On a recent Gentoo Linux installation, invoking `make menuconfig`, `make
kernel_menuconfig` or `make kernel_nconfig` in the build system fails,
whereas for example `make menuconfig` in the kernel tree alone works as
expected.
This is happening because STAGING_PREFIX is not defined when kernel's
{menu,n}config target calls pkg-config from the toolchain/host and thus
pkg-config returns an empty value, and the fallback values in the kernel
config script are applied but those are off and the linking fails.
Solution is to use system's pkg-config for all ncurses based menu config
targets in order to provide proper compiler/linker flags.
Ref: FS#2423
Cc: Thomas Albers <thomas.gameiro@gmail.com>
Tested-by: Stijn Tintel <stijn@linux-ipv6.be>
Tested-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
When sharing a common build directory between different build platforms
eg. macos v docker based linux v virtual machine, a 'make dirclean'
isn't quite enough to clean all the platform related binaries. The
'conf' and 'mconf' aka 'make menuconfig/defconfig & friends' utilities
remain.
Clean those as part of 'dirclean' so they get rebuilt for the current
platform on the next 'make'
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
