$OpenBSD: patch-configure,v 1.4 2018/07/05 09:18:34 bentley Exp $
Freetype's headers conflict with -pedantic.
Index: configure
--- configure.orig
+++ configure
@@ -2002,7 +2002,7 @@ echo $_use_cxx11
 # However, some platforms use GNU extensions in system header files, so
 # for these we must not use -pedantic.
 case $_host_os in
-android | androidsdl | gamecube | psp | tizen | wii | webos)
+android | androidsdl | gamecube | psp | tizen | wii | webos | openbsd* )
 	;;
 *)
 	# ICC does not support pedantic, while GCC and clang do.
