Use head -1 instead of grep -m (non-POSIX flag)

svn-id: r48599

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 3b37159706..c7b55f257f 100755
--- a/configure
+++ b/configure
@@ -204,7 +204,7 @@ EOF
 }
 
 gcc_get_define() {
-	$CXX -dM -E - < /dev/null | fgrep -m 1 "$1" | cut -d ' ' -f 3-
+	$CXX -dM -E - < /dev/null | fgrep "$1" | head -1 | cut -d ' ' -f 3-
 }
 
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