build: optimize printing of disabled packages

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43015 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: do not process built-in rules for make subdirs

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43016 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: clean up and optimize ipkg control generator code

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43017 3c298f89-4303-0410-b956-a3cf2f4a3e73
rules.mk: reduce shexport to one line to allow it to be put in a target context

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43018 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: optimize target metadata dump

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43019 3c298f89-4303-0410-b956-a3cf2f4a3e73
include/shell.sh: remove getvar()

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43020 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: use ONESHELL to speed up scanning and the toplevel makefile

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43021 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: use /bin/sh instead of bash to speed up processing of many kmod-* packages

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43022 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: only print skipped packages that were selected

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43023 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: use .ONESHELL to speed up processing of many kmod-* packages

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43024 3c298f89-4303-0410-b956-a3cf2f4a3e73