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-rw-r--r--Modules/Qt4Macros.cmake2
-rw-r--r--Tests/Qt4Targets/CMakeLists.txt27
-rw-r--r--Tests/Qt4Targets/IncrementalMoc/CMakeLists.txt13
-rw-r--r--Tests/Qt4Targets/IncrementalMoc/foo.cpp8
-rw-r--r--Tests/Qt4Targets/IncrementalMoc/foo.h9
5 files changed, 58 insertions, 1 deletions
diff --git a/Modules/Qt4Macros.cmake b/Modules/Qt4Macros.cmake
index 8baf896..aca8996 100644
--- a/Modules/Qt4Macros.cmake
+++ b/Modules/Qt4Macros.cmake
@@ -141,7 +141,7 @@ macro (QT4_CREATE_MOC_COMMAND infile outfile moc_flags moc_options moc_target)
set(_moc_extra_parameters_file @${_moc_parameters_file})
add_custom_command(OUTPUT ${outfile}
COMMAND Qt4::moc ${_moc_extra_parameters_file}
- DEPENDS ${infile}
+ DEPENDS ${infile} ${_moc_parameters_file}
${_moc_working_dir}
VERBATIM)
endmacro ()
diff --git a/Tests/Qt4Targets/CMakeLists.txt b/Tests/Qt4Targets/CMakeLists.txt
index af9fc3f..7430084 100644
--- a/Tests/Qt4Targets/CMakeLists.txt
+++ b/Tests/Qt4Targets/CMakeLists.txt
@@ -36,3 +36,30 @@ add_executable(Qt4WrapMacroTest WIN32 main_wrap_test.cpp ${moc_file})
set_property(TARGET Qt4WrapMacroTest PROPERTY AUTOMOC OFF)
target_include_directories(Qt4WrapMacroTest PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/interface")
target_link_libraries(Qt4WrapMacroTest Qt4::QtGui)
+
+set(timeformat "%Y%j%H%M%S")
+try_compile(RESULT
+ "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild"
+ "${CMAKE_CURRENT_SOURCE_DIR}/IncrementalMoc"
+ IncrementalMoc
+ CMAKE_FLAGS -DADD_DEF=0 "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}")
+file(TIMESTAMP "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild/moc_foo.cpp" tsvar_before "${timeformat}")
+if (NOT tsvar_before)
+ message(SEND_ERROR "Unable to read timestamp from moc file from first build!")
+endif()
+
+execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 2) # Ensure that the timestamp will change.
+
+try_compile(RESULT
+ "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild"
+ "${CMAKE_CURRENT_SOURCE_DIR}/IncrementalMoc"
+ IncrementalMoc
+ CMAKE_FLAGS -DADD_DEF=1 "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}")
+file(TIMESTAMP "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild/moc_foo.cpp" tsvar_after "${timeformat}")
+if (NOT tsvar_after)
+ message(SEND_ERROR "Unable to read timestamp from moc file from second build!")
+endif()
+
+if (NOT tsvar_after GREATER tsvar_before)
+ message(SEND_ERROR "Rebuild did not re-create moc file. Before: ${tsvar_before}. After: ${tsvar_after}")
+endif()
diff --git a/Tests/Qt4Targets/IncrementalMoc/CMakeLists.txt b/Tests/Qt4Targets/IncrementalMoc/CMakeLists.txt
new file mode 100644
index 0000000..4ba0ced
--- /dev/null
+++ b/Tests/Qt4Targets/IncrementalMoc/CMakeLists.txt
@@ -0,0 +1,13 @@
+
+cmake_minimum_required(VERSION 2.8.12)
+project(IncrementalMoc)
+
+find_package(Qt4 REQUIRED)
+
+qt4_generate_moc(foo.h moc_foo.cpp)
+
+add_library(testlib foo.cpp moc_foo.cpp)
+target_link_libraries(testlib Qt4::QtCore)
+if (ADD_DEF)
+ target_compile_definitions(testlib PRIVATE NEW_DEF)
+endif()
diff --git a/Tests/Qt4Targets/IncrementalMoc/foo.cpp b/Tests/Qt4Targets/IncrementalMoc/foo.cpp
new file mode 100644
index 0000000..e924f7e
--- /dev/null
+++ b/Tests/Qt4Targets/IncrementalMoc/foo.cpp
@@ -0,0 +1,8 @@
+
+#include "foo.h"
+
+Foo::Foo()
+ : QObject(0)
+{
+
+}
diff --git a/Tests/Qt4Targets/IncrementalMoc/foo.h b/Tests/Qt4Targets/IncrementalMoc/foo.h
new file mode 100644
index 0000000..38d899f
--- /dev/null
+++ b/Tests/Qt4Targets/IncrementalMoc/foo.h
@@ -0,0 +1,9 @@
+
+#include <QObject>
+
+class Foo : QObject
+{
+ Q_OBJECT
+public:
+ Foo();
+};