Move to a Makefile-based build.

Author: freakboy3742

.gitignore

@@ -2,4 +2,4 @@
 *.swp
 src/*
 build/*
-.cache
+downloads/*

Makefile

@@ -0,0 +1,62 @@
+# iOS Build variables.
+SDKVER=$(xcodebuild -showsdks | fgrep "iphoneos" | tail -n 1 | awk '{print $2}')
+DEVROOT=$(xcode-select -print-path)/Platforms/iPhoneOS.platform/Developer
+IOSSDKROOT=$DEVROOT/SDKs/iPhoneOS$SDKVER.sdk
+
+# Version of packages that will be compiled by this meta-package
+PYTHON_VERSION=2.7.1
+FFI_VERSION=3.0.13
+
+all: dirs libffi
+
+download:
+	mkdir -p downloads
+
+src:
+	mkdir -p src
+
+build:
+	mkdir -p build
+
+dirs: download src build
+
+# Clean the libffi project
+clean-libffi:
+	rm -rf src/libffi-$(FFI_VERSION)
+	rm -rf build/ffi.framework
+
+# Down original libffi source code archive.
+downloads/libffi-$(FFI_VERSION).tar.gz:
+	curl -L ftp://sourceware.org/pub/libffi/libffi-$(FFI_VERSION).tar.gz > downloads/libffi-$(FFI_VERSION).tar.gz
+
+# Unpack libffi source archive into src working directory
+src/libffi-$(FFI_VERSION): downloads/libffi-$(FFI_VERSION).tar.gz
+	tar xvf downloads/libffi-$(FFI_VERSION).tar.gz
+	mv libffi-$(FFI_VERSION) src
+
+# Patch libffi source with iOS patches
+# Produce a dummy ".patches-applied" file to mark that this has happened.
+src/libffi-$(FFI_VERSION)/.patches-applied: src/libffi-$(FFI_VERSION)
+	cd src/libffi-$(FFI_VERSION) && patch -p1 < ../../patch/libffi/$(FFI_VERSION)/ffi-sysv.S.patch
+	cd src/libffi-$(FFI_VERSION) && patch -p1 < ../../patch/libffi/$(FFI_VERSION)/project.pbxproj.patch
+	touch src/libffi-$(FFI_VERSION)/.patches-applied
+
+# Generate iOS specific source and headers
+src/libffi-$(FFI_VERSION)/ios/include/ffi.h: src/libffi-$(FFI_VERSION)/.patches-applied
+	cd src/libffi-$(FFI_VERSION) && python generate-ios-source-and-headers.py
+
+# Build the iOS project
+src/libffi-$(FFI_VERSION)/build/Release-universal/ffi.framework: src/libffi-$(FFI_VERSION)/ios/include/ffi.h
+	cd src/libffi-$(FFI_VERSION) && xcodebuild -project libffi.xcodeproj -target "Framework" -configuration Release -sdk iphoneos$(SDKVER) OTHER_CFLAGS="-no-integrated-as"
+
+# Collate the libffi project
+libffi: clean-libffi src/libffi-$(FFI_VERSION)/build/Release-universal/ffi.framework
+	cp -a src/libffi-$(FFI_VERSION)/build/Release-universal/ffi.framework build
+
+# Clean all builds
+clean:
+	rm -rf src build
+
+# Full clean - includes all downloaded products
+distclean: clean
+	rm -rf downloads