8b93263784
r243574 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@243591 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.6 KiB
CMake
81 lines
2.6 KiB
CMake
macro(find_llvm_parts)
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# Rely on llvm-config.
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set(CONFIG_OUTPUT)
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find_program(LLVM_CONFIG "llvm-config")
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if(DEFINED LLVM_PATH)
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set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include")
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set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree")
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set(LLVM_MAIN_SRC_DIR ${LLVM_PATH})
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set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules")
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elseif(LLVM_CONFIG)
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message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
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set(CONFIG_COMMAND ${LLVM_CONFIG}
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"--includedir"
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"--prefix"
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"--src-root")
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execute_process(
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COMMAND ${CONFIG_COMMAND}
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RESULT_VARIABLE HAD_ERROR
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OUTPUT_VARIABLE CONFIG_OUTPUT
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)
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if(NOT HAD_ERROR)
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string(REGEX REPLACE
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"[ \t]*[\r\n]+[ \t]*" ";"
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CONFIG_OUTPUT ${CONFIG_OUTPUT})
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else()
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string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
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message(STATUS "${CONFIG_COMMAND_STR}")
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message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
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endif()
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list(GET CONFIG_OUTPUT 0 INCLUDE_DIR)
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list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT)
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list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR)
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set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
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set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
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set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
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set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake")
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else()
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set(LLVM_FOUND OFF)
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return()
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endif()
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if (NOT EXISTS ${LLVM_MAIN_SRC_DIR})
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message(FATAL_ERROR "Not found: ${LLVM_MAIN_SRC_DIR}")
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endif()
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if(NOT EXISTS ${LLVM_CMAKE_PATH})
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message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}")
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endif()
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list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
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list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
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set(LLVM_FOUND ON)
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endmacro(find_llvm_parts)
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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set(LIBCXX_BUILT_STANDALONE 1)
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find_llvm_parts()
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if (NOT DEFINED LLVM_INCLUDE_TESTS)
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set(LLVM_INCLUDE_TESTS ${LLVM_FOUND})
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endif()
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# Define the default arguments to use with 'lit', and an option for the user
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# to override.
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set(LIT_ARGS_DEFAULT "-sv --show-xfail --show-unsupported")
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if (MSVC OR XCODE)
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set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
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endif()
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set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
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include(AddLLVM OPTIONAL) # Include the LLVM CMake functions.
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include(HandleLLVMOptions OPTIONAL)
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else()
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set(LLVM_FOUND ON)
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set(LLVM_MAIN_SRC_DIR "${CMAKE_SOURCE_DIR}" CACHE PATH "Path to LLVM source tree")
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endif()
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