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-rw-r--r--ChangeLog8
-rwxr-xr-xconfigure20
-rw-r--r--configure.in12
3 files changed, 26 insertions, 14 deletions
diff --git a/ChangeLog b/ChangeLog
index 74eaa2040c..94272580af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2006-01-30 Alexandre Oliva <aoliva@redhat.com>
+ Roland McGrath <roland@redhat.com>
+
+ * configure.in (fno_unit_at_a_time): Set to
+ -fno-toplevel-reorder if the compiler supports it.
+ Otherwise use -fno-unit-at-a-time unconditionally.
+ * configure: Regenerated.
+
2006-01-30 Jakub Jelinek <jakub@redhat.com>
* sysdeps/powerpc/fpu/libm-test-ulps: Merge ulps with older
diff --git a/configure b/configure
index 448ef5b4f0..b1724255c9 100755
--- a/configure
+++ b/configure
@@ -5800,15 +5800,15 @@ echo "${ECHO_T}$libc_cv_fpie" >&6
fi
-echo "$as_me:$LINENO: checking for -fno-unit-at-a-time" >&5
-echo $ECHO_N "checking for -fno-unit-at-a-time... $ECHO_C" >&6
-if test "${libc_cv_fno_unit_at_a_time+set}" = set; then
+echo "$as_me:$LINENO: checking for -fno-toplevel-reorder" >&5
+echo $ECHO_N "checking for -fno-toplevel-reorder... $ECHO_C" >&6
+if test "${libc_cv_fno_toplevel_reorder+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat > conftest.c <<EOF
int foo;
EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -fno-toplevel-reorder
conftest.c 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
@@ -5816,15 +5816,17 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }
then
- libc_cv_fno_unit_at_a_time=yes
+ libc_cv_fno_toplevel_reorder=yes
else
- libc_cv_fno_unit_at_a_time=no
+ libc_cv_fno_toplevel_reorder=no
fi
rm -f conftest*
fi
-echo "$as_me:$LINENO: result: $libc_cv_fno_unit_at_a_time" >&5
-echo "${ECHO_T}$libc_cv_fno_unit_at_a_time" >&6
-if test $libc_cv_fno_unit_at_a_time = yes; then
+echo "$as_me:$LINENO: result: $libc_cv_fno_toplevel_reorder" >&5
+echo "${ECHO_T}$libc_cv_fno_toplevel_reorder" >&6
+if test $libc_cv_fno_toplevel_reorder = yes; then
+ fno_unit_at_a_time=-fno-toplevel-reorder
+else
fno_unit_at_a_time=-fno-unit-at-a-time
fi
diff --git a/configure.in b/configure.in
index b5d4e3ff4b..dfbf3f1420 100644
--- a/configure.in
+++ b/configure.in
@@ -1515,19 +1515,21 @@ EOF
AC_SUBST(libc_cv_fpie)
fi
-AC_CACHE_CHECK(for -fno-unit-at-a-time, libc_cv_fno_unit_at_a_time, [dnl
+AC_CACHE_CHECK(for -fno-toplevel-reorder, libc_cv_fno_toplevel_reorder, [dnl
cat > conftest.c <<EOF
int foo;
EOF
-if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -fno-toplevel-reorder
conftest.c 1>&AS_MESSAGE_LOG_FD])
then
- libc_cv_fno_unit_at_a_time=yes
+ libc_cv_fno_toplevel_reorder=yes
else
- libc_cv_fno_unit_at_a_time=no
+ libc_cv_fno_toplevel_reorder=no
fi
rm -f conftest*])
-if test $libc_cv_fno_unit_at_a_time = yes; then
+if test $libc_cv_fno_toplevel_reorder = yes; then
+ fno_unit_at_a_time=-fno-toplevel-reorder
+else
fno_unit_at_a_time=-fno-unit-at-a-time
fi
AC_SUBST(fno_unit_at_a_time)