-# ADD BASE CPP /nologo /FD /MD /Zi /Fdvc_mswunivudll\zip.pdb /O2 /GR /EHsc /I ".\..\..\..\lib\vc_dll\mswunivu" /I ".\..\..\..\include" /W4 /I "." /I ".\..\..\..\samples" /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /c\r
-# ADD CPP /nologo /FD /MD /Zi /Fdvc_mswunivudll\zip.pdb /O2 /GR /EHsc /I ".\..\..\..\lib\vc_dll\mswunivu" /I ".\..\..\..\include" /W4 /I "." /I ".\..\..\..\samples" /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /c\r
-# ADD BASE MTL /nologo /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /mktyplib203 /win32\r
-# ADD MTL /nologo /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /mktyplib203 /win32\r
-# ADD BASE RSC /l 0x409 /d "__WXMSW__" /d "__WXUNIVERSAL__" /d "_UNICODE" /i ".\..\..\..\lib\vc_dll\mswunivu" /i ".\..\..\..\include" /i "." /d "WXUSINGDLL" /d "_WINDOWS" /i ".\..\..\..\samples" /d NOPCH\r
-# ADD RSC /l 0x409 /d "__WXMSW__" /d "__WXUNIVERSAL__" /d "_UNICODE" /i ".\..\..\..\lib\vc_dll\mswunivu" /i ".\..\..\..\include" /i "." /d "WXUSINGDLL" /d "_WINDOWS" /i ".\..\..\..\samples" /d NOPCH\r
+# ADD BASE CPP /nologo /FD /MD /Zi /Fdvc_mswunivudll\zip.pdb /opt:ref /opt:icf /O2 /GR /EHsc /I ".\..\..\..\lib\vc_dll\mswunivu" /I ".\..\..\..\include" /W4 /I "." /I ".\..\..\..\samples" /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "NDEBUG" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /c\r
+# ADD CPP /nologo /FD /MD /Zi /Fdvc_mswunivudll\zip.pdb /opt:ref /opt:icf /O2 /GR /EHsc /I ".\..\..\..\lib\vc_dll\mswunivu" /I ".\..\..\..\include" /W4 /I "." /I ".\..\..\..\samples" /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "NDEBUG" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /c\r
+# ADD BASE MTL /nologo /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "NDEBUG" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /mktyplib203 /win32\r
+# ADD MTL /nologo /D "WIN32" /D "__WXMSW__" /D "__WXUNIVERSAL__" /D "NDEBUG" /D "_UNICODE" /D "WXUSINGDLL" /D "_WINDOWS" /D "NOPCH" /mktyplib203 /win32\r
+# ADD BASE RSC /l 0x409 /d "__WXMSW__" /d "__WXUNIVERSAL__" /d "NDEBUG" /d "_UNICODE" /i ".\..\..\..\lib\vc_dll\mswunivu" /i ".\..\..\..\include" /i "." /d "WXUSINGDLL" /d "_WINDOWS" /i ".\..\..\..\samples" /d NOPCH\r
+# ADD RSC /l 0x409 /d "__WXMSW__" /d "__WXUNIVERSAL__" /d "NDEBUG" /d "_UNICODE" /i ".\..\..\..\lib\vc_dll\mswunivu" /i ".\..\..\..\include" /i "." /d "WXUSINGDLL" /d "_WINDOWS" /i ".\..\..\..\samples" /d NOPCH\r