Enable debug symbols for all builds

libwebp/Makefile.vc

@@ -27,11 +27,11 @@ PLATFORM_LDFLAGS = /SAFESEH
 ## Nothing more to do below this line!
 
 NOLOGO     = /nologo
-CCNODBG    = cl.exe $(NOLOGO) /O2 /DNDEBUG
+CCNODBG    = cl.exe $(NOLOGO) /O2 /Ob3 /Zi /DNDEBUG
 CCDEBUG    = cl.exe $(NOLOGO) /Od /Gm /Zi /D_DEBUG /RTC1
 CFLAGS     = /I. /Isrc $(NOLOGO) /W3 /EHsc /c
 CFLAGS     = $(CFLAGS) /DWIN32 /D_CRT_SECURE_NO_WARNINGS /DWIN32_LEAN_AND_MEAN
-LDFLAGS    = /LARGEADDRESSAWARE /MANIFEST /NXCOMPAT /DYNAMICBASE
+LDFLAGS    = /LARGEADDRESSAWARE /MANIFEST /NXCOMPAT /DYNAMICBASE /DEBUG:FULL
 LDFLAGS    = $(LDFLAGS) $(PLATFORM_LDFLAGS)
 LNKDLL     = link.exe /DLL $(NOLOGO)
 LNKEXE     = link.exe $(NOLOGO)