finish ant/gradle build for appcompat-v7

Both preferencefragment and appcompat-v7 submodules need the
android-support-v4.jar to be included in their respective libs/ dirs in
order for ant to build those projects.

ant-prepare.sh

@@ -1,10 +1,14 @@
 #!/bin/bash -ex
 
+target=`sed -n 's,^target=\(.*\),\1,p' project.properties`
+
 android update lib-project --path extern/UniversalImageLoader/library
 android update lib-project --path extern/AndroidPinning
 android update lib-project --path extern/MemorizingTrustManager
 android update lib-project --path extern/libsuperuser/libsuperuser
 android update lib-project --path extern/zxing-core
+android update lib-project --path extern/android-support-v4-preferencefragment
+android update lib-project --path extern/Support/v7/appcompat --target $target
 android update project --path . --name F-Droid
 
 { echo -e "\nSuccessfully updated the main project.\n"; } 2>/dev/null

build.gradle

@@ -125,6 +125,15 @@ android.applicationVariants.all { variant ->
 // This is the hacky way which we force the subprojects to use the same build tools:
 // http://stackoverflow.com/a/21032272
 subprojects {
+
+	// The support-v4 library assumes certain things are defined in the 
+	// root project (which is usually the android-support project, but 
+	// this time it is the F-Droid project.
+	if (project.name.equals("support-v4")) {
+		apply plugin: 'maven'
+		rootProject.ext.supportRepoOut = ""
+	}
+
 	afterEvaluate {
 		android {
 

custom_rules.xml

@@ -1,6 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project name="custom_rules">
 
+  <target name="-pre-build">
+
+    <echo message="Copying a bunch of files around to make F-Droid and its submodules build" />
+    <copy tofile="extern/android-support-v4-preferencefragment/libs/android-support-v4.jar"
+          file="libs/android-support-v4.jar" />
+    <copy tofile="extern/Support/v7/appcompat/libs/android-support-v4.jar"
+          file="libs/android-support-v4.jar" />
+
+  </target>
+
   <target name="javadoc" description="Generate Javadocs">
     <javadoc sourcepath="${source.dir}"
              destdir="${out.dir}/javadoc"

project.properties

@@ -7,6 +7,8 @@ android.library.reference.2=extern/MemorizingTrustManager
 android.library.reference.3=extern/AndroidPinning
 android.library.reference.4=extern/libsuperuser/libsuperuser
 android.library.reference.5=extern/zxing-core
+android.library.reference.6=extern/android-support-v4-preferencefragment
+android.library.reference.7=extern/Support/v7/appcompat
 
 # For java libraries, place symlinks in extern/symlinks-for-ant-and-eclipse/
 source.dir=src;extern/symlinks-for-ant-and-eclipse