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authorNathanael Nerode <neroden@gcc.gnu.org>2004-01-05 03:21:24 +0000
committerNathanael Nerode <neroden@gcc.gnu.org>2004-01-05 03:21:24 +0000
commitca9bc441e4c9480b10883e7811312b6b4deb4b89 (patch)
tree7e0f7d9aa0d6a688d88fc7beaf7a48024ec09c46 /gcc
parent955d023464779c437ce4e573682ace01d6d6c9fb (diff)
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configure.ac: Use AC_PROG_CPP_WERROR.
* configure.ac: Use AC_PROG_CPP_WERROR. * configure: Regenerate. From-SVN: r75411
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rwxr-xr-xgcc/configure485
-rw-r--r--gcc/configure.ac8
3 files changed, 36 insertions, 462 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3f0ddc6..7d15a24 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-01-04 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * configure.ac: Use AC_PROG_CPP_WERROR.
+ * configure: Regenerate.
+
2004-01-04 Zack Weinberg <zack@codesourcery.com>
* .cvsignore: Add autom4te.cache.
diff --git a/gcc/configure b/gcc/configure
index e0825ea..f59b6fb 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -5171,6 +5171,11 @@ _ACEOF
fi
+# Need to reject headers which give warnings, so that the -Werror bootstrap
+# works later. *sigh* This needs to come before all header checks.
+
+ac_c_preproc_warn_flag=yes
+
echo "$as_me:$LINENO: checking for ANSI C header files" >&5
echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
if test "${ac_cv_header_stdc+set}" = set; then
@@ -5581,55 +5586,12 @@ for ac_header in limits.h stddef.h string.h strings.h stdlib.h time.h \
direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo "$as_me:$LINENO: checking for $ac_header" >&5
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
if eval "test \"\${$as_ac_Header+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_header_compiler=yes
else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
+ cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
@@ -5655,121 +5617,33 @@ else
ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
+ eval "$as_ac_Header=yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
- ac_header_preproc=no
+ eval "$as_ac_Header=no"
fi
rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc in
- yes:no )
- { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
- no:yes )
- { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- eval "$as_ac_Header=$ac_header_preproc"
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
if test `eval echo '${'$as_ac_Header'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
-
done
# Check for thread headers.
-if test "${ac_cv_header_thread_h+set}" = set; then
- echo "$as_me:$LINENO: checking for thread.h" >&5
+echo "$as_me:$LINENO: checking for thread.h" >&5
echo $ECHO_N "checking for thread.h... $ECHO_C" >&6
if test "${ac_cv_header_thread_h+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_thread_h" >&5
-echo "${ECHO_T}$ac_cv_header_thread_h" >&6
-else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking thread.h usability" >&5
-echo $ECHO_N "checking thread.h usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-$ac_includes_default
-#include <thread.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_header_compiler=yes
else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking thread.h presence" >&5
-echo $ECHO_N "checking thread.h presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
+ cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
@@ -5795,117 +5669,29 @@ else
ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
+ ac_cv_header_thread_h=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
- ac_header_preproc=no
+ ac_cv_header_thread_h=no
fi
rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc in
- yes:no )
- { echo "$as_me:$LINENO: WARNING: thread.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: thread.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: thread.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: thread.h: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
- no:yes )
- { echo "$as_me:$LINENO: WARNING: thread.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: thread.h: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: thread.h: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: thread.h: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: thread.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: thread.h: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for thread.h" >&5
-echo $ECHO_N "checking for thread.h... $ECHO_C" >&6
-if test "${ac_cv_header_thread_h+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_cv_header_thread_h=$ac_header_preproc
fi
echo "$as_me:$LINENO: result: $ac_cv_header_thread_h" >&5
echo "${ECHO_T}$ac_cv_header_thread_h" >&6
-
-fi
if test $ac_cv_header_thread_h = yes; then
have_thread_h=yes
else
have_thread_h=
fi
-
-if test "${ac_cv_header_pthread_h+set}" = set; then
- echo "$as_me:$LINENO: checking for pthread.h" >&5
+echo "$as_me:$LINENO: checking for pthread.h" >&5
echo $ECHO_N "checking for pthread.h... $ECHO_C" >&6
if test "${ac_cv_header_pthread_h+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_pthread_h" >&5
-echo "${ECHO_T}$ac_cv_header_pthread_h" >&6
else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking pthread.h usability" >&5
-echo $ECHO_N "checking pthread.h usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-$ac_includes_default
-#include <pthread.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_header_compiler=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking pthread.h presence" >&5
-echo $ECHO_N "checking pthread.h presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
+ cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
@@ -5931,61 +5717,17 @@ else
ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
+ ac_cv_header_pthread_h=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
- ac_header_preproc=no
+ ac_cv_header_pthread_h=no
fi
rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc in
- yes:no )
- { echo "$as_me:$LINENO: WARNING: pthread.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: pthread.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: pthread.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: pthread.h: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
- no:yes )
- { echo "$as_me:$LINENO: WARNING: pthread.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: pthread.h: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: pthread.h: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: pthread.h: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: pthread.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: pthread.h: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for pthread.h" >&5
-echo $ECHO_N "checking for pthread.h... $ECHO_C" >&6
-if test "${ac_cv_header_pthread_h+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_cv_header_pthread_h=$ac_header_preproc
fi
echo "$as_me:$LINENO: result: $ac_cv_header_pthread_h" >&5
echo "${ECHO_T}$ac_cv_header_pthread_h" >&6
-
-fi
if test $ac_cv_header_pthread_h = yes; then
have_pthread_h=yes
else
@@ -5993,7 +5735,6 @@ else
fi
-
# These tests can't be done till we know if we have limits.h.
echo "$as_me:$LINENO: checking for CHAR_BIT" >&5
echo $ECHO_N "checking for CHAR_BIT... $ECHO_C" >&6
@@ -7319,55 +7060,12 @@ fi
for ac_header in unistd.h vfork.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo "$as_me:$LINENO: checking for $ac_header" >&5
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
if eval "test \"\${$as_ac_Header+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_header_compiler=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
+ cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
@@ -7393,68 +7091,23 @@ else
ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
+ eval "$as_ac_Header=yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
- ac_header_preproc=no
+ eval "$as_ac_Header=no"
fi
rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc in
- yes:no )
- { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
- no:yes )
- { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- eval "$as_ac_Header=$ac_header_preproc"
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
if test `eval echo '${'$as_ac_Header'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
-
done
@@ -7794,55 +7447,12 @@ fi;
for ac_header in iconv.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo "$as_me:$LINENO: checking for $ac_header" >&5
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
if eval "test \"\${$as_ac_Header+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_header_compiler=yes
else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
+ cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
@@ -7868,68 +7478,23 @@ else
ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
+ eval "$as_ac_Header=yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
- ac_header_preproc=no
+ eval "$as_ac_Header=no"
fi
rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc in
- yes:no )
- { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
- no:yes )
- { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- eval "$as_ac_Header=$ac_header_preproc"
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
if test `eval echo '${'$as_ac_Header'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
-
done
diff --git a/gcc/configure.ac b/gcc/configure.ac
index e8800a6..a04a59d 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1,7 +1,7 @@
-# configure.in for GCC
+# configure.ac for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
# Free Software Foundation, Inc.
#This file is part of GCC.
@@ -685,6 +685,10 @@ if test $gcc_cv_glibc = yes; then
AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
fi
+# Need to reject headers which give warnings, so that the -Werror bootstrap
+# works later. *sigh* This needs to come before all header checks.
+AC_PROG_CPP_WERROR
+
AC_HEADER_STDC
AC_HEADER_TIME
gcc_AC_HEADER_STDBOOL