$NetBSD: patch-configure,v 1.2 2017/01/11 12:58:50 wiz Exp $

DragonFly patches from DragonFly dports
iopl patches for NetBSD

--- configure.orig	2015-06-25 10:27:50.000000000 +0000
+++ configure
@@ -18024,13 +18024,13 @@ done
 $as_echo "#define VMMOUSE_OS_GENERIC 1" >>confdefs.h
 
      ;;
-     *bsd*)
+     *bsd*|*dragonfly*)
 
 $as_echo "#define VMMOUSE_OS_BSD 1" >>confdefs.h
 
      ;;
      solaris*)
-	 if test "x$GCC" == "xyes"; then
+	 if test "x$GCC" = "xyes"; then
             CC="$save_solaris_cc -fms-extensions"
 	 fi
 
@@ -18073,13 +18073,13 @@ case $host_cpu in
 	;;
      x86_64*|amd64*)
 	case $host_os in
-		*freebsd*)
+		*freebsd*|*dragonfly*)
 $as_echo "#define USE_DEV_IO 1" >>confdefs.h
  ;;
 		*netbsd*)
-$as_echo "#define USE_I386_IOPL 1" >>confdefs.h
+$as_echo "#define USE_X86_64_IOPL 1" >>confdefs.h
 
-				use_i386_iopl=yes ;;
+				use_x86_64_iopl=yes ;;
 		*openbsd*)
 $as_echo "#define USE_AMD64_IOPL 1" >>confdefs.h
 
@@ -18188,6 +18188,56 @@ fi
 
 fi
 
+if test x$use_x86_64_iopl = xyes; then
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86_64_iopl in -lx86_64" >&5
+$as_echo_n "checking for x86_64_iopl in -lx86_64... " >&6; }
+if ${ac_cv_lib_x86_64_x86_64_iopl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lx86_64  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char x86_64_iopl ();
+int
+main ()
+{
+return x86_64_iopl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_x86_64_x86_64_iopl=yes
+else
+  ac_cv_lib_x86_64_x86_64_iopl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_x86_64_x86_64_iopl" >&5
+$as_echo "$ac_cv_lib_x86_64_x86_64_iopl" >&6; }
+if test "x$ac_cv_lib_x86_64_x86_64_iopl" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBAMD64 1
+_ACEOF
+
+  LIBS="-lx86_64 $LIBS"
+
+else
+  as_fn_error $? "cannot find library for x86_64_iopl" "$LINENO" 5
+fi
+
+fi
+
 
 pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XORG" >&5