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-rw-r--r--m4/alloca.m44
1 files changed, 2 insertions, 2 deletions
diff --git a/m4/alloca.m4 b/m4/alloca.m4
index b777f8450ce..d8414896308 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -1,4 +1,4 @@
-# alloca.m4 serial 17
+# alloca.m4 serial 18
dnl Copyright (C) 2002-2004, 2006-2007, 2009-2020 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
@@ -102,7 +102,7 @@ AH_VERBATIM([STACK_DIRECTION],
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
-@%:@undef STACK_DIRECTION])dnl
+#undef STACK_DIRECTION])dnl
AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])
])