Add crypto/sha256 and crypto/sha512 modules from gnulib

[bpt/emacs.git] / m4 / sha256.m4

diff --git a/m4/sha256.m4 b/m4/sha256.m4
new file mode 100644 (file)
index 0000000..a3429ed
--- /dev/null
+++ b/m4/sha256.m4
@@ -0,0 +1,12 @@
+# sha256.m4 serial 5
+dnl Copyright (C) 2005, 2008-2011 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_SHA256],
+[
+  dnl Prerequisites of lib/sha256.c.
+  AC_REQUIRE([gl_BIGENDIAN])
+  AC_REQUIRE([AC_C_INLINE])
+])