get svn version when using separate build tree

Originally committed as revision 5539 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/Makefile b/Makefile
index 91fa008..9c64009 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -92,7 +92,7 @@ ffplay_g$(EXESUF): ffplay.o cmdutils.o .libs
 
 .PHONY: version.h
 version.h:
-       $(SRC_PATH)/version.sh
+       $(SRC_PATH)/version.sh "$(SRC_PATH)"
 
 output_example$(EXESUF): output_example.o .libs
        $(CC) $(FFLIBDIRS) $(LDFLAGS) -o $@ output_example.o $(FFLIBS) $(EXTRALIBS)

diff --git a/version.sh b/version.sh
index 09c0382..4721a71 100755 (executable)
--- a/version.sh
+++ b/version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-svn_revision=`svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
+svn_revision=`cd "$1" && svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
 test $svn_revision || svn_revision=UNKNOWN
 
 NEW_REVISION="#define FFMPEG_VERSION \"SVN-r$svn_revision\""