Description:
I checkout libnl build files from abs. The first problem
was that the provided download url ends in a 404. After
searching the web I download source from :

http://ftp.de.debian.org/debian/pool/main/libn/libnl/libnl_1.1.orig.tar.gz

and rename it to the expected name.
After that a build failes with:

<error>
MAKE libnl.so.1.1
CC addr.c
CC attr.c
CC cache.c
CC cache_mngr.c
In file included from attr.c:12:
../include/netlink-local.h: In function ‘__str2type’:
../include/netlink-local.h:218: error: ‘ULONG_MAX’ undeclared (first use in this function)
../include/netlink-local.h:218: error: (Each undeclared identifier is reported only once
../include/netlink-local.h:218: error: for each function it appears in.)
../include/netlink-local.h: In function ‘__list_str2type’:
../include/netlink-local.h:239: error: ‘ULONG_MAX’ undeclared (first use in this function)
make[2]: *** [attr.o] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from addr.c:28:
../include/netlink-local.h: In function ‘__str2type’:
../include/netlink-local.h:218: error: ‘ULONG_MAX’ undeclared (first use in this function)
../include/netlink-local.h:218: error: (Each undeclared identifier is reported only once
../include/netlink-local.h:218: error: for each function it appears in.)
../include/netlink-local.h: In function ‘__list_str2type’:
../include/netlink-local.h:239: error: ‘ULONG_MAX’ undeclared (first use in this function)
In file included from cache_mngr.c:84:
../include/netlink-local.h: In function ‘__str2type’:
../include/netlink-local.h:218: error: ‘ULONG_MAX’ undeclared (first use in this function)
../include/netlink-local.h:218: error: (Each undeclared identifier is reported only once
../include/netlink-local.h:218: error: for each function it appears in.)
../include/netlink-local.h: In function ‘__list_str2type’:
../include/netlink-local.h:239: error: ‘ULONG_MAX’ undeclared (first use in this function)
make[2]: *** [cache_mngr.o] Error 1
In file included from cache.c:43:
../include/netlink-local.h: In function ‘__str2type’:
../include/netlink-local.h:218: error: ‘ULONG_MAX’ undeclared (first use in this function)
../include/netlink-local.h:218: error: (Each undeclared identifier is reported only once
../include/netlink-local.h:218: error: for each function it appears in.)
../include/netlink-local.h: In function ‘__list_str2type’:
../include/netlink-local.h:239: error: ‘ULONG_MAX’ undeclared (first use in this function)
make[2]: *** [addr.o] Error 1
make[2]: *** [cache.o] Error 1
make[1]: *** [all] Error 2
make: *** [all] Error 2
</error>

I fix that error with a extra line after change dir to src in the build instrucitons.
> sed -i "/^#include.*<stdlib.h>/a\#include <limits.h>" include/netlink-local.h


Additional info:
* libnl 1.1-1

Steps to reproduce:
download pkgbuild from abs and run makepkg ;)