re PR other/35457 (Error building GCC trunk on CELL SPU)

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* configure.ac: Include override.m4.
	* configure: Regenerate.

libgomp:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libdecnumber:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

gcc:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libstdc++-v3:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libobjc:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

intl:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libgfortran:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libmudflap:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

boehm-gc:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libiberty:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Add override.m4.
	* configure: Regenerate.

libffi:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libssp:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

config:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457

	* confsubdir.m4: Rename to...
	* override.m4: ... this.  Make sure aclocal always picks it.
	Add more lenient precious variable check, backported from
	autoconf trunk.

libjava/libltdl:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libjava/classpath:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libjava:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libcpp:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

fixincludes:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* Makefile.in: Rewrite aclocal.m4 rule.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

From-SVN: r134434

2 files changed, 30 insertions, 20 deletions

diff --git a/zlib/aclocal.m4 b/zlib/aclocal.m4
index 4ea2590..a3ce1ab 100644
--- a/zlib/aclocal.m4
+++ b/zlib/aclocal.m4
@@ -859,6 +859,7 @@ AC_SUBST([am__untar])
 m4_include([../config/depstand.m4])
 m4_include([../config/lead-dot.m4])
 m4_include([../config/multi.m4])
+m4_include([../config/override.m4])
 m4_include([../config/proginstall.m4])
 m4_include([../ltoptions.m4])
 m4_include([../ltsugar.m4])
diff --git a/zlib/configure b/zlib/configure
index 127b0e1..9e0c734 100755
--- a/zlib/configure
+++ b/zlib/configure
@@ -1404,13 +1404,22 @@ echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-	{ echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+        # differences in whitespace do not lead to failure.
+        ac_old_val_w=`echo x $ac_old_val`
+        ac_new_val_w=`echo x $ac_new_val`
+        if test "$ac_old_val_w" != "$ac_new_val_w"; then
+          { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-	{ echo "$as_me:$LINENO:   former value:  $ac_old_val" >&5
-echo "$as_me:   former value:  $ac_old_val" >&2;}
-	{ echo "$as_me:$LINENO:   current value: $ac_new_val" >&5
-echo "$as_me:   current value: $ac_new_val" >&2;}
-	ac_cache_corrupted=:
+          ac_cache_corrupted=:
+        else
+          { echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+          eval $ac_var=\$ac_old_val
+        fi
+        { echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+        { echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -3788,13 +3797,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:3791: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:3800: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:3794: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:3803: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:3797: output\"" >&5)
+  (eval echo "\"\$as_me:3806: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -4850,7 +4859,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 4853 "configure"' > conftest.$ac_ext
+  echo '#line 4862 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -5955,11 +5964,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:5958: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:5967: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:5962: \$? = $ac_status" >&5
+   echo "$as_me:5971: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -6277,11 +6286,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6280: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6289: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:6284: \$? = $ac_status" >&5
+   echo "$as_me:6293: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -6382,11 +6391,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6385: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6394: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:6389: \$? = $ac_status" >&5
+   echo "$as_me:6398: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -6437,11 +6446,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6440: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6449: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:6444: \$? = $ac_status" >&5
+   echo "$as_me:6453: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9289,7 +9298,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 9292 "configure"
+#line 9301 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -9389,7 +9398,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 9392 "configure"
+#line 9401 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H