| |
| enable_language(C) |
| |
| set(CMAKE_C_LINK_LIBRARY_USING_load_archive_SUPPORTED TRUE) |
| if(CMAKE_C_COMPILER_ID STREQUAL "AppleClang") |
| set(CMAKE_C_LINK_LIBRARY_USING_load_archive "-force_load <LIB_ITEM>") |
| elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_SYSTEM_NAME STREQUAL "Linux") |
| execute_process(COMMAND "${CMAKE_LINKER}" --help |
| OUTPUT_VARIABLE linker_help |
| ERROR_VARIABLE linker_help) |
| if(linker_help MATCHES "--push-state" AND linker_help MATCHES "--pop-state") |
| set(CMAKE_C_LINK_LIBRARY_USING_load_archive "LINKER:--push-state,--whole-archive" |
| "<LINK_ITEM>" |
| "LINKER:--pop-state") |
| else() |
| set(CMAKE_C_LINK_LIBRARY_USING_load_archive "LINKER:--whole-archive" |
| "<LINK_ITEM>" |
| "LINKER:--no-whole-archive") |
| endif() |
| elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC") |
| set(CMAKE_C_LINK_LIBRARY_USING_load_archive "/WHOLEARCHIVE:<LIBRARY>") |
| else() |
| # feature not yet supported for the other environments |
| set(CMAKE_C_LINK_LIBRARY_USING_load_archive_SUPPORTED FALSE) |
| endif() |
| |
| add_library(base STATIC base.c unref.c) |
| target_compile_definitions(base PUBLIC STATIC_BASE) |
| |
| add_library(lib SHARED lib.c) |
| target_link_libraries(lib PRIVATE "$<LINK_LIBRARY:load_archive,base>") |
| |
| add_executable(main main.c) |
| target_link_libraries(main PRIVATE lib) |
