diff options
Diffstat (limited to 'make/platform/clang_darwin.mk')
-rw-r--r-- | make/platform/clang_darwin.mk | 88 |
1 files changed, 52 insertions, 36 deletions
diff --git a/make/platform/clang_darwin.mk b/make/platform/clang_darwin.mk index ad79f77bf..7b73dc54a 100644 --- a/make/platform/clang_darwin.mk +++ b/make/platform/clang_darwin.mk @@ -6,16 +6,21 @@ Description := Static runtime libraries for clang/Darwin. -# A function that ensures we don't try to build for architectures that we -# don't have working toolchains for. +# A function that ensures we don't try to build for architectures and SDKs +# that we don't have working toolchains for. Arguments: +# (1): List of architectures +# (2): Library name +# (3): SDK path +# The result is a possibly empty subset of the architectures from argument 1. CheckArches = \ $(shell \ result=""; \ - for arch in $(1); do \ + if [ "X$(3)" != X ]; then \ + for arch in $(1); do \ if $(CC) -arch $$arch -c \ -integrated-as \ $(ProjSrcRoot)/make/platform/clang_darwin_test_input.c \ - -isysroot $(ProjSrcRoot)/SDKs/darwin \ + -isysroot $(3) \ -o /dev/null > /dev/null 2> /dev/null; then \ if $(LD) -v 2>&1 | grep "configured to support" \ | tr ' ' '\n' | grep "^$$arch$$" >/dev/null 2>/dev/null; then \ @@ -30,7 +35,8 @@ CheckArches = \ "warning: clang_darwin.mk: dropping arch '$$arch' from lib '$(2)'"; \ printf 1>&2 " (clang does not support it)\n"; \ fi; \ - done; \ + done; \ + fi; \ echo $$result) XCRun = \ @@ -53,6 +59,10 @@ STRIP := $(call XCRun,strip) LIPO := $(call XCRun,lipo) DSYMUTIL := $(call XCRun,dsymutil) +OSX_SDK := $(call XCRunSdkPath,macosx) +IOS_SDK := $(call XCRunSdkPath,iphoneos) +IOSSIM_SDK := $(call XCRunSdkPath,iphonesimulator) + Configs := UniversalArchs := @@ -60,51 +70,53 @@ UniversalArchs := # still be referenced from Darwin system headers. This symbol is only ever # needed on i386. Configs += eprintf -UniversalArchs.eprintf := $(call CheckArches,i386,eprintf) +UniversalArchs.eprintf := $(call CheckArches,i386,eprintf,$(OSX_SDK)) # Configuration for targeting 10.4. We need a few functions missing from # libgcc_s.10.4.dylib. We only build x86 slices since clang doesn't really # support targeting PowerPC. Configs += 10.4 -UniversalArchs.10.4 := $(call CheckArches,i386 x86_64,10.4) +UniversalArchs.10.4 := $(call CheckArches,i386 x86_64,10.4,$(OSX_SDK)) # Configuration for targeting iOS for a couple of functions that didn't # make it into libSystem. Configs += ios -UniversalArchs.ios := $(call CheckArches,i386 x86_64 armv7 arm64,ios) +UniversalArchs.ios := $(call CheckArches,i386 x86_64,ios,$(IOSSIM_SDK)) +UniversalArchs.ios += $(call CheckArches,armv7 arm64,ios,$(IOS_SDK)) # Configuration for targeting OSX. These functions may not be in libSystem # so we should provide our own. Configs += osx -UniversalArchs.osx := $(call CheckArches,i386 x86_64 x86_64h,osx) +UniversalArchs.osx := $(call CheckArches,i386 x86_64 x86_64h,osx,$(OSX_SDK)) # Configuration for use with kernel/kexts. Configs += cc_kext -UniversalArchs.cc_kext := $(call CheckArches,armv7 arm64 i386 x86_64 x86_64h,cc_kext) +UniversalArchs.cc_kext := $(call CheckArches,i386 x86_64 x86_64h,cc_kext,$(OSX_SDK)) +UniversalArchs.cc_kext += $(call CheckArches,armv7 arm64,cc_kext,$(IOS_SDK)) # Configuration for use with kernel/kexts for iOS 5.0 and earlier (which used -# a different code generation strategy). +# a different code generation strategy). Note: the x86_64 slice is unused but +# it avoids build problems (see pr14013). Configs += cc_kext_ios5 -UniversalArchs.cc_kext_ios5 := $(call CheckArches,x86_64 armv7,cc_kext_ios5) +UniversalArchs.cc_kext_ios5 := $(call CheckArches,x86_64,cc_kext_ios5,$(IOSSIM_SDK)) +UniversalArchs.cc_kext_ios5 += $(call CheckArches,armv7,cc_kext_ios5,$(IOS_SDK)) # Configurations which define the profiling support functions. Configs += profile_osx -UniversalArchs.profile_osx := $(call CheckArches,i386 x86_64 x86_64h,profile_osx) +UniversalArchs.profile_osx := $(call CheckArches,i386 x86_64 x86_64h,profile_osx,$(OSX_SDK)) Configs += profile_ios -UniversalArchs.profile_ios := $(call CheckArches,i386 x86_64 armv7 arm64,profile_ios) +UniversalArchs.profile_ios := $(call CheckArches,i386 x86_64,profile_ios,$(IOSSIM_SDK)) +UniversalArchs.profile_ios += $(call CheckArches,armv7 arm64,profile_ios,$(IOS_SDK)) # Configurations which define the ASAN support functions. Configs += asan_osx_dynamic -UniversalArchs.asan_osx_dynamic := $(call CheckArches,i386 x86_64 x86_64h,asan_osx_dynamic) +UniversalArchs.asan_osx_dynamic := $(call CheckArches,i386 x86_64 x86_64h,asan_osx_dynamic,$(OSX_SDK)) -IOSSIM_SDK_PATH := $(call XCRunSdkPath,iphonesimulator) -ifneq ($(IOSSIM_SDK_PATH),) Configs += asan_iossim_dynamic -UniversalArchs.asan_iossim_dynamic := $(call CheckArches,i386 x86_64,asan_iossim_dynamic) -endif +UniversalArchs.asan_iossim_dynamic := $(call CheckArches,i386 x86_64,asan_iossim_dynamic,$(IOSSIM_SDK)) Configs += ubsan_osx -UniversalArchs.ubsan_osx := $(call CheckArches,i386 x86_64 x86_64h,ubsan_osx) +UniversalArchs.ubsan_osx := $(call CheckArches,i386 x86_64 x86_64h,ubsan_osx,$(OSX_SDK)) # Darwin 10.6 has a bug in cctools that makes it unable to use ranlib on our ARM # object files. If we are on that platform, strip out all ARM archs. We still @@ -119,17 +131,18 @@ endif # If RC_SUPPORTED_ARCHS is defined, treat it as a list of the architectures we # are intended to support and limit what we try to build to that. -# -# We make sure to remove empty configs if we end up dropping all the requested -# archs for a particular config. ifneq ($(RC_SUPPORTED_ARCHS),) $(foreach config,$(Configs),\ $(call Set,UniversalArchs.$(config),\ - $(filter $(RC_SUPPORTED_ARCHS),$(UniversalArchs.$(config))))\ - $(if $(UniversalArchs.$(config)),,\ - $(call Set,Configs,$(filter-out $(config),$(Configs))))) + $(filter $(RC_SUPPORTED_ARCHS),$(UniversalArchs.$(config)))) endif +# Remove empty configs if we end up dropping all the requested +# archs for a particular config. +$(foreach config,$(Configs),\ + $(if $(strip $(UniversalArchs.$(config))),,\ + $(call Set,Configs,$(filter-out $(config),$(Configs))))) + ### # Forcibly strip off any -arch, as that totally breaks our universal support. @@ -147,28 +160,31 @@ IOS_DEPLOYMENT_ARGS := -mios-version-min=1.0 IOS6_DEPLOYMENT_ARGS := -mios-version-min=6.0 IOSSIM_DEPLOYMENT_ARGS := -mios-simulator-version-min=1.0 -# Use our stub SDK as the sysroot to support more portable building. -OSX_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin -IOS_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin -IOS6_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin -IOSSIM_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin +OSX_DEPLOYMENT_ARGS += -isysroot $(OSX_SDK) +IOS_DEPLOYMENT_ARGS += -isysroot $(IOS_SDK) +IOS6_DEPLOYMENT_ARGS += -isysroot $(IOS_SDK) +IOSSIM_DEPLOYMENT_ARGS += -isysroot $(IOSSIM_SDK) CFLAGS.eprintf := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS) CFLAGS.10.4 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS) -# FIXME: We can't build ASAN with our stub SDK yet. + CFLAGS.asan_osx_dynamic := \ - $(CFLAGS) -mmacosx-version-min=10.7 -fno-builtin \ + $(CFLAGS) -mmacosx-version-min=10.7 \ + -isysroot $(OSX_SDK) \ + -fno-builtin \ -gline-tables-only \ -DMAC_INTERPOSE_FUNCTIONS=1 CFLAGS.asan_iossim_dynamic := \ $(CFLAGS) -mios-simulator-version-min=7.0 \ - -isysroot $(IOSSIM_SDK_PATH) \ + -isysroot $(IOSSIM_SDK) \ -fno-builtin \ -gline-tables-only \ -DMAC_INTERPOSE_FUNCTIONS=1 -CFLAGS.ubsan_osx := $(CFLAGS) -mmacosx-version-min=10.6 -fno-builtin +CFLAGS.ubsan_osx := $(CFLAGS) -mmacosx-version-min=10.6 \ + -isysroot $(OSX_SDK) \ + -fno-builtin CFLAGS.ios.i386 := $(CFLAGS) $(IOSSIM_DEPLOYMENT_ARGS) CFLAGS.ios.x86_64 := $(CFLAGS) $(IOSSIM_DEPLOYMENT_ARGS) @@ -209,7 +225,7 @@ SHARED_LIBRARY.asan_iossim_dynamic := 1 # or -Wl,-syslibroot. LDFLAGS.asan_iossim_dynamic := -undefined dynamic_lookup -install_name @rpath/libclang_rt.asan_iossim_dynamic.dylib \ -Wl,-ios_simulator_version_min,7.0.0 \ - -mios-simulator-version-min=7.0 -isysroot $(IOSSIM_SDK_PATH) + -mios-simulator-version-min=7.0 -isysroot $(IOSSIM_SDK) FUNCTIONS.eprintf := eprintf FUNCTIONS.10.4 := eprintf floatundidf floatundisf floatundixf |