We don't currently want to rely on the -q option to grep.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
+2012-10-24 Mike Frysinger <vapier@gentoo.org>
+
+ * configure.in (libc_cv_gcc_static_libgcc): Drop -q flag to grep and
+ send the output to /dev/null.
+ (libc_cv_cc_with_libunwind): Likewise.
+ (libc_cv_as_noexecstack): Likewise.
+ * configure: Regenerate.
+
2012-10-24 Joseph Myers <joseph@codesourcery.com>
* io/ftwtest-sh (tmp): Define to ${objpfx}io, not using `pwd`.
if ${libc_cv_gcc_static_libgcc+:} false; then :
$as_echo_n "(cached) " >&6
else
- if $CC -v -static-libgcc 2>&1 | grep -q 'unrecognized option.*static-libgcc'; then
+ if $CC -v -static-libgcc 2>&1 | grep 'unrecognized option.*static-libgcc' >/dev/null; then
libc_cv_gcc_static_libgcc=
else
libc_cv_gcc_static_libgcc=-static-libgcc
int main (void) { return 0; }
EOF
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
- conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
+ conftest.c -v 2>&1 >/dev/null | grep ' -lunwind ' >/dev/null; then
libc_cv_cc_with_libunwind=yes
else
libc_cv_cc_with_libunwind=no
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } \
- && grep -q .note.GNU-stack conftest.s \
+ && grep .note.GNU-stack conftest.s >/dev/null \
&& { ac_try='${CC-cc} $ASFLAGS -Wa,--noexecstack
-c -o conftest.o conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
fi
AC_CACHE_CHECK(whether GCC supports -static-libgcc, libc_cv_gcc_static_libgcc, [dnl
-if $CC -v -static-libgcc 2>&1 | grep -q 'unrecognized option.*static-libgcc'; then
+if $CC -v -static-libgcc 2>&1 | grep 'unrecognized option.*static-libgcc' >/dev/null; then
libc_cv_gcc_static_libgcc=
else
libc_cv_gcc_static_libgcc=-static-libgcc
int main (void) { return 0; }
EOF
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
- conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
+ conftest.c -v 2>&1 >/dev/null | grep ' -lunwind ' >/dev/null; then
libc_cv_cc_with_libunwind=yes
else
libc_cv_cc_with_libunwind=no
EOF
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS
-S -o conftest.s conftest.c 1>&AS_MESSAGE_LOG_FD]) \
- && grep -q .note.GNU-stack conftest.s \
+ && grep .note.GNU-stack conftest.s >/dev/null \
&& AC_TRY_COMMAND([${CC-cc} $ASFLAGS -Wa,--noexecstack
-c -o conftest.o conftest.s 1>&AS_MESSAGE_LOG_FD])
then