$NetBSD: patch-configure,v 1.1 2015/11/21 17:14:26 adam Exp $

Add DragonFly support.
Make use of PTHREAD_LDFLAGS.
Portability fix.

--- configure.orig	2011-11-19 16:50:37.000000000 +0000
+++ configure
@@ -5096,7 +5096,7 @@ case "${target_os}" in
 $as_echo "#define OS_LINUX 1" >>confdefs.h
 
     ;;
-  freebsd*|openbsd*|netbsd*|bsdi*|darwin*|rhapsody*)
+  freebsd*|openbsd*|netbsd*|bsdi*|darwin*|rhapsody*|dragonfly*)
     is_bsd=yes
 
 $as_echo "#define OS_BSD 1" >>confdefs.h
@@ -19431,7 +19431,7 @@ case "$host" in
 esac
 # let user override
 if test -n "$PTHREAD_LIBS" ; then
-  pthread_libs="$PTHREAD_LIBS"
+  pthread_libs="$PTHREAD_LIBS $PTHREAD_LDFLAGS"
 fi
 if test -n "$PTHREAD_CFLAGS" ; then
   pthread_cflags="$PTHREAD_CFLAGS"
@@ -29507,7 +29507,7 @@ if test "${enable_nuv+set}" = set; then 
     yes) if test yes != "$have_lzo"; then
            as_fn_error $? "liblzo2 is required for NuppelVideo support, try --enable-lzo" "$LINENO" 5
          fi
-    	 if test true == "$have_x86_64cpu"; then
+    	 if test true = "$have_x86_64cpu"; then
            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: NuppelVideo support on x86_64 platform is ***EXPERIMENTAL***" >&5
 $as_echo "$as_me: WARNING: NuppelVideo support on x86_64 platform is ***EXPERIMENTAL***" >&2;}
          elif test true != "$have_x86cpu"; then
