac_word" >&5
+echo "configure:4059: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4078,7 +4088,7 @@ if test -z "$ac_cv_prog_OBJDUMP" ; then
     # Extract the first word of "objdump", so it can be a program name with args.
 set dummy objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4082: checking for $ac_word" >&5
+echo "configure:4092: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4119,15 +4129,12 @@ fi
 
 
 
-
-
-
 # Target tools.
  if test -n "$ncn_target_tool_prefix"; then
   # Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4131: checking for $ac_word" >&5
+echo "configure:4138: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4160,7 +4167,7 @@ if test -z "$ac_cv_prog_CONFIGURED_AR_FOR_TARGET" ; then
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4164: checking for $ac_word" >&5
+echo "configure:4171: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4199,7 +4206,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4203: checking for $ac_word" >&5
+echo "configure:4210: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4232,7 +4239,7 @@ if test -z "$ac_cv_prog_CONFIGURED_AS_FOR_TARGET" ; then
     # Extract the first word of "as", so it can be a program name with args.
 set dummy as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4236: checking for $ac_word" >&5
+echo "configure:4243: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4271,7 +4278,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4275: checking for $ac_word" >&5
+echo "configure:4282: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4304,7 +4311,7 @@ if test -z "$ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET" ; then
     # Extract the first word of "dlltool", so it can be a program name with args.
 set dummy dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4308: checking for $ac_word" >&5
+echo "configure:4315: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4343,7 +4350,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4347: checking for $ac_word" >&5
+echo "configure:4354: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4376,7 +4383,7 @@ if test -z "$ac_cv_prog_CONFIGURED_LD_FOR_TARGET" ; then
     # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4380: checking for $ac_word" >&5
+echo "configure:4387: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4415,7 +4422,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4419: checking for $ac_word" >&5
+echo "configure:4426: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4448,7 +4455,7 @@ if test -z "$ac_cv_prog_CONFIGURED_NM_FOR_TARGET" ; then
     # Extract the first word of "nm", so it can be a program name with args.
 set dummy nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4452: checking for $ac_word" >&5
+echo "configure:4459: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4487,7 +4494,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4491: checking for $ac_word" >&5
+echo "configure:4498: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4520,7 +4527,7 @@ if test -z "$ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET" ; then
     # 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:4524: checking for $ac_word" >&5
+echo "configure:4531: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4559,7 +4566,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4563: checking for $ac_word" >&5
+echo "configure:4570: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4592,7 +4599,7 @@ if test -z "$ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET" ; then
     # Extract the first word of "windres", so it can be a program name with args.
 set dummy windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4596: checking for $ac_word" >&5
+echo "configure:4603: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4677,7 +4684,7 @@ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:4681: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:4688: checking whether to enable maintainer-specific portions of Makefiles" >&5
 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -4724,7 +4731,7 @@ esac
 # gcc for stageN-gcc and stage-prev for stage(N-1).  In case this is not
 # possible, however, we can resort to mv.
 echo $ac_n "checking if symbolic links between directories work""... $ac_c" 1>&6
-echo "configure:4728: checking if symbolic links between directories work" >&5
+echo "configure:4735: checking if symbolic links between directories work" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_ln_s_dir'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4838,34 +4845,15 @@ trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
 # Transform confdefs.h into DEFS.
 # Protect against shell expansion while executing Makefile rules.
 # Protect against Makefile macro expansion.
-#
-# If the first sed substitution is executed (which looks for macros that
-# take arguments), then we branch to the quote section.  Otherwise,
-# look for a macro that doesn't take arguments.
-cat >confdef2opt.sed <<\_ACEOF
-t clear
-: clear
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	(][^ 	(]*([^)]*)\)[ 	]*\(.*\),-D\1=\2,g
-t quote
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	][^ 	]*\)[ 	]*\(.*\),-D\1=\2,g
-t quote
-d
-: quote
-s,[ 	`~#$^&*(){}\\|;'"<>?],\\&,g
-s,\[,\\&,g
-s,\],\\&,g
-s,\$,$$,g
-p
-_ACEOF
-# We use echo to avoid assuming a particular line-breaking character.
-# The extra dot is to prevent the shell from consuming trailing
-# line-breaks from the sub-command output.  A line-break within
-# single-quotes doesn't work because, if this script is created in a
-# platform that uses two characters for line-breaks (e.g., DOS), tr
-# would break.
-ac_LF_and_DOT=`echo; echo .`
-DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'`
-rm -f confdef2opt.sed
+cat > conftest.defs <<\EOF
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
+s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
+s%\[%\\&%g
+s%\]%\\&%g
+s%\$%$$%g
+EOF
+DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
+rm -f conftest.defs
 
 
 # Without the "./", some shells look in PATH for config.status.
@@ -4966,9 +4954,12 @@ s%@do_compare@%$do_compare%g
 s%@gmplibs@%$gmplibs%g
 s%@gmpinc@%$gmpinc%g
 s%@stage1_languages@%$stage1_languages%g
-s%@DEFAULT_YACC@%$DEFAULT_YACC%g
-s%@DEFAULT_M4@%$DEFAULT_M4%g
-s%@DEFAULT_LEX@%$DEFAULT_LEX%g
+s%@CONFIGURED_BISON@%$CONFIGURED_BISON%g
+s%@CONFIGURED_YACC@%$CONFIGURED_YACC%g
+s%@CONFIGURED_M4@%$CONFIGURED_M4%g
+s%@CONFIGURED_FLEX@%$CONFIGURED_FLEX%g
+s%@CONFIGURED_LEX@%$CONFIGURED_LEX%g
+s%@CONFIGURED_MAKEINFO@%$CONFIGURED_MAKEINFO%g
 s%@default_target@%$default_target%g
 /@serialization_dependencies@/r $serialization_dependencies
 s%@serialization_dependencies@%%g
@@ -4982,6 +4973,7 @@ s%@alphaieee_frag@%%g
 s%@ospace_frag@%%g
 s%@SET_LIB_PATH@%$SET_LIB_PATH%g
 s%@RPATH_ENVVAR@%$RPATH_ENVVAR%g
+s%@BUILD_DIR_PREFIX@%$BUILD_DIR_PREFIX%g
 s%@BUILD_PREFIX@%$BUILD_PREFIX%g
 s%@BUILD_PREFIX_1@%$BUILD_PREFIX_1%g
 s%@gcc_version_trigger@%$gcc_version_trigger%g
@@ -4992,17 +4984,12 @@ s%@GDB_TK@%$GDB_TK%g
 s%@gxx_include_dir@%$gxx_include_dir%g
 s%@libstdcxx_incdir@%$libstdcxx_incdir%g
 s%@build_configargs@%$build_configargs%g
-s%@configure_build_modules@%$configure_build_modules%g
-s%@all_build_modules@%$all_build_modules%g
+s%@build_configdirs@%$build_configdirs%g
 s%@host_configargs@%$host_configargs%g
 s%@configdirs@%$configdirs%g
 s%@target_configargs@%$target_configargs%g
 s%@target_configdirs@%$target_configdirs%g
-s%@BISON@%$BISON%g
 s%@CC_FOR_BUILD@%$CC_FOR_BUILD%g
-s%@LEX@%$LEX%g
-s%@MAKEINFO@%$MAKEINFO%g
-s%@YACC@%$YACC%g
 s%@config_shell@%$config_shell%g
 s%@AR@%$AR%g
 s%@ncn_cv_AR@%$ncn_cv_AR%g
-- 
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