[cairo-commit] build/configure.ac.warnings

[Benjamin Otte]

 build/configure.ac.warnings |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

New commits:
commit d11b39ea274edea1fe4aab87791101da0783be3c
Author: Benjamin Otte <otte at redhat.com>
Date:   Fri May 20 20:57:33 2011 +0200

    build: Use $GREP -e instead of plain grep -e
    
    https://bugs.freedesktop.org/show_bug.cgi?id=37388

diff --git a/build/configure.ac.warnings b/build/configure.ac.warnings
index a43ae89..3eb0104 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) {}