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108 lines
4.1 KiB
108 lines
4.1 KiB
OSX_MIN_VERSION=10.15
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OSX_SDK_VERSION=11.0
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XCODE_VERSION=12.2
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XCODE_BUILD_ID=12B45b
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LD64_VERSION=609
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OSX_SDK=$(SDK_PATH)/Xcode-$(XCODE_VERSION)-$(XCODE_BUILD_ID)-extracted-SDK-with-libcxx-headers
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darwin_native_binutils=native_cctools
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ifeq ($(strip $(FORCE_USE_SYSTEM_CLANG)),)
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# FORCE_USE_SYSTEM_CLANG is empty, so we use our depends-managed, pinned clang
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# from llvm.org
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# Clang is a dependency of native_cctools when FORCE_USE_SYSTEM_CLANG is empty
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darwin_native_toolchain=native_cctools
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clang_prog=$(build_prefix)/bin/clang
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clangxx_prog=$(clang_prog)++
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llvm_config_prog=$(build_prefix)/bin/llvm-config
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else
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# FORCE_USE_SYSTEM_CLANG is non-empty, so we use the clang from the user's
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# system
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darwin_native_toolchain=
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# We can't just use $(shell command -v clang) because GNU Make handles builtins
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# in a special way and doesn't know that `command` is a POSIX-standard builtin
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# prior to 1af314465e5dfe3e8baa839a32a72e83c04f26ef, first released in v4.2.90.
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# At the time of writing, GNU Make v4.2.1 is still being used in supported
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# distro releases.
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#
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# Source: https://lists.gnu.org/archive/html/bug-make/2017-11/msg00017.html
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clang_prog=$(shell $(SHELL) $(.SHELLFLAGS) "command -v clang")
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clangxx_prog=$(shell $(SHELL) $(.SHELLFLAGS) "command -v clang++")
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llvm_config_prog=$(shell $(SHELL) $(.SHELLFLAGS) "command -v llvm-config")
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llvm_lib_dir=$(shell $(llvm_config_prog) --libdir)
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endif
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cctools_TOOLS=AR RANLIB STRIP NM LIBTOOL OTOOL INSTALL_NAME_TOOL DSYMUTIL
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# Make-only lowercase function
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lc = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
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# For well-known tools provided by cctools, make sure that their well-known
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# variable is set to the full path of the tool, just like how AC_PATH_{TOO,PROG}
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# would.
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$(foreach TOOL,$(cctools_TOOLS),$(eval darwin_$(TOOL) = $$(build_prefix)/bin/$$(host)-$(call lc,$(TOOL))))
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# Flag explanations:
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#
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# -mlinker-version
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#
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# Ensures that modern linker features are enabled. See here for more
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# details: https://github.com/bitcoin/bitcoin/pull/19407.
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#
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# -B$(build_prefix)/bin
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#
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# Explicitly point to our binaries (e.g. cctools) so that they are
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# ensured to be found and preferred over other possibilities.
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#
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# -isysroot$(OSX_SDK) -nostdlibinc
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#
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# Disable default include paths built into the compiler as well as
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# those normally included for libc and libc++. The only path that
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# remains implicitly is the clang resource dir.
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#
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# -iwithsysroot / -iframeworkwithsysroot
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#
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# Adds the desired paths from the SDK
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#
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darwin_CC=env -u C_INCLUDE_PATH -u CPLUS_INCLUDE_PATH \
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-u OBJC_INCLUDE_PATH -u OBJCPLUS_INCLUDE_PATH -u CPATH \
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-u LIBRARY_PATH \
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$(clang_prog) --target=$(host) -mmacosx-version-min=$(OSX_MIN_VERSION) \
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-B$(build_prefix)/bin -mlinker-version=$(LD64_VERSION) \
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-isysroot$(OSX_SDK) -nostdlibinc \
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-iwithsysroot/usr/include -iframeworkwithsysroot/System/Library/Frameworks
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darwin_CXX=env -u C_INCLUDE_PATH -u CPLUS_INCLUDE_PATH \
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-u OBJC_INCLUDE_PATH -u OBJCPLUS_INCLUDE_PATH -u CPATH \
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-u LIBRARY_PATH \
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$(clangxx_prog) --target=$(host) -mmacosx-version-min=$(OSX_MIN_VERSION) \
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-B$(build_prefix)/bin -mlinker-version=$(LD64_VERSION) \
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-isysroot$(OSX_SDK) -nostdlibinc \
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-iwithsysroot/usr/include/c++/v1 \
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-iwithsysroot/usr/include -iframeworkwithsysroot/System/Library/Frameworks
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darwin_CFLAGS=-pipe -std=$(C_STANDARD)
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darwin_CXXFLAGS=-pipe -std=$(CXX_STANDARD)
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ifneq ($(LTO),)
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darwin_CFLAGS += -flto
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darwin_CXXFLAGS += -flto
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darwin_LDFLAGS += -flto
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endif
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darwin_release_CFLAGS=-O2
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darwin_release_CXXFLAGS=$(darwin_release_CFLAGS)
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darwin_debug_CFLAGS=-O1
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darwin_debug_CXXFLAGS=$(darwin_debug_CFLAGS)
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darwin_cmake_system=Darwin
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