move common parts of makefiles into common.mak

Originally committed as revision 5015 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index ba5c11f1e9..84b72bcd63 100755
--- a/configure
+++ b/configure
@@ -1892,6 +1892,7 @@ if test "$source_path_used" = "yes" ; then
     done
 fi
 echo "SRC_PATH=$source_path" >> config.mak
+echo "BUILD_ROOT=$PWD" >> config.mak
 
 if test "$amr_wb" = "yes" ; then
   echo "#define AMR_WB 1" >> $TMPH