msvc: Disable a level 4 warning and change -W3 to -W4

Signed-off-by: Ramsay Jones <[email protected]>

Author: Ramsay Jones

Makefile

@@ -42,7 +42,7 @@ ifeq ($(uname_S),Windows)
 	RANLIB = echo
 	CC = cl -nologo
 	AR = lib -nologo
-	CFLAGS = -TC -W3 -RTC1 -Zi -DWIN32 -D_DEBUG -D_LIB
+	CFLAGS = -TC -W4 -RTC1 -Zi -DWIN32 -D_DEBUG -D_LIB
 	AR_OUT=-out:
 	CC_OUT=-Fo
 	NO_VISIBILITY=YesPlease

src/cc-compat.h

@@ -66,6 +66,8 @@
 #if defined(_MSC_VER)
 /* disable "deprecated function" warnings */
 # pragma warning ( disable : 4996 )
+/* disable "conditional expression is constant" level 4 warnings */
+# pragma warning ( disable : 4127 )
 #endif
 
 #endif /* INCLUDE_compat_h__ */

tests/Makefile

@@ -28,7 +28,7 @@ CC_OUT=-o # add a space
 ifeq ($(uname_S),Windows)
 	CC = cl -nologo
 	LD = link -nologo
-	CFLAGS = -TC -W3 -RTC1 -Zi -DWIN32 -D_DEBUG -D_LIB
+	CFLAGS = -TC -W4 -RTC1 -Zi -DWIN32 -D_DEBUG -D_LIB
 	LD_OUT=-out:
 	CC_OUT=-Fo