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