automoc: fix #12541, support moc options

This commit adds a new target property AUTOMOC_MOC_OPTIONS, which
can be set to add extra options for the moc invocations done via automoc.
This is equivalent to the OPTIONS parameter in the qt4_wrap_cpp() macro.

Alex

Modules/AutomocInfo.cmake.in

@@ -3,6 +3,7 @@ set(AM_HEADERS "@_moc_headers@" )
 set(AM_MOC_COMPILE_DEFINITIONS "@_moc_compile_defs@")
 set(AM_MOC_DEFINITIONS "@_moc_defs@")
 set(AM_MOC_INCLUDES "@_moc_incs@")
+set(AM_MOC_OPTIONS "@_moc_options@")
 set(AM_CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE "@CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE@")
 set(AM_CMAKE_BINARY_DIR "@CMAKE_BINARY_DIR@/")
 set(AM_CMAKE_SOURCE_DIR "@CMAKE_SOURCE_DIR@/")

Source/cmQtAutomoc.cxx

@@ -130,6 +130,8 @@ void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
   std::string _moc_defs = (tmp!=0 ? tmp : "");
   tmp = makefile->GetProperty("COMPILE_DEFINITIONS");
   std::string _moc_compile_defs = (tmp!=0 ? tmp : "");
+  tmp = target->GetProperty("AUTOMOC_MOC_OPTIONS");
+  std::string _moc_options = (tmp!=0 ? tmp : "");
 
   // forget the variables added here afterwards again:
   cmMakefile::ScopePushPop varScope(makefile);
@@ -139,6 +141,7 @@ void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
   makefile->AddDefinition("_moc_incs", _moc_incs.c_str());
   makefile->AddDefinition("_moc_defs", _moc_defs.c_str());
   makefile->AddDefinition("_moc_compile_defs", _moc_compile_defs.c_str());
+  makefile->AddDefinition("_moc_options", _moc_options.c_str());
   makefile->AddDefinition("_moc_files", _moc_files.c_str());
   makefile->AddDefinition("_moc_headers", _moc_headers.c_str());
 
@@ -230,6 +233,7 @@ bool cmQtAutomoc::ReadAutomocInfoFile(cmMakefile* makefile,
                                                  "AM_MOC_COMPILE_DEFINITIONS");
   this->MocDefinitionsStr = makefile->GetSafeDefinition("AM_MOC_DEFINITIONS");
   this->MocIncludesStr = makefile->GetSafeDefinition("AM_MOC_INCLUDES");
+  this->MocOptionsStr = makefile->GetSafeDefinition("AM_MOC_OPTIONS");
   this->ProjectBinaryDir = makefile->GetSafeDefinition("AM_CMAKE_BINARY_DIR");
   this->ProjectSourceDir = makefile->GetSafeDefinition("AM_CMAKE_SOURCE_DIR");
   this->TargetName = makefile->GetSafeDefinition("AM_TARGET_NAME");
@@ -306,6 +310,8 @@ void cmQtAutomoc::Init()
       }
     }
 
+  cmSystemTools::ExpandListArgument(this->MocOptionsStr, this->MocOptions);
+
   std::vector<std::string> incPaths;
   cmSystemTools::ExpandListArgument(this->MocIncludesStr, incPaths);
 
@@ -715,6 +721,12 @@ bool cmQtAutomoc::GenerateMoc(const std::string& sourceFile,
       {
       command.push_back(*it);
       }
+    for(std::vector<std::string>::const_iterator it=this->MocOptions.begin();
+        it != this->MocOptions.end();
+        ++it)
+      {
+      command.push_back(*it);
+      }
 #ifdef _WIN32
     command.push_back("-DWIN32");
 #endif

Source/cmQtAutomoc.h

@@ -62,6 +62,7 @@ private:
   std::string MocCompileDefinitionsStr;
   std::string MocDefinitionsStr;
   std::string MocIncludesStr;
+  std::string MocOptionsStr;
   std::string ProjectBinaryDir;
   std::string ProjectSourceDir;
   std::string TargetName;
@@ -71,6 +72,7 @@ private:
   std::string OutMocCppFilename;
   std::list<std::string> MocIncludes;
   std::list<std::string> MocDefinitions;
+  std::vector<std::string> MocOptions;
 
   bool Verbose;
   bool ColorOutput;

Source/cmTarget.cxx

@@ -1179,6 +1179,7 @@ void cmTarget::SetMakefile(cmMakefile* mf)
   this->SetPropertyDefault("Fortran_MODULE_DIRECTORY", 0);
   this->SetPropertyDefault("OSX_ARCHITECTURES", 0);
   this->SetPropertyDefault("AUTOMOC", 0);
+  this->SetPropertyDefault("AUTOMOC_MOC_OPTIONS", 0);
   this->SetPropertyDefault("LINK_INTERFACE_LIBRARIES", 0);
 
   // Collect the set of configuration types.