REVERT THIS: disable GCC build to speed up workflows

Author: Bronek

docker/debian/Dockerfile.gcc-12-bullseye

@@ -1,156 +1 @@
-FROM buildpack-deps:bullseye
-
-## NOTE: EVERYTHING BELOW THIS COMMENT IS FROM
-## https://github.com/docker-library/gcc/blob/7070981b23d22d3ca790f87bff26f13f3614dd4c/12/Dockerfile
-
-
-RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-# install abigail-tools so we can use abidiff later to verify that we don't break Debian packages
-		abigail-tools \
-	; \
-	rm -rf /var/lib/apt/lists/*
-
-# https://gcc.gnu.org/mirrors.html
-ENV GPG_KEYS \
-# 1024D/745C015A 1999-11-09 Gerald Pfeifer <gerald@pfeifer.com>
-	B215C1633BCA0477615F1B35A5B3A004745C015A \
-# 1024D/B75C61B8 2003-04-10 Mark Mitchell <mark@codesourcery.com>
-	B3C42148A44E6983B3E4CC0793FA9B1AB75C61B8 \
-# 1024D/902C9419 2004-12-06 Gabriel Dos Reis <gdr@acm.org>
-	90AA470469D3965A87A5DCB494D03953902C9419 \
-# 1024D/F71EDF1C 2000-02-13 Joseph Samuel Myers <jsm@polyomino.org.uk>
-	80F98B2E0DAB6C8281BDF541A7C8C3B2F71EDF1C \
-# 2048R/FC26A641 2005-09-13 Richard Guenther <richard.guenther@gmail.com>
-	7F74F97C103468EE5D750B583AB00996FC26A641 \
-# 1024D/C3C45C06 2004-04-21 Jakub Jelinek <jakub@redhat.com>
-	33C235A34C46AA3FFB293709A328C3A2C3C45C06 \
-# 4096R/09B5FA62 2020-05-28 Jakub Jelinek <jakub@redhat.com>
-	D3A93CAD751C2AF4F8C7AD516C35B99309B5FA62
-
-# https://gcc.gnu.org/mirrors.html
-ENV GCC_MIRRORS \
-		https://ftpmirror.gnu.org/gcc \
-		https://mirrors.kernel.org/gnu/gcc \
-		https://bigsearcher.com/mirrors/gcc/releases \
-		http://www.netgull.com/gcc/releases \
-		https://ftpmirror.gnu.org/gcc \
-# "sourceware.org" is the canonical upstream release host (the host of "gcc.gnu.org")
-		https://sourceware.org/pub/gcc/releases \
-# only attempt the origin FTP as a mirror of last resort
-		ftp://ftp.gnu.org/gnu/gcc
-
-# Last Modified: 2025-07-11
-ENV GCC_VERSION 12.5.0
-# Docker EOL: 2027-01-11
-
-RUN set -ex; \
-	\
-	savedAptMark="$(apt-mark showmanual)"; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		dpkg-dev \
-		flex \
-		gnupg \
-	; \
-	rm -r /var/lib/apt/lists/*; \
-	\
-	_fetch() { \
-		local fetch="$1"; shift; \
-		local file="$1"; shift; \
-		for mirror in $GCC_MIRRORS; do \
-			if curl -fL "$mirror/$fetch" -o "$file"; then \
-				return 0; \
-			fi; \
-		done; \
-		echo >&2 "error: failed to download '$fetch' from several mirrors"; \
-		return 1; \
-	}; \
-	\
-	_fetch "gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.xz.sig" 'gcc.tar.xz.sig'; \
-	_fetch "gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.xz" 'gcc.tar.xz'; \
-	export GNUPGHOME="$(mktemp -d)"; \
-	for key in $GPG_KEYS; do \
-		gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \
-	done; \
-	gpg --batch --verify gcc.tar.xz.sig gcc.tar.xz; \
-	gpgconf --kill all; \
-	rm -rf "$GNUPGHOME"; \
-	mkdir -p /usr/src/gcc; \
-	tar -xf gcc.tar.xz -C /usr/src/gcc --strip-components=1; \
-	rm gcc.tar.xz*; \
-	\
-	cd /usr/src/gcc; \
-	\
-# "download_prerequisites" pulls down a bunch of tarballs and extracts them,
-# but then leaves the tarballs themselves lying around
-	./contrib/download_prerequisites; \
-	{ rm *.tar.* || true; }; \
-	\
-# explicitly update autoconf config.guess and config.sub so they support more arches/libcs
-	for f in config.guess config.sub; do \
-		wget -O "$f" "https://git.savannah.gnu.org/cgit/config.git/plain/$f?id=7d3d27baf8107b630586c962c057e22149653deb"; \
-# find any more (shallow) copies of the file we grabbed and update them too
-		find -mindepth 2 -name "$f" -exec cp -v "$f" '{}' ';'; \
-	done; \
-	\
-	dir="$(mktemp -d)"; \
-	cd "$dir"; \
-	\
-	extraConfigureArgs=''; \
-	dpkgArch="$(dpkg --print-architecture)"; \
-	case "$dpkgArch" in \
-# with-arch: https://salsa.debian.org/toolchain-team/gcc/-/blob/gcc-13-debian/debian/rules2#L533-573
-# with-float: https://salsa.debian.org/toolchain-team/gcc/-/blob/gcc-13-debian/debian/rules2#L521-523
-# with-mode: https://salsa.debian.org/toolchain-team/gcc/-/blob/gcc-13-debian/debian/rules2#L571
-		armel) \
-			extraConfigureArgs="$extraConfigureArgs --with-arch=armv5te --with-float=soft" \
-			;; \
-		armhf) \
-			# https://bugs.launchpad.net/ubuntu/+source/gcc-defaults/+bug/1939379/comments/2
-			extraConfigureArgs="$extraConfigureArgs --with-arch=armv7-a+fp --with-float=hard --with-mode=thumb" \
-			;; \
-		\
-# with-arch-32: https://salsa.debian.org/toolchain-team/gcc/-/blob/gcc-13-debian/debian/rules2#L670
-		i386) \
-			extraConfigureArgs="$extraConfigureArgs --with-arch-32=i686"; \
-			;; \
-	esac; \
-	\
-	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
-	/usr/src/gcc/configure \
-		--build="$gnuArch" \
-		--disable-multilib \
-		--enable-languages=c,c++,fortran,go \
-		$extraConfigureArgs \
-	; \
-	make -j "$(nproc)"; \
-	make install-strip; \
-	\
-	cd ..; \
-	\
-	rm -rf "$dir" /usr/src/gcc; \
-	\
-	apt-mark auto '.*' > /dev/null; \
-	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
-
-# gcc installs .so files in /usr/local/lib64 (and /usr/local/lib)...
-RUN set -ex; \
-# this filename needs to sort higher than all the architecture filenames ("aarch64-...", "armeabi...", etc)
-	{ echo '/usr/local/lib64'; echo '/usr/local/lib'; } > /etc/ld.so.conf.d/000-local-lib.conf; \
-	ldconfig -v; \
-	# the libc created by gcc might be too old for a newer Debian
-	# check that the Debian libstdc++ doesn't have newer requirements than the gcc one
-	deb="$(readlink -ve /usr/lib/*/libstdc++.so* | head -1)"; \
-	gcc="$(readlink -ve /usr/local/lib*/libstdc++.so | head -1)"; \
-# using LD_PRELOAD to make sure "abidiff" itself doesn't fail with the exact error we're trying to test for 😂😭
-	LD_PRELOAD="$deb" abidiff --no-added-syms "$deb" "$gcc"
-
-# ensure that alternatives are pointing to the new compiler and that old one is no longer used
-RUN set -ex; \
-	dpkg-divert --divert /usr/bin/gcc.orig --rename /usr/bin/gcc; \
-	dpkg-divert --divert /usr/bin/g++.orig --rename /usr/bin/g++; \
-	dpkg-divert --divert /usr/bin/gfortran.orig --rename /usr/bin/gfortran; \
-	update-alternatives --install /usr/bin/cc cc /usr/local/bin/gcc 999
+FROM gcc:12-bullseye