From 0475a5ca544e3a59fb961f14342228aad1d0acb6 Mon Sep 17 00:00:00 2001
From: ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 1 Apr 2007 18:54:44 +0000
Subject: [PATCH] Solaris 9/x86 support, by Ben Taylor.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2577 c046a42c-6fe2-441c-8c8c-71466251a162
---
 Makefile.target        |    6 ++++++
 configure              |   18 +++++++++++++++++-
 fpu/softfloat-native.c |   19 +++++++++++++++++++
 fpu/softfloat.h        |    4 ++++
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/Makefile.target b/Makefile.target
index 3d221ba..f53b024 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -217,6 +217,12 @@ LIBS+=-lwinmm -lws2_32 -liphlpapi
 endif
 ifdef CONFIG_SOLARIS
 LIBS+=-lsocket -lnsl -lresolv
+ifdef NEEDS_LIBSUNMATH
+LIBS+=-lsunmath
+LDFLAGS+=-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib
+OP_CFLAGS+=-I/opt/SUNWspro/prod/include/cc
+BASE_CFLAGS+=-I/opt/SUNWspro/prod/include/cc
+endif
 endif
 
 # profiling code
diff --git a/configure b/configure
index 7754774..a7761ca 100755
--- a/configure
+++ b/configure
@@ -139,9 +139,21 @@ SunOS)
     solaris="yes"
     make="gmake"
     install="ginstall"
+    needs_libsunmath="no"
     solarisrev=`uname -r | cut -f2 -d.`
     if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
-        if test "$solarisrev" -ge 10 ; then
+        if test "$solarisrev" -le 9 ; then
+            if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
+                needs_libsunmath="yes"
+            else
+                echo "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without"
+                echo "libsunmath from the Sun Studio compilers tools, due to a lack of"
+                echo "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86"
+                echo "Studio 11 can be downloaded from www.sun.com."
+                exit 1
+            fi
+        fi
+        if test "$solarisrev" -ge 9 ; then
             kqemu="yes"
         fi
     fi
@@ -727,6 +739,10 @@ fi
 if test "$solaris" = "yes" ; then
   echo "CONFIG_SOLARIS=yes" >> $config_mak
   echo "#define HOST_SOLARIS $solarisrev" >> $config_h
+  if test "$needs_libsunmath" = "yes" ; then
+    echo "NEEDS_LIBSUNMATH=yes" >> $config_mak
+    echo "#define NEEDS_LIBSUNMATH 1" >> $config_h
+  fi
 fi
 if test "$gdbstub" = "yes" ; then
   echo "CONFIG_GDBSTUB=yes" >> $config_mak
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c
index c629926..d827ae6 100644
--- a/fpu/softfloat-native.c
+++ b/fpu/softfloat-native.c
@@ -30,6 +30,25 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM)
 #define sqrtf(f)		((float)sqrt(f))
 #define remainderf(fa, fb)	((float)remainder(fa, fb))
 #define rintf(f)		((float)rint(f))
+#if !defined(__sparc__) && HOST_SOLARIS < 10
+extern long double rintl(long double);
+extern long double scalbnl(long double, int);
+
+long long
+llrintl(long double x) {
+	return ((long long) rintl(x));
+}
+
+long
+lrintl(long double x) {
+	return ((long) rintl(x));
+}
+
+long double
+ldexpl(long double x, int n) {
+	return (scalbnl(x, n));
+}
+#endif
 #endif
 
 #if defined(__powerpc__)
diff --git a/fpu/softfloat.h b/fpu/softfloat.h
index 00ec56b..21100c0 100644
--- a/fpu/softfloat.h
+++ b/fpu/softfloat.h
@@ -32,6 +32,10 @@ these four paragraphs for those parts of this code that are retained.
 #ifndef SOFTFLOAT_H
 #define SOFTFLOAT_H
 
+#if defined(HOST_SOLARIS) && defined(NEEDS_LIBSUNMATH)
+#include <sunmath.h>
+#endif
+
 #include <inttypes.h>
 #include "config.h"
 
-- 
1.7.9.5