giflib-util: Fix manpage installation when custom PKGMANDIR is set

graphics/giflib-util/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.13 2023/06/06 12:41:31 riastradh Exp $
+# $NetBSD: Makefile,v 1.14 2023/12/21 10:46:15 nros Exp $
 
 PKGREVISION= 1
 .include "../../graphics/giflib/Makefile.common"
@@ -11,6 +11,8 @@ CONFLICTS+=	libungif-[0-9]*
 
 TOOL_DEPENDS+=	xmlto-[0-9]*:../../textproc/xmlto
 
+INSTALL_ENV+=		MANDIR=${PREFIX}/${PKGMANDIR}
+
 HTMLDIR=		share/doc/giflib
 INSTALLATION_DIRS=	${HTMLDIR} ${HTMLDIR}/gifstandard \
 			${HTMLDIR}/whatsinagif

graphics/giflib/distinfo

@@ -1,7 +1,7 @@
-$NetBSD: distinfo,v 1.27 2023/11/09 20:31:00 nia Exp $
+$NetBSD: distinfo,v 1.28 2023/12/21 10:46:14 nros Exp $
 
 BLAKE2s (giflib-5.2.1.tar.gz) = cac59c8c5042cb67b4dfef98e3344a79817e775409bc37839cabcdd184753ad0
 SHA512 (giflib-5.2.1.tar.gz) = 4550e53c21cb1191a4581e363fc9d0610da53f7898ca8320f0d3ef6711e76bdda2609c2df15dc94c45e28bff8de441f1227ec2da7ea827cb3c0405af4faa4736
 Size (giflib-5.2.1.tar.gz) = 444187 bytes
 SHA1 (patch-CVE-2022-28506) = 1c1819a656dfd5ee82ddc4b7981ab42548e76d6a
-SHA1 (patch-Makefile) = d5ab65b221def648b0721113d17014a0554b4e5b
+SHA1 (patch-Makefile) = d8c03a112ce913ce03f4afb128ccef3a42d639c9

graphics/giflib/patches/patch-Makefile

@@ -1,7 +1,7 @@
-$NetBSD: patch-Makefile,v 1.6 2023/11/09 20:31:00 nia Exp $
+$NetBSD: patch-Makefile,v 1.7 2023/12/21 10:46:15 nros Exp $
 
 - Inherit the PREFIX rather than hard-coding it.
-- Adjust location where manuals are installed.
+- Allow override of MANDIR to install manpages correctly
 - Apply <https://sourceforge.net/p/giflib/bugs/_discuss/thread/4e811ad29b/>
   to fix Darwin build
 - Move quantize.c back into libgif.so to fix various library users.
@@ -25,7 +25,7 @@ $NetBSD: patch-Makefile,v 1.6 2023/11/09 20:31:00 nia Exp $
  INCDIR = $(PREFIX)/include
  LIBDIR = $(PREFIX)/lib
 -MANDIR = $(PREFIX)/share/man
-+MANDIR = $(PREFIX)/man
++MANDIR?= $(PREFIX)/share/man
  
  # No user-serviceable parts below this line