Fix OpenSolaris softfloat warnings

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7102 c046a42c-6fe2-441c-8c8c-71466251a162

configure

@@ -306,6 +306,7 @@ SunOS)
         audio_drv_list="oss"
     fi
     audio_possible_drivers="oss sdl"
+    OS_CFLAGS=-std=gnu99
 ;;
 AIX)
 aix="yes"

fpu/softfloat-native.c

@@ -2,6 +2,9 @@
    context is supported */
 #include "softfloat.h"
 #include <math.h>
+#if defined(HOST_SOLARIS)
+#include <fenv.h>
+#endif
 
 void set_float_rounding_mode(int val STATUS_PARAM)
 {

fpu/softfloat-native.h

@@ -20,7 +20,7 @@
  *   are defined in <iso/math_c99.h> with a compiler directive
  */
 #if defined(HOST_SOLARIS) && (( HOST_SOLARIS <= 9 ) || ((HOST_SOLARIS >= 10) \
-                                                        && (__GNUC__ <= 4))) \
+                                                        && (__GNUC__ < 4))) \
     || (defined(__OpenBSD__) && (OpenBSD < 200811))
 /*
  * C99 7.12.3 classification macros