{"id":803734,"url":"http://patchwork.ozlabs.org/api/1.2/patches/803734/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/patch/20170820144154.15347-1-romain.naour@gmail.com/","project":{"id":27,"url":"http://patchwork.ozlabs.org/api/1.2/projects/27/?format=json","name":"Buildroot development","link_name":"buildroot","list_id":"buildroot.buildroot.org","list_email":"buildroot@buildroot.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170820144154.15347-1-romain.naour@gmail.com>","list_archive_url":null,"date":"2017-08-20T14:41:54","name":"glibc: needs kernel headers >= 4.5 on mips(64)","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":false,"hash":"d2f3372d75ccf6368a191e9588287435d419898a","submitter":{"id":67942,"url":"http://patchwork.ozlabs.org/api/1.2/people/67942/?format=json","name":"Romain Naour","email":"romain.naour@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/buildroot/patch/20170820144154.15347-1-romain.naour@gmail.com/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/803734/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/803734/checks/","tags":{},"related":[],"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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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"buildroot-bounces@busybox.net","Sender":"\"buildroot\" "},"content":"Since glibc 2.23 [1]:\nsysdeps/unix/sysv/linux/mips/configure.ac\n[...]\nif 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\nfi\n\nThis mean that if nan2008 support is requested (i.e BR2_MIPS_NAN_2008\nin Buildroot) the minimum kernel headers version is 4.5.0 (not 3.2.0).\n\nTo simplify the dependancy handling in Buildroot we add this dependency\nfor 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\nSigned-off-by: Romain Naour \nCc: Thomas Petazzoni \nCc: Vicente Olivert Riera \n---\n\nThis is for master.\n\nI tried to use BR2_MIPS_NAN_2008 but it trigger a circular dependency in Kconfig.\n\n toolchain/toolchain-buildroot/Config.in | 10 ++++++++--\n 1 file changed, 8 insertions(+), 2 deletions(-)","diff":"diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in\nindex 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","prefixes":[]}