| include(LLVMParseArguments) |
| |
| # Compile a source into an object file with COMPILER_RT_TEST_COMPILER using |
| # a provided compile flags and dependenices. |
| # clang_compile(<object> <source> |
| # CFLAGS <list of compile flags> |
| # DEPS <list of dependencies>) |
| macro(clang_compile object_file source) |
| parse_arguments(SOURCE "CFLAGS;DEPS" "" ${ARGN}) |
| get_filename_component(source_rpath ${source} REALPATH) |
| if(NOT COMPILER_RT_STANDALONE_BUILD) |
| list(APPEND SOURCE_DEPS clang) |
| endif() |
| string(REGEX MATCH "[.](cc|cpp)$" is_cxx ${source_rpath}) |
| if(is_cxx) |
| string(REPLACE " " ";" global_flags "${CMAKE_CXX_FLAGS}") |
| else() |
| string(REPLACE " " ";" global_flags "${CMAKE_C_FLAGS}") |
| endif() |
| # On Windows, CMAKE_*_FLAGS are built for MSVC but we use the GCC clang.exe |
| # which doesn't support flags starting with "/smth". Replace those with |
| # "-smth" equivalents. |
| if(MSVC) |
| string(REGEX REPLACE "^/" "-" global_flags "${global_flags}") |
| string(REPLACE ";/" ";-" global_flags "${global_flags}") |
| endif() |
| # Ignore unknown warnings. CMAKE_CXX_FLAGS may contain GCC-specific options |
| # which are not supported by Clang. |
| list(APPEND global_flags -Wno-unknown-warning-option) |
| set(compile_flags ${global_flags} ${SOURCE_CFLAGS}) |
| add_custom_command( |
| OUTPUT ${object_file} |
| COMMAND ${COMPILER_RT_TEST_COMPILER} ${compile_flags} -c |
| -o "${object_file}" |
| ${source_rpath} |
| MAIN_DEPENDENCY ${source} |
| DEPENDS ${SOURCE_DEPS}) |
| endmacro() |
