43 lines
1.6 KiB
CMake
43 lines
1.6 KiB
CMake
cmake_minimum_required(VERSION 3.13.4)
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if (NOT IS_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/../libunwind")
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message(FATAL_ERROR "llvm-libgcc requires being built in a monorepo layout with libunwind available")
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endif()
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set(LLVM_COMMON_CMAKE_UTILS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
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list(APPEND CMAKE_MODULE_PATH
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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"${CMAKE_CURRENT_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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project(llvm-libgcc LANGUAGES C CXX ASM)
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if(NOT LLVM_LIBGCC_EXPLICIT_OPT_IN)
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message(FATAL_ERROR
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"llvm-libgcc is not for the casual LLVM user. It is intended to be used by distro "
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"managers who want to replace libgcc with compiler-rt and libunwind, but cannot "
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"fully abandon the libgcc family (e.g. because they are dependent on glibc). Such "
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"managers must have worked out their compatibility requirements ahead of using "
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"llvm-libgcc. If you want to build llvm-libgcc, please add -DLLVM_LIBGCC_EXPLICIT_OPT_IN=Yes "
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"to your CMake invocation and try again.")
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endif()
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib${LLVMLIB_DIR_SUFFIX}")
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib${LLVMLIB_DIR_SUFFIX}")
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
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set(COMPILER_RT_BUILD_BUILTINS On)
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set(COMPILER_RT_BUILTINS_HIDE_SYMBOLS Off)
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add_subdirectory("../compiler-rt" "compiler-rt")
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set(LIBUNWIND_ENABLE_STATIC On)
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set(LIBUNWIND_ENABLE_SHARED Off)
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set(LIBUNWIND_HAS_COMMENT_LIB_PRAGMA Off)
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set(LIBUNWIND_USE_COMPILER_RT On)
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add_subdirectory("../libunwind" "libunwind")
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add_subdirectory(lib)
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