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CMake: Non-working code for auto-building the native tblgen util when

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cross-compiling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58950 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Oscar Fuentes 2008-11-10 01:32:14 +00:00
parent 9ed2f80910
commit 02516ba8b4
2 changed files with 42 additions and 5 deletions
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5
CMakeLists.txt
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@ -114,12 +114,13 @@ set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
set(LLVM_TABLEGEN "tblgen" CACHE
STRING "Native TableGen executable.")
add_subdirectory(utils/TableGen)
if( CMAKE_CROSSCOMPILING )
# This adds a dependency on target `tblgen', so must go after utils/TableGen
include( CrossCompileLLVM )
endif( CMAKE_CROSSCOMPILING )
add_subdirectory(utils/TableGen)
add_custom_command(OUTPUT ${llvm_builded_incs_dir}/Intrinsics.gen
COMMAND ${LLVM_TABLEGEN} -gen-intrinsic -I ${LLVM_MAIN_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR}/llvm/Intrinsics.td -o ${llvm_builded_incs_dir}/Intrinsics.gen
DEPENDS tblgen

42
cmake/modules/CrossCompileLLVM.cmake
View File

@ -1,6 +1,42 @@
# TODO: Build a native tblgen when cross-compiling, if the user
# didn't set LLVM_TABLEGEN. Then, remove this check:
if( CMAKE_CROSSCOMPILING AND ${LLVM_TABLEGEN} STREQUAL "tblgen" )
if( ${LLVM_TABLEGEN} STREQUAL "tblgen" )
# TODO: remove this when autobuilding the native tblgen works.
message(FATAL_ERROR
"Set LLVM_TABLEGEN to the full route to a native tblgen executable")
message(STATUS "Configuring native TableGen...")
set(CX_NATIVE_TG_DIR "${CMAKE_BINARY_DIR}/native")
execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CX_NATIVE_TG_DIR}
RESULT_VARIABLE CX_NATIVE_TG_RV)
if( NOT CX_NATIVE_TG_RV EQUAL 0 )
message(FATAL_ERROR "Failed to create directory ${CX_NATIVE_TG_DIR}")
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} -UMAKE_TOOLCHAIN_FILE -DCMAKE_BUILD_TYPE=Release ${CMAKE_SOURCE_DIR}
WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
RESULT_VARIABLE CX_NATIVE_TG_RV
ERROR_VARIABLE CX_NATIVE_TG_ERROR)
if( NOT CX_NATIVE_TG_RV EQUAL 0 )
message(FATAL_ERROR
"Error while configuring native TableGen:\n${CX_NATIVE_TG_ERROR}")
endif()
message(STATUS "Native TableGen configured.")
set(LLVM_TABLEGEN "${CX_NATIVE_TG_DIR}/bin/tblgen")
add_custom_command(OUTPUT ${LLVM_TABLEGEN}
COMMAND ${CMAKE_BUILD_TOOL} -C ${CX_NATIVE_TG_DIR}/utils/TableGen
COMMENT "Building native TableGen...")
add_custom_target(NativeTableGen DEPENDS ${LLVM_TABLEGEN})
add_dependencies(tblgen NativeTableGen)
# TODO: We should clean the native build when the `clean target
# is invoked. This doesn't work.
# add_custom_command(TARGET clean
# COMMAND ${CMAKE_BUILD_TOOL} -C ${CX_NATIVE_TG_DIR}/utils/TableGen clean
# POST_BUILD
# COMMENT "Cleaning native TableGen...")
endif()