contrib: fix FFmpeg unpacking (multiple times)

diff --git a/contrib/src/ffmpeg/rules.mak b/contrib/src/ffmpeg/rules.mak
index 5112d91aeb467ae5d08000177bd185761ae77182..9c9466a8f76482738d8f5d2033a39b5439b2d233 100644 (file)
--- a/contrib/src/ffmpeg/rules.mak
+++ b/contrib/src/ffmpeg/rules.mak
@@ -114,9 +114,9 @@ FFMPEG_VERSION := git
        touch $@
 
 ffmpeg: ffmpeg-$(FFMPEG_VERSION).tar.gz .sum-ffmpeg
-       rm -Rf ffmpeg-git
-       mkdir -p ffmpeg-git
-       zcat "$<" | (cd ffmpeg-git && tar xv --strip-components=1)
+       rm -Rf $@ $@-git
+       mkdir -p $@-git
+       zcat "$<" | (cd $@-git && tar xv --strip-components=1)
 ifdef HAVE_WIN32
        sed -i "s/std=c99/std=gnu99/" $@-$(FFMPEG_VERSION)/configure
 endif