--- gpac/configure.orig	2012-06-15 21:26:23.188290228 +0200
+++ gpac/configure	2012-06-15 22:10:36.141512228 +0200
@@ -691,7 +691,7 @@
         #dc added
     else
         #try pkg-config
-        if $pkg_config --exists mozilla-js 2> /dev/null  ; then
+        if $pkg_config --exists nomozilla-js 2> /dev/null  ; then
             js_flags=`$pkg_config --cflags mozilla-js`
             js_lib_pkg=`$pkg_config --libs mozilla-js`
             if $cc -o $TMPO $TMPC $js_flags $js_lib_pkg $LDFLAGS -lpthread 2> /dev/null  ; then
@@ -699,29 +699,13 @@
                 js_lib=`$pkg_config --libs mozilla-js`
             fi
         #try firefox folders (starting at ubuntu 11.10, no pkg-config)
-        elif ls -d /usr/lib/firefox* > /dev/null 2>&1 ; then
-            firefox_version=`cd /usr/lib ; ls -d firefox* | grep -v addons | grep -v devel ; cd - > /dev/null`
-            for i in $firefox_version ; do
-                if test "$has_js" = "no" ; then
-                    js_inc="/usr/include/$i"
-                    js_flags="-DXP_UNIX -I$js_inc"
-                    js_lib="-L/usr/lib/$i/ -lxul -lmozsqlite3 -lmozalloc -lnssutil3 -lnss3 -lnspr4 -lsmime3"
-                    if $cc -o $TMPO $TMPC $js_flags $js_lib 2> /dev/null  ; then
-                        has_js="$i"
-                    elif $cc -o $TMPO $TMPC $js_flags -lnssutil3 $js_lib -lssl3 2> /dev/null  ; then
-                        #firefox 11 compatibility
-                        has_js="$i"
-                        js_lib="-lnssutil3 $js_lib -lssl3"
-                    fi
-                fi
-            done
         fi
 
         if test "$has_js" = "no" ; then
             #try prefix (DC)
             js_inc="$prefix/include/js"
             js_flags="-DXP_UNIX -I$prefix/include/js"
-            if $cc -o $TMPO $TMPC $js_flags -L$prefix/lib -ljs -lpthread 2> /dev/null  ; then
+            if $cc -o $TMPO $TMPC $js_flags -ljs -lpthread 2> /dev/null  ; then
                 has_js="prefix"
                 #dc added end
             else
@@ -782,7 +766,7 @@
         #try prefix (DC)
         js_inc="$prefix/include/js"
         js_flags="-DXP_UNIX -I$prefix/include/js"
-        if $cc -o $TMPO $TMPC $js_flags -L$prefix/lib -ljs 2> /dev/null  ; then
+        if $cc -o $TMPO $TMPC $js_flags -ljs 2> /dev/null  ; then
             has_js="prefix"
             #dc added end
         else