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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
cmake_minimum_required(VERSION 3.20.0)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
project(CompilerRTCRT C)
set(COMPILER_RT_STANDALONE_BUILD TRUE)
set(COMPILER_RT_CRT_STANDALONE_BUILD TRUE)
set(COMPILER_RT_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
set(LLVM_COMMON_CMAKE_UTILS "${COMPILER_RT_SOURCE_DIR}/../cmake")
# Add path for custom modules
list(INSERT CMAKE_MODULE_PATH 0
"${COMPILER_RT_SOURCE_DIR}/cmake"
"${COMPILER_RT_SOURCE_DIR}/cmake/Modules"
"${LLVM_COMMON_CMAKE_UTILS}"
"${LLVM_COMMON_CMAKE_UTILS}/Modules"
)
include(base-config-ix)
include(CompilerRTUtils)
load_llvm_config()
construct_compiler_rt_default_triple()
include(SetPlatformToolchainTools)
include(AddCompilerRT)
endif()
include(crt-config-ix)
if(COMPILER_RT_HAS_CRT)
add_compiler_rt_component(crt)
include(CheckSectionExists)
check_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY
SOURCE "volatile int x;\n__attribute__((constructor)) void f(void) {x = 0;}\nint main(void) { return 0; }\n")
append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 CRT_CFLAGS)
append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
append_list_if(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY -DEH_USE_FRAME_REGISTRY CRT_CFLAGS)
append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic CRT_CFLAGS)
if (COMPILER_RT_HAS_FCF_PROTECTION_FLAG)
append_list_if(COMPILER_RT_ENABLE_CET -fcf-protection=full CRT_CFLAGS)
endif()
foreach(arch ${CRT_SUPPORTED_ARCH})
add_compiler_rt_runtime(clang_rt.crtbegin
OBJECT
ARCHS ${arch}
SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c
CFLAGS ${CRT_CFLAGS}
PARENT_TARGET crt)
add_compiler_rt_runtime(clang_rt.crtend
OBJECT
ARCHS ${arch}
SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
CFLAGS ${CRT_CFLAGS}
PARENT_TARGET crt)
endforeach()
endif()
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