--- a/browser/app/Makefile.in
+++ b/browser/app/Makefile.in
@@ -84,17 +84,17 @@ MAC_BUNDLE_VERSION = $(shell $(PYTHON) $
 
 .PHONY: repackage
 tools repackage:: $(DIST)/bin/$(MOZ_APP_NAME)
 	rm -rf $(dist_dest)
 	$(MKDIR) -p $(dist_dest)/Contents/MacOS
 	$(MKDIR) -p $(dist_dest)/$(LPROJ)
 	rsync -a --exclude '*.in' $(srcdir)/macbuild/Contents $(dist_dest) --exclude English.lproj
 	rsync -a --exclude '*.in' $(srcdir)/macbuild/Contents/Resources/English.lproj/ $(dist_dest)/$(LPROJ)
-	sed -e 's/%APP_VERSION%/$(MOZ_APP_VERSION)/' -e 's/%MAC_APP_NAME%/$(MAC_APP_NAME)/' -e 's/%MOZ_MACBUNDLE_ID%/$(MOZ_MACBUNDLE_ID)/' -e 's/%MAC_BUNDLE_VERSION%/$(MAC_BUNDLE_VERSION)/' $(srcdir)/macbuild/Contents/Info.plist.in > $(dist_dest)/Contents/Info.plist
+	sed -e 's/%APP_VERSION%/$(MOZ_APP_VERSION)/' -e 's/%MAC_APP_NAME%/$(MAC_APP_NAME)/' -e 's/%MOZ_MACBUNDLE_ID%/$(MOZ_MACBUNDLE_ID)/' -e 's/%MAC_BUNDLE_VERSION%/$(MAC_BUNDLE_VERSION)/' -e 's|%MOZ_DEVELOPER_REPO_PATH%|$(topsrcdir)|' -e 's|%MOZ_DEVELOPER_OBJ_PATH%|$(topobjdir)|' $(srcdir)/macbuild/Contents/Info.plist.in > $(dist_dest)/Contents/Info.plist
 	sed -e 's/%MAC_APP_NAME%/$(MAC_APP_NAME)/' $(srcdir)/macbuild/Contents/Resources/English.lproj/InfoPlist.strings.in | iconv -f UTF-8 -t UTF-16 > $(dist_dest)/$(LPROJ)/InfoPlist.strings
 	rsync -a --exclude-from='$(srcdir)/macbuild/Contents/MacOS-files.in' $(DIST)/bin/ $(dist_dest)/Contents/Resources
 	rsync -a --include-from='$(srcdir)/macbuild/Contents/MacOS-files.in' --exclude '*' $(DIST)/bin/ $(dist_dest)/Contents/MacOS
 	$(RM) $(dist_dest)/Contents/MacOS/$(MOZ_APP_NAME)
 	rsync -aL $(DIST)/bin/$(MOZ_APP_NAME) $(dist_dest)/Contents/MacOS
 	cp -RL $(DIST)/branding/firefox.icns $(dist_dest)/Contents/Resources/firefox.icns
 	cp -RL $(DIST)/branding/document.icns $(dist_dest)/Contents/Resources/document.icns
 	$(MKDIR) -p $(dist_dest)/Contents/Library/LaunchServices

--- a/browser/app/macbuild/Contents/Info.plist.in
+++ b/browser/app/macbuild/Contents/Info.plist.in
@@ -215,10 +215,14 @@
   <string>GeckoNSApplication</string>
 	<key>SMPrivilegedExecutables</key>
 	<dict>
 		<key>org.mozilla.updater</key>
 		<string>identifier "org.mozilla.updater" and ((anchor apple generic and certificate leaf[field.1.2.840.113635.100.6.1.9]) or (anchor apple generic and certificate 1[field.1.2.840.113635.100.6.2.6] and certificate leaf[field.1.2.840.113635.100.6.1.13] and certificate leaf[subject.OU] = "43AQ936H96"))</string>
 	</dict>
   <key>NSDisablePersistence</key>
   <true/>
+  <key>MozillaDeveloperRepoPath</key>
+  <string>%MOZ_DEVELOPER_REPO_PATH%</string>
+  <key>MozillaDeveloperObjPath</key>
+  <string>%MOZ_DEVELOPER_OBJ_PATH%</string>
 </dict>
 </plist>

--- a/ipc/app/Makefile.in
+++ b/ipc/app/Makefile.in
@@ -28,14 +28,14 @@ ifeq ($(OS_ARCH),WINNT) #{
 EXTRA_DEPS += plugin-container.exe.manifest
 endif #}
 
 ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT)) #{
 
 libs::
 	$(NSINSTALL) -D $(DIST)/bin/$(PROGRAM).app
 	rsync -a -C --exclude '*.in' $(srcdir)/macbuild/Contents $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME).app 
-	sed -e 's/%PROGRAM%/$(MOZ_CHILD_PROCESS_NAME)/' $(srcdir)/macbuild/Contents/Info.plist.in > $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME).app/Contents/Info.plist
+	sed -e 's/%PROGRAM%/$(MOZ_CHILD_PROCESS_NAME)/' -e 's|%MOZ_DEVELOPER_REPO_PATH%|$(topsrcdir)|' -e 's|%MOZ_DEVELOPER_OBJ_PATH%|$(topobjdir)|' $(srcdir)/macbuild/Contents/Info.plist.in > $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME).app/Contents/Info.plist
 	sed -e 's/%APP_NAME%/$(MOZ_CHILD_PROCESS_BUNDLENAME)/' $(srcdir)/macbuild/Contents/Resources/English.lproj/InfoPlist.strings.in | \
 	  iconv -f UTF-8 -t UTF-16 > $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME).app/Contents/Resources/English.lproj/InfoPlist.strings
 	$(NSINSTALL) -D $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME).app/Contents/MacOS
 	$(NSINSTALL) $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME) $(DIST)/bin/$(MOZ_CHILD_PROCESS_NAME).app/Contents/MacOS
 endif #}

--- a/ipc/app/macbuild/Contents/Info.plist.in
+++ b/ipc/app/macbuild/Contents/Info.plist.in
@@ -26,10 +26,14 @@
 		<string>10.6.0</string>
 	</dict>
 	<key>LSUIElement</key>
 	<string>1</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
 	<true/>
 	<key>NSHighResolutionCapable</key>
 	<true/>
+        <key>MozillaDeveloperRepoPath</key>
+        <string>%MOZ_DEVELOPER_REPO_PATH%</string>
+        <key>MozillaDeveloperObjPath</key>
+        <string>%MOZ_DEVELOPER_OBJ_PATH%</string>
 </dict>
 </plist>