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-rw-r--r--lib/glm4/gnulib-common.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/glm4/gnulib-common.m4 b/lib/glm4/gnulib-common.m4
index 7d83299..8621dec 100644
--- a/lib/glm4/gnulib-common.m4
+++ b/lib/glm4/gnulib-common.m4
@@ -18,7 +18,7 @@ AC_DEFUN([gl_COMMON_BODY], [
# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
|| 0x5110 <= __SUNPRO_C)
# define _Noreturn __attribute__ ((__noreturn__))
-# elif 1200 <= _MSC_VER
+# elif defined _MSC_VER && 1200 <= _MSC_VER
# define _Noreturn __declspec (noreturn)
# else
# define _Noreturn