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1function(llvm_create_cross_target_internal target_name toolchain buildtype)
2
3  if(NOT DEFINED LLVM_${target_name}_BUILD)
4    set(LLVM_${target_name}_BUILD "${CMAKE_BINARY_DIR}/${target_name}")
5    set(LLVM_${target_name}_BUILD ${LLVM_${target_name}_BUILD} PARENT_SCOPE)
6    message(STATUS "Setting native build dir to " ${LLVM_${target_name}_BUILD})
7  endif(NOT DEFINED LLVM_${target_name}_BUILD)
8
9  if (EXISTS ${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake)
10    set(CROSS_TOOLCHAIN_FLAGS_${target_name}
11        -DCMAKE_TOOLCHAIN_FILE=\"${LLVM_MAIN_SRC_DIR}/cmake/platforms/${toolchain}.cmake\"
12        CACHE STRING "Toolchain file for ${target_name}")
13  endif()
14
15  add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD}
16    COMMAND ${CMAKE_COMMAND} -E make_directory ${LLVM_${target_name}_BUILD}
17    COMMENT "Creating ${LLVM_${target_name}_BUILD}...")
18
19  add_custom_command(OUTPUT ${LLVM_${target_name}_BUILD}/CMakeCache.txt
20    COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}"
21        ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
22        -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
23    WORKING_DIRECTORY ${LLVM_${target_name}_BUILD}
24    DEPENDS ${LLVM_${target_name}_BUILD}
25    COMMENT "Configuring ${target_name} LLVM...")
26
27  add_custom_target(CONFIGURE_LLVM_${target_name}
28                    DEPENDS ${LLVM_${target_name}_BUILD}/CMakeCache.txt)
29
30  set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
31                                      ${LLVM_${target_name}_BUILD})
32
33  if(NOT IS_DIRECTORY ${LLVM_${target_name}_BUILD})
34
35
36    message(STATUS "Configuring ${target_name} build...")
37    execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory
38      ${LLVM_${target_name}_BUILD} )
39
40    message(STATUS "Configuring ${target_name} targets...")
41    if (buildtype)
42      set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}")
43    endif()
44    execute_process(COMMAND ${CMAKE_COMMAND} ${build_type_flags}
45        -G "${CMAKE_GENERATOR}" -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS_TO_BUILD}
46        ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
47        -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
48      WORKING_DIRECTORY ${LLVM_${target_name}_BUILD} )
49  endif(NOT IS_DIRECTORY ${LLVM_${target_name}_BUILD})
50
51endfunction()
52
53function(llvm_create_cross_target target_name sysroot)
54  llvm_create_cross_target_internal(${target_name} ${sysroot} ${CMAKE_BUILD_TYPE})
55endfunction()
56
57llvm_create_cross_target_internal(NATIVE "" Release)
58