| |
| enable_language(C) |
| |
| set(CMAKE_C_LINK_GROUP_USING_cross_refs_SUPPORTED TRUE) |
| if(CMAKE_C_COMPILER_ID STREQUAL "GNU" |
| AND CMAKE_SYSTEM_NAME STREQUAL "Linux") |
| set(CMAKE_C_LINK_GROUP_USING_cross_refs "LINKER:--start-group" |
| "LINKER:--end-group") |
| elseif(CMAKE_C_COMPILER_ID STREQUAL "SunPro" |
| AND CMAKE_SYSTEM_NAME STREQUAL "SunOS") |
| set(CMAKE_C_LINK_GROUP_USING_cross_refs "LINKER:-z,rescan-start" |
| "LINKER:-z,rescan-end") |
| else() |
| # feature not yet supported for the other environments |
| set(CMAKE_C_LINK_GROUP_USING_cross_refs_SUPPORTED FALSE) |
| endif() |
| |
| add_library(func1 STATIC func1.c func3.c) |
| add_library(func2 STATIC func2.c) |
| |
| add_executable(main main.c) |
| target_link_libraries(main PRIVATE "$<LINK_GROUP:cross_refs,func1,func2>") |
