{"id":2230240,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230240/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/yddqznx9846.fsf@CeBiTec.Uni-Bielefeld.DE/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.1/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"","date":"2026-04-29T14:03:21","name":"[4/6] Remove HAVE_GNU_LD","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"478193bf1a95d4078c540aab15bacdedcf4b9392","submitter":{"id":4362,"url":"http://patchwork.ozlabs.org/api/1.1/people/4362/?format=json","name":"Rainer Orth","email":"ro@CeBiTec.Uni-Bielefeld.DE"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/yddqznx9846.fsf@CeBiTec.Uni-Bielefeld.DE/mbox/","series":[{"id":502070,"url":"http://patchwork.ozlabs.org/api/1.1/series/502070/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=502070","date":"2026-04-29T13:59:25","name":"Remove HAVE_GNU_{AS,LD} etc.","version":1,"mbox":"http://patchwork.ozlabs.org/series/502070/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230240/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230240/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=cebitec.uni-bielefeld.de header.i=@cebitec.uni-bielefeld.de\n header.a=rsa-sha256 header.s=20200306 header.b=TmLPl9EF;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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boundary=\"=-=-=\"","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"Similar to HAVE_GNU_AS, there's only a single use of HAVE_GNU_LD left,\ni.e. linker support for GNU style response files. Therefore this patch\nreplaces it with the result of a new configure test, HAVE_LD_AT_FILE.\n\nApart from that, there's a reference in alpha/vms.h. However, there's\nno documentation on the support status of the alpha*-dec-*vms*\nconfiguration. The last non-mechanical change to VMS files in\ngcc/config dates back to 2014, so I've left that alone.\n\nOk for trunk?\n\n\tRainer","diff":"# HG changeset patch\n# Parent dc41f922db16b303ab469b3519fe549ad59ab271\nRemove HAVE_GNU_LD\n\ndiff --git a/gcc/ada/link.c b/gcc/ada/link.c\n--- a/gcc/ada/link.c\n+++ b/gcc/ada/link.c\n@@ -160,9 +160,9 @@ const char *__gnat_object_library_extens\n unsigned char __gnat_separate_run_path_options = 0;\n const char *__gnat_default_libgcc_subdir = \"lib\";\n \n-#elif (HAVE_GNU_LD)\n-/* These are the settings for all systems that use gnu ld. GNU style response\n- file is supported, the shared library default is STATIC. */\n+#elif (HAVE_LD_AT_FILE)\n+/* These are the settings for all systems that support GNU style response\n+ files. The shared library default is STATIC. */\n \n const char *__gnat_object_file_option = \"-Wl,@\";\n const char *__gnat_run_path_option = \"\";\ndiff --git a/gcc/collect2.cc b/gcc/collect2.cc\n--- a/gcc/collect2.cc\n+++ b/gcc/collect2.cc\n@@ -718,7 +718,7 @@ maybe_run_lto_and_relink (char **lto_ld_\n \n /* Run the linker again, this time replacing the object files\n optimized by the LTO with the temporary file generated by the LTO. */\n- fork_execute (\"ld\", out_lto_ld_argv, HAVE_GNU_LD && at_file_supplied,\n+ fork_execute (\"ld\", out_lto_ld_argv, HAVE_LD_AT_FILE && at_file_supplied,\n \t\t \"ld_args\");\n /* We assume that temp files were created, and therefore we need to take\n that into account (maybe run dsymutil). */\n@@ -731,7 +731,7 @@ maybe_run_lto_and_relink (char **lto_ld_\n {\n /* Our caller is relying on us to do the link\n even though there is no LTO back end work to be done. */\n- fork_execute (\"ld\", lto_ld_argv, HAVE_GNU_LD && at_file_supplied,\n+ fork_execute (\"ld\", lto_ld_argv, HAVE_LD_AT_FILE && at_file_supplied,\n \t\t \"ld_args\");\n /* No LTO objects were found, so no new temp file. */\n post_ld_pass (/*temp_file*/false);\n@@ -749,7 +749,7 @@ do_link (char **ld_argv, const char *ats\n const char *prog = \"ld\";\n pex = collect_execute (prog, ld_argv, NULL, NULL,\n \t\t\t PEX_LAST | PEX_SEARCH,\n-\t\t\t HAVE_GNU_LD && at_file_supplied, atsuffix);\n+\t\t\t HAVE_LD_AT_FILE && at_file_supplied, atsuffix);\n int ret = collect_wait (prog, pex);\n if (ret)\n {\n@@ -1809,7 +1809,8 @@ main (int argc, char **argv)\n maybe_run_lto_and_relink (ld2_argv, object_lst, object, true);\n else\n {\n- fork_execute (\"ld\", ld2_argv, HAVE_GNU_LD && at_file_supplied, \"ld_args\");\n+ fork_execute (\"ld\", ld2_argv, HAVE_LD_AT_FILE && at_file_supplied,\n+\t\t \"ld_args\");\n post_ld_pass (/*temp_file*/false);\n }\n \ndiff --git a/gcc/config.in b/gcc/config.in\n--- a/gcc/config.in\n+++ b/gcc/config.in\n@@ -1616,12 +1616,6 @@\n #endif\n \n \n-/* Define to 1 if using GNU ld. */\n-#ifndef USED_FOR_TARGET\n-#undef HAVE_GNU_LD\n-#endif\n-\n-\n /* Define if the gold linker supports split stack and is available as a\n non-default */\n #ifndef USED_FOR_TARGET\n@@ -1703,6 +1697,12 @@\n #endif\n \n \n+/* Define if your linker supports GNU style response files. */\n+#ifndef USED_FOR_TARGET\n+#undef HAVE_LD_AT_FILE\n+#endif\n+\n+\n /* Define if your linker supports emulation avrxmega2_flmap. */\n #ifndef USED_FOR_TARGET\n #undef HAVE_LD_AVR_AVRXMEGA2_FLMAP\ndiff --git a/gcc/configure b/gcc/configure\n--- a/gcc/configure\n+++ b/gcc/configure\n@@ -13100,13 +13100,6 @@ $as_echo \"#define USE_LONG_LONG_FOR_WIDE\n \n fi\n \n-gnu_ld_bool=`if test x\"$gnu_ld\" = x\"yes\"; then echo 1; else echo 0; fi`\n-\n-cat >>confdefs.h <<_ACEOF\n-#define HAVE_GNU_LD $gnu_ld_bool\n-_ACEOF\n-\n-\n count=a\n for f in $host_xm_file; do\n \tcount=${count}x\n@@ -21949,7 +21942,7 @@ else\n lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2\n lt_status=$lt_dlunknown\n cat > conftest.$ac_ext <<_LT_EOF\n-#line 21952 \"configure\"\n+#line 21945 \"configure\"\n #include \"confdefs.h\"\n \n #if HAVE_DLFCN_H\n@@ -22055,7 +22048,7 @@ else\n lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2\n lt_status=$lt_dlunknown\n cat > conftest.$ac_ext <<_LT_EOF\n-#line 22058 \"configure\"\n+#line 22051 \"configure\"\n #include \"confdefs.h\"\n \n #if HAVE_DLFCN_H\n@@ -26782,6 +26775,28 @@ $as_echo \"#define HAVE_GAS_HIDDEN 1\" >>c\n \n fi\n \n+{ $as_echo \"$as_me:${as_lineno-$LINENO}: checking linker supports GNU style respones files\" >&5\n+$as_echo_n \"checking linker supports GNU style respones files... \" >&6; }\n+gcc_cv_ld_at_file=no\n+if test $in_tree_ld = yes ; then\n+ gcc_cv_ld_at_file=yes\n+elif test x\"$gcc_cv_as\" != x -a x\"$gcc_cv_ld\" != x; then\n+ echo '.byte 0' > conftest.s\n+ echo conftest.o > conftest.at\n+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \\\n+ && $gcc_cv_ld -r -o conftest2.o @conftest.at > /dev/null 2>&1; then\n+ gcc_cv_ld_at_file=yes\n+ fi\n+ rm -f conftest.* conftest2.*\n+fi\n+\n+cat >>confdefs.h <<_ACEOF\n+#define HAVE_LD_AT_FILE `if test $gcc_cv_ld_at_file = yes; then echo 1; else echo 0; fi`\n+_ACEOF\n+\n+{ $as_echo \"$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_ro_rw_mix\" >&5\n+$as_echo \"$gcc_cv_ld_ro_rw_mix\" >&6; }\n+\n { $as_echo \"$as_me:${as_lineno-$LINENO}: checking linker read-only and read-write section mixing\" >&5\n $as_echo_n \"checking linker read-only and read-write section mixing... \" >&6; }\n gcc_cv_ld_ro_rw_mix=unknown\ndiff --git a/gcc/configure.ac b/gcc/configure.ac\n--- a/gcc/configure.ac\n+++ b/gcc/configure.ac\n@@ -2020,9 +2020,6 @@ if test x$use_long_long_for_widest_fast_\n efficiently supported by the host hardware.])\n fi\n \n-gnu_ld_bool=`if test x\"$gnu_ld\" = x\"yes\"; then echo 1; else echo 0; fi`\n-AC_DEFINE_UNQUOTED(HAVE_GNU_LD, $gnu_ld_bool, [Define to 1 if using GNU ld.])\n-\n count=a\n for f in $host_xm_file; do\n \tcount=${count}x\n@@ -3379,6 +3376,24 @@ if test $gcc_cv_as_hidden = yes && test \n [Define if your assembler and linker support .hidden.])\n fi\n \n+AC_MSG_CHECKING(linker supports GNU style respones files)\n+gcc_cv_ld_at_file=no\n+if test $in_tree_ld = yes ; then\n+ gcc_cv_ld_at_file=yes\n+elif test x\"$gcc_cv_as\" != x -a x\"$gcc_cv_ld\" != x; then\n+ echo '.byte 0' > conftest.s\n+ echo conftest.o > conftest.at\n+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \\\n+ && $gcc_cv_ld -r -o conftest2.o @conftest.at > /dev/null 2>&1; then\n+ gcc_cv_ld_at_file=yes\n+ fi\n+ rm -f conftest.* conftest2.*\n+fi\n+AC_DEFINE_UNQUOTED(HAVE_LD_AT_FILE,\n+ [`if test $gcc_cv_ld_at_file = yes; then echo 1; else echo 0; fi`],\n+ [Define if your linker supports GNU style response files.])\n+AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)\n+\n AC_MSG_CHECKING(linker read-only and read-write section mixing)\n gcc_cv_ld_ro_rw_mix=unknown\n if test $in_tree_ld = yes ; then\ndiff --git a/gcc/testsuite/gcc.misc-tests/outputs.exp b/gcc/testsuite/gcc.misc-tests/outputs.exp\n--- a/gcc/testsuite/gcc.misc-tests/outputs.exp\n+++ b/gcc/testsuite/gcc.misc-tests/outputs.exp\n@@ -50,15 +50,8 @@ if !$skip_lto {\n set ltop [check_linker_plugin_available]\n }\n \n-# Check for GNU LD. Some files like .ld1_args depend on this. This\n-# should really be testing whether HAVE_GNU_LD was set by configure.\n-# If we find GNU ld here, but the compiler wasn't configured\n-# --with-gnu-ld or with DEFAULT_LINKER pointing at GNU ld, on a target\n-# that doesn't set gnu_ld=yes unconditionally, configure and thus\n-# collect2 will conservatively assume there's no support for @file in\n-# the linker, but our atfile tests will expect ld1_args files to be\n-# created, and thus fail. Configuring the compiler --with-gnu-ld\n-# fixes this.\n+# Check for GNU ld. Some files like .ld1_args depend on this. This\n+# should really be testing whether the linker supports GNU style response files.\n set gld [check_effective_target_gld]\n \n # Prepare additional options to be used for linking.\n","prefixes":["4/6"]}