diff options
Diffstat (limited to 'depends/hosts/darwin.mk')
| -rw-r--r-- | depends/hosts/darwin.mk | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk index 0d4fab937d..6099fd4c71 100644 --- a/depends/hosts/darwin.mk +++ b/depends/hosts/darwin.mk @@ -6,10 +6,30 @@ LD64_VERSION=530 OSX_SDK=$(SDK_PATH)/Xcode-$(XCODE_VERSION)-$(XCODE_BUILD_ID)-extracted-SDK-with-libcxx-headers -# When cross-compiling for Darwin using Clang, -mlinker-version must be passed to -# ensure that modern linker features are enabled. -darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -stdlib=libc++ -mlinker-version=$(LD64_VERSION) +# 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. +# +# -nostdinc++ -isystem $(OSX_SDK)/usr/include/c++/v1 +# +# Forces clang to use the libc++ headers from our SDK and completely +# forget about the libc++ headers from the standard directories +# +# TODO: Once we start requiring a clang version that has the +# -stdlib++-isystem<directory> flag first introduced here: +# https://reviews.llvm.org/D64089, we should use that instead. Read the +# differential summary there for more details. +# +darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -B$(build_prefix)/bin +darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -stdlib=libc++ -mlinker-version=$(LD64_VERSION) -B$(build_prefix)/bin -nostdinc++ -isystem $(OSX_SDK)/usr/include/c++/v1 darwin_CFLAGS=-pipe darwin_CXXFLAGS=$(darwin_CFLAGS) @@ -20,5 +40,11 @@ darwin_release_CXXFLAGS=$(darwin_release_CFLAGS) darwin_debug_CFLAGS=-O1 darwin_debug_CXXFLAGS=$(darwin_debug_CFLAGS) +darwin_native_binutils=native_cctools +ifeq ($(strip $(FORCE_USE_SYSTEM_CLANG)),) darwin_native_toolchain=native_cctools +else +darwin_native_toolchain= +endif + darwin_cmake_system=Darwin |