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GET /api/1.2/patches/2224216/?format=api
{ "id": 2224216, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224216/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/CAMe9rOp4UzKvTHeUOCL95sngmcAfRKnaL2B=zFgetMfG=AG0Kw@mail.gmail.com/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/1.2/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<CAMe9rOp4UzKvTHeUOCL95sngmcAfRKnaL2B=zFgetMfG=AG0Kw@mail.gmail.com>", "list_archive_url": null, "date": "2026-04-17T04:09:42", "name": "[1/2] Check if linker supports -z separate-code", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "04195fa0fab6e6fcc02d3dcea92c366130ed7ce8", "submitter": { "id": 4387, "url": "http://patchwork.ozlabs.org/api/1.2/people/4387/?format=api", "name": "H.J. Lu", "email": "hjl.tools@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/CAMe9rOp4UzKvTHeUOCL95sngmcAfRKnaL2B=zFgetMfG=AG0Kw@mail.gmail.com/mbox/", "series": [ { "id": 500235, "url": "http://patchwork.ozlabs.org/api/1.2/series/500235/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=500235", "date": "2026-04-17T04:09:42", "name": "[1/2] Check if linker supports -z separate-code", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500235/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224216/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224216/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "libc-alpha@sourceware.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "libc-alpha@sourceware.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=R7f/5TQF;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=38.145.34.32; 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Thu, 16 Apr 2026\n 21:10:19 -0700 (PDT)", "MIME-Version": "1.0", "From": "\"H.J. Lu\" <hjl.tools@gmail.com>", "Date": "Fri, 17 Apr 2026 12:09:42 +0800", "X-Gm-Features": "AQROBzD_Hm10m0SolPLEuT-3owD5t_9L0QFkmMx29r03Z4hQwTFQhgahk-pryqc", "Message-ID": "\n <CAMe9rOp4UzKvTHeUOCL95sngmcAfRKnaL2B=zFgetMfG=AG0Kw@mail.gmail.com>", "Subject": "[PATCH 1/2] Check if linker supports -z separate-code", "To": "GNU C Library <libc-alpha@sourceware.org>, WANG Rui <wangrui@loongson.cn>", "Content-Type": "multipart/mixed; boundary=\"0000000000008575e9064fa02066\"", "X-BeenThere": "libc-alpha@sourceware.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Libc-alpha mailing list <libc-alpha.sourceware.org>", "List-Unsubscribe": "<https://sourceware.org/mailman/options/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe>", "List-Archive": "<https://sourceware.org/pipermail/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-request@sourceware.org?subject=help>", "List-Subscribe": "<https://sourceware.org/mailman/listinfo/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=subscribe>", "Errors-To": "libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org" }, "content": "Set have-separate-code to yes if linker supports -z separate-code.", "diff": "From a2a2cfae8a36a040b25ec3d5af941b2eccf76da8 Mon Sep 17 00:00:00 2001\nFrom: \"H.J. Lu\" <hjl.tools@gmail.com>\nDate: Mon, 13 Apr 2026 08:23:05 +0800\nSubject: [PATCH 1/2] Check if linker supports -z separate-code\n\nSet have-separate-code to yes if linker supports -z separate-code.\n\nSigned-off-by: H.J. Lu <hjl.tools@gmail.com>\n---\n configure | 35 +++++++++++++++++++++++++++++++++++\n configure.ac | 6 ++++++\n 2 files changed, 41 insertions(+)\n\ndiff --git a/configure b/configure\nindex c84d283bd5..2c1a66f6c5 100755\n--- a/configure\n+++ b/configure\n@@ -7350,6 +7350,41 @@ printf \"%s\\n\" \"$libc_linker_feature\" >&6; }\n config_vars=\"$config_vars\n have-no-dynamic-linker = $libc_cv_no_dynamic_linker\"\n \n+{ printf \"%s\\n\" \"$as_me:${as_lineno-$LINENO}: checking for linker that supports -z separate-code\" >&5\n+printf %s \"checking for linker that supports -z separate-code... \" >&6; }\n+libc_linker_feature=no\n+cat > conftest.c <<EOF\n+int _start (void) { return 42; }\n+EOF\n+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp\n+\t\t -Wl,-z,separate-code -nostdlib -nostartfiles\n+\t\t -fPIC -shared -o conftest.so conftest.c\n+\t\t 1>&5'\n+ { { eval echo \"\\\"\\$as_me\\\":${as_lineno-$LINENO}: \\\"$ac_try\\\"\"; } >&5\n+ (eval $ac_try) 2>&5\n+ ac_status=$?\n+ printf \"%s\\n\" \"$as_me:${as_lineno-$LINENO}: \\$? = $ac_status\" >&5\n+ test $ac_status = 0; }; }\n+then\n+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,separate-code -nostdlib \\\n+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \\\n+ | grep \"warning: -z separate-code ignored\" > /dev/null 2>&1; then\n+ true\n+ else\n+ libc_linker_feature=yes\n+ fi\n+fi\n+rm -f conftest*\n+if test $libc_linker_feature = yes; then\n+ libc_cv_separate_code=yes\n+else\n+ libc_cv_separate_code=no\n+fi\n+{ printf \"%s\\n\" \"$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature\" >&5\n+printf \"%s\\n\" \"$libc_linker_feature\" >&6; }\n+config_vars=\"$config_vars\n+have-separate-code = $libc_cv_separate_code\"\n+\n \n { printf \"%s\\n\" \"$as_me:${as_lineno-$LINENO}: checking for -static-pie\" >&5\n printf %s \"checking for -static-pie... \" >&6; }\ndiff --git a/configure.ac b/configure.ac\nindex 280ec8e5b3..71b13ad104 100644\n--- a/configure.ac\n+++ b/configure.ac\n@@ -1356,6 +1356,12 @@ LIBC_LINKER_FEATURE([--no-dynamic-linker],\n \t\t [libc_cv_no_dynamic_linker=no])\n LIBC_CONFIG_VAR([have-no-dynamic-linker], [$libc_cv_no_dynamic_linker])\n \n+LIBC_LINKER_FEATURE([-z separate-code],\n+\t\t [-Wl,-z,separate-code],\n+\t\t [libc_cv_separate_code=yes],\n+\t\t [libc_cv_separate_code=no])\n+LIBC_CONFIG_VAR([have-separate-code], [$libc_cv_separate_code])\n+\n LIBC_TRY_CC_AND_TEST_CC_OPTION(for -static-pie, [-static-pie],\n libc_cv_static_pie,\n [libc_cv_static_pie=yes], [libc_cv_static_pie=no],\n-- \n2.53.0\n\n", "prefixes": [ "1/2" ] }