portability fixes: update automake auxiliary config scripts

All projects have been notified, however some may never do
another release.

src/smpeg-1-freebsd-amd64.patch

@@ -1,15 +0,0 @@
-This file is part of mingw-cross-env.
-See doc/index.html for further information.
-
---- smpeg-0.4.5+cvs20030824.orig/config.guess	2009-10-12 19:02:17.000000000 +1100
-+++ smpeg-0.4.5+cvs20030824/config.guess	2009-10-12 19:01:51.000000000 +1100
-@@ -723,6 +723,9 @@
-     *:BSD/OS:*:*)
- 	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
- 	exit 0 ;;
-+    amd64:FreeBSD:*:*)
-+	echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
-+	exit 0 ;;
-     *:FreeBSD:*:*)
- 	echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
- 	exit 0 ;;