Build: Option to force generation of PDB file on MSVC Release build

CMakeLists.txt

@@ -22,6 +22,7 @@ option(SLIC3R_GUI    			"Compile Slic3r with GUI components (OpenGL, wxWidgets)"
 option(SLIC3R_PRUSACONTROL		"Compile Slic3r with the PrusaControl prject file format (requires wxWidgets base library)" 1)
 option(SLIC3R_PROFILE 			"Compile Slic3r with an invasive Shiny profiler" 0)
 option(SLIC3R_MSVC_COMPILE_PARALLEL "Compile on Visual Studio in parallel" 1)
+option(SLIC3R_MSVC_PDB          "Generate PDB files on MSVC in Release mode" 1)
 
 if (MSVC AND SLIC3R_MSVC_COMPILE_PARALLEL)
 	add_compile_options(/MP)

xs/CMakeLists.txt

@@ -497,6 +497,14 @@ if (WIN32)
     target_compile_definitions(XS PRIVATE -DNOGDI -DNOMINMAX -DHAS_BOOL)
 endif ()
 
+# SLIC3R_MSVC_PDB
+if (MSVC AND SLIC3R_MSVC_PDB AND ${CMAKE_BUILD_TYPE} STREQUAL "Release")
+    set_target_properties(XS PROPERTIES
+        COMPILE_FLAGS "/Zi"
+        LINK_FLAGS "/DEBUG /OPT:REF /OPT:ICF"
+    )
+endif()
+
 ## Configuration flags
 if (SLIC3R_GUI)
     message("Slic3r will be built with GUI support")