Add gl_SHA256 and gl_SHA512.

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 68f6bb7e29916754ab271bccf51c639457d042e7..9a36357bbe5def5ff7a448ec90b7f34231d3ebac 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -134,6 +134,8 @@ AC_DEFUN([gl_PREREQ],
   AC_REQUIRE([gl_SAVE_CWD])
   AC_REQUIRE([gl_SETTIME])
   AC_REQUIRE([gl_SHA1])
+  AC_REQUIRE([gl_SHA256])
+  AC_REQUIRE([gl_SHA512])
   AC_REQUIRE([gl_STAT_MACROS])
   AC_REQUIRE([gl_STAT_TIME])
   AC_REQUIRE([gl_STDIO_SAFER])