--- a/browser/app/Makefile.in
+++ b/browser/app/Makefile.in
@@ -73,31 +73,31 @@ LPROJ := Contents/Resources/$(LPROJ_ROOT
 clean clobber repackage::
 	$(RM) -r $(dist_dest)
 
 MAC_BUNDLE_VERSION = $(shell $(PYTHON) $(srcdir)/macversion.py --version=$(MOZ_APP_VERSION) --buildid=$(DEPTH)/buildid.h)
 
 .PHONY: repackage
 tools repackage:: $(DIST)/bin/$(MOZ_APP_NAME) features
 	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)/' -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
+	$(MKDIR) -p '$(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%/$(MAC_BUNDLE_VERSION)/' -e 's|%MOZ_DEVELOPER_REPO_PATH%|$(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'
 ifdef MOZ_UPDATER
-	mv -f $(dist_dest)/Contents/MacOS/updater.app/Contents/MacOS/org.mozilla.updater $(dist_dest)/Contents/Library/LaunchServices
-	ln -s ../../../../Library/LaunchServices/org.mozilla.updater $(dist_dest)/Contents/MacOS/updater.app/Contents/MacOS/org.mozilla.updater
+	mv -f '$(dist_dest)/Contents/MacOS/updater.app/Contents/MacOS/org.mozilla.updater' '$(dist_dest)/Contents/Library/LaunchServices'
+	ln -s ../../../../Library/LaunchServices/org.mozilla.updater '$(dist_dest)/Contents/MacOS/updater.app/Contents/MacOS/org.mozilla.updater'
 endif
-	printf APPLMOZB > $(dist_dest)/Contents/PkgInfo
+	printf APPLMOZB > '$(dist_dest)/Contents/PkgInfo'
 endif
 
 .PHONY: features
 tools features::
 	$(PYTHON) -c 'import os, json; listing = {"system": sorted(os.listdir("$(DIST)/bin/browser/features"))}; print json.dumps(listing)' > $(DIST)/bin/browser/chrome/browser/content/browser/built_in_addons.json

--- a/browser/installer/Makefile.in
+++ b/browser/installer/Makefile.in
@@ -105,29 +105,29 @@ MOZ_PKG_MAC_ICON=branding/disk.icns
 MOZ_PKG_MAC_EXTRA=--symlink '/Applications:/ '
 endif
 
 include $(topsrcdir)/toolkit/mozapps/installer/signing.mk
 include $(topsrcdir)/toolkit/mozapps/installer/packager.mk
 
 ifeq (bundle, $(MOZ_FS_LAYOUT))
 BINPATH = $(_BINPATH)
-DEFINES += -DAPPNAME=$(_APPNAME)
+DEFINES += -DAPPNAME='$(_APPNAME)'
 else
 # Every other platform just winds up in dist/bin
 BINPATH = bin
 endif
-DEFINES += -DBINPATH=$(BINPATH)
+DEFINES += -DBINPATH='$(BINPATH)'
 
 ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT))
 RESPATH = $(_APPNAME)/Contents/Resources
 else
 RESPATH = $(BINPATH)
 endif
-DEFINES += -DRESPATH=$(RESPATH)
+DEFINES += -DRESPATH="$(RESPATH)"
 
 LPROJ_ROOT = $(firstword $(subst -, ,$(AB_CD)))
 ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT))
 ifeq (zh-TW,$(AB_CD))
 LPROJ_ROOT := $(subst -,_,$(AB_CD))
 endif
 endif
 DEFINES += -DLPROJ_ROOT=$(LPROJ_ROOT)

--- a/browser/locales/Makefile.in
+++ b/browser/locales/Makefile.in
@@ -166,20 +166,20 @@ else
 	  sed -e 's/%MOZ_APP_DISPLAYNAME%/$(MOZ_APP_DISPLAYNAME)/' > \
 	  $(FINAL_TARGET)/../updater.ini
 endif
 endif
 
 ident:
 	@printf 'fx_revision '
 	@$(PYTHON) $(topsrcdir)/config/printconfigsetting.py \
-	    $(STAGEDIST)/application.ini App SourceStamp
+	    '$(STAGEDIST)'/application.ini App SourceStamp
 	@printf 'buildid '
 	@$(PYTHON) $(topsrcdir)/config/printconfigsetting.py \
-	    $(STAGEDIST)/application.ini App BuildID
+	    '$(STAGEDIST)'/application.ini App BuildID
 
 # test target, depends on make package
 # try to repack x-test, with just toolkit/defines.inc being there
 l10n-check:: INNER_UNMAKE_PACKAGE=true
 l10n-check::
 	$(RM) -rf x-test
 	$(NSINSTALL) -D x-test/toolkit
 	echo '#define MOZ_LANG_TITLE Just testing' > x-test/toolkit/defines.inc

--- a/old-configure.in
+++ b/old-configure.in
@@ -4532,23 +4532,23 @@ fi
 dnl ========================================================
 dnl = Mac bundle name prefix
 dnl ========================================================
 MOZ_ARG_WITH_STRING(macbundlename-prefix,
 [  --with-macbundlename-prefix=prefix
                           Prefix for MOZ_MACBUNDLE_NAME],
 [ MOZ_MACBUNDLE_NAME_PREFIX="$withval"])
 
-MOZ_MACBUNDLE_NAME=`echo $MOZ_APP_DISPLAYNAME | tr -d ' '`
+MOZ_MACBUNDLE_NAME=$MOZ_APP_DISPLAYNAME
 if test "$MOZ_MACBUNDLE_NAME_PREFIX"; then
-  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME_PREFIX}${MOZ_MACBUNDLE_NAME}"
+  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME_PREFIX} ${MOZ_MACBUNDLE_NAME}"
 fi
 
 if test "$MOZ_DEBUG"; then
-  MOZ_MACBUNDLE_NAME=${MOZ_MACBUNDLE_NAME}Debug.app
+  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME} Debug.app"
 else
   MOZ_MACBUNDLE_NAME=${MOZ_MACBUNDLE_NAME}.app
 fi
 AC_SUBST(MOZ_MACBUNDLE_NAME)
 
 dnl Mac bundle identifier (based on MOZ_APP_DISPLAYNAME)
 # If the MOZ_MACBUNDLE_ID is defined in the configure.sh, use it
 # Otherwise, use MOZ_APP_DISPLAYNAME

--- a/toolkit/mozapps/installer/packager.mk
+++ b/toolkit/mozapps/installer/packager.mk
@@ -41,17 +41,17 @@ stage-package: multilocale.json locale-m
 		$(if $(filter-out 0,$(MOZ_PKG_FATAL_WARNINGS)),,--ignore-errors) \
 		$(if $(MOZ_PACKAGER_MINIFY),--minify) \
 		$(if $(MOZ_PACKAGER_MINIFY_JS),--minify-js \
 		  $(addprefix --js-binary ,$(JS_BINARY)) \
 		) \
 		$(if $(JARLOG_DIR),$(addprefix --jarlog ,$(wildcard $(JARLOG_FILE_AB_CD)))) \
 		$(if $(OPTIMIZEJARS),--optimizejars) \
 		$(addprefix --compress ,$(JAR_COMPRESSION)) \
-		$(MOZ_PKG_MANIFEST) $(DIST) $(DIST)/$(MOZ_PKG_DIR)$(if $(MOZ_PKG_MANIFEST),,$(_BINPATH)) \
+		$(MOZ_PKG_MANIFEST) '$(DIST)' '$(DIST)'/$(MOZ_PKG_DIR)$(if $(MOZ_PKG_MANIFEST),,$(_BINPATH)) \
 		$(if $(filter omni,$(MOZ_PACKAGER_FORMAT)),$(if $(NON_OMNIJAR_FILES),--non-resource $(NON_OMNIJAR_FILES)))
 	$(PYTHON) $(MOZILLA_DIR)/toolkit/mozapps/installer/find-dupes.py $(DEFINES) $(ACDEFINES) $(MOZ_PKG_DUPEFLAGS) $(DIST)/$(MOZ_PKG_DIR)
 ifndef MOZ_IS_COMM_TOPDIR
 	# Package mozharness
 	$(call py_action,test_archive, \
 		mozharness \
 		$(ABS_DIST)/$(PKG_PATH)$(MOZHARNESS_PACKAGE))
 endif # MOZ_IS_COMM_TOPDIR

--- a/tools/update-packaging/common.sh
+++ b/tools/update-packaging/common.sh
@@ -78,25 +78,25 @@ make_add_instruction() {
   fi
 
   is_extension=$(echo "$f" | grep -c 'distribution/extensions/.*/')
   if [ $is_extension = "1" ]; then
     # Use the subdirectory of the extensions folder as the file to test
     # before performing this add instruction.
     testdir=$(echo "$f" | sed 's/\(.*distribution\/extensions\/[^\/]*\)\/.*/\1/')
     notice "     add-if \"$testdir\" \"$f\""
-    echo "add-if \"$testdir\" \"$f\"" >> $filev2
+    echo "add-if \"$testdir\" \"$f\"" >> "$filev2"
     if [ ! $filev3 = "" ]; then
-      echo "add-if \"$testdir\" \"$f\"" >> $filev3
+      echo "add-if \"$testdir\" \"$f\"" >> "$filev3"
     fi
   else
     notice "        add \"$f\"$forced"
-    echo "add \"$f\"" >> $filev2
+    echo "add \"$f\"" >> "$filev2"
     if [ ! $filev3 = "" ]; then
-      echo "add \"$f\"" >> $filev3
+      echo "add \"$f\"" >> "$filev3"
     fi
   fi
 }
 
 check_for_add_if_not_update() {
   add_if_not_file_chk="$1"
 
   if [ `basename $add_if_not_file_chk` = "channel-prefs.js" -o \
@@ -133,22 +133,22 @@ make_patch_instruction() {
   filev3="$3"
 
   is_extension=$(echo "$f" | grep -c 'distribution/extensions/.*/')
   if [ $is_extension = "1" ]; then
     # Use the subdirectory of the extensions folder as the file to test
     # before performing this add instruction.
     testdir=$(echo "$f" | sed 's/\(.*distribution\/extensions\/[^\/]*\)\/.*/\1/')
     notice "   patch-if \"$testdir\" \"$f.patch\" \"$f\""
-    echo "patch-if \"$testdir\" \"$f.patch\" \"$f\"" >> $filev2
-    echo "patch-if \"$testdir\" \"$f.patch\" \"$f\"" >> $filev3
+    echo "patch-if \"$testdir\" \"$f.patch\" \"$f\"" >> "$filev2"
+    echo "patch-if \"$testdir\" \"$f.patch\" \"$f\"" >> "$filev3"
   else
     notice "      patch \"$f.patch\" \"$f\""
-    echo "patch \"$f.patch\" \"$f\"" >> $filev2
-    echo "patch \"$f.patch\" \"$f\"" >> $filev3
+    echo "patch \"$f.patch\" \"$f\"" >> "$filev2"
+    echo "patch \"$f.patch\" \"$f\"" >> "$filev3"
   fi
 }
 
 append_remove_instructions() {
   dir="$1"
   filev2="$2"
   filev3="$3"
 
@@ -167,28 +167,28 @@ append_remove_instructions() {
       # Trim whitespace
       f=$(echo $f)
       # Exclude blank lines.
       if [ -n "$f" ]; then
         # Exclude comments
         if [ ! $(echo "$f" | grep -c '^#') = 1 ]; then
           if [ $(echo "$f" | grep -c '\/$') = 1 ]; then
             notice "      rmdir \"$f\""
-            echo "rmdir \"$f\"" >> $filev2
-            echo "rmdir \"$f\"" >> $filev3
+            echo "rmdir \"$f\"" >> "$filev2"
+            echo "rmdir \"$f\"" >> "$filev3"
           elif [ $(echo "$f" | grep -c '\/\*$') = 1 ]; then
             # Remove the *
             f=$(echo "$f" | sed -e 's:\*$::')
             notice "    rmrfdir \"$f\""
-            echo "rmrfdir \"$f\"" >> $filev2
-            echo "rmrfdir \"$f\"" >> $filev3
+            echo "rmrfdir \"$f\"" >> "$filev2"
+            echo "rmrfdir \"$f\"" >> "$filev3"
           else
             notice "     remove \"$f\""
-            echo "remove \"$f\"" >> $filev2
-            echo "remove \"$f\"" >> $filev3
+            echo "remove \"$f\"" >> "$filev2"
+            echo "remove \"$f\"" >> "$filev3"
           fi
         fi
       fi
     done
   fi
 }
 
 # List all files in the current directory, stripping leading "./"

--- a/tools/update-packaging/make_full_update.sh
+++ b/tools/update-packaging/make_full_update.sh
@@ -62,23 +62,23 @@ if [ ! -f "precomplete" ]; then
   fi
 fi
 
 list_files files
 
 popd
 
 # Add the type of update to the beginning of the update manifests.
-> $updatemanifestv2
-> $updatemanifestv3
+> "$updatemanifestv2"
+> "$updatemanifestv3"
 notice ""
 notice "Adding type instruction to update manifests"
 notice "       type complete"
-echo "type \"complete\"" >> $updatemanifestv2
-echo "type \"complete\"" >> $updatemanifestv3
+echo "type \"complete\"" >> "$updatemanifestv2"
+echo "type \"complete\"" >> "$updatemanifestv3"
 
 notice ""
 notice "Adding file add instructions to update manifests"
 num_files=${#files[*]}
 
 for ((i=0; $i<$num_files; i=$i+1)); do
   f="${files[$i]}"