build: add support for declaring package CONFLICTS which only affect selecting built-in packages

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42770 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: propagate package conflicts to opkg metadata

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42771 3c298f89-4303-0410-b956-a3cf2f4a3e73
hostapd: add conflicts with wpad(-mini) to hostapd and wpa_supplicant

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42772 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: make sure modules are modposted after initramfs image is built

Otherwise the modpost steps for individual modules that are compiled
manually (using make package/<name_of_module>/install) will give warning
of missing symbols when that module depends other modules.

This is caused by the Module.symvers file not containing any symbols
anymore of external modules when the initramfs image is built without
specifically giving the modules target.

Signed-off-by: Tjalling Hattink <t.hattink@fugro.nl>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42773 3c298f89-4303-0410-b956-a3cf2f4a3e73