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CMake: Put all unit tests in one binary

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We currently have 32 different binaries containing unit tests. At least
when I build for Android, each one takes up over 200 MiB, and linking
them all increases my incremental build times by over a minute. I'd
like to change this for the sake of my productivity and disk space.

For reference, MSBuild is already putting all tests in a single binary.
This commit is contained in:
JosJuice 2024-06-06 18:56:37 +02:00
parent ca22d0af57
commit f404edb4dc
1 changed files with 8 additions and 16 deletions
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24
Source/UnitTests/CMakeLists.txt
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@ -4,24 +4,16 @@ add_custom_command(TARGET unittests POST_BUILD COMMAND ${CMAKE_CTEST_COMMAND} "-
string(APPEND CMAKE_RUNTIME_OUTPUT_DIRECTORY "/Tests")
add_library(unittests_main OBJECT UnitTestsMain.cpp)
target_link_libraries(unittests_main PUBLIC fmt::fmt gtest::gtest)
# Since this is a Core dependency, it can't be linked as a normal library.
# Otherwise CMake inserts the library after core, but before other core
# dependencies like videocommon which also use Host_ functions, which makes the
# GNU linker complain.
add_library(unittests_stubhost OBJECT StubHost.cpp)
add_executable(tests EXCLUDE_FROM_ALL UnitTestsMain.cpp StubHost.cpp)
set_target_properties(tests PROPERTIES FOLDER Tests)
target_link_libraries(tests PRIVATE fmt::fmt gtest::gtest core uicommon)
add_test(NAME tests COMMAND tests)
add_dependencies(unittests tests)
macro(add_dolphin_test target)
add_executable(${target} EXCLUDE_FROM_ALL
${ARGN}
$<TARGET_OBJECTS:unittests_stubhost>
)
set_target_properties(${target} PROPERTIES FOLDER Tests)
target_link_libraries(${target} PRIVATE core uicommon unittests_main)
add_dependencies(unittests ${target})
add_test(NAME ${target} COMMAND ${target})
add_library(${target} OBJECT ${ARGN})
target_link_libraries(${target} PUBLIC fmt::fmt gtest::gtest PRIVATE core uicommon)
target_link_libraries(tests PRIVATE ${target})
endmacro()
add_subdirectory(Common)