diff -ruN qemu/configure qemu-solaris/configure
--- qemu/configure	2006-04-29 19:05:22.000000000 -0400
+++ qemu-solaris/configure	2006-05-01 08:37:36.435003000 -0400
@@ -148,9 +148,6 @@
     make="gmake"
     install="ginstall"
     solarisrev=`uname -r | cut -f2 -d.`
-    if test $solarisrev -lt 10 ; then
-      presolaris10="yes"
-    fi
 fi
 
 # find source path
@@ -640,9 +637,7 @@
 fi
 if test "$solaris" = "yes" ; then
   echo "CONFIG_SOLARIS=yes" >> $config_mak
-  if test "$presolaris10" = "yes" ; then
-    echo "#define _PRESOLARIS10 1" >> $config_h
-  fi
+  echo "#define HOST_SOLARIS $solarisrev" >> $config_h
 fi
 if test "$gdbstub" = "yes" ; then
   echo "CONFIG_GDBSTUB=yes" >> $config_mak
diff -ruN qemu/fpu/softfloat-native.h qemu-solaris/fpu/softfloat-native.h
--- qemu/fpu/softfloat-native.h	2006-05-01 08:41:49.614160000 -0400
+++ qemu-solaris/fpu/softfloat-native.h	2006-05-01 08:42:07.850655000 -0400
@@ -1,11 +1,36 @@
 /* Native implementation of soft float functions */
 #include <math.h>
-#if defined(_BSD) && !defined(__APPLE__)
+
+#if (defined(_BSD) && !defined(__APPLE__)) || defined(HOST_SOLARIS)
 #include <ieeefp.h>
+#define fabsf(f) ((float)fabs(f))
 #else
-#if !defined(_PRESOLARIS10)
 #include <fenv.h>
 #endif
+
+/*
+ * Define some C99-7.12.3 classification macros and
+ *        some C99-.12.4 for Solaris systems OS less than 10,
+ *        or Solaris 10 systems running GCC 3.x or less.
+ *   Solaris 10 with GCC4 does not need these macros as they
+ *   are defined in <iso/math_c99.h> with a compiler directive
+ */
+#if defined(HOST_SOLARIS) && (( HOST_SOLARIS <= 9 ) || ( ( HOST_SOLARIS >= 10 ) && ( __GNUC__ <= 4) ))
+/*
+ * C99 7.12.3 classification macros
+ * and
+ * C99 7.12.14 comparison macros
+ *
+ * ... do not work on Solaris 10 using GNU CC 3.4.x.
+ * Try to workaround the missing / broken C99 math macros.
+ */
+
+#define isnormal(x)             (fpclass(x) >= FP_NZERO)
+#define isgreater(x, y)         ((!unordered(x, y)) && ((x) > (y)))
+#define isgreaterequal(x, y)    ((!unordered(x, y)) && ((x) >= (y)))
+#define isless(x, y)            ((!unordered(x, y)) && ((x) < (y)))
+#define islessequal(x, y)       ((!unordered(x, y)) && ((x) <= (y)))
+#define isunordered(x,y)        unordered(x, y)
 #endif
 
 typedef float float32;
@@ -35,7 +60,7 @@
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE floating-point rounding mode.
 *----------------------------------------------------------------------------*/
-#if defined(_BSD) && !defined(__APPLE__)
+#if (defined(_BSD) && !defined(__APPLE__)) || defined(HOST_SOLARIS)
 enum {
     float_round_nearest_even = FP_RN,
     float_round_down         = FP_RM,