[{"id":1769730,"web_url":"http://patchwork.ozlabs.org/comment/1769730/","msgid":"<20170917161731.GF2930@scaer>","list_archive_url":null,"date":"2017-09-17T16:17:31","subject":"Re: [Buildroot] [PATCH v2 02/11] package/gcc: fix build issue with\n\tglibc 2.26","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 2017-09-02 22:54 +0200, Romain Naour spake thusly:\n> ../../../../libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: In function ‘int __sanitizer::TracerThread(void*)’:\n> ../../../../libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc:241:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined\n> struct sigaltstack handler_stack;\n> \n> ../../../../libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: In function ‘int __sanitizer::TracerThread(void*)’:\n> ../../../../libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined\n> struct sigaltstack handler_stack;\n> ^~~~~~~~~~~~~\n> \n> The fix is already included in gcc 7.2 release [1]. We have to backport it to\n> all older gcc release since it's not included in any stable release yet.\n> \n> [1] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=72edc2c02f8b4768ad660f46a1c7e2400c0a8e06\n> \n> Signed-off-by: Romain Naour \n> Cc: Thomas Petazzoni \n> ---\n> package/gcc/4.9.4/944-sanitizer-linux.patch | 88 +++++++++++++++++++++++++++++\n> package/gcc/5.4.0/944-sanitizer-linux.patch | 87 ++++++++++++++++++++++++++++\n\nFor gcc-5:\n https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=833e00c01e96f61e24cd7ec97b93fad212dc914b\n\n> package/gcc/6.4.0/943-sanitizer-linux.patch | 87 ++++++++++++++++++++++++++++\n\nFor gcc-6:\n https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=8937b94d1a643fd9760714642296d034a45254a8\n\nAs discused on IRC: for gcc-4.9, either we re-introduce a glibc version\nchoice, or we make glibc depends on gcc_at_least_5, or we keep your\nback-ported patch.\n\nI'm fine with either, as well as also ditching gcc-4.9. ;-)\n\nRegards,\nYann E. MORIN.\n\n> 3 files changed, 262 insertions(+)\n> create mode 100644 package/gcc/4.9.4/944-sanitizer-linux.patch\n> create mode 100644 package/gcc/5.4.0/944-sanitizer-linux.patch\n> create mode 100644 package/gcc/6.4.0/943-sanitizer-linux.patch\n> \n> diff --git a/package/gcc/4.9.4/944-sanitizer-linux.patch b/package/gcc/4.9.4/944-sanitizer-linux.patch\n> new file mode 100644\n> index 0000000..caadf2d\n> --- /dev/null\n> +++ b/package/gcc/4.9.4/944-sanitizer-linux.patch\n> @@ -0,0 +1,88 @@\n> +From f9a35ba5c150da2e381c4cab01f8f12bcd6af5d2 Mon Sep 17 00:00:00 2001\n> +From: jakub \n> +Date: Mon, 17 Jul 2017 19:41:08 +0000\n> +Subject: [PATCH] \tBackported from mainline \t2017-07-14 Jakub\n> + Jelinek \n> +\n> +\tPR sanitizer/81066\n> +\t* sanitizer_common/sanitizer_linux.h: Cherry-pick upstream r307969.\n> +\t* sanitizer_common/sanitizer_linux.cc: Likewise.\n> +\t* sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: Likewise.\n> +\t* tsan/tsan_platform_linux.cc: Likewise.\n> +\n> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@250287 138bc75d-0d04-0410-961f-82ee72b054a4\n> +(cherry picked from commit 72edc2c02f8b4768ad660f46a1c7e2400c0a8e06)\n> +[Romain backport to 4.9.4]\n> +Signed-off-by: Romain Naour \n> +---\n> + libsanitizer/sanitizer_common/sanitizer_linux.cc | 3 +--\n> + libsanitizer/sanitizer_common/sanitizer_linux.h | 4 +---\n> + libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc | 2 +-\n> + libsanitizer/tsan/tsan_platform_linux.cc | 2 +-\n> + 4 files changed, 4 insertions(+), 7 deletions(-)\n> +\n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> +index 69c9c10..8e53673 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> +@@ -599,8 +599,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {\n> + return internal_syscall(__NR_prctl, option, arg2, arg3, arg4, arg5);\n> + }\n> + \n> +-uptr internal_sigaltstack(const struct sigaltstack *ss,\n> +- struct sigaltstack *oss) {\n> ++uptr internal_sigaltstack(const void *ss, void *oss) {\n> + return internal_syscall(__NR_sigaltstack, (uptr)ss, (uptr)oss);\n> + }\n> + \n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h b/libsanitizer/sanitizer_common/sanitizer_linux.h\n> +index 6422df1..8e111d1 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.h\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.h\n> +@@ -18,7 +18,6 @@\n> + #include \"sanitizer_platform_limits_posix.h\"\n> + \n> + struct link_map; // Opaque type returned by dlopen().\n> +-struct sigaltstack;\n> + \n> + namespace __sanitizer {\n> + // Dirent structure for getdents(). Note that this structure is different from\n> +@@ -28,8 +27,7 @@ struct linux_dirent;\n> + // Syscall wrappers.\n> + uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);\n> + uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5);\n> +-uptr internal_sigaltstack(const struct sigaltstack* ss,\n> +- struct sigaltstack* oss);\n> ++uptr internal_sigaltstack(const void* ss, void* oss);\n> + uptr internal_sigaction(int signum, const __sanitizer_kernel_sigaction_t *act,\n> + __sanitizer_kernel_sigaction_t *oldact);\n> + uptr internal_sigprocmask(int how, __sanitizer_kernel_sigset_t *set,\n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> +index 6ee63ec..50c21a3 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> +@@ -238,7 +238,7 @@ static int TracerThread(void* argument) {\n> + \n> + // Alternate stack for signal handling.\n> + InternalScopedBuffer handler_stack_memory(kHandlerStackSize);\n> +- struct sigaltstack handler_stack;\n> ++ stack_t handler_stack;\n> + internal_memset(&handler_stack, 0, sizeof(handler_stack));\n> + handler_stack.ss_sp = handler_stack_memory.data();\n> + handler_stack.ss_size = kHandlerStackSize;\n> +diff --git a/libsanitizer/tsan/tsan_platform_linux.cc b/libsanitizer/tsan/tsan_platform_linux.cc\n> +index fe69430..49f5270 100644\n> +--- a/libsanitizer/tsan/tsan_platform_linux.cc\n> ++++ b/libsanitizer/tsan/tsan_platform_linux.cc\n> +@@ -351,7 +351,7 @@ bool IsGlobalVar(uptr addr) {\n> + // closes within glibc. The code is a pure hack.\n> + int ExtractResolvFDs(void *state, int *fds, int nfd) {\n> + int cnt = 0;\n> +- __res_state *statp = (__res_state*)state;\n> ++ struct __res_state *statp = (struct __res_state*)state;\n> + for (int i = 0; i < MAXNS && cnt < nfd; i++) {\n> + if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)\n> + fds[cnt++] = statp->_u._ext.nssocks[i];\n> +-- \n> +2.9.5\n> +\n> diff --git a/package/gcc/5.4.0/944-sanitizer-linux.patch b/package/gcc/5.4.0/944-sanitizer-linux.patch\n> new file mode 100644\n> index 0000000..bbeb3c7\n> --- /dev/null\n> +++ b/package/gcc/5.4.0/944-sanitizer-linux.patch\n> @@ -0,0 +1,87 @@\n> +From 659b130df028d6e580c9e7f87ff61f67cfb3e0a3 Mon Sep 17 00:00:00 2001\n> +From: jakub \n> +Date: Mon, 17 Jul 2017 19:41:08 +0000\n> +Subject: [PATCH] \tBackported from mainline \t2017-07-14 Jakub\n> + Jelinek \n> +\n> +\tPR sanitizer/81066\n> +\t* sanitizer_common/sanitizer_linux.h: Cherry-pick upstream r307969.\n> +\t* sanitizer_common/sanitizer_linux.cc: Likewise.\n> +\t* sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: Likewise.\n> +\t* tsan/tsan_platform_linux.cc: Likewise.\n> +\n> +[Romain cherry-pick on gcc-6-branch from gcc-7-branch]\n> +Signed-off-by: Romain Naour \n> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@250287 138bc75d-0d04-0410-961f-82ee72b054a4\n> +---\n> + libsanitizer/sanitizer_common/sanitizer_linux.cc | 3 +--\n> + libsanitizer/sanitizer_common/sanitizer_linux.h | 4 +---\n> + libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc | 2 +-\n> + libsanitizer/tsan/tsan_platform_linux.cc | 2 +-\n> + 4 files changed, 4 insertions(+), 7 deletions(-)\n> +\n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> +index 9feb307..821b26d 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> +@@ -514,8 +514,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {\n> + }\n> + #endif\n> + \n> +-uptr internal_sigaltstack(const struct sigaltstack *ss,\n> +- struct sigaltstack *oss) {\n> ++uptr internal_sigaltstack(const void *ss, void *oss) {\n> + return internal_syscall(SYSCALL(sigaltstack), (uptr)ss, (uptr)oss);\n> + }\n> + \n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h b/libsanitizer/sanitizer_common/sanitizer_linux.h\n> +index 086834c..3a6f4cd 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.h\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.h\n> +@@ -18,7 +18,6 @@\n> + #include \"sanitizer_platform_limits_posix.h\"\n> + \n> + struct link_map; // Opaque type returned by dlopen().\n> +-struct sigaltstack;\n> + \n> + namespace __sanitizer {\n> + // Dirent structure for getdents(). Note that this structure is different from\n> +@@ -27,8 +26,7 @@ struct linux_dirent;\n> + \n> + // Syscall wrappers.\n> + uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);\n> +-uptr internal_sigaltstack(const struct sigaltstack* ss,\n> +- struct sigaltstack* oss);\n> ++uptr internal_sigaltstack(const void* ss, void* oss);\n> + uptr internal_sigprocmask(int how, __sanitizer_sigset_t *set,\n> + __sanitizer_sigset_t *oldset);\n> + void internal_sigfillset(__sanitizer_sigset_t *set);\n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> +index 5881202..c54894d 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> +@@ -234,7 +234,7 @@ static int TracerThread(void* argument) {\n> + \n> + // Alternate stack for signal handling.\n> + InternalScopedBuffer handler_stack_memory(kHandlerStackSize);\n> +- struct sigaltstack handler_stack;\n> ++ stack_t handler_stack;\n> + internal_memset(&handler_stack, 0, sizeof(handler_stack));\n> + handler_stack.ss_sp = handler_stack_memory.data();\n> + handler_stack.ss_size = kHandlerStackSize;\n> +diff --git a/libsanitizer/tsan/tsan_platform_linux.cc b/libsanitizer/tsan/tsan_platform_linux.cc\n> +index 3259131..b8e9078 100644\n> +--- a/libsanitizer/tsan/tsan_platform_linux.cc\n> ++++ b/libsanitizer/tsan/tsan_platform_linux.cc\n> +@@ -377,7 +377,7 @@ bool IsGlobalVar(uptr addr) {\n> + int ExtractResolvFDs(void *state, int *fds, int nfd) {\n> + #if SANITIZER_LINUX\n> + int cnt = 0;\n> +- __res_state *statp = (__res_state*)state;\n> ++ struct __res_state *statp = (struct __res_state*)state;\n> + for (int i = 0; i < MAXNS && cnt < nfd; i++) {\n> + if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)\n> + fds[cnt++] = statp->_u._ext.nssocks[i];\n> +-- \n> +2.9.5\n> +\n> diff --git a/package/gcc/6.4.0/943-sanitizer-linux.patch b/package/gcc/6.4.0/943-sanitizer-linux.patch\n> new file mode 100644\n> index 0000000..8c83f7e\n> --- /dev/null\n> +++ b/package/gcc/6.4.0/943-sanitizer-linux.patch\n> @@ -0,0 +1,87 @@\n> +From 0fa7102d76376b27ae4bbc10848600aac6ed71d2 Mon Sep 17 00:00:00 2001\n> +From: jakub \n> +Date: Mon, 17 Jul 2017 19:41:08 +0000\n> +Subject: [PATCH] \tBackported from mainline \t2017-07-14 Jakub\n> + Jelinek \n> +\n> +\tPR sanitizer/81066\n> +\t* sanitizer_common/sanitizer_linux.h: Cherry-pick upstream r307969.\n> +\t* sanitizer_common/sanitizer_linux.cc: Likewise.\n> +\t* sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: Likewise.\n> +\t* tsan/tsan_platform_linux.cc: Likewise.\n> +\n> +[Romain cherry-pick on gcc-6-branch from gcc-7-branch]\n> +Signed-off-by: Romain Naour \n> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@250287 138bc75d-0d04-0410-961f-82ee72b054a4\n> +---\n> + libsanitizer/sanitizer_common/sanitizer_linux.cc | 3 +--\n> + libsanitizer/sanitizer_common/sanitizer_linux.h | 4 +---\n> + libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc | 2 +-\n> + libsanitizer/tsan/tsan_platform_linux.cc | 2 +-\n> + 4 files changed, 4 insertions(+), 7 deletions(-)\n> +\n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> +index 2cefa20..223d9c6 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc\n> +@@ -546,8 +546,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {\n> + }\n> + #endif\n> + \n> +-uptr internal_sigaltstack(const struct sigaltstack *ss,\n> +- struct sigaltstack *oss) {\n> ++uptr internal_sigaltstack(const void *ss, void *oss) {\n> + return internal_syscall(SYSCALL(sigaltstack), (uptr)ss, (uptr)oss);\n> + }\n> + \n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h b/libsanitizer/sanitizer_common/sanitizer_linux.h\n> +index 4497702..1594058 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.h\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.h\n> +@@ -19,7 +19,6 @@\n> + #include \"sanitizer_platform_limits_posix.h\"\n> + \n> + struct link_map; // Opaque type returned by dlopen().\n> +-struct sigaltstack;\n> + \n> + namespace __sanitizer {\n> + // Dirent structure for getdents(). Note that this structure is different from\n> +@@ -28,8 +27,7 @@ struct linux_dirent;\n> + \n> + // Syscall wrappers.\n> + uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);\n> +-uptr internal_sigaltstack(const struct sigaltstack* ss,\n> +- struct sigaltstack* oss);\n> ++uptr internal_sigaltstack(const void* ss, void* oss);\n> + uptr internal_sigprocmask(int how, __sanitizer_sigset_t *set,\n> + __sanitizer_sigset_t *oldset);\n> + void internal_sigfillset(__sanitizer_sigset_t *set);\n> +diff --git a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> +index c919e4f..014162af 100644\n> +--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> ++++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc\n> +@@ -267,7 +267,7 @@ static int TracerThread(void* argument) {\n> + \n> + // Alternate stack for signal handling.\n> + InternalScopedBuffer handler_stack_memory(kHandlerStackSize);\n> +- struct sigaltstack handler_stack;\n> ++ stack_t handler_stack;\n> + internal_memset(&handler_stack, 0, sizeof(handler_stack));\n> + handler_stack.ss_sp = handler_stack_memory.data();\n> + handler_stack.ss_size = kHandlerStackSize;\n> +diff --git a/libsanitizer/tsan/tsan_platform_linux.cc b/libsanitizer/tsan/tsan_platform_linux.cc\n> +index 09cec5f..908f4fe 100644\n> +--- a/libsanitizer/tsan/tsan_platform_linux.cc\n> ++++ b/libsanitizer/tsan/tsan_platform_linux.cc\n> +@@ -291,7 +291,7 @@ bool IsGlobalVar(uptr addr) {\n> + int ExtractResolvFDs(void *state, int *fds, int nfd) {\n> + #if SANITIZER_LINUX\n> + int cnt = 0;\n> +- __res_state *statp = (__res_state*)state;\n> ++ struct __res_state *statp = (struct __res_state*)state;\n> + for (int i = 0; i < MAXNS && cnt < nfd; i++) {\n> + if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)\n> + fds[cnt++] = statp->_u._ext.nssocks[i];\n> +-- \n> +2.9.4\n> +\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; helo=fraxinus.osuosl.org;\n\tenvelope-from=buildroot-bounces@busybox.net;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"pwV8D1EF\"; dkim-atps=neutral"],"Received":["from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xwDnY2dHgz9s7h\n\tfor ;\n\tMon, 18 Sep 2017 02:17:53 +1000 (AEST)","from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id C1E58880F1;\n\tSun, 17 Sep 2017 16:17:50 +0000 (UTC)","from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id ev_BRvTIa3on; 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\n\tSun, 17 Sep 2017 09:17:34 -0700 (PDT)","Date":"Sun, 17 Sep 2017 18:17:31 +0200","From":"\"Yann E. MORIN\" ","To":"Romain Naour ","Message-ID":"<20170917161731.GF2930@scaer>","References":"<20170902205423.21288-1-romain.naour@gmail.com>\n\t<20170902205423.21288-3-romain.naour@gmail.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20170902205423.21288-3-romain.naour@gmail.com>","User-Agent":"Mutt/1.5.22 (2013-10-16)","Cc":"Thomas Petazzoni ,\n\tbuildroot@buildroot.org","Subject":"Re: [Buildroot] [PATCH v2 02/11] package/gcc: fix build issue with\n\tglibc 2.26","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=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"buildroot-bounces@busybox.net","Sender":"\"buildroot\" "}}]