--- configure.orig	2020-09-13 21:05:37 UTC
+++ configure
@@ -2947,9 +2947,9 @@ EOF
 		append_var LIBS "-specs=ds_arm9.specs"
 		append_var LIBS "-lnds9"
 		;;
-	freebsd* | openbsd*)
-		append_var LDFLAGS "-L/usr/local/lib"
-		append_var CXXFLAGS "-I/usr/local/include"
+	dragonfly* | freebsd* | openbsd*)
+		append_var LDFLAGS "-L%%LOCALBASE%%/lib"
+		append_var CXXFLAGS "-I%%LOCALBASE%%/include"
 		;;
 	gamecube)
 		_optimization_level=-Os
@@ -3920,6 +3920,9 @@ case $_host_os in
 	3ds | android | androidsdl | beos* | bsd* | darwin* | freebsd* | gnu* | gph-linux | haiku* | hpux* | iphone | ios7 | irix*| k*bsd*-gnu* | linux* | maemo | mint* | netbsd* | openbsd* | solaris* | sunos* | switch | uclinux*)
 		_posix=yes
 		;;
+	dragonfly*)
+		_posix=yes
+		;;
 	os2-emx*)
 		_posix=yes	# FIXME: Really???
 		;;