--- configure.orig	2020-05-02 14:03:18 UTC
+++ configure
@@ -4047,7 +4047,7 @@ case "${host}" in
 
     DEFAULT_DEFAULT_wxUSE_MOTIF=1
   ;;
-  *-*-freebsd*)
+  *-*-dragonfly*|*-*-freebsd*)
     USE_BSD=1
     USE_FREEBSD=1
     $as_echo "#define __FREEBSD__ 1" >>confdefs.h
@@ -21657,6 +21657,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 SEARCH_INCLUDE="\
+    $X11BASE/include          \
     /usr/local/include        \
     /usr/local/X11/include    \
     /usr/local/include/X11    \
@@ -22421,6 +22422,7 @@ else
 
                     #include <png.h>
                     #include <stdio.h>
+                    #include <stdlib.h>
 
                     int main()
                     {
@@ -31499,9 +31501,6 @@ $as_echo "$as_me: WARNING: BeOS threads are not yet su
                                         THREAD_OPTS="-pthreads $THREAD_OPTS"
                 fi
                 ;;
-          *-*-freebsd*)
-                                                THREAD_OPTS="-kthread lthread $THREAD_OPTS c_r"
-                ;;
           *-*-darwin* | *-*-cygwin* )
                                                 THREAD_OPTS=""
                 ;;
@@ -32764,8 +32763,8 @@ else
         fi
     fi
 fi
+OPTIMISE_CFLAGS=
 
-
 if test "x$WXWIN_COMPATIBILITY_2_6" = "xyes"; then
     $as_echo "#define WXWIN_COMPATIBILITY_2_6 1" >>confdefs.h
 
@@ -39001,6 +39000,7 @@ fi
       ;;
 
       powerpc-apple-macos* | \
+      *-*-dragonfly* | \
       *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | *-*-gnu* | *-*-k*bsd*-gnu | \
       *-*-mirbsd* | \
       *-*-sunos4* | \
@@ -39042,6 +39042,7 @@ fi
 
     case "${BAKEFILE_HOST}" in
       *-*-linux* | *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
+      *-*-dragonfly* | \
       *-*-k*bsd*-gnu | *-*-mirbsd* | *-*-gnu* )
         if test "x$SUNCXX" = "xyes"; then
             SONAME_FLAG="-h "