cmake/modules/CrossCompile.cmake

   1 if(NOT DEFINED LLVM_NATIVE_BUILD)
   2   set(LLVM_NATIVE_BUILD "${CMAKE_BINARY_DIR}/native")
   3   message(STATUS "Setting native build dir to ${LLVM_NATIVE_BUILD}")
   4 endif(NOT DEFINED LLVM_NATIVE_BUILD)
   5
   6 add_custom_command(OUTPUT ${LLVM_NATIVE_BUILD}
   7   COMMAND ${CMAKE_COMMAND} -E make_directory ${LLVM_NATIVE_BUILD}
   8   COMMENT "Creating ${LLVM_NATIVE_BUILD}...")
   9
  10 add_custom_command(OUTPUT ${LLVM_NATIVE_BUILD}/CMakeCache.txt
  11   COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" ${CMAKE_SOURCE_DIR}
  12   WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
  13   DEPENDS ${LLVM_NATIVE_BUILD}
  14   COMMENT "Configuring native LLVM...")
  15
  16 add_custom_target(ConfigureNativeLLVM DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt)
  17
  18 set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${LLVM_NATIVE_BUILD})
  19
  20 if(NOT IS_DIRECTORY ${LLVM_NATIVE_BUILD})
  21   if(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
  22     set(HOST_SYSROOT_FLAGS -DCMAKE_OSX_SYSROOT=macosx)
  23   endif(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
  24
  25   message(STATUS "Configuring native build...")
  26   execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory
  27     ${LLVM_NATIVE_BUILD} )
  28
  29   message(STATUS "Configuring native targets...")
  30   execute_process(COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Release
  31       -G "${CMAKE_GENERATOR}" -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS_TO_BUILD} ${HOST_SYSROOT_FLAGS} ${CMAKE_SOURCE_DIR}
  32     WORKING_DIRECTORY ${LLVM_NATIVE_BUILD} )
  33 endif(NOT IS_DIRECTORY ${LLVM_NATIVE_BUILD})