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unittest: warn users of deprecated SOURCES

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If users set SOURCES before find_package for unit tests, we'll warn them
that this code path will no longer be supported and provide the correct
way of doing things moving forward.

Signed-off-by: Yuval Peress <peress@google.com>
This commit is contained in:
Yuval Peress 2022-10-13 10:20:41 -06:00 • committed by Carles Cufí
commit ffb861d1a3
2 changed files with 8 additions and 0 deletions
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7
cmake/modules/FindDeprecated.cmake
View file

@ -73,5 +73,12 @@ if(NOT "${Deprecated_FIND_COMPONENTS}" STREQUAL "")
"${Deprecated_FIND_COMPONENTS}")
endif()
if("SOURCES" IN_LIST Deprecated_FIND_COMPONENTS)
message(DEPRECATION
"Setting SOURCES prior to calling find_package() for unit tests is deprecated."
"To add sources after find_package() use:\n"
" target_sources(testbinary PRIVATE <source-file.c>)")
endif()
set(Deprecated_FOUND True)
set(DEPRECATED_FOUND True)

1
cmake/modules/unittest.cmake
View file

@ -38,6 +38,7 @@ if(NOT SOURCES AND EXISTS main.c)
endif()
add_executable(testbinary ${SOURCES})
find_package(Deprecated COMPONENTS SOURCES)
add_library(test_interface INTERFACE)
target_link_libraries(testbinary PRIVATE test_interface)