From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann E. MORIN Date: Fri, 1 Jul 2016 18:06:56 +0200 Subject: [Buildroot] [PATCH 4/4] linux-headers: match headers for the latest kernel In-Reply-To: <1461099155-30702-5-git-send-email-vivien.didelot@savoirfairelinux.com> References: <1461099155-30702-1-git-send-email-vivien.didelot@savoirfairelinux.com> <1461099155-30702-5-git-send-email-vivien.didelot@savoirfairelinux.com> Message-ID: <20160701160656.GC17666@free.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Vivien, All, On 2016-04-19 16:52 -0400, Vivien Didelot spake thusly: > The point of choosing BR2_LINUX_KERNEL_LATEST_VERSION alongside > BR2_KERNEL_HEADERS_FROM_KERNEL is not to care about bumping the kernel > and its headers used in the toolchain in later Buildroot releases. > > When using the latest kernel and its headers, automatically set the > headers version to at least BR2_LINUX_KERNEL_VERSION. > > A similar change can be done for BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE, > but this is less trivial since it requires parsing the free form string. We've also discussed this patch today, and we've come to a simpler solution: default to the latest kernel version for the custom headers. I've sent the patch: https://patchwork.ozlabs.org/patch/643102/ So, I've marked this patch as superseded in patchwork. Thanks! Regards, Yann E. MORIN. > Signed-off-by: Vivien Didelot > --- > package/linux-headers/Config.in.host | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) > > diff --git a/package/linux-headers/Config.in.host b/package/linux-headers/Config.in.host > index baadb2e..15136df 100644 > --- a/package/linux-headers/Config.in.host > +++ b/package/linux-headers/Config.in.host > @@ -12,7 +12,9 @@ choice > version you intend to use on your target system. > > Select BR2_KERNEL_HEADERS_FROM_KERNEL to use the header files from > - the kernel source you are building for your target. > + the kernel source you are building for your target. Unless you chose > + BR2_LINUX_KERNEL_LATEST_VERSION, you must specify the custom kernel > + headers series below. > > Select any other choices to download and use an independent kernel > version for its headers. Useful when you are not building the kernel. > @@ -20,6 +22,8 @@ choice > config BR2_KERNEL_HEADERS_FROM_KERNEL > bool "From the kernel source" > depends on BR2_LINUX_KERNEL > + select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 if \ > + BR2_LINUX_KERNEL_LATEST_VERSION > > config BR2_KERNEL_HEADERS_3_2 > bool "Linux 3.2.x kernel headers" > @@ -96,7 +100,9 @@ config BR2_DEFAULT_KERNEL_VERSION > > choice > bool "Custom kernel headers series" > - depends on BR2_KERNEL_HEADERS_VERSION || BR2_KERNEL_HEADERS_FROM_KERNEL > + depends on BR2_KERNEL_HEADERS_VERSION || \ > + (BR2_KERNEL_HEADERS_FROM_KERNEL && \ > + !BR2_LINUX_KERNEL_LATEST_VERSION) > default BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_REALLY_OLD > help > Set to the kernel headers series you manually set above. > @@ -228,4 +234,6 @@ config BR2_DEFAULT_KERNEL_HEADERS > default "4.3.6" if BR2_KERNEL_HEADERS_4_3 > default "4.4.7" if BR2_KERNEL_HEADERS_4_4 > default "4.5.1" if BR2_KERNEL_HEADERS_4_5 > + default BR2_LINUX_KERNEL_VERSION if BR2_KERNEL_HEADERS_FROM_KERNEL && \ > + BR2_LINUX_KERNEL_LATEST_VERSION > default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION > -- > 2.8.0 > -- .-----------------.--------------------.------------------.--------------------. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 223 225 172 `------------.-------: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. | '------------------------------^-------^------------------^--------------------'