Fix the PostInitConfig flag in FairYamlVMCConfig

By mistake, the flag was set to true in the constructor.
Added log output in the file for the auto tests.

Move EGPythia6 requirement to fairtools MCConfigurator directory.
Setting property PIC for example MQ pixel.

Author: karabowi

examples/MQ/pixelDetector/src/CMakeLists.txt

@@ -57,6 +57,7 @@ list(APPEND headers
 add_library(${target} SHARED ${sources} ${no_dict_sources} ${headers} ${no_dict_headers})
 add_library(FairRoot::${target} ALIAS ${target})
 set_target_properties(${target} PROPERTIES ${PROJECT_LIBRARY_PROPERTIES})
+set_property(TARGET ${target} PROPERTY POSITION_INDEPENDENT_CODE ON)
 
 target_include_directories(${target} PUBLIC
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>

fairtools/MCConfigurator/FairYamlVMCConfig.cxx

@@ -35,7 +35,6 @@ FairYamlVMCConfig::FairYamlVMCConfig()
     : FairGenericVMCConfig()
     , fMCEngine("")
 {
-    UsePostInitConfig();
 }
 
 void FairYamlVMCConfig::Setup(const char* mcEngine)
@@ -69,6 +68,7 @@ void FairYamlVMCConfig::SetupPostInit(const char* mcEngine)
     if (!((strcmp(mcEngine, "TGeant4") == 0))) {
         LOG(fatal) << "FairYamlVMCConfig::SetupPostInit() only valid for TGeant4.";
     }
+    LOG(info) << "Loading Geant4 PostInit Config." << endl;
 
     TString work = getenv("VMCWORKDIR");
     TString work_config = work + "/gconfig/";