Home | History | Annotate | Download | only in llvm 
      1 function(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 	if (LLVM_EXTERNAL_CLANG_SOURCE_DIR)
     45 	  # Propagate LLVM_EXTERNAL_CLANG_SOURCE_DIR so that clang-tblgen can be built
     46 	  set(external_clang_dir "-DLLVM_EXTERNAL_CLANG_SOURCE_DIR=${LLVM_EXTERNAL_CLANG_SOURCE_DIR}")
     47 	endif()
     48     execute_process(COMMAND ${CMAKE_COMMAND} ${build_type_flags}
     49         -G "${CMAKE_GENERATOR}" -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS_TO_BUILD}
     50         ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
     51         -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
     52         ${external_clang_dir}
     53       WORKING_DIRECTORY ${LLVM_${target_name}_BUILD} )
     54   endif(NOT IS_DIRECTORY ${LLVM_${target_name}_BUILD})
     55 
     56 endfunction()
     57 
     58 function(llvm_create_cross_target target_name sysroot)
     59   llvm_create_cross_target_internal(${target_name} ${sysroot} ${CMAKE_BUILD_TYPE})
     60 endfunction()
     61 
     62 llvm_create_cross_target_internal(NATIVE "" Release)
     63