$NetBSD: patch-configure,v 1.14 2016/09/04 09:21:04 ryoon Exp $

Don't use gld on SunOS
add check for shm_open
avoid bad substitution

--- configure.orig	2016-09-02 15:34:17.000000000 +0000
+++ configure
@@ -625,7 +625,6 @@ SunOS)
   solaris="yes"
   make="${MAKE-gmake}"
   install="${INSTALL-ginstall}"
-  ld="gld"
   smbd="${SMBD-/usr/sfw/sbin/smbd}"
   needs_libsunmath="no"
   solarisrev=$(uname -r | cut -f2 -d.)
@@ -3706,6 +3705,27 @@ if compile_prog "" "" ; then
   fallocate_zero_range=yes
 fi
 
+# check for shm_open
+shm_open=no
+cat > $TMPC << EOF
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stddef.h> // for NULL
+
+int main(void)
+{
+    shm_open(NULL, O_RDWR, 0644);
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    shm_open=yes
+elif compile_prog "" "-lrt" ; then
+    LIBS="$LIBS -lrt"
+    shm_open=yes
+fi
+
 # check for posix_fallocate
 posix_fallocate=no
 cat > $TMPC << EOF
@@ -3955,8 +3975,13 @@ fi
 cat > $TMPC <<EOF
 #include <signal.h>
 #include <time.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
 int main(void) {
   timer_create(CLOCK_REALTIME, NULL, NULL);
+    shm_open(NULL, O_RDWR, 0644);
   return clock_gettime(CLOCK_REALTIME, NULL);
 }
 EOF
@@ -4607,7 +4632,9 @@ if test "$want_tools" = "yes" ; then
   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
     tools="qemu-nbd\$(EXESUF) $tools"
-    tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
+    if test "$shm_open" = "yes" ; then
+      tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
+    fi
   fi
 fi
 if test "$softmmu" = yes ; then
@@ -5114,6 +5141,9 @@ fi
 if test "$fallocate_zero_range" = "yes" ; then
   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
 fi
+if [ "$shm_open" = "yes" ] ; then
+  echo "CONFIG_SHM_OPEN=y" >> $config_host_mak
+fi
 if test "$posix_fallocate" = "yes" ; then
   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
 fi