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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 64810bbb..226138ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,8 @@ AX_CHECK_COMPILE_FLAG([-Wno-error=visibility],
[CFLAGS="$CFLAGS -Wno-error=visibility"])
AX_CHECK_COMPILE_FLAG([-Wno-error=parentheses-equality],
[CFLAGS="$CFLAGS -Wno-error=parentheses-equality"])
+AX_CHECK_COMPILE_FLAG([-std=gnu99],
+ [TESTSUITE_CFLAGS="$TESTSUITE_CFLAGS -std=gnu99"])
AX_CHECK_COMPILE_FLAG([-Wno-error=unused-variable],
[TESTSUITE_CFLAGS="$TESTSUITE_CFLAGS -Wno-error=unused-variable"])