 2fdc443f37
			
		
	
	2fdc443f37
	
	
	
		
			
			git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@245790 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			115 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.6 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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| 
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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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| 
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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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| 
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|   if (NOT EXISTS ${LLVM_MAIN_SRC_DIR})
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|     set(LLVM_FOUND OFF)
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|     message(WARNING "Not found: ${LLVM_MAIN_SRC_DIR}")
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|     return()
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|   endif()
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| 
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|   if(NOT EXISTS ${LLVM_CMAKE_PATH})
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|     set(LLVM_FOUND OFF)
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|     message(WARNING "Not found: ${LLVM_CMAKE_PATH}")
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|     return()
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|   endif()
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| 
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|   list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
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|   list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
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| 
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|   set(LLVM_FOUND ON)
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| endmacro(find_llvm_parts)
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| 
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| 
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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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|   message(STATUS "Configuring for standalone build.")
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| 
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|   find_llvm_parts()
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| 
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|   # LLVM Options --------------------------------------------------------------
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|   include(FindPythonInterp)
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|   if( NOT PYTHONINTERP_FOUND )
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|     message(WARNING "Failed to find python interpreter. "
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|                     "The libc++ test suite will be disabled.")
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|     set(LLVM_INCLUDE_TESTS OFF)
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|   endif()
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| 
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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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|   if (NOT DEFINED LLVM_INCLUDE_DOCS)
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|     set(LLVM_INCLUDE_DOCS ${LLVM_FOUND})
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|   endif()
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|   if (NOT DEFINED LLVM_ENABLE_SPHINX)
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|     set(LLVM_ENABLE_SPHINX OFF)
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|   endif()
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| 
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|   # Required LIT Configuration ------------------------------------------------
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|   # Define the default arguments to use with 'lit', and an option for the user
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|   # to override.
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|   set(LIT_ARGS_DEFAULT "-sv --show-xfail --show-unsupported")
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|   if (MSVC OR XCODE)
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|     set(LIT_ARGS_DEFAULT "${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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| 
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|   # Make sure we can use the console pool for recent cmake and ninja > 1.5
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|   # Needed for add_lit_testsuite
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|   if(CMAKE_VERSION VERSION_LESS 3.1.20141117)
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|     set(cmake_3_2_USES_TERMINAL)
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|   else()
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|     set(cmake_3_2_USES_TERMINAL USES_TERMINAL)
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|   endif()
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| 
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|   # Required doc configuration
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|   if (LLVM_ENABLE_SPHINX)
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|     message(STATUS "Sphinx enabled.")
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|     find_package(Sphinx REQUIRED)
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|   else()
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|     message(STATUS "Sphinx disabled.")
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|   endif()
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| 
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|   # Add LLVM Functions --------------------------------------------------------
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|   include(AddLLVM OPTIONAL)
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| endif()
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