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Merge pull request #5429 from yuhaoth/pr/fix-parallel-build-fail-of-cmake_out_source

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fix parallel build fail of cmake out source
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Gilles Peskine 2022-04-07 16:21:43 +02:00 committed by GitHub
commit a91b68564c
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2 changed files with 11 additions and 1 deletions
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3
ChangeLog.d/fix-parllel-cmake-build-fail.txt Normal file
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@ -0,0 +1,3 @@
Bugfix
* Fix a race condition in out-of-source builds with CMake when generated data
files are already present. Fixes #5374

9
tests/CMakeLists.txt
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@ -50,12 +50,18 @@ if(GEN_FILES)
${CMAKE_CURRENT_SOURCE_DIR}/../include/psa/crypto_values.h
${CMAKE_CURRENT_SOURCE_DIR}/../include/psa/crypto_extra.h
)
else()
foreach(file ${base_generated_data_files})
link_to_source(${file})
endforeach()
endif()
# CMake generates sub-makefiles for each target and calls them in subprocesses.
# Without this command, cmake will generate rules in each sub-makefile. As a result,
# they can cause race conditions in parallel builds.
# With this line, only 4 sub-makefiles include the above command, that reduces
# the risk of a race.
add_custom_target(test_suite_generated_data DEPENDS ${generated_data_files})
# Test suites caught by SKIP_TEST_SUITES are built but not executed.
# "foo" as a skip pattern skips "test_suite_foo" and "test_suite_foo.bar"
# but not "test_suite_foobar".
@ -119,6 +125,7 @@ function(add_test_suite suite_name)
)
add_executable(test_suite_${data_name} test_suite_${data_name}.c $<TARGET_OBJECTS:mbedtls_test>)
add_dependencies(test_suite_${data_name} test_suite_generated_data)
target_link_libraries(test_suite_${data_name} ${libs})
# Include test-specific header files from ./include and private header
# files (used by some invasive tests) from ../library. Public header