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Protect config.mak against multiple inclusion
Some of the values set here are modified by the main makefiles and should not be reset when config.mak is included again. Originally committed as revision 19417 to svn://svn.ffmpeg.org/ffmpeg/trunk
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configure
vendored
4
configure
vendored
@ -2479,6 +2479,9 @@ echo "#define FFMPEG_CONFIG_H" >> $TMPH
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echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
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echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
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echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
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echo "FFMPEG_CONFIG_MAK=1" >> config.mak
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echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
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echo "prefix=$prefix" >> config.mak
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echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
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@ -2609,6 +2612,7 @@ enabled asmalign_pot &&
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echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
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echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
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echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
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# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
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cmp -s $TMPH config.h &&
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