From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Wed, 20 Jan 2016 23:07:27 +0100 Subject: [Buildroot] [PATCH 2/3] defconfigs: use the new headers-version-same-as-kernel-version option In-Reply-To: <20160120215821.GD3992@free.fr> References: <811e1f5fe52c239010c412ce9f22b307d115cfcf.1453314776.git.yann.morin.1998@free.fr> <20160120213824.686c94fb@free-electrons.com> <20160120215821.GD3992@free.fr> Message-ID: <20160120230727.6ba2b63d@free-electrons.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On Wed, 20 Jan 2016 22:58:21 +0100, Yann E. MORIN wrote: > Well, I think it may be worse than that, in fact... Let's see what > happens with a trivial defconfig from before this patch, with the > default toolchain and the kernel settings: > > BR2_LINUX_KERNEL=y > > This would give: > > BR2_KERNEL_HEADERS_4_4=y > BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4=y > BR2_TOOLCHAIN_HEADERS_AT_LEAST="4.4" > BR2_LINUX_KERNEL=y > BR2_LINUX_KERNEL_LATEST_VERSION=y > > Now we use that defconfig after this patch, this gives: > > BR2_KERNEL_HEADERS_AS_KERNEL=y > BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_REALLY_OLD=y > BR2_LINUX_KERNEL=y > BR2_LINUX_KERNEL_VERSION="4.4" > > And boom, we've lost BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4=y > > I have no idea how we could solve this. I doubt we want to add anything > like BR2_LINUX_KERNEL_AT_LEAST_4_4 and the likes... :-/ > > Ideas? Remove: default BR2_KERNEL_HEADERS_AS_KERNEL if BR2_LINUX_KERNEL ? Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com