Add test case to verify CMake does not re-run on first build
Extend the RunCMake.Configure with a case to verify that the CMake configuration process does not immediately re-run the first time that the generated build system is invoked.
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@ -0,0 +1,4 @@
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file(READ ${stamp} content)
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if(NOT content STREQUAL 1)
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set(RunCMake_TEST_FAILED "Expected stamp '1' but got: '${content}'")
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endif()
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@ -0,0 +1,4 @@
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set(input ${CMAKE_CURRENT_BINARY_DIR}/CustomCMakeInput.txt)
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set(stamp ${CMAKE_CURRENT_BINARY_DIR}/CustomCMakeStamp.txt)
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file(READ ${input} content)
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file(WRITE ${stamp} "${content}")
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@ -2,3 +2,18 @@ include(RunCMake)
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run_cmake(ErrorLogs)
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run_cmake(FailCopyFileABI)
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# Use a single build tree for a few tests without cleaning.
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set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/RerunCMake-build)
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set(RunCMake_TEST_NO_CLEAN 1)
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file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
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file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
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set(input "${RunCMake_TEST_BINARY_DIR}/CustomCMakeInput.txt")
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set(stamp "${RunCMake_TEST_BINARY_DIR}/CustomCMakeStamp.txt")
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file(WRITE "${input}" "1")
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run_cmake(RerunCMake)
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execute_process(COMMAND ${CMAKE_COMMAND} -E sleep 1) # handle 1s resolution
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file(WRITE "${input}" "2")
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run_cmake_command(RerunCMake-build1 ${CMAKE_COMMAND} --build .)
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unset(RunCMake_TEST_BINARY_DIR)
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unset(RunCMake_TEST_NO_CLEAN)
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