diff options
Diffstat (limited to 'build/configure.ac.warnings')
| -rw-r--r-- | build/configure.ac.warnings | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/build/configure.ac.warnings b/build/configure.ac.warnings index a43ae894..3eb0104b 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) {} |