Index: projects/doctools/cddl/usr.bin/doctools/Makefile.inc
===================================================================
--- projects/doctools/cddl/usr.bin/doctools/Makefile.inc	(revision 307374)
+++ projects/doctools/cddl/usr.bin/doctools/Makefile.inc	(revision 307375)
@@ -1,16 +1,16 @@
 DOCTOOLSDIR=	${SRCTOP}/contrib/heirloom-doctools
-CFLAGS+=	-I${DOCTOOLSDIR}/include
+CFLAGS+=	-I${DOCTOOLSDIR}/include -DHAVE_STRLCPY -DHAVE_STRLCAT -DHAVE_WCSLCPY
 NO_WERROR=	yes
 LIBDIR=	/usr/libexec/doctools
 REFDIR=	${LIBDIR}/reftools
 DTSHAREDIR=	/usr/share/doctools
 FNTDIR=	${DTSHAREDIR}/font
 HYPDIR=	${DTSHAREDIR}/hyphen
 MACDIR=	${DTSHAREDIR}/tmac
 PSTDIR=	${DTSHAREDIR}/devpost/postscript
 PUBDIR=	${DTSHAREDIR}/pub
 TABDIR=	${DTSHAREDIR}/nterm
 .if defined(WORLDTMP)
 WORLDTMPDIR=	${WORLDTMP}/legacy
 .endif
 .include "../Makefile.inc"