1 files changed, 21 insertions, 0 deletions
diff --git a/m4/strverscmp.m4 b/m4/strverscmp.m4
new file mode 100644
index 0000000..ab20c18
--- /dev/null
+++ b/m4/strverscmp.m4
@@ -0,0 +1,21 @@
+# strverscmp.m4 serial 4
+dnl Copyright (C) 2002, 2005, 2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_STRVERSCMP],
+[
+  dnl Persuade glibc <string.h> to declare strverscmp().
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  AC_REPLACE_FUNCS(strverscmp)
+  if test $ac_cv_func_strverscmp = no; then
+    gl_PREREQ_STRVERSCMP
+  fi
+])
+
+# Prerequisites of lib/strverscmp.c.
+AC_DEFUN([gl_PREREQ_STRVERSCMP], [
+  :
+])