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This makes "make menuconfig" also work on systems where ncurses is not installed in a standard location (such as on NixOS). This patch changes ccflags() so that it tries pkg-config first, and only if pkg-config fails does it go back to the fallback/manual checks. This is the same algorithm that ldflags() already uses. [This patch is already applied upstream (is part of linux v3.18): https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be8af2d54a66911693eddc556e4f7a866670082b I'm adding this instead of doing a full upstream kconfig sync because there was a conflict in one of the Buildroot kconfig patches (against linux 3.18-rc1), which I was unable to resolve. Just drop this patch next time Buildroot kconfig is synced against upstream. ] Signed-off-by: Bjørn Forsman <bjorn.forsman@gmail.com> Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This is a copy of the kconfig code in the kernel (currently 3.13-rc5) tweaked to suit Buildroot. To update: cp -r /usr/src/linux/scripts/kconfig support/kconfig.new cd support/kconfig.new cp -a ../kconfig/patches ../kconfig/README.buildroot ../kconfig/.gitignore . quilt push -a # Fix any conflict cd .. rm -rf kconfig mv kconfig.new kconfig Then verify the toplevel targets work: config defconfig menuconfig xconfig gconfig oldconfig