[{"id":1759689,"web_url":"http://patchwork.ozlabs.org/comment/1759689/","msgid":"<20170829210915.GB3338@scaer>","list_archive_url":null,"date":"2017-08-29T21:09:15","subject":"Re: [Buildroot] [PATCH] glibc: needs kernel headers >= 4.5 on\n\tmips(64)","submitter":{"id":13903,"url":"http://patchwork.ozlabs.org/api/people/13903/","name":"Yann E. MORIN","email":"yann.morin.1998@free.fr"},"content":"Romain, All,\n\nOn 2017-08-20 16:41 +0200, Romain Naour spake thusly:\n> Since glibc 2.23 [1]:\n> sysdeps/unix/sysv/linux/mips/configure.ac\n> [...]\n> if test -z \"$arch_minimum_kernel\"; then\n> if test x$libc_cv_mips_nan2008 = xyes; then\n> arch_minimum_kernel=4.5.0\n> fi\n> fi\n> \n> This mean that if nan2008 support is requested (i.e BR2_MIPS_NAN_2008\n> in Buildroot) the minimum kernel headers version is 4.5.0 (not 3.2.0).\n> \n> To simplify the dependancy handling in Buildroot we add this dependency\n> for all mips(64), even if BR2_MIPS_NAN_2008 is not selected.\n> \n> [1] https://sourceware.org/git/?p=glibc.git;a=commit;h=d5f2798a0ac9d5ad8ad7a506a2f840035135e2d2\n> \n> Signed-off-by: Romain Naour \n> Cc: Thomas Petazzoni \n> Cc: Vicente Olivert Riera \n> ---\n> \n> This is for master.\n> \n> I tried to use BR2_MIPS_NAN_2008 but it trigger a circular dependency in Kconfig.\n\nAfter the discussion in this thread and on IRC, I've marked this patch\nas \"Changes Requested\".\n\nNow I just have to polish my own series that has a fix for that issue...\n\nThanks! ;-)\n\nRegards,\nYann E. MORIN.\n\n> toolchain/toolchain-buildroot/Config.in | 10 ++++++++--\n> 1 file changed, 8 insertions(+), 2 deletions(-)\n> \n> diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in\n> index f47001f..967da1a 100644\n> --- a/toolchain/toolchain-buildroot/Config.in\n> +++ b/toolchain/toolchain-buildroot/Config.in\n> @@ -43,8 +43,9 @@ config BR2_TOOLCHAIN_BUILDROOT_UCLIBC\n> config BR2_TOOLCHAIN_BUILDROOT_GLIBC\n> \tbool \"glibc\"\n> \tdepends on BR2_arm || BR2_armeb || BR2_aarch64 || \\\n> -\t\t BR2_aarch64_be || BR2_i386 || BR2_mips || \\\n> -\t\t BR2_mipsel || BR2_mips64 || BR2_mips64el|| \\\n> +\t\t BR2_aarch64_be || BR2_i386 || \\\n> +\t\t ((BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) && \\\n> +\t\t BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5) || \\\n> \t\t BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || \\\n> \t\t BR2_sh || BR2_sparc64 || BR2_x86_64 || \\\n> \t\t BR2_microblaze || BR2_nios2\n> @@ -65,6 +66,11 @@ comment \"glibc needs a toolchain w/ dynamic library, kernel headers >= 3.2\"\n> \tdepends on BR2_USE_MMU\n> \tdepends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2\n> \n> +# glibc require kernel headers >= 4.5 if nan2008 support is selected.\n> +comment \"glibc on mips(64) needs a toolchain w/ headers >= 4.5\"\n> +\tdepends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el\n> +\tdepends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5\n> +\n> config BR2_TOOLCHAIN_BUILDROOT_MUSL\n> \tbool \"musl\"\n> \tdepends on BR2_aarch64\t || BR2_arm || BR2_armeb || BR2_i386 || \\\n> -- \n> 2.9.5\n> \n> _______________________________________________\n> buildroot mailing list\n> buildroot@busybox.net\n> http://lists.busybox.net/mailman/listinfo/buildroot","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","buildroot@lists.busybox.net"],"Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","buildroot@osuosl.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=busybox.net\n\t(client-ip=140.211.166.137; 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MORIN\" ","To":"Romain Naour ","Message-ID":"<20170829210915.GB3338@scaer>","References":"<20170820144154.15347-1-romain.naour@gmail.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20170820144154.15347-1-romain.naour@gmail.com>","User-Agent":"Mutt/1.5.22 (2013-10-16)","Cc":"Thomas Petazzoni ,\n\tbuildroot@buildroot.org","Subject":"Re: [Buildroot] [PATCH] glibc: needs kernel headers >= 4.5 on\n\tmips(64)","X-BeenThere":"buildroot@busybox.net","X-Mailman-Version":"2.1.18-1","Precedence":"list","List-Id":"Discussion and development of buildroot ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"buildroot-bounces@busybox.net","Sender":"\"buildroot\" "}}]