build: Fix 'make deploy' for OSX

Native OSX uses system tools rather than 3rd party dependencies. rsvg-convert
is still required, though.

Makefile.am

@@ -111,9 +111,16 @@ osx_volname:
 	echo $(OSX_VOLNAME) >$@
 
 if BUILD_DARWIN
-$(OSX_DMG): $(OSX_APP_BUILT) $(OSX_PACKAGING)
+$(OSX_DMG): $(OSX_APP_BUILT) $(OSX_PACKAGING) $(OSX_BACKGROUND_IMAGE)
 	$(PYTHON) $(OSX_DEPLOY_SCRIPT) $(OSX_APP) -add-qt-tr $(OSX_QT_TRANSLATIONS) -translations-dir=$(QT_TRANSLATION_DIR) -dmg -fancy $(OSX_FANCY_PLIST) -verbose 2 -volname $(OSX_VOLNAME)
 
+$(OSX_BACKGROUND_IMAGE).png: contrib/macdeploy/$(OSX_BACKGROUND_SVG)
+	sed 's/PACKAGE_NAME/$(PACKAGE_NAME)/' < "$<" | $(RSVG_CONVERT) -f png -d 36 -p 36 -o $@
+$(OSX_BACKGROUND_IMAGE)@2x.png: contrib/macdeploy/$(OSX_BACKGROUND_SVG)
+	sed 's/PACKAGE_NAME/$(PACKAGE_NAME)/' < "$<" | $(RSVG_CONVERT) -f png -d 72 -p 72 -o $@
+$(OSX_BACKGROUND_IMAGE): $(OSX_BACKGROUND_IMAGE).png $(OSX_BACKGROUND_IMAGE)@2x.png
+	tiffutil -cathidpicheck $^ -out $@
+
 deploydir: $(OSX_DMG)
 else
 APP_DIST_DIR=$(top_builddir)/dist

configure.ac

@@ -319,6 +319,7 @@ case $host in
          fi
        fi
 
+       AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg],rsvg-convert)
        AC_CHECK_PROG([BREW],brew, brew)
        if test x$BREW = xbrew; then
          dnl These Homebrew packages may be keg-only, meaning that they won't be found
@@ -352,7 +353,6 @@ case $host in
            AC_PATH_TOOL([INSTALLNAMETOOL], [install_name_tool], install_name_tool)
            AC_PATH_TOOL([OTOOL], [otool], otool)
            AC_PATH_PROGS([GENISOIMAGE], [genisoimage mkisofs],genisoimage)
-           AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg],rsvg-convert)
            AC_PATH_PROGS([IMAGEMAGICK_CONVERT], [convert],convert)
            AC_PATH_PROGS([TIFFCP], [tiffcp],tiffcp)
 

contrib/macdeploy/macdeployqtplus

@@ -791,7 +791,7 @@ if config.dmg is not None:
         except subprocess.CalledProcessError as e:
             sys.exit(e.returncode)
         
-        m = re.search("/Volumes/(.+$)", output)
+        m = re.search("/Volumes/(.+$)", output.decode())
         disk_root = m.group(0)
         disk_name = m.group(1)
         
@@ -868,7 +868,7 @@ if config.dmg is not None:
             print(s)
 
         p = subprocess.Popen(['osascript', '-'], stdin=subprocess.PIPE)
-        p.communicate(input=s)
+        p.communicate(input=s.encode('utf-8'))
         if p.returncode:
             print("Error running osascript.")