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Restrict -Wa,-nH use to Solaris (PR libstdc++/55594)

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PR libstdc++/55594
	* acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Restrict test to
	Solaris targets.
	* configure: Regenerate.

From-SVN: r195009
This commit is contained in:
Rainer Orth 2013-01-08 09:47:55 +00:00 committed by Rainer Orth
parent 3138f2246b
commit 1191c46b4b
3 changed files with 37 additions and 18 deletions

7
libstdc++-v3/ChangeLog

@ -1,3 +1,10 @@
2013-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR libstdc++/55594
* acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Restrict test to
Solaris targets.
* configure: Regenerate.
2013-01-07 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/55847

24
libstdc++-v3/acinclude.m4

@ -178,17 +178,23 @@ dnl
AC_DEFUN([GLIBCXX_CHECK_ASSEMBLER_HWCAP], [
test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wa,-nH"
# Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
# with a different meaning.
case ${target_os} in
solaris2*)
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wa,-nH"
AC_MSG_CHECKING([for as that supports -Wa,-nH])
AC_TRY_COMPILE([], [return 0;], [ac_hwcap_flags=yes],[ac_hwcap_flags=no])
if test "$ac_hwcap_flags" = "yes"; then
HWCAP_FLAGS="-Wa,-nH $HWCAP_FLAGS"
fi
AC_MSG_RESULT($ac_hwcap_flags)
AC_MSG_CHECKING([for as that supports -Wa,-nH])
AC_TRY_COMPILE([], [return 0;], [ac_hwcap_flags=yes],[ac_hwcap_flags=no])
if test "$ac_hwcap_flags" = "yes"; then
HWCAP_FLAGS="-Wa,-nH $HWCAP_FLAGS"
fi
AC_MSG_RESULT($ac_hwcap_flags)
CFLAGS="$ac_save_CFLAGS"
CFLAGS="$ac_save_CFLAGS"
;;
esac
AC_SUBST(HWCAP_FLAGS)
])

24
libstdc++-v3/configure vendored

@ -70790,12 +70790,16 @@ esac
test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wa,-nH"
# Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
# with a different meaning.
case ${target_os} in
solaris2*)
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wa,-nH"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for as that supports -Wa,-nH" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for as that supports -Wa,-nH" >&5
$as_echo_n "checking for as that supports -Wa,-nH... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
@ -70812,13 +70816,15 @@ else
ac_hwcap_flags=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
if test "$ac_hwcap_flags" = "yes"; then
HWCAP_FLAGS="-Wa,-nH $HWCAP_FLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_flags" >&5
if test "$ac_hwcap_flags" = "yes"; then
HWCAP_FLAGS="-Wa,-nH $HWCAP_FLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_flags" >&5
$as_echo "$ac_hwcap_flags" >&6; }
CFLAGS="$ac_save_CFLAGS"
CFLAGS="$ac_save_CFLAGS"
;;
esac