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authorBenjamin Otte <otte@redhat.com>2011-05-20 20:57:33 +0200
committerBenjamin Otte <otte@redhat.com>2011-05-20 20:59:13 +0200
commitd11b39ea274edea1fe4aab87791101da0783be3c (patch)
treea2009c36ea794e95a4214cf6477afe8fd739e899 /build
parentbdfd860ae7a4e5fd7157748f90b0d8c6cc04e5ca (diff)
build: Use $GREP -e instead of plain grep -e
https://bugs.freedesktop.org/show_bug.cgi?id=37388
Diffstat (limited to 'build')
-rw-r--r--build/configure.ac.warnings3
1 files changed, 2 insertions, 1 deletions
diff --git a/build/configure.ac.warnings b/build/configure.ac.warnings
index a43ae8940..3eb0104be 100644
--- a/build/configure.ac.warnings
+++ b/build/configure.ac.warnings
@@ -69,8 +69,9 @@ CAIRO_CFLAGS="$CAIRO_CFLAGS $WARN_CFLAGS"
# gcc from generating thousands of warnings about the misapplication of the
# attribute to void functions and variables.
AC_CACHE_CHECK([how to enable unused result warnings], cairo_cv_warn_unused_result, [
+ AC_REQUIRE([AC_PROG_GREP])
cairo_cv_warn_unused_result=""
- if echo $WARN_CFLAGS | grep -e '-Wno-attributes' >/dev/null; then
+ if echo $WARN_CFLAGS | $GREP -e '-Wno-attributes' >/dev/null; then
CAIRO_CC_TRY_FLAG_SILENT(
[-Wno-attributes],
[__attribute__((__warn_unused_result__)) void f (void) {}