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