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Diffstat (limited to 'Tests/RunCMake/Swift/RunCMakeTest.cmake')
-rw-r--r--Tests/RunCMake/Swift/RunCMakeTest.cmake10
1 files changed, 10 insertions, 0 deletions
diff --git a/Tests/RunCMake/Swift/RunCMakeTest.cmake b/Tests/RunCMake/Swift/RunCMakeTest.cmake
index 21d5a2520e..7f4464d23d 100644
--- a/Tests/RunCMake/Swift/RunCMakeTest.cmake
+++ b/Tests/RunCMake/Swift/RunCMakeTest.cmake
@@ -14,6 +14,16 @@ elseif(RunCMake_GENERATOR STREQUAL Ninja)
run_cmake(SwiftMultiArch)
unset(RunCMake_TEST_OPTIONS)
endif()
+
+ # Test that a second build with no changes does nothing.
+ block()
+ run_cmake(NoWorkToDo)
+ set(RunCMake_TEST_NO_CLEAN 1)
+ set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/NoWorkToDo-build)
+ set(RunCMake_TEST_OUTPUT_MERGE 1)
+ run_cmake_command(NoWorkToDo-build ${CMAKE_COMMAND} --build .)
+ run_cmake_command(NoWorkToDo-nowork ${CMAKE_COMMAND} --build . -- -d explain)
+ endblock()
endif()
elseif(RunCMake_GENERATOR STREQUAL "Ninja Multi-Config")
if(CMAKE_Swift_COMPILER)