On Tue, Mar 10, 2020 at 10:13:37AM +0100, Ludovic Courtès wrote: > [email protected] skribis: > > > commit 7a57ca758c590742b63100944f07fddb7290f797 > > Author: Jan Nieuwenhuizen <[email protected]> > > AuthorDate: Sun Mar 1 13:45:42 2020 +0100 > > > > gnu: commencement: gcc-boot0: Build fix for the Hurd. > > > > Fixes: > > g++ -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE > > -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall > > -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute > > -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros > > -Wno-overlength-strings -DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE > > -static-libstdc++ -static-libgcc > > -Wl,-rpath=/gnu/store/vp2id82a597p119b3wyhhkhd467wvn78-glibc-bootstrap-0/lib > > -Wl,-dynamic-linker -Wl,/gnu/store/vp2id82a597p119b3w [...] > > build/genmddeps.o build/read-md.o build/errors.o > > ../build-i586-unknown-gnu/libiberty/libiberty.a > > > > /gnu/store/jk3kx5jwjs9m60svzk6sz79bf0w33l91-binutils-cross-boot0-2.34/bin/ld: > > build/read-md.o: in function `md_reader::~md_reader()': > > > > /tmp/guix-build-gcc-cross-boot0-7.5.0.drv-0/build/gcc/../../gcc-7.5.0/gcc/read-md.c:1049: > > undefined reference to `operator delete(void*, unsigned int)' > > > > This raises the question: Should libstdc++-boot0 (v4.9) be sufficient > > to build > > gcc-boot0 (v7.5.0)? > > Hmm? :-) > > > * gnu/packages/commencement.scm (gcc-boot0): Add static library path. > > > `(,(string-append "LDFLAGS=" > > + (if ,(hurd-system?) > > + (string-append > > + "-L" (assoc-ref %build-inputs "gcc") > > "/lib ") > > + "") > > Could you add a comment saying that this is to allow the ‘delete’ > operator to be found? Weird. > > That’s it, thanks for the great work! > > Ludo’. >
With the bootstrapping efforts going around there's a couple of patches floating around to change the gcc version for libstdc++-boot0. I've tested the following patch, which also prepares the way for any other future supported platforms. -- Efraim Flashner <[email protected]> אפרים פלשנר GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted
From 4506c48da7df4397d459337988adbdd54c0d440d Mon Sep 17 00:00:00 2001 From: Efraim Flashner <[email protected]> Date: Thu, 13 Feb 2020 10:47:34 +0200 Subject: [PATCH 1/2] gnu: libstdc++-boot0: Use per-architecture gcc versions. * gnu/packages/commencement.scm (libstdc++-boot0): Use a version of gcc more closely tied to their bootstrap process. --- gnu/packages/commencement.scm | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm index 2a0a83ad49..b5cb08a19a 100644 --- a/gnu/packages/commencement.scm +++ b/gnu/packages/commencement.scm @@ -3,7 +3,7 @@ ;;; Copyright © 2014 Andreas Enge <[email protected]> ;;; Copyright © 2012 Nikita Karetnikov <[email protected]> ;;; Copyright © 2014, 2015, 2017 Mark H Weaver <[email protected]> -;;; Copyright © 2017, 2018, 2019 Efraim Flashner <[email protected]> +;;; Copyright © 2017, 2018, 2019, 2020 Efraim Flashner <[email protected]> ;;; Copyright © 2018 Tobias Geerinckx-Rice <[email protected]> ;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <[email protected]> ;;; Copyright © 2019 Marius Bakke <[email protected]> @@ -1427,9 +1427,12 @@ exec " gcc "/bin/" program (define libstdc++-boot0 ;; GCC's libcc1 is always built as a shared library (the top-level ;; 'Makefile.def' forcefully adds --enable-shared) and thus needs to refer - ;; to libstdc++.so. We cannot build libstdc++-5.3 because it relies on - ;; C++14 features missing in some of our bootstrap compilers. - (let ((lib (make-libstdc++ gcc-4.9))) + ;; to libstdc++.so. We therefore use a version of GCC which most closely + ;; matches the bootstrap compiler of that architecture. + (let ((lib (make-libstdc++ + (match (%current-system) + ("aarch64-linux" gcc-5) + (_ gcc-4.9))))) (package (inherit lib) (source (bootstrap-origin (package-source lib))) -- 2.25.0
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