pkg/45826: devel/bison does not build if USE_GNU_ICONV=Yes

[bartosz.kuzma%gmail.com@localhost]

>Number:         45826
>Category:       pkg
>Synopsis:       devel/bison does not build if USE_GNU_ICONV=Yes
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jan 12 15:20:00 +0000 2012
>Originator:     Bartosz Kuzma
>Release:        NetBSD 5.1/i386, pkgsrc-2011Q4
>Organization:
>Environment:
>Description:
/etc/mk.conf
USE_GNU_ICONV= Yes

# cd devel/bison
# make build
[...]
=> Applying pkgsrc patches for bison-2.5nb1
===> Creating toolchain wrappers for bison-2.5nb1
ERROR: libiconv>=1.9.1 is not installed; can't buildlink files.
*** Error code 1

>How-To-Repeat:

>Fix:
Add

.include "../../converters/libiconv/buildlink3.mk"

to devel/bison/Makefile