mirror of
https://github.com/darlinghq/darling-objc4.git
synced 2024-11-23 12:19:48 +00:00
117 lines
3.7 KiB
CMake
117 lines
3.7 KiB
CMake
project(objc4)
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cmake_minimum_required(VERSION 3.10)
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enable_language(C CXX ASM)
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add_compile_options(
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-Wno-unused-command-line-argument
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)
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if(COMMAND cmake_policy)
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cmake_policy(SET CMP0003 NEW)
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cmake_policy(SET CMP0005 NEW)
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endif(COMMAND cmake_policy)
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add_definitions(-D__STDC_NO_ATOMICS__)
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# Override DEBUG CFLAGS because -O0 has been triggering strange bugs
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set(CMAKE_C_FLAGS_DEBUG "-ggdb -DOBJC_IS_DEBUG_BUILD=1")
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set(CMAKE_CXX_FLAGS_DEBUG "-ggdb -DOBJC_IS_DEBUG_BUILD=1")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc -O2 -D__DARWIN_UNIX03 -fPIC -fblocks -fobjc-legacy-dispatch -fvisibility-inlines-hidden -fstrict-aliasing")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc -nostdinc++ -O2 -std=gnu++14 -D__DARWIN_UNIX03 -fPIC -fblocks -fobjc-legacy-dispatch \
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-fno-rtti -fno-exceptions -Wno-c++11-narrowing -fvisibility-inlines-hidden -Wno-invalid-offsetof -Wno-deprecated-objc-isa-usage \
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-Wno-cast-of-sel-type -Wstrict-aliasing=2 -Wstrict-overflow=4 -fstrict-aliasing")
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add_definitions(-DOBJC_NO_GC -DOBJC_IS_DEBUG_BUILD=1)
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add_definitions(-DTARGET_OS_IPHONE=0 -DOS_OBJECT_USE_OBJC=0 -D_LIBCPP_VISIBLE="")
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include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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set(objc_SRCS
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maptable.mm
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hashtable2.mm
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NSObject.mm
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objc-accessors.mm
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objc-auto.mm
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objc-block-trampolines.mm
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objc-cache.mm
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objc-cache-old.mm
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objc-class.mm
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objc-class-old.mm
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objc-errors.mm
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objc-exception.mm
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objc-file.mm
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objc-file-old.mm
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objc-initialize.mm
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objc-layout.mm
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objc-loadmethod.mm
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objc-load.mm
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objc-lockdebug.mm
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objc-opt.mm
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objc-os.mm
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objc-references.mm
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objc-runtime.mm
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objc-runtime-new.mm
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objc-runtime-old.mm
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objc-sel.mm
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objc-sel-old.mm
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objc-sel-set.mm
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objc-sync.mm
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objc-typeencoding.mm
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objc-weak.mm
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objc-zalloc.mm
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Object.mm
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Protocol.mm
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objc-blocktramps-arm.S
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objc-blocktramps-arm64.S
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objc-blocktramps-i386.S
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objc-blocktramps-x86_64.S
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objc-sel-table.S
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Messengers.subproj/objc-msg-arm.S
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Messengers.subproj/objc-msg-arm64.S
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Messengers.subproj/objc-msg-i386.S
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Messengers.subproj/objc-msg-x86_64.S
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)
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set(DYLIB_INSTALL_NAME "/usr/lib/libobjc.A.dylib")
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set(DYLIB_COMPAT_VERSION "1.0.0")
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set(DYLIB_CURRENT_VERSION "228.0.0")
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add_circular(objc FAT
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SOURCES ${objc_SRCS}
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SIBLINGS system_c system_malloc system_dyld system_blocks unwind system_m macho platform system_kernel system_pthread compiler_rt libdispatch_shared
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DEPENDENCIES cxx cxxabi
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)
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target_link_options(objc PRIVATE
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-Wl,-sectalign,__DATA,__objc_data,0x1000
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"-Wl,-interposable_list,${CMAKE_CURRENT_SOURCE_DIR}/../interposable.txt"
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# not listed anywhere in Apple's project, and there's no `__mod_init_func` or `__objc_init_func` sections in the `libobjc` bundled with macOS,
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# but it's necessary for libobjc to initialize it's own C++ globals before the runtime is initialized
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# (i'm guessing they renamed the section so that the functions in it wouldn't get called twice: once by libobjc and once by dyld)
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-Wl,-rename_section,__DATA,__mod_init_func,__DATA,__objc_init_func
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"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../unexported_symbols"
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)
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set_target_properties(objc PROPERTIES OUTPUT_NAME "objc.A")
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InstallSymlink("libobjc.A.dylib" "${CMAKE_INSTALL_PREFIX}/libexec/darling/usr/lib/libobjc.dylib")
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set(DYLIB_INSTALL_NAME "/usr/lib/libobjc-trampolines.dylib")
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set(DYLIB_COMPAT_VERSION "1.0.0")
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set(DYLIB_CURRENT_VERSION "228.0.0")
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add_darling_library(objc-trampolines
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dummy.c # necessary to trick CMake into creating a dylib using only assembly files
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objc-blocktramps-arm.S
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objc-blocktramps-i386.S
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objc-blocktramps-x86_64.S
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objc-blocktramps-arm64.S
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)
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target_link_libraries(objc-trampolines PRIVATE
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system
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)
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target_link_options(objc-trampolines PRIVATE
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-Wl,-not_for_dyld_shared_cache
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)
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install(TARGETS objc objc-trampolines DESTINATION libexec/darling/usr/lib)
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