1 files changed, 23 insertions, 0 deletions
diff --git a/m4/mempcpy.m4 b/m4/mempcpy.m4
new file mode 100644
index 0000000..a96168d
--- /dev/null
+++ b/m4/mempcpy.m4
@@ -0,0 +1,23 @@
+# mempcpy.m4 serial 3
+dnl Copyright (C) 2003, 2004 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_MEMPCPY],
+[
+  AC_LIBSOURCES([mempcpy.c, mempcpy.h])
+
+  dnl Persuade glibc <string.h> to declare mempcpy().
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  AC_REPLACE_FUNCS(mempcpy)
+  if test $ac_cv_func_mempcpy = no; then
+    gl_PREREQ_MEMPCPY
+  fi
+])
+
+# Prerequisites of lib/mempcpy.c.
+AC_DEFUN([gl_PREREQ_MEMPCPY], [
+  :
+])