configure: fix PIC activation for x86_64 shared libs

Originally committed as revision 16563 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/configure b/configure
index ccca8d85d912adc77ee1c68bf355f12cf8e3f8b1..f1eab728fef7ef3a4ff11d49ec8ca742c7356859 100755 (executable)
--- a/configure
+++ b/configure
@@ -2085,7 +2085,7 @@ fi
 if enabled shared; then
     # LIBOBJFLAGS may have already been set in the OS configuration
     if test -z "$LIBOBJFLAGS" ; then
-        case "$arch" in
+        case "${subarch-$arch}" in
             x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
         esac
     fi