AutoGen: Add test to check for correct AutoMoc dependencies
When using Qt 5.15.0 or above together with Ninja, check that touching
a source file of a dependency does not needlessly re-run AUTOMOC for
the dependee target.
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index e9f8bca..0b2ef6a 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -134,6 +134,9 @@
if(CMAKE_Fortran_COMPILER)
list(APPEND Ninja_ARGS -DTEST_Fortran=1)
endif()
+ if(CMake_TEST_Qt5 AND Qt5Core_FOUND)
+ list(APPEND Ninja_ARGS -DCMake_TEST_Qt5=1 -DCMAKE_TEST_Qt5Core_Version=${Qt5Core_VERSION})
+ endif()
add_RunCMake_test(Ninja)
set(NinjaMultiConfig_ARGS
-DCYGWIN=${CYGWIN}
diff --git a/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake b/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake
new file mode 100644
index 0000000..d69a119
--- /dev/null
+++ b/Tests/RunCMake/Ninja/Qt5AutoMocDeps.cmake
@@ -0,0 +1,9 @@
+enable_language(CXX)
+
+find_package(Qt5Core REQUIRED)
+
+set(CMAKE_AUTOMOC ON)
+
+add_library(simple_lib SHARED simple_lib.cpp)
+add_executable(app_with_qt app.cpp app_qt.cpp)
+target_link_libraries(app_with_qt PRIVATE simple_lib Qt5::Core)
diff --git a/Tests/RunCMake/Ninja/RunCMakeTest.cmake b/Tests/RunCMake/Ninja/RunCMakeTest.cmake
index 0eada08..c1f6346 100644
--- a/Tests/RunCMake/Ninja/RunCMakeTest.cmake
+++ b/Tests/RunCMake/Ninja/RunCMakeTest.cmake
@@ -132,6 +132,7 @@
message(FATAL_ERROR
"top ninja build failed exited with status ${ninja_result}")
endif()
+ set(ninja_stdout "${ninja_stdout}" PARENT_SCOPE)
endfunction(run_ninja)
function (run_LooseObjectDepends)
@@ -316,3 +317,23 @@
run_ninja("${RunCMake_TEST_BINARY_DIR}" -w dupbuild=err)
endfunction()
run_ChangeBuildType()
+
+function(run_Qt5AutoMocDeps)
+ if(CMake_TEST_Qt5 AND CMAKE_TEST_Qt5Core_Version VERSION_GREATER_EQUAL 5.15.0)
+ set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/Qt5AutoMocDeps-build)
+ run_cmake(Qt5AutoMocDeps)
+ unset(RunCMake_TEST_OPTIONS)
+ # Build the project.
+ run_ninja("${RunCMake_TEST_BINARY_DIR}")
+ # Touch just the library source file, which shouldn't cause a rerun of AUTOMOC
+ # for app_with_qt target.
+ touch("${RunCMake_SOURCE_DIR}/simple_lib.cpp")
+ # Build and assert that AUTOMOC was not run for app_with_qt.
+ run_ninja("${RunCMake_TEST_BINARY_DIR}")
+ if(ninja_stdout MATCHES "Automatic MOC for target app_with_qt")
+ message(FATAL_ERROR
+ "AUTOMOC should not have executed for 'app_with_qt' target:\nstdout:\n${ninja_stdout}")
+ endif()
+ endif()
+endfunction()
+run_Qt5AutoMocDeps()
diff --git a/Tests/RunCMake/Ninja/app.cpp b/Tests/RunCMake/Ninja/app.cpp
new file mode 100644
index 0000000..57380e4
--- /dev/null
+++ b/Tests/RunCMake/Ninja/app.cpp
@@ -0,0 +1,6 @@
+int main(int argc, char* argv[])
+{
+ (void)argc;
+ (void)argv;
+ return 0;
+}
diff --git a/Tests/RunCMake/Ninja/app_qt.cpp b/Tests/RunCMake/Ninja/app_qt.cpp
new file mode 100644
index 0000000..302c672
--- /dev/null
+++ b/Tests/RunCMake/Ninja/app_qt.cpp
@@ -0,0 +1,11 @@
+#include <QObject>
+
+class Mango : public QObject
+{
+ Q_OBJECT
+public:
+Q_SIGNALS:
+ void eatFruit();
+};
+
+#include "app_qt.moc"
diff --git a/Tests/RunCMake/Ninja/simple_lib.cpp b/Tests/RunCMake/Ninja/simple_lib.cpp
new file mode 100644
index 0000000..cf8d689
--- /dev/null
+++ b/Tests/RunCMake/Ninja/simple_lib.cpp
@@ -0,0 +1,6 @@
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+ void dummy_symbol()
+{
+}
