Index: head/sysutils/dtc/files/patch-0e9225eb.c
===================================================================
--- head/sysutils/dtc/files/patch-0e9225eb.c	(revision 546156)
+++ head/sysutils/dtc/files/patch-0e9225eb.c	(nonexistent)
@@ -1,12 +0,0 @@
-diff --git a/dtc-lexer.l b/dtc-lexer.l
-index 5c6c3fd..b3b7270 100644
---- dtc-lexer.l
-+++ dtc-lexer.l
-@@ -23,7 +23,6 @@ LINECOMMENT	"//".*\n
- #include "srcpos.h"
- #include "dtc-parser.tab.h"
- 
--YYLTYPE yylloc;
- extern bool treesource_error;
- 
- /* CAUTION: this will stop working if we ever use yyless() or yyunput() */

Property changes on: head/sysutils/dtc/files/patch-0e9225eb.c
___________________________________________________________________
Deleted: fbsd:nokeywords
## -1 +0,0 ##
-yes
\ No newline at end of property
Deleted: svn:eol-style
## -1 +0,0 ##
-native
\ No newline at end of property
Deleted: svn:mime-type
## -1 +0,0 ##
-text/plain
\ No newline at end of property
Index: head/sysutils/dtc/Makefile
===================================================================
--- head/sysutils/dtc/Makefile	(revision 546156)
+++ head/sysutils/dtc/Makefile	(revision 546157)
@@ -1,28 +1,33 @@
 # $FreeBSD$
 
 PORTNAME=	dtc
-PORTVERSION=	1.4.7
+PORTVERSION=	1.6.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	sysutils
 
+PATCH_SITES=	https://github.com/dgibson/dtc/commit/
+PATCHFILES+=	ca19c3db2b.patch:-p1 # https://github.com/dgibson/dtc/pull/41
+
 MAINTAINER=	uboot@FreeBSD.org
 COMMENT=	Device Tree Compiler
 
 LICENSE=	GPLv2
 
-USES=		bison gmake shebangfix
+LIB_DEPENDS=	libyaml.so:textproc/libyaml
+
+USES=		bison gmake pkgconfig shebangfix
 USE_LDCONFIG=	yes
 SHEBANG_FILES=	dtdiff
 
 TEST_TARGET=	check
 TEST_ENV=	STATSZ="stat -f %Uz"
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	dgibson
 GH_PROJECT=	dtc
 
 MAKE_ARGS+=	PREFIX=${PREFIX} NO_PYTHON=yes \
 		INSTALL_PROGRAM="${INSTALL_PROGRAM}" \
 		INSTALL_LIB="${INSTALL_LIB}"
 
 .include <bsd.port.mk>
Index: head/sysutils/dtc/distinfo
===================================================================
--- head/sysutils/dtc/distinfo	(revision 546156)
+++ head/sysutils/dtc/distinfo	(revision 546157)
@@ -1,3 +1,5 @@
-TIMESTAMP = 1551032373
-SHA256 (dgibson-dtc-v1.4.7_GH0.tar.gz) = 603d6f4f5f34921b368e6febe6690c89022d098edda77187a758b8eeeeff53ea
-SIZE (dgibson-dtc-v1.4.7_GH0.tar.gz) = 191568
+TIMESTAMP = 1598352412
+SHA256 (dgibson-dtc-v1.6.0_GH0.tar.gz) = 3d15dee7126a6c4a015ab47ec908cab13e39774b0315efaaebb223cb4a4d349c
+SIZE (dgibson-dtc-v1.6.0_GH0.tar.gz) = 200316
+SHA256 (ca19c3db2b.patch) = 0026f5ece39859bbd5ad7a9bc6d7c4dd3fb2ff85b35bf88c2dd227cfdb28c9b4
+SIZE (ca19c3db2b.patch) = 735
Index: head/sysutils/dtc/pkg-plist
===================================================================
--- head/sysutils/dtc/pkg-plist	(revision 546156)
+++ head/sysutils/dtc/pkg-plist	(revision 546157)
@@ -1,14 +1,14 @@
 bin/convert-dtsv0
 bin/dtc
 bin/dtdiff
 bin/fdtdump
 bin/fdtget
 bin/fdtoverlay
 bin/fdtput
 include/fdt.h
 include/libfdt.h
 include/libfdt_env.h
-lib/libfdt-1.4.7.so
+lib/libfdt-1.6.0.so
 lib/libfdt.a
 lib/libfdt.so
 lib/libfdt.so.1