Import Geant4 8.0.0 source tree

config/sys/WIN32-VC.gmk

@@ -10,9 +10,9 @@ ifeq ($(G4SYSTEM),WIN32-VC)
       CXXFLAGS  += -Od -Zi -Fd$(G4LIBDIR)/lib$(name)
     endif
   endif
-  CXXFLAGS += -MD -GR -GX -Zm200 -nologo -DWIN32
+  CXXFLAGS += -MD -GR -EHsc -Zm200 -nologo
   CXXFLAGS += -D_CONSOLE -D_WIN32 -DOS
-  CPPFLAGS += -DWIN32 -DXPNET
+  CPPFLAGS += -DWIN32 -DXPNET -D_CRT_SECURE_NO_DEPRECATE
   LDFLAGS  += -FORCE /NODEFAULTLIB:MSVCRT.dll
 
   SHEXT := dll

config/sys/WIN32-g++.gmk

@@ -7,7 +7,8 @@
 #
 ifeq ($(G4SYSTEM),WIN32-g++)
   CXX       := g++
-  CXXFLAGS  := -Wall -ansi -pedantic -pipe
+  CXXFLAGS  := -W -Wall -ansi -pedantic -Wno-non-virtual-dtor -Wno-long-long
+  CXXFLAGS  += -Wwrite-strings -Wpointer-arith -Woverloaded-virtual -pipe
   ifdef G4OPTIMISE
     CXXFLAGS  += -O
     FCFLAGS   := -O