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cmake: Emulate GNU Autotools 'make check -jN' #1294

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cmake: Emulate GNU Autotools 'make check -jN' #1294

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11 changes: 7 additions & 4 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -228,15 +228,18 @@ endif()

set(CMAKE_C_VISIBILITY_PRESET hidden)

# Ask CTest to create a "check" target (e.g., make check) as alias for the "test" target.
# CTEST_TEST_TARGET_ALIAS is not documented but supposed to be user-facing.
# See: https://gitlab.kitware.com/cmake/cmake/-/commit/816c9d1aa1f2b42d40c81a991b68c96eb12b6d2
set(CTEST_TEST_TARGET_ALIAS check)
include(CTest)
# We do not use CTest's BUILD_TESTING because a single toggle for all tests is too coarse for our needs.
mark_as_advanced(BUILD_TESTING)
if(SECP256K1_BUILD_BENCHMARK OR SECP256K1_BUILD_TESTS OR SECP256K1_BUILD_EXHAUSTIVE_TESTS OR SECP256K1_BUILD_CTIME_TESTS OR SECP256K1_BUILD_EXAMPLES)
enable_testing()
if(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
# Emulate GNU Autotools 'make check -jN'.
add_custom_target(check
COMMAND @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan \"Running tests...\"
COMMAND ${CMAKE_CTEST_COMMAND} --force-new-ctest-process -$(MAKEFLAGS)
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Passing $MAKEFLAGS to ctest is indeed pretty hackish (and ctest doesn't like -j without an integer and some users have more MAKEFLAGS set in their env...)

)
endif()
endif()

add_subdirectory(src)
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