Going through portroach (maintainer: ports@openbsd.org). Starting small...
Attached patch for archivers/zopfli to latest version
ok?
Index: Makefile
===================================================================
RCS file: /cvs/ports/archivers/zopfli/Makefile,v
retrieving revision 1.4
diff -u -p -r1.4 Makefile
--- Makefile 18 Apr 2017 13:09:23 -0000 1.4
+++ Makefile 5 Jun 2018 22:51:34 -0000
@@ -7,7 +7,7 @@ COMMENT = deflate-compatible compressio
GH_ACCOUNT = google
GH_PROJECT = zopfli
-GH_TAGNAME = zopfli-1.0.1
+GH_TAGNAME = zopfli-1.0.2
DISTNAME = ${GH_TAGNAME}
CATEGORIES = archivers
Index: distinfo
===================================================================
RCS file: /cvs/ports/archivers/zopfli/distinfo,v
retrieving revision 1.3
diff -u -p -r1.3 distinfo
--- distinfo 18 Apr 2017 13:09:23 -0000 1.3
+++ distinfo 5 Jun 2018 22:51:34 -0000
@@ -1,2 +1,2 @@
-SHA256 (zopfli-1.0.1.tar.gz) = KXQ9cnpODs0bk+C/iUds7rZi6AmrLmqwB6CwNEgA6bQ=
-SIZE (zopfli-1.0.1.tar.gz) = 128178
+SHA256 (zopfli-1.0.2.tar.gz) = SlcDB8NxctiU7E75O26OOqzEAeeMvMUc+FshLbw3mlU=
+SIZE (zopfli-1.0.2.tar.gz) = 136035
Index: patches/patch-Makefile
===================================================================
RCS file: /cvs/ports/archivers/zopfli/patches/patch-Makefile,v
retrieving revision 1.1
diff -u -p -r1.1 patch-Makefile
--- patches/patch-Makefile 18 Apr 2017 13:09:23 -0000 1.1
+++ patches/patch-Makefile 5 Jun 2018 22:51:34 -0000
@@ -4,10 +4,10 @@ $OpenBSD: patch-Makefile,v 1.1 2017/04/1
@@ -1,8 +1,8 @@
CC = gcc
CXX = g++
-
--CFLAGS = -W -Wall -Wextra -ansi -pedantic -lm -O2
+
+-CFLAGS = -W -Wall -Wextra -ansi -pedantic -lm -O2 -Wno-unused-function
-CXXFLAGS = -W -Wall -Wextra -ansi -pedantic -O2
-+CFLAGS = -W -Wall -Wextra -ansi -pedantic -lm $(COPTFLAGS)
++CFLAGS = -W -Wall -Wextra -ansi -pedantic -lm -Wno-unused-function
$(COPTFLAGS)
+CXXFLAGS = -W -Wall -Wextra -ansi -pedantic $(COPTFLAGS)
ZOPFLILIB_SRC = src/zopfli/blocksplitter.c src/zopfli/cache.c\
