+ Option to build release version with debug information

CMakeLists.txt

@@ -91,6 +91,7 @@ MESSAGE(STATUS "includedir: ${CMAKE_INSTALL_INCLUDEDIR}")
 # ==============================================================================
 # == Win32 is default behaviour use the LibPack copied in Source tree ==========
 if(MSVC)
+    OPTION(FREECAD_RELEASE_PDB "Create PDB file for Release version." OFF)
     OPTION(FREECAD_LIBPACK_USE "Use the LibPack to Build FreeCAD (only Win32 so far)." ON)
     OPTION(FREECAD_LIBPACK_USEPYSIDE "Use PySide in LibPack rather to PyQt and Swig." ON)
     set(FREECAD_LIBPACK_DIR ${CMAKE_SOURCE_DIR} CACHE PATH  "Directory of the FreeCAD LibPack")
@@ -656,6 +657,10 @@ IF(MSVC)
 	# set linker flag /nodefaultlib
 	set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /NODEFAULTLIB")
 	SET (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /NODEFAULTLIB")
+	IF(FREECAD_RELEASE_PDB)
+		set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi")
+		set (CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG")
+	ENDIF(FREECAD_RELEASE_PDB)
 
 	# Mark 32 bit executables large address aware so they can use > 2GB address space
 	# NOTE: This setting only has an effect on machines with at least 3GB of RAM, although it sets the linker option it doesn't set the the linker switch 'Enable Large Addresses'