| function(llvm_create_cross_target_internal target_name toolchain buildtype) |
| |
| if(NOT DEFINED LLVM_${target_name}_BUILD) |
| set(LLVM_${target_name}_BUILD "${CMAKE_BINARY_DIR}/${target_name}") |
| set(LLVM_${target_name}_BUILD ${LLVM_${target_name}_BUILD} PARENT_SCOPE) |
| message(STATUS "Setting native build dir to " ${LLVM_${target_name}_BUILD}) |
| endif(NOT DEFINED LLVM_${target_name}_BUILD) |
| |
| if (EXISTS ${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake) |
| set(CROSS_TOOLCHAIN_FLAGS_INIT |
| -DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\") |
| else() |
| set(CROSS_TOOLCHAIN_FLAGS_INIT |
| -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} |
| -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} |
| ) |
| endif() |
| set(CROSS_TOOLCHAIN_FLAGS_${target_name} ${CROSS_TOOLCHAIN_FLAGS_INIT} |
| CACHE STRING "Toolchain configuration for ${target_name}") |
| |
| if (buildtype) |
| set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}") |
| endif() |
| if (LLVM_USE_LINKER AND NOT CMAKE_CROSSCOMPILING) |
| set(linker_flag "-DLLVM_USE_LINKER=${LLVM_USE_LINKER}") |
| endif() |
| if (LLVM_EXTERNAL_CLANG_SOURCE_DIR) |
| # Propagate LLVM_EXTERNAL_CLANG_SOURCE_DIR so that clang-tblgen can be built |
| set(external_clang_dir "-DLLVM_EXTERNAL_CLANG_SOURCE_DIR=${LLVM_EXTERNAL_CLANG_SOURCE_DIR}") |
| endif() |
| |
| add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD} |
| COMMAND ${CMAKE_COMMAND} -E make_directory ${LLVM_${target_name}_BUILD} |
| COMMENT "Creating ${LLVM_${target_name}_BUILD}...") |
| |
| add_custom_target(CREATE_LLVM_${target_name} |
| DEPENDS ${LLVM_${target_name}_BUILD}) |
| |
| # Escape semicolons in the targets list so that cmake doesn't expand |
| # them to spaces. |
| string(REPLACE ";" "$<SEMICOLON>" targets_to_build_arg |
| "${LLVM_TARGETS_TO_BUILD}") |
| string(REPLACE ";" "$<SEMICOLON>" experimental_targets_to_build_arg |
| "${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}") |
| |
| add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD}/CMakeCache.txt |
| COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" |
| -DCMAKE_MAKE_PROGRAM="${CMAKE_MAKE_PROGRAM}" |
| ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR} |
| -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE |
| -DLLVM_TARGETS_TO_BUILD="${targets_to_build_arg}" |
| -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${experimental_targets_to_build_arg}" |
| -DLLVM_DEFAULT_TARGET_TRIPLE="${TARGET_TRIPLE}" |
| -DLLVM_TARGET_ARCH="${LLVM_TARGET_ARCH}" |
| ${build_type_flags} ${linker_flag} ${external_clang_dir} |
| WORKING_DIRECTORY ${LLVM_${target_name}_BUILD} |
| DEPENDS CREATE_LLVM_${target_name} |
| COMMENT "Configuring ${target_name} LLVM...") |
| |
| add_custom_target(CONFIGURE_LLVM_${target_name} |
| DEPENDS ${LLVM_${target_name}_BUILD}/CMakeCache.txt) |
| |
| endfunction() |
| |
| function(llvm_create_cross_target target_name sysroot) |
| llvm_create_cross_target_internal(${target_name} ${sysroot} ${CMAKE_BUILD_TYPE}) |
| endfunction() |
| |
| llvm_create_cross_target_internal(NATIVE "" Release) |
