--- /dev/null
+++ dyld/dyld-421.2/unit-tests/include/common.makefile
@@ -0,0 +1,79 @@
+# stuff to include in every test Makefile
+
+SHELL = /bin/sh
+
+# set default OS to be current Mac OS X 
+OS_NAME ?= MacOSX
+ifeq "$(OS_NAME)" "iPhoneOS"
+	OS_VERSION ?= 3.1
+	ifeq "$(findstring -$(OS_VERSION)-,-3.0-3.1-3.2-4.0-4.1-4.2-4.3-)" ""
+		OS_LION_FEATURES = 1
+	endif
+	ARCH ?= armv7
+	VALID_ARCHS ?= armv7
+else
+	OS_VERSION ?= 10.7
+	ifeq "$(findstring -$(OS_VERSION)-,-10.4-10.5-10.6-)" ""
+		OS_LION_FEATURES = 1
+	endif
+	ARCH ?= x86_64
+	VALID_ARCHS ?= "i386 x86_64"
+endif
+
+IOSROOT	= 
+
+ifeq "$(OS_NAME)" "iPhoneOS"
+	#IOSROOT		= $(shell xcodebuild -version -sdk iphoneos.internal Path)
+	IOSROOT		= /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.Internal.sdk
+	CC			= $(shell xcrun -sdk iphoneos.internal -find cc)  -arch ${ARCH} -miphoneos-version-min=$(OS_VERSION) -isysroot $(IOSROOT)
+	CXX			= $(shell xcrun -sdk iphoneos.internal -find c++) -arch ${ARCH} -miphoneos-version-min=$(OS_VERSION) -isysroot $(IOSROOT)
+	LIPO		= $(shell xcrun -sdk iphoneos.internal -find lipo)
+	STRIP		= $(shell xcrun -sdk iphoneos.internal -find strip)
+	INSTALL_NAME_TOOL = $(shell xcrun -sdk iphoneos.internal -find install_name_tool)
+else
+  ifeq "$(OSX_SDK_ROOT)" ""
+    OSX_SDK_ROOT		= $(shell xcodebuild -version -sdk macosx.internal Path)
+  endif
+	CC			= $(shell xcrun -find cc)  -arch ${ARCH} -mmacosx-version-min=$(OS_VERSION) -isysroot $(OSX_SDK_ROOT)
+	CXX			= $(shell xcrun -find c++) -arch ${ARCH} -mmacosx-version-min=$(OS_VERSION) -isysroot $(OSX_SDK_ROOT)
+	LIPO		= $(shell xcrun -find lipo)
+	STRIP		= $(shell xcrun -find strip)
+	INSTALL_NAME_TOOL = $(shell xcrun -find install_name_tool)
+endif
+
+CCFLAGS		= -Wall -std=c99
+CXXFLAGS	= -Wall 
+
+RM      = rm
+RMFLAGS = -rf
+
+SAFE_RUN	= ${TESTROOT}/bin/fail-if-non-zero.pl
+PASS_IFF	= ${TESTROOT}/bin/pass-iff-exit-zero.pl
+PASS_IFF_FAILURE = $(TESTROOT)/bin/exit-non-zero-pass.pl
+
+ifeq ($(ARCH),armv7)
+  CCFLAGS += -mno-thumb
+  CXXFLAGS += -mno-thumb
+  override FILEARCH = arm
+else
+  FILEARCH = $(ARCH)
+endif
+
+ifeq ($(ARCH),thumb)
+  CCFLAGS += -mthumb
+  CXXFLAGS += -mthumb
+  override ARCH = armv6
+  override FILEARCH = arm
+else
+  FILEARCH = $(ARCH)
+endif
+
+ifeq ($(ARCH),thumb2)
+  CCFLAGS += -mthumb
+  CXXFLAGS += -mthumb
+  override ARCH = armv7
+  override FILEARCH = arm
+else
+  FILEARCH = $(ARCH)
+endif
+