<rdar://problem/9624306> clean up darwin platform to use xcrun. Set up variables in darwin_bni.mk. Use GetCNAVar in AppleBI.mk

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@133487 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 36 insertions, 25 deletions

diff --git a/make/AppleBI.mk b/make/AppleBI.mk
index 0e3473d51..c1b0974eb 100644
--- a/make/AppleBI.mk
+++ b/make/AppleBI.mk
@@ -14,17 +14,12 @@ endif
 
 ifeq (,$(SDKROOT))
 	INSTALL_TARGET = install-MacOSX
-    LD_OTHER_FLAGS =
 else
 	INSTALL_TARGET = install-iOS
-	CFLAGS.Release.armv6 := $(CFLAGS) -Wall -Os -fomit-frame-pointer -g -isysroot $(SDKROOT)
-	CFLAGS.Release.armv7 := $(CFLAGS) -Wall -Os -fomit-frame-pointer -g -isysroot $(SDKROOT)
-	CFLAGS.Static.armv6  := $(CFLAGS) -Wall -Os -fomit-frame-pointer -g -isysroot $(SDKROOT) -static 
-	CFLAGS.Static.armv7  := $(CFLAGS) -Wall -Os -fomit-frame-pointer -g -isysroot $(SDKROOT) -static 
-    LD_OTHER_FLAGS = -Wl,-alias_list,$(SRCROOT)/lib/arm/softfloat-alias.list -isysroot $(SDKROOT)
 endif
 
 
+
 # Log full compile lines in B&I logs and omit summary lines.
 Verb :=
 Summary := @true
@@ -49,7 +44,7 @@ install-MacOSX : $(SYMROOT)/libcompiler_rt.dylib \
 	cp $(SYMROOT)/libcompiler_rt-dyld.a  \
 				    $(DSTROOT)/usr/local/lib/dyld/libcompiler_rt.a
 	mkdir -p $(DSTROOT)/usr/lib/system
-	strip -S $(SYMROOT)/libcompiler_rt.dylib \
+	$(call GetCNAVar,STRIP,Platform.darwin_bni,Release,) -S $(SYMROOT)/libcompiler_rt.dylib \
 	    -o $(DSTROOT)/usr/lib/system/libcompiler_rt.dylib
 	cd $(DSTROOT)/usr/lib/system; \
 	    ln -s libcompiler_rt.dylib libcompiler_rt_profile.dylib; \
@@ -58,16 +53,17 @@ install-MacOSX : $(SYMROOT)/libcompiler_rt.dylib \
 # Rule to make each dylib slice
 $(OBJROOT)/libcompiler_rt-%.dylib : $(OBJROOT)/darwin_bni/Release/%/libcompiler_rt.a
 	echo "const char vers[] = \"@(#) $(RC_ProjectName)-$(RC_ProjectSourceVersion)\"; " > $(OBJROOT)/version.c
-	$(CC.Release) $(OBJROOT)/version.c -arch $* -dynamiclib \
+	$(call GetCNAVar,CC,Platform.darwin_bni,Release,$*) \
+	   $(OBJROOT)/version.c -arch $* -dynamiclib \
 	   -install_name /usr/lib/system/libcompiler_rt.dylib \
 	   -compatibility_version 1 -current_version $(RC_ProjectSourceVersion) \
 	   -nodefaultlibs -lSystem -umbrella System -dead_strip \
-	   $(LD_OTHER_FLAGS) -Wl,-force_load,$^ -o $@ 
+	   $(DYLIB_FLAGS) -Wl,-force_load,$^ -o $@ 
 
 # Rule to make fat dylib
 $(SYMROOT)/libcompiler_rt.dylib: $(foreach arch,$(RC_ARCHS), \
                                         $(OBJROOT)/libcompiler_rt-$(arch).dylib)
-	lipo -create $^ -o  $@
+	$(call GetCNAVar,LIPO,Platform.darwin_bni,Release,) -create $^ -o  $@
 
 
 
@@ -83,25 +79,27 @@ install-iOS: $(SYMROOT)/libcompiler_rt-static.a \
 	cp $(SYMROOT)/libcompiler_rt-dyld.a  \
 				    $(DSTROOT)/usr/local/lib/dyld/libcompiler_rt.a
 	mkdir -p $(DSTROOT)/usr/lib/system
-	strip -S $(SYMROOT)/libcompiler_rt.dylib \
+	$(call GetCNAVar,STRIP,Platform.darwin_bni,Release,) -S $(SYMROOT)/libcompiler_rt.dylib \
 	    -o $(DSTROOT)/usr/lib/system/libcompiler_rt.dylib
 
 	
 # Rule to make fat archive
 $(SYMROOT)/libcompiler_rt-static.a : $(foreach arch,$(RC_ARCHS), \
                          $(OBJROOT)/darwin_bni/Static/$(arch)/libcompiler_rt.a)
-	lipo -create $^ -o  $@
+	$(call GetCNAVar,LIPO,Platform.darwin_bni,Release,) -create $^ -o  $@
 
-# rule to make each archive slice for dyld
+# rule to make each archive slice for dyld (which removes a few archive members)
 $(OBJROOT)/libcompiler_rt-dyld-%.a : $(OBJROOT)/darwin_bni/Release/%/libcompiler_rt.a
 	cp $^ $@
-	ar -d $@ apple_versioning.o
-	ar -d $@ gcc_personality_v0.o
-	ar -d $@ eprintf.o
-	ranlib $@
+	DEL_LIST=`$(AR)  -t $@ | egrep 'apple_versioning|gcc_personality_v0|eprintf' | xargs echo` ; \
+	if [ -n "$${DEL_LIST}" ] ; \
+	then  \
+		$(call GetCNAVar,AR,Platform.darwin_bni,Release,) -d $@ $${DEL_LIST}; \
+		$(call GetCNAVar,RANLIB,Platform.darwin_bni,Release,) $@ ; \
+	fi
 
 # rule to make make archive for dyld
 $(SYMROOT)/libcompiler_rt-dyld.a : $(foreach arch,$(RC_ARCHS), \
                          $(OBJROOT)/libcompiler_rt-dyld-$(arch).a)
-	lipo -create $^ -o  $@
+	$(call GetCNAVar,LIPO,Platform.darwin_bni,Release,) -create $^ -o  $@
 
diff --git a/make/platform/darwin_bni.mk b/make/platform/darwin_bni.mk
index 73446f990..8b61ab320 100644
--- a/make/platform/darwin_bni.mk
+++ b/make/platform/darwin_bni.mk
@@ -8,17 +8,30 @@ Configs := Debug Release Profile Static
 # and the resulting lib will just have generic versions for anything unknown.
 UniversalArchs := $(RC_ARCHS)
 
-ifeq (,$(SDKROOT))
-	CC.Release := $(CC)
-	CC.Static  := $(CC)
+ifneq (,$(SDKROOT))
+	override CC := $(shell xcrun -sdk $(SDKROOT) -find clang) 
+	AR := $(shell xcrun -sdk $(SDKROOT) -find ar) 
+	RANLIB := $(shell xcrun -sdk $(SDKROOT) -find ranlib) 
+	STRIP := $(shell xcrun -sdk $(SDKROOT) -find strip) 
+	LIPO := $(shell xcrun -sdk $(SDKROOT) -find lipo)
+endif
+
+ifneq ($(IPHONEOS_DEPLOYMENT_TARGET),)
+	DEPLOYMENT_FLAGS := -miphoneos-version-min=$(IPHONEOS_DEPLOYMENT_TARGET) 
 else
-	CC.Release := /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/cc
-	CC.Static  := /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/cc
+	ifneq ($(MACOSX_DEPLOYMENT_TARGET),)
+		DEPLOYMENT_FLAGS := -mmacosx-version-min=$(MACOSX_DEPLOYMENT_TARGET) 
+	endif
 endif
 
+ifneq (,$(SDKROOT))
+	DEPLOYMENT_FLAGS += -isysroot $(SDKROOT)
+endif
 
-CFLAGS := -Wall -Os -fomit-frame-pointer -g
-CFLAGS.Static := $(CFLAGS) -static
+CFLAGS := -Wall -Os -fomit-frame-pointer -g $(DEPLOYMENT_FLAGS)
+CFLAGS.Static := $(CFLAGS) -static  
+DYLIB_FLAGS := $(DEPLOYMENT_FLAGS) \
+		-Xarch_arm -Wl,-alias_list,$(SRCROOT)/lib/arm/softfloat-alias.list
 
 VISIBILITY_HIDDEN := 0
 VISIBILITY_HIDDEN.Static  := 1