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55 lines
1.5 KiB
Text
55 lines
1.5 KiB
Text
dnl slurp-ffmpeg.m4 0.1.1
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dnl a macro to slurp in ffmpeg's cvs source inside a project tree
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dnl taken from Autostar Sandbox, http://autostars.sourceforge.net/
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dnl Usage:
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dnl AS_SLURP_FFMPEG(DIRECTORY, DATE, [ACTION-IF-WORKED [, ACTION-IF-NOT-WORKED]]])
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dnl
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dnl Example:
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dnl AM_PATH_FFMPEG(lib/ffmpeg, 2002-12-14 12:00 GMT)
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dnl
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dnl make sure you have a Tag file in the dir where you check out that
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dnl is the Tag of CVS you want to have checked out
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dnl it should correspond to the DATE argument you supply, ie resolve to
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dnl the same date
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dnl (in an ideal world, cvs would understand it's own Tag file format as
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dnl a date spec)
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AC_DEFUN(AS_SLURP_FFMPEG,
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[
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# save original dir
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DIRECTORY=`pwd`
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# get/update cvs
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if test ! -d $1; then mkdir -p $1; fi
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cd $1
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if test ! -d ffmpeg/CVS; then
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# check out cvs code
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AC_MSG_NOTICE(checking out ffmpeg cvs code from $2 into $1)
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cvs -Q -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg co -D '$2' ffmpeg || FAILED=yes
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cd ffmpeg
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else
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# compare against Tag file and see if it needs updating
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if diff -q Tag ffmpeg/CVS/Tag > /dev/null 2> /dev/null
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then
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# diff returned no problem
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AC_MSG_NOTICE(ffmpeg cvs code in sync)
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else
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# diff says they differ
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cd ffmpeg
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AC_MSG_NOTICE(updating ffmpeg cvs code)
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cvs -Q update -dP -D '$2' || FAILED=yes
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fi
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fi
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# now go back
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cd $DIRECTORY
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if test "x$FAILED" == "xyes"; then
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[$4]
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false
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else
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[$3]
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true
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fi
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])
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