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-rw-r--r--configure.in6
1 files changed, 3 insertions, 3 deletions
diff --git a/configure.in b/configure.in
index 3af030a856..b3fab3772b 100644
--- a/configure.in
+++ b/configure.in
@@ -1011,7 +1011,7 @@ AC_MSG_ERROR([
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
@@ -1376,7 +1376,7 @@ AC_CACHE_CHECK(for libunwind-support in compiler,
int main (void) { return 0; }
EOF
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
- conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
+ conftest.c -v 2>&1 >/dev/null | grep ' -lunwind ' >/dev/null; then
libc_cv_cc_with_libunwind=yes
else
libc_cv_cc_with_libunwind=no
@@ -1526,7 +1526,7 @@ void foo (void) { }
EOF
if AC_TRY_COMMAND([${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