* Makefile.tpl: Move .NOEXPORT, MAKEOVERRIDES up. Delete unused

	Make macro.
	* Makefile.in: Regenerate.
	* configure.in: Clean up gxx_include_dir logic.
	* configure: Regenerate.

5 files changed, 85 insertions, 203 deletions

diff --git a/ChangeLog b/ChangeLog
index 38332de3a8d..6755512749f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	* Makefile.tpl: Move .NOEXPORT, MAKEOVERRIDES up.  Delete unused
+	Make macro.
+	* Makefile.in: Regenerate.
+	* configure.in: Clean up gxx_include_dir logic.
+	* configure: Regenerate.
+
 2003-03-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 
 	* configure.in (gxx_include_dir): Fix typo.
diff --git a/Makefile.in b/Makefile.in
index 41b1b641bd0..c9bc160df98 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -20,6 +20,10 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 
+# Don't pass command-line variables to submakes.
+.NOEXPORT:
+MAKEOVERRIDES=
+
 # -------------------------------
 # Standard Autoconf-set variables
 # -------------------------------
@@ -84,7 +88,6 @@ INSTALL_DATA = $(INSTALL) -m 644
 # -------------------------------------------------
 
 links=@configlinks@
-enable_version_specific_runtime_libs = @enable_version_specific_runtime_libs@
 # The file containing GCC's version number.
 gcc_version_trigger = @gcc_version_trigger@
 gcc_version = @gcc_version@
@@ -638,8 +641,7 @@ CLEAN_X11_MODULES = \
 	clean-gdb \
 	clean-expect \
 	clean-guile \
-	clean-tk \
-	clean-tix 
+	clean-tk 
 
 # The target built for a native build.
 # This list only includes modules actually being configured and built.
@@ -5402,73 +5404,6 @@ install-tk: installdirs
 	(cd tk && $(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) install)
 
 
-.PHONY: configure-tix maybe-configure-tix
-maybe-configure-tix:
-configure-tix:
-	@test ! -f tix/Makefile || exit 0; \
-	[ -d tix ] || mkdir tix; \
-	r=`${PWD}`; export r; \
-	s=`cd $(srcdir); ${PWD}`; export s; \
-	CC="$(CC)"; export CC; \
-	CFLAGS="$(CFLAGS)"; export CFLAGS; \
-	CXX="$(CXX)"; export CXX; \
-	CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
-	if [ z$(build_canonical) !=  z$(host_canoncial) ] ; then \
-	  AR="$(AR)"; export AR; \
-	  AS="$(AS)"; export AS; \
-	  CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
-	  DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
-	  LD="$(LD)"; export LD; \
-	  NM="$(NM)"; export NM; \
-	  RANLIB="$(RANLIB)"; export RANLIB; \
-	  WINDRES="$(WINDRES)"; export WINDRES; \
-	  OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
-	  OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
-	fi; \
-	echo Configuring in tix; \
-	cd tix || exit 1; \
-	case $(srcdir) in \
-	  \.) \
-	    srcdiroption="--srcdir=."; \
-	    libsrcdir=".";; \
-	  /* | [A-Za-z]:[\\/]*) \
-	    srcdiroption="--srcdir=$(srcdir)/tix"; \
-	    libsrcdir="$$s/tix";; \
-	  *) \
-	    srcdiroption="--srcdir=../$(srcdir)/tix"; \
-	    libsrcdir="$$s/tix";; \
-	esac; \
-	$(SHELL) $${libsrcdir}/configure \
-	  $(HOST_CONFIGARGS) $${srcdiroption} \
-	  || exit 1
-
-.PHONY: all-tix maybe-all-tix
-maybe-all-tix:
-all-tix: configure-tix
-	@r=`${PWD}`; export r; \
-	s=`cd $(srcdir); ${PWD}`; export s; \
-	$(SET_LIB_PATH) \
-	(cd tix && $(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) all)
-
-
-.PHONY: check-tix
-check-tix:
-	@r=`${PWD}`; export r; \
-	s=`cd $(srcdir); ${PWD}`; export s; \
-	$(SET_LIB_PATH) \
-	(cd tix && $(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) check)
-
-
-
-.PHONY: install-tix maybe-install-tix
-maybe-install-tix:
-install-tix: installdirs
-	@r=`${PWD}`; export r; \
-	s=`cd $(srcdir); ${PWD}`; export s; \
-	$(SET_LIB_PATH) \
-	(cd tix && $(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) install)
-
-
 .PHONY: configure-libtermcap maybe-configure-libtermcap
 maybe-configure-libtermcap:
 configure-libtermcap:
@@ -7525,10 +7460,6 @@ config.status: configure $(gcc_version_trigger)
 AUTOCONF = autoconf
 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.in $(srcdir)/config/acx.m4
 	cd $(srcdir) && $(AUTOCONF)
-#
-
-.NOEXPORT:
-MAKEOVERRIDES=
 
 # Tell GNU make 3.79 not to run the top level in parallel.  This 
 # prevents contention for $builddir/$target/config.cache, as well
diff --git a/Makefile.tpl b/Makefile.tpl
index 0b24dd083e2..ab37bdf2beb 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -23,6 +23,10 @@ in
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 
+# Don't pass command-line variables to submakes.
+.NOEXPORT:
+MAKEOVERRIDES=
+
 # -------------------------------
 # Standard Autoconf-set variables
 # -------------------------------
@@ -87,7 +91,6 @@ INSTALL_DATA = $(INSTALL) -m 644
 # -------------------------------------------------
 
 links=@configlinks@
-enable_version_specific_runtime_libs = @enable_version_specific_runtime_libs@
 # The file containing GCC's version number.
 gcc_version_trigger = @gcc_version_trigger@
 gcc_version = @gcc_version@
@@ -1450,10 +1453,6 @@ config.status: configure $(gcc_version_trigger)
 AUTOCONF = autoconf
 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.in $(srcdir)/config/acx.m4
 	cd $(srcdir) && $(AUTOCONF)
-#
-
-.NOEXPORT:
-MAKEOVERRIDES=
 
 # Tell GNU make 3.79 not to run the top level in parallel.  This 
 # prevents contention for $builddir/$target/config.cache, as well
diff --git a/configure b/configure
index 2e14fb6df05..3fc3a727846 100755
--- a/configure
+++ b/configure
@@ -2201,12 +2201,6 @@ EOF
   esac
 fi
 
-# record if we want runtime library stuff installed in libsubdir.
-# Blank means no.
-if test -z "${enable_version_specific_runtime_libs}"; then
-  enable_version_specific_runtime_libs=no
-fi
-
 # Make sure that the compiler is able to generate an executable.  If it
 # can't, we are probably in trouble.  We don't care whether we can run the
 # executable--we might be using a cross compiler--we only care whether it
@@ -2477,30 +2471,19 @@ target_configargs="--cache-file=../config.cache --host=${target_alias} --build=$
 # Note, if you change the default, make sure to fix both here and in
 # the gcc and libstdc++-v3 subdirectories.
 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
-gxx_include_dir=
-if test -n "${with_gxx_include_dir}"; then
-  case "${with_gxx_include_dir}" in
-    yes )
-      echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
-      exit 1
-      ;;
-    no )
-      ;;
-    * )
-      gxx_include_dir=${with_gxx_include_dir}
-      ;;
-  esac
-fi
-if test x${gxx_include_dir} = x; then
-  if test x${enable_version_specific_runtime_libs} = xyes; then
-    gxx_include_dir='${libsubdir}/include/c++'
-  else
-    . ${srcdir}/config.if
-    gxx_include_dir='${prefix}/include/'${libstdcxx_incdir}
-  fi
-else
-  gxx_include_dir=${gxx_include_dir}
-fi
+case "${with_gxx_include_dir}" in
+  yes)
+    { echo "configure: error: --with-gxx-include-dir=[dir] requires a directory" 1>&2; exit 1; }
+    ;;
+  no | "")
+    case "${enable_version_specific_runtime_libs}" in
+      yes) gxx_include_dir='${libsubdir}/include/c++' ;;
+      *)
+        . ${srcdir}/config.if
+        gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
+    esac ;;
+  *) gxx_include_dir=${with_gxx_include_dir} ;;
+esac
 
 FLAGS_FOR_TARGET=
 case " $target_configdirs " in
@@ -2658,7 +2641,6 @@ ospace_frag=${srcdir}/${ospace_frag}
 
 
 
-
 # Build module lists & subconfigure args.
 
 
@@ -2701,7 +2683,7 @@ 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:2705: checking for $ac_word" >&5
+echo "configure:2687: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2734,7 +2716,7 @@ if test -z "$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:2738: checking for $ac_word" >&5
+echo "configure:2720: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2773,7 +2755,7 @@ fi
   # Extract the first word of "${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:2777: checking for $ac_word" >&5
+echo "configure:2759: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2806,7 +2788,7 @@ if test -z "$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:2810: checking for $ac_word" >&5
+echo "configure:2792: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2845,7 +2827,7 @@ fi
   # Extract the first word of "${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:2849: checking for $ac_word" >&5
+echo "configure:2831: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2878,7 +2860,7 @@ if test -z "$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:2882: checking for $ac_word" >&5
+echo "configure:2864: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2917,7 +2899,7 @@ fi
   # Extract the first word of "${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:2921: checking for $ac_word" >&5
+echo "configure:2903: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2950,7 +2932,7 @@ if test -z "$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:2954: checking for $ac_word" >&5
+echo "configure:2936: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2989,7 +2971,7 @@ fi
   # Extract the first word of "${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:2993: checking for $ac_word" >&5
+echo "configure:2975: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3022,7 +3004,7 @@ if test -z "$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:3026: checking for $ac_word" >&5
+echo "configure:3008: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3061,7 +3043,7 @@ fi
   # Extract the first word of "${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:3065: checking for $ac_word" >&5
+echo "configure:3047: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3094,7 +3076,7 @@ if test -z "$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:3098: checking for $ac_word" >&5
+echo "configure:3080: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3133,7 +3115,7 @@ fi
   # Extract the first word of "${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:3137: checking for $ac_word" >&5
+echo "configure:3119: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3166,7 +3148,7 @@ if test -z "$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:3170: checking for $ac_word" >&5
+echo "configure:3152: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3205,7 +3187,7 @@ fi
   # Extract the first word of "${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:3209: checking for $ac_word" >&5
+echo "configure:3191: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3238,7 +3220,7 @@ if test -z "$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:3242: checking for $ac_word" >&5
+echo "configure:3224: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3277,7 +3259,7 @@ fi
   # Extract the first word of "${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:3281: checking for $ac_word" >&5
+echo "configure:3263: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3310,7 +3292,7 @@ if test -z "$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:3314: checking for $ac_word" >&5
+echo "configure:3296: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3358,7 +3340,7 @@ fi
   # Extract the first word of "${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:3362: checking for $ac_word" >&5
+echo "configure:3344: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3391,7 +3373,7 @@ if test -z "$ac_cv_prog_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:3395: checking for $ac_word" >&5
+echo "configure:3377: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3430,7 +3412,7 @@ fi
   # Extract the first word of "${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:3434: checking for $ac_word" >&5
+echo "configure:3416: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3463,7 +3445,7 @@ if test -z "$ac_cv_prog_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:3467: checking for $ac_word" >&5
+echo "configure:3449: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3502,7 +3484,7 @@ fi
   # Extract the first word of "${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:3506: checking for $ac_word" >&5
+echo "configure:3488: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3535,7 +3517,7 @@ if test -z "$ac_cv_prog_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:3539: checking for $ac_word" >&5
+echo "configure:3521: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3574,7 +3556,7 @@ fi
   # Extract the first word of "${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:3578: checking for $ac_word" >&5
+echo "configure:3560: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3607,7 +3589,7 @@ if test -z "$ac_cv_prog_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:3611: checking for $ac_word" >&5
+echo "configure:3593: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3646,7 +3628,7 @@ fi
   # Extract the first word of "${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:3650: checking for $ac_word" >&5
+echo "configure:3632: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3679,7 +3661,7 @@ if test -z "$ac_cv_prog_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:3683: checking for $ac_word" >&5
+echo "configure:3665: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3718,7 +3700,7 @@ fi
   # Extract the first word of "${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:3722: checking for $ac_word" >&5
+echo "configure:3704: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3751,7 +3733,7 @@ if test -z "$ac_cv_prog_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:3755: checking for $ac_word" >&5
+echo "configure:3737: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3790,7 +3772,7 @@ fi
   # Extract the first word of "${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:3794: checking for $ac_word" >&5
+echo "configure:3776: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3823,7 +3805,7 @@ if test -z "$ac_cv_prog_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:3827: checking for $ac_word" >&5
+echo "configure:3809: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3890,7 +3872,7 @@ RANLIB_FOR_TARGET=${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""... $ac_c" 1>&6
-echo "configure:3894: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:3876: checking whether to enable maintainer-specific portions of Makefiles" >&5
 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -3977,34 +3959,15 @@ 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.
@@ -4107,7 +4070,6 @@ s%@RPATH_ENVVAR@%$RPATH_ENVVAR%g
 s%@BUILD_PREFIX@%$BUILD_PREFIX%g
 s%@BUILD_PREFIX_1@%$BUILD_PREFIX_1%g
 s%@configlinks@%$configlinks%g
-s%@enable_version_specific_runtime_libs@%$enable_version_specific_runtime_libs%g
 s%@gcc_version_trigger@%$gcc_version_trigger%g
 s%@gcc_version@%$gcc_version%g
 s%@tooldir@%$tooldir%g
diff --git a/configure.in b/configure.in
index 9229c15fc41..45239e2fa8f 100644
--- a/configure.in
+++ b/configure.in
@@ -1541,12 +1541,6 @@ EOF
   esac
 fi
 
-# record if we want runtime library stuff installed in libsubdir.
-# Blank means no.
-if test -z "${enable_version_specific_runtime_libs}"; then
-  enable_version_specific_runtime_libs=no
-fi
-
 # Make sure that the compiler is able to generate an executable.  If it
 # can't, we are probably in trouble.  We don't care whether we can run the
 # executable--we might be using a cross compiler--we only care whether it
@@ -1816,30 +1810,19 @@ target_configargs="--cache-file=../config.cache --host=${target_alias} --build=$
 # Note, if you change the default, make sure to fix both here and in
 # the gcc and libstdc++-v3 subdirectories.
 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
-gxx_include_dir=
-if test -n "${with_gxx_include_dir}"; then
-  case "${with_gxx_include_dir}" in
-    yes )
-      echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
-      exit 1
-      ;;
-    no )
-      ;;
-    * )
-      gxx_include_dir=${with_gxx_include_dir}
-      ;;
-  esac
-fi
-if test x${gxx_include_dir} = x; then
-  if test x${enable_version_specific_runtime_libs} = xyes; then
-    gxx_include_dir='${libsubdir}/include/c++'
-  else
-    . ${srcdir}/config.if
-    gxx_include_dir='${prefix}/include/'${libstdcxx_incdir}
-  fi
-else
-  gxx_include_dir=${gxx_include_dir}
-fi
+case "${with_gxx_include_dir}" in
+  yes)
+    AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
+    ;;
+  no | "")
+    case "${enable_version_specific_runtime_libs}" in
+      yes) gxx_include_dir='${libsubdir}/include/c++' ;;
+      *)
+        . ${srcdir}/config.if
+        gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
+    esac ;;
+  *) gxx_include_dir=${with_gxx_include_dir} ;;
+esac
 
 FLAGS_FOR_TARGET=
 case " $target_configdirs " in
@@ -1989,7 +1972,6 @@ AC_SUBST(RPATH_ENVVAR)
 AC_SUBST(BUILD_PREFIX)
 AC_SUBST(BUILD_PREFIX_1)
 AC_SUBST(configlinks)
-AC_SUBST(enable_version_specific_runtime_libs)
 AC_SUBST(gcc_version_trigger)
 AC_SUBST(gcc_version)
 AC_SUBST(tooldir)