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https://github.com/c64scene-ar/llvm-6502.git
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901166c939
The basic idea is similar to the existing cross compilation support. A directory must be configured to build host versions of tablegen tools and llvm-config. This directory can be user provided (and configured), or it can be created during the build. During a build the native build directory will be configured and built to supply the tablegen tools used during the build. A user could also explicitly provide the tablegen executables to run on the CMake command line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217105 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.4 KiB
CMake
34 lines
1.4 KiB
CMake
if(NOT DEFINED LLVM_NATIVE_BUILD)
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set(LLVM_NATIVE_BUILD "${CMAKE_BINARY_DIR}/native")
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message(STATUS "Setting native build dir to ${LLVM_NATIVE_BUILD}")
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endif(NOT DEFINED LLVM_NATIVE_BUILD)
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add_custom_command(OUTPUT ${LLVM_NATIVE_BUILD}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${LLVM_NATIVE_BUILD}
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COMMENT "Creating ${LLVM_NATIVE_BUILD}...")
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add_custom_command(OUTPUT ${LLVM_NATIVE_BUILD}/CMakeCache.txt
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COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" ${CMAKE_SOURCE_DIR}
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WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
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DEPENDS ${LLVM_NATIVE_BUILD}
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COMMENT "Configuring native LLVM...")
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add_custom_target(ConfigureNativeLLVM DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt)
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set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${LLVM_NATIVE_BUILD})
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if(NOT IS_DIRECTORY ${LLVM_NATIVE_BUILD})
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if(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
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set(HOST_SYSROOT_FLAGS -DCMAKE_OSX_SYSROOT=macosx)
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endif(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
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message(STATUS "Configuring native build...")
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execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory
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${LLVM_NATIVE_BUILD} )
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message(STATUS "Configuring native targets...")
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execute_process(COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Release
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-G "${CMAKE_GENERATOR}" -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS_TO_BUILD} ${HOST_SYSROOT_FLAGS} ${CMAKE_SOURCE_DIR}
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WORKING_DIRECTORY ${LLVM_NATIVE_BUILD} )
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endif(NOT IS_DIRECTORY ${LLVM_NATIVE_BUILD})
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