merge from gcc:

2004-04-27  Paolo Bonzini  <bonzini@gnu.org>

	Revert:
	2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (flags_to_pass): Remove *dir variables that
	are passed to the modules via TOPLEVEL_CONFIGURE_ARGUMENTS,
	as well as prefix and exec_prefix.
	* Makefile.in: Regenerate.

2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (host_modules): Mark with the bootstrap
	flag packages on which gcc depends.
	* Makefile.tpl (all-bootstrap): Use it.
	* Makefile.in: Regenerate.

2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (flags_to_pass): Remove *dir variables that
	are passed to the modules via TOPLEVEL_CONFIGURE_ARGUMENTS,
	as well as prefix and exec_prefix.
	* Makefile.in: Regenerate.

2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

        * configure.in: Invoke ACX_PROG_CMP_IGNORE_INITIAL.
        * configure: Regenerate.
        * config/acx.m4: Mutuate ACX_PROG_CMP_IGNORE_INITIAL from gcc.
        * gcc/Makefile.tpl (compare): Use the result of the test.
        * gcc/Makefile.in: Regenerate.

2004-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.tpl (all-stage1-gcc, all-stage2-gcc, all-stage3-gcc):
	Always relocate gcc and prev-gcc to the original names, even
	if the build fails.
	(new-cleanstrap, new-restage1, new-restage2, new-restage3):
	New targets.

7 files changed, 213 insertions, 82 deletions

diff --git a/ChangeLog b/ChangeLog
index 3812cd3..449a0f6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,43 @@
+2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
+
+	Revert:
+	2004-04-26  Paolo Bonzini  <bonzini@gnu.org>
+
+	* Makefile.def (flags_to_pass): Remove *dir variables that
+	are passed to the modules via TOPLEVEL_CONFIGURE_ARGUMENTS,
+	as well as prefix and exec_prefix.
+	* Makefile.in: Regenerate.
+
+2004-04-26  Paolo Bonzini  <bonzini@gnu.org>
+
+	* Makefile.def (host_modules): Mark with the bootstrap
+	flag packages on which gcc depends.
+	* Makefile.tpl (all-bootstrap): Use it.
+	* Makefile.in: Regenerate.
+
+2004-04-26  Paolo Bonzini  <bonzini@gnu.org>
+
+	* Makefile.def (flags_to_pass): Remove *dir variables that
+	are passed to the modules via TOPLEVEL_CONFIGURE_ARGUMENTS,
+	as well as prefix and exec_prefix.
+	* Makefile.in: Regenerate.
+
+2004-04-26  Paolo Bonzini  <bonzini@gnu.org>
+
+        * configure.in: Invoke ACX_PROG_CMP_IGNORE_INITIAL.
+        * configure: Regenerate.
+        * config/acx.m4: Mutuate ACX_PROG_CMP_IGNORE_INITIAL from gcc.
+        * gcc/Makefile.tpl (compare): Use the result of the test.
+        * gcc/Makefile.in: Regenerate.
+
+2004-04-23  Paolo Bonzini  <bonzini@gnu.org>
+
+	* Makefile.tpl (all-stage1-gcc, all-stage2-gcc, all-stage3-gcc):
+	Always relocate gcc and prev-gcc to the original names, even
+	if the build fails.
+	(new-cleanstrap, new-restage1, new-restage2, new-restage3):
+	New targets.
+
 2004-04-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* configure.in (mips*-*-irix5*): Enable ld.
diff --git a/Makefile.def b/Makefile.def
index 5a68098..e8e207a 100644
--- a/Makefile.def
+++ b/Makefile.def
@@ -32,9 +32,9 @@ host_modules= { module= automake; };
 host_modules= { module= bash; };
 host_modules= { module= bfd; };
 host_modules= { module= opcodes; };
-host_modules= { module= binutils; };
-host_modules= { module= bison; no_check_cross= true; };
-host_modules= { module= byacc; no_check_cross= true; };
+host_modules= { module= binutils; bootstrap=true; };
+host_modules= { module= bison; no_check_cross= true; bootstrap=true; };
+host_modules= { module= byacc; no_check_cross= true; bootstrap=true; };
 host_modules= { module= bzip2; };
 host_modules= { module= dejagnu; };
 host_modules= { module= diff; };
@@ -45,7 +45,7 @@ host_modules= { module= fileutils; };
 host_modules= { module= findutils; };
 host_modules= { module= find; };
 host_modules= { module= flex; no_check_cross= true; };
-host_modules= { module= gas; };
+host_modules= { module= gas; bootstrap=true; };
 host_modules= { module= gawk; };
 host_modules= { module= gettext; };
 host_modules= { module= gnuserv; };
@@ -53,13 +53,13 @@ host_modules= { module= gprof; };
 host_modules= { module= gzip; };
 host_modules= { module= hello; };
 host_modules= { module= indent; };
-host_modules= { module= intl; };
+host_modules= { module= intl; bootstrap=true; };
 host_modules= { module= tcl;
                 missing=mostlyclean; };
 host_modules= { module= itcl; };
-host_modules= { module= ld; };
+host_modules= { module= ld; bootstrap=true; };
 host_modules= { module= libgui; };
-host_modules= { module= libiberty; };
+host_modules= { module= libiberty; bootstrap=true; };
 host_modules= { module= libtool; };
 host_modules= { module= m4; };
 host_modules= { module= make; };
@@ -77,13 +77,13 @@ host_modules= { module= shellutils; };
 host_modules= { module= sid; };
 host_modules= { module= sim; };
 host_modules= { module= tar; };
-host_modules= { module= texinfo; no_install= true; };
+host_modules= { module= texinfo; no_install= true; bootstrap=true; };
 host_modules= { module= textutils; };
 host_modules= { module= time; };
 host_modules= { module= uudecode; };
 host_modules= { module= wdiff; };
 host_modules= { module= zip; no_check_cross=true; };
-host_modules= { module= zlib; no_install=true; no_check=true; };
+host_modules= { module= zlib; no_install=true; no_check=true; bootstrap=true; };
 host_modules= { module= gdb; with_x=true; };
 host_modules= { module= expect; with_x=true; };
 host_modules= { module= guile; with_x=true; };
diff --git a/Makefile.in b/Makefile.in
index 354b7d9..8f60905 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -24112,11 +24112,11 @@ all-stage1-gcc: configure-stage1-gcc prebootstrap
 	mv stage1-gcc gcc ; \
 	cd gcc && \
 	$(MAKE) $(GCC_FLAGS_TO_PASS) \
-		CFLAGS="$(STAGE1_CFLAGS)" \
-		|| exit 1 ; \
+		CFLAGS="$(STAGE1_CFLAGS)" && $(STAMP) ../all-stage1-gcc ; \
+	result=$$? ; \
 	cd .. ; \
 	mv gcc stage1-gcc ; \
-	$(STAMP) all-stage1-gcc
+	exit $$result
 
 # TODO: Deal with STAGE_PREFIX (which is only for ada, incidentally)
 # Possibly pass --enable-werror-always (depending on --enable-werror);
@@ -24188,11 +24188,12 @@ all-stage2-gcc: all-stage1-gcc configure-stage2-gcc
 		CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		STAGE_PREFIX=$$r/prev-gcc/ \
-		$(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \
+		$(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage2-gcc ; \
+	result=$$? ; \
 	cd .. ; \
 	mv prev-gcc stage1-gcc ; \
 	mv gcc stage2-gcc ; \
-	$(STAMP) all-stage2-gcc
+	exit $$result
 
 configure-stage3-gcc: all-stage2-gcc
 	echo configure-stage3-gcc > stage_last ; \
@@ -24255,11 +24256,12 @@ all-stage3-gcc: all-stage2-gcc configure-stage3-gcc
 		CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		STAGE_PREFIX=$$r/prev-gcc/ \
-		$(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \
+		$(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage3-gcc \
+	result=$$? ; \
 	cd .. ; \
 	mv prev-gcc stage2-gcc ; \
 	mv gcc stage3-gcc ; \
-	$(STAMP) all-stage3-gcc
+	exit $$result
 
 # We only want to compare .o files, so set this!
 objext = .o
@@ -24272,8 +24274,8 @@ compare: all-stage3-gcc
 	files=`find . -name "*$(objext)" -print` ; \
 	cd .. ; \
 	for file in $${files} ; do \
-	  cmp --ignore-initial=16 $$r/stage2-gcc/$$file $$r/stage3-gcc/$$file \
-	      > /dev/null 2>&1; \
+	  f1=$$r/stage2-gcc/$$file; f2=$$r/stage3-gcc/$$file; \
+	  @do_compare@ > /dev/null 2>&1; \
 	  test $$? -eq 1 && echo $$file differs >> .bad_compare || true; \
 	done ; \
 	if [ -f .bad_compare ]; then \
@@ -24294,6 +24296,30 @@ new-bootstrap: compare
 	$(MAKE) all ; \
 	mv gcc stage3-gcc
 
+new-cleanstrap:
+	rm -rf configure-stage1-gcc all-stage1-gcc stage1-gcc \
+	  configure-stage2-gcc all-stage2-gcc stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) new-bootstrap
+
+new-restage1:
+	rm -rf all-stage1-gcc \
+	  configure-stage2-gcc all-stage2-gcc stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) all-stage1-gcc
+
+new-restage2: all-stage1-gcc
+	rm -rf all-stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) all-stage2-gcc
+
+new-restage3: all-stage2-gcc
+	rm -rf all-stage3-gcc compare
+	$(MAKE) compare
+
 # --------------------------------------
 # Dependencies between different modules
 # --------------------------------------
@@ -24313,7 +24339,7 @@ all-gcc: maybe-all-libiberty maybe-all-intl maybe-all-bison maybe-all-byacc mayb
 # This is a slightly kludgy method of getting dependencies on 
 # all-build-libiberty correct; it would be better to build it every time.
 all-gcc: maybe-all-build-libiberty
-all-bootstrap: maybe-all-libiberty maybe-all-intl maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+all-bootstrap: maybe-all-binutils maybe-all-bison maybe-all-byacc maybe-all-gas maybe-all-intl maybe-all-ld maybe-all-libiberty maybe-all-texinfo maybe-all-zlib 
 
 # Host modules specific to gdb.
 # GDB needs to know that the simulator is being built.
diff --git a/Makefile.tpl b/Makefile.tpl
index 7ae10de..18d55f2 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -1377,11 +1377,11 @@ all-stage1-gcc: configure-stage1-gcc prebootstrap
 	mv stage1-gcc gcc ; \
 	cd gcc && \
 	$(MAKE) $(GCC_FLAGS_TO_PASS) \
-		CFLAGS="$(STAGE1_CFLAGS)" \
-		|| exit 1 ; \
+		CFLAGS="$(STAGE1_CFLAGS)" && $(STAMP) ../all-stage1-gcc ; \
+	result=$$? ; \
 	cd .. ; \
 	mv gcc stage1-gcc ; \
-	$(STAMP) all-stage1-gcc
+	exit $$result
 
 # TODO: Deal with STAGE_PREFIX (which is only for ada, incidentally)
 # Possibly pass --enable-werror-always (depending on --enable-werror);
@@ -1453,11 +1453,12 @@ all-stage2-gcc: all-stage1-gcc configure-stage2-gcc
 		CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		STAGE_PREFIX=$$r/prev-gcc/ \
-		$(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \
+		$(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage2-gcc ; \
+	result=$$? ; \
 	cd .. ; \
 	mv prev-gcc stage1-gcc ; \
 	mv gcc stage2-gcc ; \
-	$(STAMP) all-stage2-gcc
+	exit $$result
 
 configure-stage3-gcc: all-stage2-gcc
 	echo configure-stage3-gcc > stage_last ; \
@@ -1520,11 +1521,12 @@ all-stage3-gcc: all-stage2-gcc configure-stage3-gcc
 		CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		STAGE_PREFIX=$$r/prev-gcc/ \
-		$(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \
+		$(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage3-gcc \
+	result=$$? ; \
 	cd .. ; \
 	mv prev-gcc stage2-gcc ; \
 	mv gcc stage3-gcc ; \
-	$(STAMP) all-stage3-gcc
+	exit $$result
 
 # We only want to compare .o files, so set this!
 objext = .o
@@ -1537,8 +1539,8 @@ compare: all-stage3-gcc
 	files=`find . -name "*$(objext)" -print` ; \
 	cd .. ; \
 	for file in $${files} ; do \
-	  cmp --ignore-initial=16 $$r/stage2-gcc/$$file $$r/stage3-gcc/$$file \
-	      > /dev/null 2>&1; \
+	  f1=$$r/stage2-gcc/$$file; f2=$$r/stage3-gcc/$$file; \
+	  @do_compare@ > /dev/null 2>&1; \
 	  test $$? -eq 1 && echo $$file differs >> .bad_compare || true; \
 	done ; \
 	if [ -f .bad_compare ]; then \
@@ -1559,6 +1561,30 @@ new-bootstrap: compare
 	$(MAKE) all ; \
 	mv gcc stage3-gcc
 
+new-cleanstrap:
+	rm -rf configure-stage1-gcc all-stage1-gcc stage1-gcc \
+	  configure-stage2-gcc all-stage2-gcc stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) new-bootstrap
+
+new-restage1:
+	rm -rf all-stage1-gcc \
+	  configure-stage2-gcc all-stage2-gcc stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) all-stage1-gcc
+
+new-restage2: all-stage1-gcc
+	rm -rf all-stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) all-stage2-gcc
+
+new-restage3: all-stage2-gcc
+	rm -rf all-stage3-gcc compare
+	$(MAKE) compare
+
 # --------------------------------------
 # Dependencies between different modules
 # --------------------------------------
@@ -1578,7 +1604,7 @@ all-gcc: maybe-all-libiberty maybe-all-intl maybe-all-bison maybe-all-byacc mayb
 # This is a slightly kludgy method of getting dependencies on 
 # all-build-libiberty correct; it would be better to build it every time.
 all-gcc: maybe-all-build-libiberty
-all-bootstrap: maybe-all-libiberty maybe-all-intl maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+all-bootstrap: [+ FOR host_modules +][+ IF bootstrap +]maybe-all-[+module+] [+ ENDIF bootstrap +][+ ENDFOR host_modules +]
 
 # Host modules specific to gdb.
 # GDB needs to know that the simulator is being built.
diff --git a/config/acx.m4 b/config/acx.m4
index ab7f98a..9b40d4f 100644
--- a/config/acx.m4
+++ b/config/acx.m4
@@ -177,14 +177,17 @@ acx_cv_cc_gcc_supports_ada=no
 # has not been installed.  This is fixed in 2.95.4, 3.0.2, and 3.1.
 # Therefore we must check for the error message as well as an
 # unsuccessful exit.
+# Other compilers, like HP Tru64 UNIX cc, exit successfully when
+# given a .adb file, but produce no object file.  So we must check
+# if an object file was really produced to guard against this.
 errors=`(${CC} -c conftest.adb) 2>&1 || echo failure`
-if test x"$errors" = x; then
+if test x"$errors" = x && test -f conftest.$ac_objext; then
   acx_cv_cc_gcc_supports_ada=yes
   break
 fi
 rm -f conftest.*])
 
-if test x$GNATBIND != xno && test x$acx_cv_gcc_supports_ada != xno; then
+if test x$GNATBIND != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
   have_gnat=yes
 else
   have_gnat=no
diff --git a/configure b/configure
index bbac69a..cda8359 100755
--- a/configure
+++ b/configure
@@ -780,6 +780,8 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 
+
+
 ### we might need to use some other shell than /bin/sh for running subshells
 ### If we are on Windows, search for the shell.  This will permit people
 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
@@ -1853,7 +1855,7 @@ fi
 # 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:1857: checking for $ac_word" >&5
+echo "configure:1860: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1883,7 +1885,7 @@ if test -z "$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:1887: checking for $ac_word" >&5
+echo "configure:1890: 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
@@ -1934,7 +1936,7 @@ 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:1938: checking for $ac_word" >&5
+echo "configure:1941: 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
@@ -1966,7 +1968,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1970: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1973: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1977,12 +1979,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1981 "configure"
+#line 1984 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1986: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1989: \"$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
@@ -2008,12 +2010,12 @@ 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""... $ac_c" 1>&6
-echo "configure:2012: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2015: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:2017: checking whether we are using GNU C" >&5
+echo "configure:2020: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2022,7 +2024,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2026: \"$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:2029: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -2041,7 +2043,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2045: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2048: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2077,7 +2079,7 @@ fi
 # Extract the first word of "${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:2081: checking for $ac_word" >&5
+echo "configure:2084: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2109,7 +2111,7 @@ if test -n "$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:2113: checking for $ac_word" >&5
+echo "configure:2116: 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
@@ -2142,7 +2144,7 @@ fi
 fi
 
 echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
-echo "configure:2146: checking whether compiler driver understands Ada" >&5
+echo "configure:2149: checking whether compiler driver understands Ada" >&5
 if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2155,8 +2157,11 @@ acx_cv_cc_gcc_supports_ada=no
 # has not been installed.  This is fixed in 2.95.4, 3.0.2, and 3.1.
 # Therefore we must check for the error message as well as an
 # unsuccessful exit.
+# Other compilers, like HP Tru64 UNIX cc, exit successfully when
+# given a .adb file, but produce no object file.  So we must check
+# if an object file was really produced to guard against this.
 errors=`(${CC} -c conftest.adb) 2>&1 || echo failure`
-if test x"$errors" = x; then
+if test x"$errors" = x && test -f conftest.$ac_objext; then
   acx_cv_cc_gcc_supports_ada=yes
   break
 fi
@@ -2165,12 +2170,41 @@ fi
 
 echo "$ac_t""$acx_cv_cc_gcc_supports_ada" 1>&6
 
-if test x$GNATBIND != xno && test x$acx_cv_gcc_supports_ada != xno; then
+if test x$GNATBIND != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
   have_gnat=yes
 else
   have_gnat=no
 fi
 
+echo $ac_n "checking how to compare bootstrapped objects""... $ac_c" 1>&6
+echo "configure:2182: checking how to compare bootstrapped objects" >&5
+if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+   echo abfoo >t1
+  echo cdfoo >t2
+  gcc_cv_prog_cmp_skip='tail +16c $$f1 > tmp-foo1; tail +16c $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
+  if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
+    if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
+      if cmp t1 t2 2 2 > /dev/null 2>&1; then
+        if cmp t1 t2 1 1 > /dev/null 2>&1; then
+          :
+        else
+          gcc_cv_prog_cmp_skip='cmp $$f1 $$f2 16 16'
+        fi
+      fi
+    else
+      gcc_cv_prog_cmp_skip='cmp --ignore-initial=16 $$f1 $$f2'
+    fi
+  fi
+  rm t1 t2
+
+fi
+
+echo "$ac_t""$gcc_cv_prog_cmp_skip" 1>&6
+do_compare="$gcc_cv_prog_cmp_skip"
+
+
 
 # By default, C is the only stage 1 language.
 stage1_languages=c
@@ -2607,7 +2641,7 @@ 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:2611: checking for $ac_word" >&5
+echo "configure:2646: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2642,7 +2676,7 @@ do
 # Extract the first word of "$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:2646: checking for $ac_word" >&5
+echo "configure:2681: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_M4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2677,7 +2711,7 @@ do
 # Extract the first word of "$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:2681: checking for $ac_word" >&5
+echo "configure:2716: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3240,7 +3274,7 @@ test -n "$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:3244: checking for $ac_word" >&5
+echo "configure:3279: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3273,7 +3307,7 @@ if test -z "$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:3277: checking for $ac_word" >&5
+echo "configure:3312: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3312,7 +3346,7 @@ fi
   # Extract the first word of "${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:3316: checking for $ac_word" >&5
+echo "configure:3351: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3345,7 +3379,7 @@ if test -z "$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:3349: checking for $ac_word" >&5
+echo "configure:3384: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3384,7 +3418,7 @@ fi
   # Extract the first word of "${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:3388: checking for $ac_word" >&5
+echo "configure:3423: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3417,7 +3451,7 @@ if test -z "$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:3421: checking for $ac_word" >&5
+echo "configure:3456: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3456,7 +3490,7 @@ fi
   # Extract the first word of "${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:3460: checking for $ac_word" >&5
+echo "configure:3495: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3489,7 +3523,7 @@ if test -z "$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:3493: checking for $ac_word" >&5
+echo "configure:3528: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3528,7 +3562,7 @@ fi
   # Extract the first word of "${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:3532: checking for $ac_word" >&5
+echo "configure:3567: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3561,7 +3595,7 @@ if test -z "$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:3565: checking for $ac_word" >&5
+echo "configure:3600: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3600,7 +3634,7 @@ fi
   # Extract the first word of "${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:3604: checking for $ac_word" >&5
+echo "configure:3639: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3633,7 +3667,7 @@ if test -z "$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:3637: checking for $ac_word" >&5
+echo "configure:3672: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3672,7 +3706,7 @@ fi
   # Extract the first word of "${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:3676: checking for $ac_word" >&5
+echo "configure:3711: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3705,7 +3739,7 @@ if test -z "$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:3709: checking for $ac_word" >&5
+echo "configure:3744: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3744,7 +3778,7 @@ fi
   # Extract the first word of "${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:3748: checking for $ac_word" >&5
+echo "configure:3783: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3777,7 +3811,7 @@ if test -z "$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:3781: checking for $ac_word" >&5
+echo "configure:3816: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3816,7 +3850,7 @@ fi
   # Extract the first word of "${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:3820: checking for $ac_word" >&5
+echo "configure:3855: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3849,7 +3883,7 @@ if test -z "$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:3853: checking for $ac_word" >&5
+echo "configure:3888: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3898,7 +3932,7 @@ fi
   # Extract the first word of "${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:3902: checking for $ac_word" >&5
+echo "configure:3937: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3931,7 +3965,7 @@ if test -z "$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:3935: checking for $ac_word" >&5
+echo "configure:3970: 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) $ac_c" 1>&6
 else
@@ -3970,7 +4004,7 @@ fi
   # Extract the first word of "${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:3974: checking for $ac_word" >&5
+echo "configure:4009: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4003,7 +4037,7 @@ if test -z "$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:4007: checking for $ac_word" >&5
+echo "configure:4042: 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) $ac_c" 1>&6
 else
@@ -4042,7 +4076,7 @@ fi
   # Extract the first word of "${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:4046: checking for $ac_word" >&5
+echo "configure:4081: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4075,7 +4109,7 @@ if test -z "$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:4079: checking for $ac_word" >&5
+echo "configure:4114: 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) $ac_c" 1>&6
 else
@@ -4114,7 +4148,7 @@ fi
   # Extract the first word of "${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:4118: checking for $ac_word" >&5
+echo "configure:4153: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4147,7 +4181,7 @@ if test -z "$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:4151: checking for $ac_word" >&5
+echo "configure:4186: 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) $ac_c" 1>&6
 else
@@ -4186,7 +4220,7 @@ fi
   # Extract the first word of "${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:4190: checking for $ac_word" >&5
+echo "configure:4225: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4219,7 +4253,7 @@ if test -z "$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:4223: checking for $ac_word" >&5
+echo "configure:4258: 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) $ac_c" 1>&6
 else
@@ -4258,7 +4292,7 @@ fi
   # Extract the first word of "${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:4262: checking for $ac_word" >&5
+echo "configure:4297: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4291,7 +4325,7 @@ if test -z "$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:4295: checking for $ac_word" >&5
+echo "configure:4330: 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) $ac_c" 1>&6
 else
@@ -4330,7 +4364,7 @@ fi
   # Extract the first word of "${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:4334: checking for $ac_word" >&5
+echo "configure:4369: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4363,7 +4397,7 @@ if test -z "$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:4367: checking for $ac_word" >&5
+echo "configure:4402: 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) $ac_c" 1>&6
 else
@@ -4447,7 +4481,7 @@ RANLIB_FOR_TARGET=${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""... $ac_c" 1>&6
-echo "configure:4451: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:4486: checking whether to enable maintainer-specific portions of Makefiles" >&5
 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -4675,6 +4709,7 @@ s%@host_subdir@%$host_subdir%g
 s%@target_subdir@%$target_subdir%g
 s%@CC@%$CC%g
 s%@GNATBIND@%$GNATBIND%g
+s%@do_compare@%$do_compare%g
 s%@stage1_languages@%$stage1_languages%g
 s%@DEFAULT_YACC@%$DEFAULT_YACC%g
 s%@DEFAULT_M4@%$DEFAULT_M4%g
diff --git a/configure.in b/configure.in
index ad45cda..86bc127 100644
--- a/configure.in
+++ b/configure.in
@@ -1068,6 +1068,7 @@ EOF
 fi
 
 ACX_PROG_GNAT
+ACX_PROG_CMP_IGNORE_INITIAL
 
 # By default, C is the only stage 1 language.
 stage1_languages=c