blob: 941731841fc62b8bd34a564213fa09a546804c31 [file] [log] [blame]
enable_language(C)
set(CMAKE_LINK_LIBRARIES_ONLY_TARGETS 1)
# Use imported interface library to name toolchain-provided libraries.
add_library(toolchain::m INTERFACE IMPORTED)
set_property(TARGET toolchain::m PROPERTY IMPORTED_LIBNAME "m")
# Linking directly warns.
add_executable(exe main.c)
target_link_libraries(exe PRIVATE
-lflag_in_exe # accepted
/abs/path/in_exe # accepted
rel/path/in_exe # accepted
toolchain::m # accepted
non_target_in_exe # rejected
)
# Link interfaces warn.
add_library(iface INTERFACE)
target_link_libraries(iface INTERFACE
-lflag_in_iface # accepted
/abs/path/in_iface # accepted
rel/path/in_iface # accepted
non_target_in_iface # rejected
)
# Imported target link interfaces warn if explicitly enabled.
add_library(iface_imported_checked INTERFACE IMPORTED)
target_link_libraries(iface_imported_checked INTERFACE
-lflag_iface_imported_checked # accepted
/abs/path/in_iface_imported_checked # accepted
rel/path/in_iface_imported_checked # accepted
non_target_in_iface_imported_checked # rejected
)
set_property(TARGET iface_imported_checked PROPERTY LINK_LIBRARIES_ONLY_TARGETS 1)
# Linking directly does not warn if explicitly disabled.
add_executable(exe_not_checked main.c)
target_link_libraries(exe_not_checked PRIVATE
non_target_in_exe_not_checked
)
set_property(TARGET exe_not_checked PROPERTY LINK_LIBRARIES_ONLY_TARGETS 0)
# Link interfaces do not warn if explicitly disabled.
add_library(iface_not_checked INTERFACE)
target_link_libraries(iface_not_checked INTERFACE
non_target_in_iface_not_checked
)
set_property(TARGET iface_not_checked PROPERTY LINK_LIBRARIES_ONLY_TARGETS 0)
# Imported target link interfaces do not warn if not explicitly enabled.
add_library(iface_imported_default INTERFACE IMPORTED)
target_link_libraries(iface_imported_default INTERFACE
non_target_in_iface_imported_default
)