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Catch.cmake: Support CMake multi-config with PRE_TEST discovery mode #2739

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Sep 25, 2023
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24 changes: 21 additions & 3 deletions extras/Catch.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -176,8 +176,10 @@ function(catch_discover_tests TARGET)
string(SUBSTRING ${args_hash} 0 7 args_hash)

# Define rule to generate test list for aforementioned test executable
set(ctest_include_file "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_include-${args_hash}.cmake")
set(ctest_tests_file "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_tests-${args_hash}.cmake")
set(ctest_file_base "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}-${args_hash}")
set(ctest_include_file "${ctest_file_base}_include.cmake")
set(ctest_tests_file "${ctest_file_base}_tests.cmake")

get_property(crosscompiling_emulator
TARGET ${TARGET}
PROPERTY CROSSCOMPILING_EMULATOR
Expand Down Expand Up @@ -218,6 +220,14 @@ function(catch_discover_tests TARGET)

elseif(_DISCOVERY_MODE STREQUAL "PRE_TEST")

get_property(GENERATOR_IS_MULTI_CONFIG GLOBAL
PROPERTY GENERATOR_IS_MULTI_CONFIG
)

if(GENERATOR_IS_MULTI_CONFIG)
set(ctest_tests_file "${ctest_file_base}_tests-$<CONFIG>.cmake")
endif()

string(CONCAT ctest_include_content
"if(EXISTS \"$<TARGET_FILE:${TARGET}>\")" "\n"
" if(NOT EXISTS \"${ctest_tests_file}\" OR" "\n"
Expand Down Expand Up @@ -249,7 +259,15 @@ function(catch_discover_tests TARGET)
"endif()" "\n"
)

file(GENERATE OUTPUT "${ctest_include_file}" CONTENT "${ctest_include_content}")
if(GENERATOR_IS_MULTI_CONFIG)
foreach(_config ${CMAKE_CONFIGURATION_TYPES})
file(GENERATE OUTPUT "${ctest_file_base}_include-${_config}.cmake" CONTENT "${ctest_include_content}" CONDITION $<CONFIG:${_config}>)
endforeach()
file(WRITE "${ctest_include_file}" "include(\"${ctest_file_base}_include-\${CTEST_CONFIGURATION_TYPE}.cmake\")")
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else()
file(GENERATE OUTPUT "${ctest_file_base}_include.cmake" CONTENT "${ctest_include_content}")
file(WRITE "${ctest_include_file}" "include(\"${ctest_file_base}_include.cmake\")")
endif()
endif()

if(NOT ${CMAKE_VERSION} VERSION_LESS "3.10.0")
Expand Down
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