2e99949ccb
Previously CMake silently accepted the empty string and added a bogus dependency on the current directory. Instead warn about the empty file name and ignore it. We cannot make this an error because there may be existing projects that accidentally depend on the old behavior. Add a RunCMake.include test to cover this case.
59 lines
2.2 KiB
CMake
59 lines
2.2 KiB
CMake
# This directory contains tests that run CMake to configure a project
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# but do not actually build anything. To add a test:
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#
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# 1.) Add a subdirectory named for the test.
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#
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# 2.) Call add_RunCMake_test and pass the test directory name.
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#
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# 3.) Create a RunCMakeTest.cmake script in the directory containing
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# include(RunCMake)
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# run_cmake(SubTest1)
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# ...
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# run_cmake(SubTestN)
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# where SubTest1..SubTestN are sub-test names each corresponding to
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# an independent CMake run and project configuration.
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#
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# 3.) Create a CMakeLists.txt file in the directory containing
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# cmake_minimum_required(...)
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# project(${RunCMake_TEST} NONE) # or languages needed
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# include(${RunCMake_TEST}.cmake)
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# where "${RunCMake_TEST}" is literal. A value for RunCMake_TEST
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# will be passed to CMake by the run_cmake macro when running each
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# sub-test.
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#
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# 4.) Create a <SubTest>.cmake file for each sub-test named above
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# containing the actual test code. Optionally create files
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# containing expected test results:
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# <SubTest>-result.txt = Process result expected if not "0"
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# <SubTest>-stdout.txt = Regex matching expected stdout content
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# <SubTest>-stderr.txt = Regex matching expected stderr content
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# <SubTest>-check.cmake = Custom result check
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# Note that trailing newlines will be stripped from actual test
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# output before matching against the stdout and stderr expressions.
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# The code in <SubTest>-check.cmake may use variables
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# RunCMake_TEST_SOURCE_DIR = Top of test source tree
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# RunCMake_TEST_BINARY_DIR = Top of test binary tree
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# and an failure must store a message in RunCMake_TEST_FAILED.
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macro(add_RunCMake_test test)
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add_test(RunCMake.${test} ${CMAKE_CMAKE_COMMAND}
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-DCMAKE_MODULE_PATH=${CMAKE_CURRENT_SOURCE_DIR}
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-DRunCMake_GENERATOR=${CMAKE_TEST_GENERATOR}
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-DRunCMake_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}/${test}
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-DRunCMake_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/${test}
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-P "${CMAKE_CURRENT_SOURCE_DIR}/${test}/RunCMakeTest.cmake"
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)
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endmacro()
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add_RunCMake_test(Languages)
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add_RunCMake_test(ObjectLibrary)
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add_RunCMake_test(build_command)
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add_RunCMake_test(find_package)
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add_RunCMake_test(include)
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add_RunCMake_test(list)
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if("${CMAKE_TEST_GENERATOR}" MATCHES "Visual Studio [^6]")
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add_RunCMake_test(include_external_msproject)
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endif()
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