06609c64d7
The SDK is insufficient to really build much. The builtins can be built standalone now which is what the stub SDK was meant to permit. Remove the unnecessary files. llvm-svn: 230869
91 lines
2.6 KiB
Makefile
91 lines
2.6 KiB
Makefile
Description := Static runtime libraries for clang/Linux.
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###
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CC := clang
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Arch := unknown
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Configs :=
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# We don't currently have any general purpose way to target architectures other
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# than the compiler defaults (because there is no generalized way to invoke
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# cross compilers). For now, we just find the target architecture of the
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# compiler and only define configurations we know that compiler can generate.
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CompilerTargetTriple := $(shell \
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LANG=C $(CC) -v 2>&1 | grep 'Target:' | cut -d' ' -f2)
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ifeq ($(CompilerTargetTriple),)
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$(error "unable to infer compiler target triple for $(CC)")
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endif
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# Only define configs if we detected a linux target.
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ifneq ($(findstring -linux-,$(CompilerTargetTriple)),)
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# Define configs only if arch in triple is i386 or x86_64
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CompilerTargetArch := $(firstword $(subst -, ,$(CompilerTargetTriple)))
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ifeq ($(call contains,i386 x86_64,$(CompilerTargetArch)),true)
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# TryCompile compiler source flags
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# Returns exit code of running a compiler invocation.
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TryCompile = \
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$(shell \
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cflags=""; \
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for flag in $(3); do \
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cflags="$$cflags $$flag"; \
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done; \
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$(1) $$cflags $(2) -o /dev/null > /dev/null 2> /dev/null ; \
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echo $$?)
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test_source = $(ProjSrcRoot)/make/platform/clang_linux_test_input.c
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ifeq ($(CompilerTargetArch),i386)
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SupportedArches := i386
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ifeq ($(call TryCompile,$(CC),$(test_source),-m64),0)
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SupportedArches += x86_64
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endif
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else
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SupportedArches := x86_64
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ifeq ($(call TryCompile,$(CC),$(test_source),-m32),0)
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SupportedArches += i386
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endif
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endif
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# Build runtime libraries for i386.
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ifeq ($(call contains,$(SupportedArches),i386),true)
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Configs += builtins-i386 profile-i386
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Arch.builtins-i386 := i386
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Arch.profile-i386 := i386
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endif
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# Build runtime libraries for x86_64.
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ifeq ($(call contains,$(SupportedArches),x86_64),true)
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Configs += builtins-x86_64 profile-x86_64
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Arch.builtins-x86_64 := x86_64
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Arch.profile-x86_64 := x86_64
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endif
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endif
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endif
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###
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CFLAGS := -Wall -Werror -O3 -fomit-frame-pointer
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CFLAGS.builtins-i386 := $(CFLAGS) -m32
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CFLAGS.builtins-x86_64 := $(CFLAGS) -m64
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CFLAGS.profile-i386 := $(CFLAGS) -m32
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CFLAGS.profile-x86_64 := $(CFLAGS) -m64
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FUNCTIONS.builtins-i386 := $(CommonFunctions) $(ArchFunctions.i386)
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FUNCTIONS.builtins-x86_64 := $(CommonFunctions) $(ArchFunctions.x86_64)
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FUNCTIONS.profile-i386 := GCDAProfiling InstrProfiling InstrProfilingBuffer \
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InstrProfilingFile InstrProfilingPlatformOther \
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InstrProfilingRuntime
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FUNCTIONS.profile-x86_64 := $(FUNCTIONS.profile-i386)
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# Always use optimized variants.
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OPTIMIZED := 1
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# We don't need to use visibility hidden on Linux.
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VISIBILITY_HIDDEN := 0
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SHARED_LIBRARY_SUFFIX := so
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