6989760: cmm native compiler warnings

Reviewed-by: prr, ohair

make/sun/cmm/kcms/Makefile

@@ -72,7 +72,8 @@ $(SERVICEDIR)/%: $(CLOSED_SRC)/share/classes/sun/java2d/cmm/kcms/META-INF/servic
 # Extra rules
 #
 ifeq  ($(PLATFORM), linux)
-LDLIBS += -lpthread
+    LDLIBS += -lpthread
+    OTHER_CFLAGS += -Wno-missing-field-initializers
 endif
 
 clean clobber:: 
@@ -104,6 +105,5 @@ CPPFLAGS += -I$(CLASSHDRDIR) \
 
 endif # PLATFORM
 
-#CFLAGS += -DJAVACMM -DFUT_CALC_EX -DNO_FUT_GCONST
-CFLAGS += -DFUT_CALC_EX -DNO_FUT_GCONST
+CFLAGS += -DJAVACMM -DFUT_CALC_EX -DNO_FUT_GCONST
 

src/share/native/sun/awt/image/jpeg/imageioJPEG.c

@@ -40,7 +40,7 @@
 #include <setjmp.h>
 #include <assert.h>
 #include <string.h>
-
+#include <limits.h>
 
 /* java native interface headers */
 #include "jni.h"
@@ -2657,7 +2657,7 @@ Java_com_sun_imageio_plugins_jpeg_JPEGImageWriter_writeImage
         (destWidth < 0) || (destWidth > srcWidth) ||
         (destHeight < 0) ||
         (stepX < 0) || (stepY < 0) ||
-        ((scanLineSize / numBands) < destWidth))  /* destWidth causes an integer overflow */
+        ((INT_MAX / numBands) < destWidth))  /* destWidth causes an integer overflow */
     {
         JNU_ThrowByName(env, "javax/imageio/IIOException",
                         "Invalid argument to native writeImage");