64 lines
2.0 KiB
CMake
64 lines
2.0 KiB
CMake
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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cmake_minimum_required(VERSION 3.13.4)
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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project(CompilerRTCRT C)
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set(COMPILER_RT_STANDALONE_BUILD TRUE)
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set(COMPILER_RT_CRT_STANDALONE_BUILD TRUE)
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set(COMPILER_RT_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
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set(LLVM_COMMON_CMAKE_UTILS "${COMPILER_RT_SOURCE_DIR}/../cmake")
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# Add path for custom modules
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list(INSERT CMAKE_MODULE_PATH 0
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"${COMPILER_RT_SOURCE_DIR}/cmake"
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"${COMPILER_RT_SOURCE_DIR}/cmake/Modules"
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"${LLVM_COMMON_CMAKE_UTILS}"
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"${LLVM_COMMON_CMAKE_UTILS}/Modules"
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)
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include(base-config-ix)
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include(CompilerRTUtils)
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load_llvm_config()
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construct_compiler_rt_default_triple()
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include(SetPlatformToolchainTools)
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include(AddCompilerRT)
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endif()
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include(crt-config-ix)
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if(COMPILER_RT_HAS_CRT)
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add_compiler_rt_component(crt)
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include(CheckSectionExists)
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check_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY
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SOURCE "volatile int x;\n__attribute__((constructor)) void f(void) {x = 0;}\nint main(void) { return 0; }\n")
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append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 CRT_CFLAGS)
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append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
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append_list_if(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY -DEH_USE_FRAME_REGISTRY CRT_CFLAGS)
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append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
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append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic CRT_CFLAGS)
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if (COMPILER_RT_HAS_FCF_PROTECTION_FLAG)
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append_list_if(COMPILER_RT_ENABLE_CET -fcf-protection=full CRT_CFLAGS)
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endif()
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foreach(arch ${CRT_SUPPORTED_ARCH})
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add_compiler_rt_runtime(clang_rt.crtbegin
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OBJECT
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ARCHS ${arch}
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SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c
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CFLAGS ${CRT_CFLAGS}
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PARENT_TARGET crt)
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add_compiler_rt_runtime(clang_rt.crtend
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OBJECT
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ARCHS ${arch}
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SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
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CFLAGS ${CRT_CFLAGS}
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PARENT_TARGET crt)
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endforeach()
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endif()
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