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c469a141ff
We need to explicitly pass LLVM_INCLUDE_TESTS through from the top-level to the runtimes configuration because it isn't in LLVMConfig.cmake llvm-svn: 279857
178 lines
6.9 KiB
CMake
178 lines
6.9 KiB
CMake
# This file handles building LLVM runtime sub-projects.
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# Runtimes are different from tools or other drop-in projects because runtimes
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# should be built with the LLVM toolchain from the build directory. This file is
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# a first step to formalizing runtime build interfaces.
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# In the current state this file only works with compiler-rt, other runtimes
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# will work as the runtime build interface standardizes.
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# Find all subdirectories containing CMake projects
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file(GLOB entries *)
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foreach(entry ${entries})
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if(IS_DIRECTORY ${entry} AND EXISTS ${entry}/CMakeLists.txt)
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list(APPEND runtimes ${entry})
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endif()
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endforeach()
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# If this file is acting as a top-level CMake invocation, this code path is
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# triggered by the external project call for the runtimes target below.
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if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
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function(runtime_register_component name)
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set_property(GLOBAL APPEND PROPERTY SUB_COMPONENTS ${name})
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endfunction()
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cmake_minimum_required(VERSION 3.4.3)
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# Add the root project's CMake modules, and the LLVM build's modules to the
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# CMake module path.
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list(INSERT CMAKE_MODULE_PATH 0
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"${CMAKE_CURRENT_SOURCE_DIR}/../cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/../cmake/Modules"
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"${LLVM_BINARY_DIR}/lib/cmake/llvm"
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)
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# LLVMConfig.cmake contains a bunch of CMake variables from the LLVM build.
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# This file is installed as part of LLVM distributions, so this can be used
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# either from a build directory or an installed LLVM.
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include(LLVMConfig)
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# Setting these variables will allow the sub-build to put their outputs into
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# the library and bin directories of the top-level build.
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set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_DIR})
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set(LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_TOOLS_BINARY_DIR})
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foreach(entry ${runtimes})
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get_filename_component(projName ${entry} NAME)
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# TODO: Clean this up as part of an interface standardization
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string(REPLACE "-" "_" canon_name ${projName})
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string(TOUPPER ${canon_name} canon_name)
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# The subdirectories need to treat this as standalone builds
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set(${canon_name}_STANDALONE_BUILD On)
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# Setting a variable to let sub-projects detect which other projects
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# will be included under here.
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set(HAVE_${canon_name} On)
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# Between each sub-project we want to cache and clear the LIT properties
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set_property(GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
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set_property(GLOBAL PROPERTY LLVM_LIT_PARAMS)
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set_property(GLOBAL PROPERTY LLVM_LIT_DEPENDS)
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set_property(GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
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add_subdirectory(${projName})
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get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
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get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
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get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
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get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
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list(APPEND RUNTIMES_LIT_TESTSUITES ${LLVM_LIT_TESTSUITES})
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list(APPEND RUNTIMES_LIT_PARAMS ${LLVM_LIT_PARAMS})
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list(APPEND RUNTIMES_LIT_DEPENDS ${LLVM_LIT_DEPENDS})
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list(APPEND RUNTIMES_LIT_EXTRA_ARGS ${LLVM_LIT_EXTRA_ARGS})
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endforeach()
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if(LLVM_INCLUDE_TESTS)
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# Add a global check rule now that all subdirectories have been traversed
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# and we know the total set of lit testsuites.
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add_lit_target(check-runtimes
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"Running all regression tests"
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${RUNTIMES_LIT_TESTSUITES}
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PARAMS ${RUNTIMES_LIT_PARAMS}
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DEPENDS ${RUNTIMES_LIT_DEPENDS}
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ARGS ${RUNTIMES_LIT_EXTRA_ARGS}
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)
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add_custom_target(runtimes-test-depends DEPENDS ${RUNTIMES_LIT_DEPENDS})
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endif()
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get_property(SUB_COMPONENTS GLOBAL PROPERTY SUB_COMPONENTS)
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list(REMOVE_DUPLICATES SUB_COMPONENTS)
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foreach(component ${SUB_COMPONENTS})
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if(NOT TARGET ${component})
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message(SEND_ERROR "Missing target for runtime component ${component}!")
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continue()
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endif()
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if(LLVM_INCLUDE_TESTS AND NOT TARGET check-${component})
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message(SEND_ERROR "Missing check target for runtime component ${component}!")
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continue()
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endif()
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if(TARGET install-${component})
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list(APPEND SUB_INSTALL_TARGETS install-${component})
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endif()
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endforeach()
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in
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${LLVM_BINARY_DIR}/runtimes/Components.cmake)
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else() # if this is included from LLVM's CMake
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include(${LLVM_BINARY_DIR}/runtimes/Components.cmake OPTIONAL)
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/Components.cmake)
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include(LLVMExternalProjectUtils)
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# If compiler-rt is present we need to build the builtin libraries first. This
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# is required because the other runtimes need the builtin libraries present
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# before the just-built compiler can pass the configuration tests.
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt)
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llvm_ExternalProject_Add(builtins
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${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt/lib/builtins
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PASSTHROUGH_PREFIXES COMPILER_RT
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USE_TOOLCHAIN)
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set(deps builtins)
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endif()
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# We create a list the names of all the runtime projects in all uppercase and
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# with dashes turned to underscores. This gives us the CMake variable prefixes
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# for all variables that will apply to runtimes.
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foreach(entry ${runtimes})
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get_filename_component(projName ${entry} NAME)
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string(REPLACE "-" "_" canon_name ${projName})
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string(TOUPPER ${canon_name} canon_name)
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list(APPEND prefixes ${canon_name})
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string(FIND ${projName} "lib" LIB_IDX)
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if(LIB_IDX EQUAL 0)
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string(SUBSTRING ${projName} 3 -1 projName)
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endif()
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list(APPEND runtime_names ${projName})
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endforeach()
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if(runtimes)
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foreach(runtime_name ${runtime_names})
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list(APPEND extra_targets
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${runtime_name}
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install-${runtime_name}
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check-${runtime_name})
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endforeach()
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if(LLVM_INCLUDE_TESTS)
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set(test_targets runtimes-test-depends check-runtimes)
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endif()
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# Create a runtimes target that uses this file as its top-level CMake file.
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# The runtimes target is a configuration of all the runtime libraries
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# together in a single CMake invocaiton.
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llvm_ExternalProject_Add(runtimes
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${CMAKE_CURRENT_SOURCE_DIR}
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DEPENDS ${deps}
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# Builtins were built separately above
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CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
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-DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
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PASSTHROUGH_PREFIXES ${prefixes}
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EXTRA_TARGETS ${extra_targets}
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${test_targets}
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${SUB_COMPONENTS}
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${SUB_INSTALL_TARGETS}
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USE_TOOLCHAIN)
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if(LLVM_INCLUDE_TESTS)
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set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS runtimes-test-depends)
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endif()
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endif()
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endif()
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