gstreamer/m4/as-slurp-ffmpeg.m4

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dnl slurp-ffmpeg.m4 0.1.0
dnl a macro to slurp in ffmpeg's cvs source inside a project tree
dnl taken from Autostar Sandbox, http://autostars.sourceforge.net/
dnl Usage:
dnl AS_SLURP_FFMPEG(DIRECTORY, DATE, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl
dnl Example:
dnl AM_PATH_FFMPEG(lib/ffmpeg, "2002-12-14 12:00 GMT")
nl
AC_DEFUN(AS_SLURP_FFMPEG,
[
# save original dir
DIRECTORY=`pwd`
# get/update cvs
if test ! -d $1; then mkdir -p $1; fi
cd $1
if test ! -d ffmpeg/CVS; then
# check out cvs code
AC_MSG_NOTICE(checking out ffmpeg cvs code from $2 into $1)
cvs -Q -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg co -D $2 ffmpeg || FAILED=yes
cd ffmpeg
else
cd ffmpeg
AC_MSG_NOTICE(updating ffmpeg cvs code)
cvs -Q update -dP -D $2 || FAILED=yes
fi
# now configure it
AC_MSG_NOTICE(configuring ffmpeg cvs code)
./configure
# now go back
cd $DIRECTORY
if test "x$FAILED" == "xyes"; then
[$4]
else
[$3]
fi
])