pkg/49752: ./bootstrap --unpriveleged fails on Alpine Linux

[epergne%hotmail.com@localhost]

>Number:         49752
>Category:       pkg
>Synopsis:       ./bootstrap --unpriveleged fails on Alpine Linux
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 17 01:40:00 +0000 2015
>Originator:     Michael Roberts
>Release:        pkgsrc-2014Q4
>Organization:
>Environment:
Linux alpine 3.14.30-0-grsec #1-Alpine SMP Wed Jan 28 13:20:34 GMT 2015 i686 Linux
>Description:
Bootstraping pkgsrc with the following command:

./bootstrap --unprivileged --prefix /home/user/.local/opt/pkgsrc

Fails with the following compilation error:

gcc -O2 -Wno-error -Wno-error  -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wreturn-type -Wcast-qual -
Wpointer-arith -Wwrite-strings -Wswitch -Wshadow -Werror  -D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -DDEF_UMASK=022 -I/home/
user/.local/opt/pkgsrc/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/bzip2 -I/home/user/.local/opt/pkgsrc/pkgsrc/bootstrap/work/wr
k/pkgtools/pkg_install/work/zlib -I/home/user/.local/opt/pkgsrc/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libarchive/libarchive 
-I/home/user/.local/opt/pkgsrc/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libfetch -DHAVE_NBCOMPAT_H=1 -I/home/user/.local/opt/
pkgsrc/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libnbcompat -I. -D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -DINET6
 -DFTP_COMBINE_CWDS -c common.c
In file included from /home/user/.local/opt/pkgsrc/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libnbcompat/nbcompat/cdefs.h:36:0,
                 from /home/user/.local/opt/pkgsrc/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libnbcompat/nbcompat.h:31,
                 from common.c:37:
/usr/include/sys/cdefs.h:1:2: error: #warning usage of non-standard #include <sys/cdefs.h> is deprecated [-Werror=cpp]
 #warning usage of non-standard #include <sys/cdefs.h> is deprecated
  ^
cc1: all warnings being treated as errors


>How-To-Repeat:
- Install Alpine Linux <http://www.alpinelinux.org>
- Install the latest SDK (apk add alpine-sdk)
- Install CVS (apk add cvs)
- Download pkgsrc & update
- Bootstrap pkgsrc


>Fix: