devel/liblouis picks up libyaml if installed but breaks because the header
can't be located. Now this is only needed for tests so maybe just disable
libyaml detection instead.

-- 
:wq Claudio

Index: Makefile
===================================================================
RCS file: /cvs/ports/devel/liblouis/Makefile,v
diff -u -p -r1.56 Makefile
--- Makefile	16 Sep 2025 11:15:53 -0000	1.56
+++ Makefile	15 Dec 2025 12:53:30 -0000
@@ -30,7 +30,8 @@ RUN_DEPENDS +=	shells/bash
 CONFIGURE_STYLE=gnu
 
 CONFIGURE_ARGS=	--with-packager="OpenBSD Ports" \
-		--enable-ucs4
+		--enable-ucs4 \
+		--without-yaml
 
 BUILD_DEPENDS +=	devel/m4
 pre-configure: