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-rw-r--r--source/lib/replace/libreplace_macros.m44
1 files changed, 2 insertions, 2 deletions
diff --git a/source/lib/replace/libreplace_macros.m4 b/source/lib/replace/libreplace_macros.m4
index 6c4cfc465d2..913de5eab17 100644
--- a/source/lib/replace/libreplace_macros.m4
+++ b/source/lib/replace/libreplace_macros.m4
@@ -91,11 +91,11 @@ AC_DEFUN([AC_EXTENSION_FLAG],
[
cat >>confdefs.h <<\EOF
#ifndef $1
-# define $1
+# define $1 1
#endif
EOF
AH_VERBATIM([$1], [#ifndef $1
-# define $1
+# define $1 1
#endif])
])