commit: c088e880493faa16c2684fced43a2eb4cb67fe23 Author: James Le Cuirot <chewi <AT> gentoo <DOT> org> AuthorDate: Sat Jan 4 21:49:18 2025 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Fri Feb 7 21:18:50 2025 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=c088e880
15.0.0: Update esysroot patch to fix prefix and Canadian Cross issues Closes: https://bugs.gentoo.org/942672 Signed-off-by: James Le Cuirot <chewi <AT> gentoo.org> Closes: https://github.com/gentoo/gcc-patches/pull/7 Signed-off-by: Sam James <sam <AT> gentoo.org> 15.0.0/gentoo/09_all_esysroot.patch | 77 ++++++++++++++++++++++++------------- 15.0.0/gentoo/README.history | 6 ++- 2 files changed, 56 insertions(+), 27 deletions(-) diff --git a/15.0.0/gentoo/09_all_esysroot.patch b/15.0.0/gentoo/09_all_esysroot.patch index 80e0561..85a4b5e 100644 --- a/15.0.0/gentoo/09_all_esysroot.patch +++ b/15.0.0/gentoo/09_all_esysroot.patch @@ -1,67 +1,92 @@ -From 71e048084d32811f6e17e73b6ebadfe550ef1193 Mon Sep 17 00:00:00 2001 +From c012b20eca546ec60878058094e59267ebfba1a9 Mon Sep 17 00:00:00 2001 From: James Le Cuirot <[email protected]> -Date: Sun, 4 Aug 2024 17:02:06 +0100 -Subject: [PATCH] Allow setting target sysroot with ESYSROOT env var for +Date: Mon, 23 Dec 2024 16:50:25 +0000 +Subject: [PATCH 3/3] Allow setting target sysroot with ESYSROOT env var for cross-compilers -The variable is ignored for native compilers. The --sysroot command line -option takes precedence. +The variable is ignored for native compilers, when it matches BROOT, and +when the target machine does not match CHOST (if set). The --sysroot +command line option takes precedence. + +The CHOST check is necessary for a Canadian Cross. In that case, two +cross-compilers are invoked, but only the one matching CHOST should have +its sysroot set by ESYSROOT. Signed-off-by: James Le Cuirot <[email protected]> --- - gcc/doc/invoke.texi | 10 ++++++++++ - gcc/gcc.cc | 10 ++++++++++ - 2 files changed, 20 insertions(+) + gcc/doc/invoke.texi | 11 +++++++++++ + gcc/gcc.cc | 29 +++++++++++++++++++++++++++++ + 2 files changed, 40 insertions(+) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi -index 0fe99ca8e..434cf30e2 100644 +index 0a7a81b20..d66f53b65 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi -@@ -19230,6 +19230,10 @@ for this option. If your linker does not support this option, the +@@ -19355,6 +19355,10 @@ for this option. If your linker does not support this option, the header file aspect of @option{--sysroot} still works, but the library aspect does not. +On Gentoo Linux, this option can also be set for cross-compilers using the -+@env{ESYSROOT} environmnent variable. The variable is ignored for native -+compilers. The command line option takes precedence. ++@env{ESYSROOT} environmnent variable. The command line option takes ++precedence. + @opindex no-sysroot-suffix @item --no-sysroot-suffix For some targets, a suffix is added to the root directory specified -@@ -37657,6 +37661,12 @@ using GCC also uses these directories when searching for ordinary +@@ -37590,6 +37594,13 @@ using GCC also uses these directories when searching for ordinary libraries for the @option{-l} option (but directories specified with @option{-L} come first). +@vindex ESYSROOT +@item ESYSROOT +On Gentoo Linux, this variable sets the logical root directory for headers and -+libraries for cross-compilers. It is ignored for native compilers. The -+@option{--sysroot} option takes precedence. ++libraries for cross-compilers. It is ignored for native compilers, when it ++matches @env{BROOT}, and when the target machine does not match @env{CHOST} ++(if set). The @option{--sysroot} option takes precedence. + @vindex LANG @cindex locale definition @item LANG diff --git a/gcc/gcc.cc b/gcc/gcc.cc -index abdb40bfe..956363ddb 100644 +index 4188f0049..e88c7067f 100644 --- a/gcc/gcc.cc +++ b/gcc/gcc.cc -@@ -5516,6 +5516,16 @@ process_command (unsigned int decoded_options_count, - "BINUTILS", PREFIX_PRIORITY_LAST, 0, 1); - free (tooldir_prefix); +@@ -5486,6 +5486,35 @@ process_command (unsigned int decoded_options_count, + gcc_assert (!compare_debug_opt); + } + if (*cross_compile == '1' && !target_system_root_changed) + { + const char *esysroot = env.get("ESYSROOT"); -+ if (esysroot && esysroot[0] != '\0' && strcmp(esysroot, "/") != 0 && (!target_system_root || strcmp(esysroot, target_system_root) != 0)) ++ const char *chost = env.get("CHOST"); ++ if (esysroot && (!chost || strcmp(chost, spec_machine) == 0)) + { -+ target_system_root = esysroot; -+ target_system_root_changed = 1; ++ char *my_esysroot = lrealpath(esysroot); ++ if (my_esysroot[0] == '\0') ++ my_esysroot = xstrdup("/"); ++ ++ if (!target_system_root || ++ !filename_eq(my_esysroot, target_system_root[0] == '\0' ? "/" : target_system_root)) ++ { ++ const char *broot = env.get("BROOT"); ++ char *my_broot = (!broot || broot[0] == '\0') ? xstrdup("/") : lrealpath(broot); ++ ++ if (!filename_eq(my_esysroot, my_broot)) ++ { ++ target_system_root = esysroot; ++ target_system_root_changed = 1; ++ } ++ ++ free(my_broot); ++ } ++ ++ free(my_esysroot); + } + } + - #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) - /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, - then consider it to relocate with the rest of the GCC installation + /* Set up the search paths. We add directories that we expect to + contain GNU Toolchain components before directories specified by + the machine description so that we will find GNU components (like -- -2.45.2 +2.47.1 diff --git a/15.0.0/gentoo/README.history b/15.0.0/gentoo/README.history index 975777d..bac4f3e 100644 --- a/15.0.0/gentoo/README.history +++ b/15.0.0/gentoo/README.history @@ -1,3 +1,7 @@ +45 ???? + + U 09_all_esysroot.patch + 44 2 February 2025 - 83_all-gcc-d-give-dependency-files-better-filenames.patch @@ -117,7 +121,7 @@ 21 1 November 2024 - + 31_all_time64.patch + + 31_all_time64.patch 20 28 October 2024
