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CMake: Non-working code for auto-building the native tblgen util when
cross-compiling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58950 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -114,12 +114,13 @@ set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
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set(LLVM_TABLEGEN "tblgen" CACHE
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STRING "Native TableGen executable.")
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add_subdirectory(utils/TableGen)
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if( CMAKE_CROSSCOMPILING )
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# This adds a dependency on target `tblgen', so must go after utils/TableGen
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include( CrossCompileLLVM )
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endif( CMAKE_CROSSCOMPILING )
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add_subdirectory(utils/TableGen)
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add_custom_command(OUTPUT ${llvm_builded_incs_dir}/Intrinsics.gen
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COMMAND ${LLVM_TABLEGEN} -gen-intrinsic -I ${LLVM_MAIN_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR}/llvm/Intrinsics.td -o ${llvm_builded_incs_dir}/Intrinsics.gen
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DEPENDS tblgen
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@ -1,6 +1,42 @@
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# TODO: Build a native tblgen when cross-compiling, if the user
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# didn't set LLVM_TABLEGEN. Then, remove this check:
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if( CMAKE_CROSSCOMPILING AND ${LLVM_TABLEGEN} STREQUAL "tblgen" )
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if( ${LLVM_TABLEGEN} STREQUAL "tblgen" )
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# TODO: remove this when autobuilding the native tblgen works.
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message(FATAL_ERROR
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"Set LLVM_TABLEGEN to the full route to a native tblgen executable")
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message(STATUS "Configuring native TableGen...")
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set(CX_NATIVE_TG_DIR "${CMAKE_BINARY_DIR}/native")
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execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CX_NATIVE_TG_DIR}
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RESULT_VARIABLE CX_NATIVE_TG_RV)
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if( NOT CX_NATIVE_TG_RV EQUAL 0 )
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message(FATAL_ERROR "Failed to create directory ${CX_NATIVE_TG_DIR}")
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND} -UMAKE_TOOLCHAIN_FILE -DCMAKE_BUILD_TYPE=Release ${CMAKE_SOURCE_DIR}
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WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
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RESULT_VARIABLE CX_NATIVE_TG_RV
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ERROR_VARIABLE CX_NATIVE_TG_ERROR)
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if( NOT CX_NATIVE_TG_RV EQUAL 0 )
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message(FATAL_ERROR
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"Error while configuring native TableGen:\n${CX_NATIVE_TG_ERROR}")
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endif()
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message(STATUS "Native TableGen configured.")
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set(LLVM_TABLEGEN "${CX_NATIVE_TG_DIR}/bin/tblgen")
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add_custom_command(OUTPUT ${LLVM_TABLEGEN}
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COMMAND ${CMAKE_BUILD_TOOL} -C ${CX_NATIVE_TG_DIR}/utils/TableGen
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COMMENT "Building native TableGen...")
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add_custom_target(NativeTableGen DEPENDS ${LLVM_TABLEGEN})
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add_dependencies(tblgen NativeTableGen)
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# TODO: We should clean the native build when the `clean target
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# is invoked. This doesn't work.
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# add_custom_command(TARGET clean
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# COMMAND ${CMAKE_BUILD_TOOL} -C ${CX_NATIVE_TG_DIR}/utils/TableGen clean
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# POST_BUILD
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# COMMENT "Cleaning native TableGen...")
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endif()
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