mirror of
https://github.com/Kitware/CMake.git
synced 2026-04-21 13:48:33 -05:00
Brad King
37af6c3311
Optionally verify that items in `LINK_LIBRARIES` and `INTERFACE_LINK_LIBRARIES` that can be target names are actually target names. Add a `LINK_LIBRARIES_ONLY_TARGETS` target property and corresponding `CMAKE_LINK_LIBRARIES_ONLY_TARGETS` variable to enable this new check. Fixes: #22858
57 lines
1.9 KiB
CMake
57 lines
1.9 KiB
CMake
enable_language(C)
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set(CMAKE_LINK_LIBRARIES_ONLY_TARGETS 1)
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# Use imported interface library to name toolchain-provided libraries.
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add_library(toolchain::m INTERFACE IMPORTED)
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set_property(TARGET toolchain::m PROPERTY IMPORTED_LIBNAME "m")
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# Linking directly warns.
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add_executable(exe main.c)
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target_link_libraries(exe PRIVATE
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-lflag_in_exe # accepted
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/abs/path/in_exe # accepted
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rel/path/in_exe # accepted
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toolchain::m # accepted
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non_target_in_exe # rejected
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)
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# Link interfaces warn.
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add_library(iface INTERFACE)
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target_link_libraries(iface INTERFACE
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-lflag_in_iface # accepted
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/abs/path/in_iface # accepted
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rel/path/in_iface # accepted
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non_target_in_iface # rejected
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)
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# Imported target link interfaces warn if explicitly enabled.
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add_library(iface_imported_checked INTERFACE IMPORTED)
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target_link_libraries(iface_imported_checked INTERFACE
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-lflag_iface_imported_checked # accepted
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/abs/path/in_iface_imported_checked # accepted
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rel/path/in_iface_imported_checked # accepted
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non_target_in_iface_imported_checked # rejected
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)
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set_property(TARGET iface_imported_checked PROPERTY LINK_LIBRARIES_ONLY_TARGETS 1)
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# Linking directly does not warn if explicitly disabled.
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add_executable(exe_not_checked main.c)
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target_link_libraries(exe_not_checked PRIVATE
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non_target_in_exe_not_checked
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)
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set_property(TARGET exe_not_checked PROPERTY LINK_LIBRARIES_ONLY_TARGETS 0)
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# Link interfaces do not warn if explicitly disabled.
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add_library(iface_not_checked INTERFACE)
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target_link_libraries(iface_not_checked INTERFACE
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non_target_in_iface_not_checked
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)
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set_property(TARGET iface_not_checked PROPERTY LINK_LIBRARIES_ONLY_TARGETS 0)
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# Imported target link interfaces do not warn if not explicitly enabled.
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add_library(iface_imported_default INTERFACE IMPORTED)
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target_link_libraries(iface_imported_default INTERFACE
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non_target_in_iface_imported_default
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)
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