$NetBSD: patch-configure,v 1.17 2017/02/27 05:19:29 adam Exp $

Don't use gld on SunOS
Use ncursesw6-config; define NCURSES_WIDECHAR to fix building on Darwin (at least).
add check for shm_open
avoid bad substitution

--- configure.orig	2016-12-20 20:16:44.000000000 +0000
+++ configure
@@ -631,7 +631,6 @@ 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.)
@@ -2928,23 +2927,23 @@ if test "$curses" != "no" ; then
     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
   else
-    curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
-    curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
+    curses_inc_list="$(/dist/pkg/bin/ncursesw6-config --cflags 2>/dev/null):-I/usr/include/ncursesw:"
+    curses_lib_list="$(/dist/pkg/bin/ncursesw6-config --libs 2>/dev/null):-lncursesw:-lcursesw"
   fi
   curses_found=no
   cat > $TMPC << EOF
 #include <locale.h>
+#define NCURSES_WIDECHAR 1
 #include <curses.h>
 #include <wchar.h>
 int main(void) {
-  const char *s = curses_version();
   wchar_t wch = L'w';
   setlocale(LC_ALL, "");
   resize_term(0, 0);
   addwstr(L"wide chars\n");
   addnwstr(&wch, 1);
   add_wch(WACS_DEGREE);
-  return s != 0;
+  return 0;
 }
 EOF
   IFS=:
@@ -3762,6 +3761,27 @@ 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
@@ -4041,8 +4061,13 @@ fi
 cat > $TMPC <<EOF
 #include <signal.h>
 #include <time.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
 int main(void) {
   timer_create(CLOCK_REALTIME, NULL, NULL);
+    shm_open(NULL, O_RDWR, 0644);
   return clock_gettime(CLOCK_REALTIME, NULL);
 }
 EOF
@@ -4797,7 +4822,9 @@ if test "$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
@@ -5303,6 +5330,9 @@ 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