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-rw-r--r--m4/memxor.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/m4/memxor.m4 b/m4/memxor.m4
index 96764cfbf6..a879f2f254 100644
--- a/m4/memxor.m4
+++ b/m4/memxor.m4
@@ -8,4 +8,5 @@ AC_DEFUN([gl_MEMXOR],
[
AC_LIBSOURCES([memxor.h, memxor.c])
AC_LIBOBJ([memxor])
+ AC_REQUIRE([gl_C_RESTRICT])
])