diff --git a/gcc/notes/gentoo/gentoo.sha1 b/gcc/notes/gentoo/gentoo.sha1 index f97c4ea..34c25a6 100644 --- a/gcc/notes/gentoo/gentoo.sha1 +++ b/gcc/notes/gentoo/gentoo.sha1 @@ -1,3 +1,4 @@ +9a923237a1a1d3d4005d5676e25072a2d1f66af1 baselayout-2.7.tar.bz2 534c7ee46331ff1f1fc96a378fd6a9f6b322a242 bison-3.7.1.tar.xz f17235bc9c3aec538065a655681815c242a6d7d5 ca-certificates_20200601.tar.xz 8df6cb570c8d6596a67d1c0773bf00650154f7aa libffi-3.3.tar.gz diff --git a/gcc/notes/gentoo/gentoo.wget-list b/gcc/notes/gentoo/gentoo.wget-list index 6635a4f..950334b 100644 --- a/gcc/notes/gentoo/gentoo.wget-list +++ b/gcc/notes/gentoo/gentoo.wget-list @@ -1,3 +1,4 @@ +https://gitweb.gentoo.org/proj/baselayout.git/snapshot/baselayout-2.7.tar.bz2 https://tukaani.org/xz/xz-5.2.5.tar.gz https://zlib.net/zlib-1.2.11.tar.gz https://github.com/libffi/libffi/releases/download/v3.3/libffi-3.3.tar.gz diff --git a/gcc/notes/gentoo/gentoo_gen.sh b/gcc/notes/gentoo/gentoo_gen.sh index 889d71b..718808b 100755 --- a/gcc/notes/gentoo/gentoo_gen.sh +++ b/gcc/notes/gentoo/gentoo_gen.sh @@ -6,6 +6,7 @@ set -e root="${1:-/}" pkgs=" +sys-apps/baselayout app-arch/xz-utils sys-libs/zlib dev-libs/libffi diff --git a/gcc/notes/gentoo/gentoo_notes.txt b/gcc/notes/gentoo/gentoo_notes.txt index 6f88f70..63cd51a 100644 --- a/gcc/notes/gentoo/gentoo_notes.txt +++ b/gcc/notes/gentoo/gentoo_notes.txt @@ -1,4 +1,4 @@ -Based on portage-3.0.8 and gentoo-20201031 snapshot +Based on portage-3.0.8 and gentoo-20201101 snapshot The specifics of this document (software versions and whatnot) are subject to change as gentoo evolves, but I hope the big lines of it won't change too @@ -12,15 +12,18 @@ architectures, but this guide won't go into detail. You should be running a system with a x86_64 kernel (with i686 support). Install the required sources (listed in gentoo.wget-list) into /sources. +Before entering the system, create the basic directory layout by unpacking +the baselayout tarball, and running: +make layout OS=Linux DESTDIR= +NOTE: In the future this might have to become `layout-usrmerge` + To enter the bootstrap system as a chroot, use the following commands to set up the filesystems and entering: -mkdir -p proc sys dev tmp mount -t proc proc proc mount -t sysfs sysfs sys mount -t devtmpfs devtmpfs dev mount -t devpts devpts dev/pts mount -t tmpfs tmpfs dev/shm -mkdir -p etc touch etc/resolv.conf mount --bind /etc/resolv.conf etc/resolv.conf ./bootstrap/bin/chroot . /bootstrap/bin/env -i PATH=/bin:/sbin:/usr/bin:/usr/sbin:/bootstrap/bin:/bootstrap/sbin HOME=/root /bootstrap/bin/sh -l @@ -29,23 +32,24 @@ To install all the prerequisite tools, place the sources (listed in gentoo.wget-list) under /sources, then run the gentoo_tools.sh script. Configure portage: -echo "root:x:0:0:root:/root:/bin/bash" > /etc/passwd -echo "root:x:0:root" > /etc/group -echo "portage:x:250:250:portage:/var/tmp/portage:/bin/false" >> /etc/passwd -echo "portage::250:portage" >> /etc/group +echo "portage:x:250:250:portage:/var/tmp/portage:/bin/false" > /etc/passwd +echo "portage::250:portage" > /etc/group echo "C UTF-8" > /etc/locale.gen -mkdir -p /tmp /root -chown root.root /tmp /root -chmod 1777 /tmp -chmod 0700 /root cat > /etc/portage/make.conf << 'EOF' FEATURES='-pid-sandbox -news' ROOTPATH=/bootstrap/bin:/bootstrap/sbin EOF ln -sf ../../var/db/repos/gentoo/profiles/default/linux/amd64/17.1/ /etc/portage/make.profile +NOTE: You can copy the ebuild repository archive, gpgsig and md5sum to +/var/cache/distfiles to avoid downloading. + Install ebuild repository (pick appropriate date, see distfiles.gentoo.org/snapshots): -emerge-webrsync -v --revert=20201031 +emerge-webrsync -k -v --revert=20201101 + +Install baselayout: +emerge -O1 sys-apps/baselayout +cp /usr/share/baselayout/{passwd,group} /etc/ Install some ebuild prerequisites: emerge -O1 sys-apps/gentoo-functions # Used by elt-patches and a ton of other things @@ -66,24 +70,22 @@ the change from /bootstrap to /usr, as well as the multilib libdir changes, so for simplicity's sake, I won't bother. This just works™. Install temporary libc files for target compiler: -mkdir -p /lib64 /lib ln -sf /bootstrap/lib/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2 ln -sf /bootstrap/lib32/ld-linux.so.2 /lib/ld-linux.so.2 -mkdir -p /usr/include -ln -sf /bootstrap/include/limits.h /usr/include/limits.h -mkdir -p /usr/lib64 /usr/lib ln -sf /bootstrap/lib/{crti,crtn,Scrt1}.o \ /bootstrap/lib/{libc,libm,libpthread}.so /usr/lib64/ ln -sf /bootstrap/lib32/{crti,crtn,Scrt1}.o \ /bootstrap/lib32/{libc,libm,libpthread}.so /usr/lib/ +mkdir -p /usr/include +ln -sf /bootstrap/include/limits.h /usr/include/limits.h Install binutils+GCC (linked against /bootstrap): USE='-*' emerge -O1 sys-devel/binutils USE='-* static-libs' EXTRA_ECONF=--disable-shared \ - CPPFLAGS='-isystem/usr/include' LDFLAGS='-L/usr/lib64 -L/usr/lib' \ + CPPFLAGS='-I/usr/include' LDFLAGS='-L/usr/lib64 -L/usr/lib' \ emerge -O1 dev-libs/gmp dev-libs/mpfr dev-libs/mpc USE='-*' EXTRA_ECONF=--disable-bootstrap GCC_MAKE_TARGET=all \ - CPPFLAGS='-isystem/usr/include' LDFLAGS='-L/usr/lib64 -L/usr/lib' \ + CPPFLAGS='-I/usr/include' LDFLAGS='-L/usr/lib64 -L/usr/lib' \ CPATH=/bootstrap/include \ emerge -O1 sys-devel/gcc emerge --rage-clean dev-libs/gmp dev-libs/mpfr dev-libs/mpc @@ -133,22 +135,16 @@ gzip, grep, and other tools, they're still required for some reason. From this point onward, you're pretty much on your own to beat portage into performing an `emerge -e @system` and fixing any unspecified dependencies you encounter along the way. This can be done in a whole number of ways, and will -differ on any given day, since this is painfully unsupported by gentoo devs. -Because the order in which you install everything can differ wildly, and -consequently affect the output of your build, it is advised to do a second -`emerge -e @system` afterwards, for sanity. Below I detail my most recent -procedure, which, I can't stress enough, may or may not work at the time -you're reading this. +differ on any given day, since this method of bootstrapping is painfully +unsupported by gentoo devs. Below I detail my most recent procedure, which, I +can't stress enough, may or may not work at the time you're reading this. Fix circular dependencies: USE=-filecaps emerge -O1 sys-libs/pam USE='-acl -xattr' emerge -O1 sys-apps/shadow # required by acct-group/acct-user -Verify there's no circular deps left, for sanity: -emerge -fe @system - Build everything: -emerge -e @system +emerge -be @system Clean up bootstrap tools/configs: rm -rf /bootstrap /sources @@ -158,30 +154,44 @@ Reinitialize environment: env-update exec bash -l -Consider rebuilding everything again without /bootstrap, since a lot of -packages couldn't be properly stripped, and a bunch of other tools have been -upgraded, during the first emerge -e @system: +NOTE: Re-entering chroot after this point: +chroot . /usr/bin/env -i /bin/su -l +NOTE: Cleaning up the chroot: +umount -R proc sys dev etc/resolv.conf + +(optional) consider rebuilding everything again without /bootstrap, to ensure sanity: emerge -be @system To install everything into a clean root: -ROOT=/final emerge -K @system +USE=build emerge --root /final sys-apps/baselayout +emerge --root /final -K -j$(nproc) @system +#emerge --root /final --sysroot /final -K --with-bdeps=y --root-deps -j$(nproc) @system +TODO: How to forcefully install _everything_ + +Now you're essentially done. You can move /final (as well as /var/db/repos, +/var/cache/distfiles and /var/cache/binpkgs) to a proper disk and start using +it, or copy the built binpkgs to an existing install and install them. This +guide will further go over how to make a stage3 and install CD, in case you're +installing a new machine, or just want to know how that's done. Prepare files for catalyst: -mkdir -p /var/tmp/catalyst/snapshots -wget -O gentoo-latest.tar.xz http://distfiles.gentoo.org/snapshots/gentoo-latest.tar.xz mkdir -p /var/tmp/catalyst/builds/default cd /var/tmp/catalyst/builds/default tar -C /final -cf stage3-amd64-latest.tar . -xz -9v stage3-amd64-latest.tar rm -rf /final -wget -O stage1.spec "https://gitweb.gentoo.org/proj/releng.git/plain/releases/specs/amd64/stage1.spec" -wget -O stage2.spec "https://gitweb.gentoo.org/proj/releng.git/plain/releases/specs/amd64/stage2.spec" -wget -O stage3.spec "https://gitweb.gentoo.org/proj/releng.git/plain/releases/specs/amd64/stage3.spec" -sed -i -e 's/@TIMESTAMP@/latest/' -e '/^portage_confdir: /d' *.spec + +# Adjust to hash relevant for portage tree date, see https://gitweb.gentoo.org/proj/releng.git/log/ +wget https://gitweb.gentoo.org/proj/releng.git/snapshot/releng-0430f1f0ced5a3137f284ec426b7431be7d53085.tar.bz2 +tar xf releng-*.tar.bz2 +cd releng-*/ +sed -i -e 's:@TIMESTAMP@:now:g' -e "s:@REPO_DIR@:$PWD:g" releases/specs/amd64/*.spec +cd releases/specs/amd64 Build the stage3: -emerge catalyst -catalyst -f stage1.spec +emerge dev-util/catalyst app-arch/pixz +catalyst -s now +catalyst -f stage1.spec && catalyst -f stage2.spec && catalyst -f stage3.spec +rm -f /var/tmp/catalyst/builds/default/stage3-amd64-latest.tar -Clean up chroot: -umount -R proc sys dev etc/resolv.conf +Build the install CD (failed at time of writing, see https://bugs.gentoo.org/713946): +catalyst -f installcd-stage1.spec && catalyst -f installcd-stage2-minimal.spec diff --git a/gcc/notes/gentoo/gentoo_notes_lfs.txt b/gcc/notes/gentoo/gentoo_notes_lfs.txt deleted file mode 100644 index 1cbc2ad..0000000 --- a/gcc/notes/gentoo/gentoo_notes_lfs.txt +++ /dev/null @@ -1,116 +0,0 @@ -This is done in a chroot, from a 10.0 chapter 7 system. To do this on a live -system, you'll need a kernel, initscripts, and some way to connect to the -internet, such as iproute+dhcpcd. - -Make sure you bind-mount your host's /etc/resolv.conf to the chroot, such as: -touch $LFS/etc/resolv.conf -mount -v --bind /etc/resolv.conf $LFS/etc/resolv.conf -This will allow programs to resolve DNS names, which is necessary to download things. - -Also mount /dev/shm, in addition to the mounts in chapter 7.3: -mount -t tmpfs tmpfs $LFS/dev/shm - -Run the following chapters (avoid tests and docs): -- 8.9. Zlib-1.2.11 -- 8.10. Bzip2-1.0.8 -- 8.34. Bash-5.0 -- 8.47. Libffi-3.3 -- 8.48. OpenSSL-1.1.1g -- 8.49. Python-3.8.5 (!--with-system-expat --without-ensurepip) - -Symlink python3: -ln -sf python3 /usr/bin/python - -Install ca-certificates: -make -mkdir -p /usr/share/ca-certificates -make install -( cd /usr/share/ca-certificates - find . -name '*.crt' | LC_ALL=C sort | cut -b3- -) > /etc/ca-certificates.conf -mkdir -p /etc/ssl/certs -update-ca-certificates - -Install wget: -./configure --prefix=/usr --sysconfdir=/etc --with-ssl=openssl --with-libssl-prefix=/usr -make -make install - -Install portage (https://wiki.gentoo.org/wiki/Portage#Tarball): -python setup.py install -echo "portage:x:250:250:portage:/var/tmp/portage:/bin/false" >> /etc/passwd -echo "portage::250:portage" >> /etc/group - -Install repository (https://bouncer.gentoo.org/fetch/root/all/snapshots/, grab gentoo-*.tar.xz): -rm -rf /var/db/repos -mkdir -p /var/db/repos -mv gentoo-*/ /var/db/repos/gentoo - -Configure portage: -mkdir -p /etc/portage -ln -sf ../../var/db/repos/gentoo/profiles/default/linux/amd64/17.1/ /etc/portage/make.profile - -emerge -O1 sys-apps/baselayout -. /etc/profile -cat /var/lib/gentoo/news/news-gentoo.unread >> /var/lib/gentoo/news/news-gentoo.read -rm /var/lib/gentoo/news/news-gentoo.unread -touch /var/lib/gentoo/news/news-gentoo.unread -dispatch-conf - -Bootstrap multilib compiler: -emerge -O1 sys-apps/gentoo-functions sys-devel/binutils-config sys-devel/gcc-config app-portage/elt-patches sys-devel/binutils dev-libs/gmp dev-libs/mpfr dev-libs/mpc - -emerge -Of sys-devel/gcc -tar xf /var/cache/distfiles/gcc-*.tar.* && cd gcc-*/ && mkdir build && cd build -mkdir -p /tmp/gcc/include -touch /tmp/gcc/include/limits.h -../configure --prefix=/usr --with-local-prefix=/tmp/gcc --with-newlib --without-headers --disable-shared --disable-threads --disable-bootstrap --enable-multilib --enable-languages=c,c++ -make all-gcc all-target-libgcc -make install-gcc install-target-libgcc -rm -rf /tmp/gcc -cd ../.. && rm -rf gcc-*/ - -Remove use of gcc-multilib-bootstrap, since that defeats the point of building -everything from source, and we don't need it with this hack: -cd /var/db/repos/gentoo/sys-libs/glibc -cp -u glibc-2.31-r6.ebuild{,.orig} -sed -e '/gcc-multilib-bootstrap/d' glibc-2.31-r6.ebuild.orig > glibc-2.31-r6.ebuild -ebuild glibc-2.31-r6.ebuild manifest -PYTHON_COMPAT_OVERRIDE=python3 emerge -O1 sys-libs/glibc - -...in case of downgrade, reinstall any LFS programs that broke (using the -/tools toolchain?) until portage works again, and reinstall glibc, run -ldconfig and fix all warnings. -Alternatively, build LFS with an older glibc or unmask the same glibc version -that LFS has... - -Clean up glibc modifications: -cd /var/db/repos/gentoo/sys-libs/glibc -mv glibc-2.31-r6.ebuild.orig glibc-2.31-r6.ebuild -ebuild glibc-2.31-r6.ebuild manifest - -Not sure if this is necessary if not downgrading, but for good measure: -tar xf /var/cache/distfiles/gcc-*.tar.* && cd gcc-*/ && mkdir build && cd build -../libstdc++-v3/configure --prefix=/usr --enable-multilib -make -make install -cd ../.. && rm -rf gcc-*/ - -emerge -O1 sys-devel/gcc -PYTHON_COMPAT_OVERRIDE=python3 emerge -O1 sys-libs/glibc # might be necessary to merge _after_ pax-utils? - -Bootstrap rest of system: -emerge -O1 sys-libs/libseccomp app-misc/pax-utils # required by at least ncurses and sandbox -emerge -O1 sys-apps/sandbox -USE=-acl emerge -O1 sys-devel/gettext # circular dep, bundles libxml2, abusing this fact... -USE=-acl emerge -O1 net-misc/rsync # required by linux-headers -emerge -O1 dev-util/pkgconf # required by pax-utils -cd /var/db/repos/gentoo/scripts -./bootstrap.sh - -USE=-pam emerge -O1 sys-libs/libcap # circular dep -USE='-acl -xattr -pam' emerge -O1 sys-apps/shadow # required by acct-group -emerge -abe @system - -Unpollute the system by installing it somewhere else: -ROOT=/final emerge -K @system diff --git a/gcc/notes/gentoo/gentoo_notes_nogcc.txt b/gcc/notes/gentoo/gentoo_notes_nogcc.txt deleted file mode 100644 index bf2a1aa..0000000 --- a/gcc/notes/gentoo/gentoo_notes_nogcc.txt +++ /dev/null @@ -1,182 +0,0 @@ -Based on portage-3.0.8 and gentoo-20201029 - -The specifics of this document (software versions and whatnot) are subject to -change as gentoo evolves, but I hope the big lines of it won't change too -much. - -This guide starts off with a system built from build_cross.sh, built for -x86_64 with i686 multilib. -It might be possible to adapt both that script, and this guide for other -architectures, but this guide won't go into detail. - -You should be running a system with a x86_64 kernel (with i686 support). -Install the required sources (outlined in gentoo.wget-list) into /sources. - -To enter the bootstrap system as a chroot, use the following commands to set -up the filesystems and entering: -mkdir -p proc sys dev tmp -mount -t proc proc proc -mount -t sysfs sysfs sys -mount -t devtmpfs devtmpfs dev -mount -t devpts devpts dev/pts -mount -t tmpfs tmpfs dev/shm -mkdir -p etc -touch etc/resolv.conf -mount --bind /etc/resolv.conf etc/resolv.conf -./bootstrap/bin/chroot . /bootstrap/bin/env -i PATH=/bin:/sbin:/usr/bin:/usr/sbin:/bootstrap/bin:/bootstrap/sbin HOME=/root /bootstrap/bin/sh -l - -To install all the prerequisite tools, place the sources (listed in -gentoo.wget-list) under /sources, then run the gentoo_tools.sh script. - -Install ebuild repository: -tar xf gentoo-*.tar.xz -mkdir -p /var/db/repos/ -mv gentoo-*/ /var/db/repos/gentoo - -Configure portage: -echo "root:x:0:0:root:/root:/bin/bash" > /etc/passwd -echo "root:x:0:root" > /etc/group -echo "portage:x:250:250:portage:/var/tmp/portage:/bin/false" >> /etc/passwd -echo "portage::250:portage" >> /etc/group -mkdir -p /tmp /root -chown root.root /tmp /root -chmod 1777 /tmp -chmod 0700 /root -ln -sf ../../var/db/repos/gentoo/profiles/default/linux/amd64/17.1/ /etc/portage/make.profile -cat > /etc/portage/make.conf << 'EOF' -FEATURES=-pid-sandbox -ROOTPATH=/bootstrap/bin:/bootstrap/sbin -EOF - -Install some prerequisites: -emerge -O1 sys-apps/gentoo-functions # Used by elt-patches and a ton of other things -emerge -O1 app-portage/elt-patches # required by elibtoolize(libtool.eclass), used to install any library - -TODO: Doing this is *BAAAAD*, since we're linking the compiler and libraries -with a potentially incompatible version of glibc in /tools, and upgrading it -afterwards. Glibc should always be installed first into a new prefix! -I just can't be assed to discuss the manual upgrade of binutils+gcc and their -dependency tools. - -TODO: Consider installing sys-devel/gnuconfig for the config.sub and -config.guess scripts. - -Bootstrap GCC: -# Install linker at final location, -# so programs built with the new compiler can run... -mkdir -p /lib64 /lib -ln -sf /bootstrap/lib/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2 -ln -sf /bootstrap/lib32/ld-linux.so.2 /lib/ld-linux.so.2 -# Target compiler expects target limits.h to be available in target prefix... -mkdir -p /usr/include -ln -sf /bootstrap/include/limits.h /usr/include/limits.h -# GCC errors out at the first incompatible startfile in LIBRARY_PATH, -# so multilib paths need to be fixed to match the final compiler... -mkdir -p /usr/lib64 /usr/lib -ln -sf /bootstrap/lib/crti.o /bootstrap/lib/crtn.o /bootstrap/lib/Scrt1.o /usr/lib64/ -ln -sf /bootstrap/lib32/crti.o /bootstrap/lib32/crtn.o /bootstrap/lib32/Scrt1.o /usr/lib/ -# Reconfigure GCC to match the config of the final compiler as much as possible. -cat > /etc/portage/gcc.specs << 'EOF' -*multilib: -. !m64 !m32;64:../lib64 m64 !m32;32:../lib !m64 m32; - -*startfile_prefix_spec: -/usr/lib/ - -*link: -+ %{!shared:%{!static:-dynamic-linker %{m32:/lib/ld-linux.so.2;:/lib64/ld-linux-x86-64.so.2}}} - -*cpp: -+ -isystem /usr/include -EOF -cat > /etc/portage/bashrc << 'EOF' -export C_INCLUDE_PATH=/usr/include:/bootstrap/include -export CPLUS_INCLUDE_PATH=/usr/include:/bootstrap/include -export LIBRARY_PATH=/usr/lib64:/usr/lib:/bootstrap/lib:/bootstrap/lib32 -export LD_LIBRARY_PATH=/usr/lib64:/usr/lib:/bootstrap/lib:/bootstrap/lib32 -export CC='gcc -specs=/etc/portage/gcc.specs' -export CXX='g++ -specs=/etc/portage/gcc.specs' -EOF -emerge -O1 sys-libs/zlib dev-libs/gmp dev-libs/mpfr dev-libs/mpc -emerge -O1 sys-devel/binutils-config sys-devel/binutils -emerge -O1 sys-devel/gcc-config sys-devel/gcc -/usr/bin/gcc-config 1 # Not automatic unlike binutils-config - -Make portage forget about everything it's just installed, so it's all rebuilt -first thing when running bootstrap.sh/emerge later: -rm -rf /var/db/pkg - -Install initial glibc: -CC=gcc emerge -O1 sys-kernel/linux-headers -mkdir -p /usr/bin/ -ln -sf /bootstrap/bin/python3 /usr/bin/python3tmp -PYTHON_COMPAT_OVERRIDE=python3tmp emerge -O1 sys-libs/glibc -rm -f /usr/bin/python3tmp - -This compiler and dynamic linker will now pick up everything correctly under -/usr instead of /bootstrap: -rm -f /etc/portage/bashrc /etc/portage/gcc.specs - -Build the remainder of bootstrap utilities: -cd /var/db/repos/gentoo/scripts -rm -f /etc/profile.env -mkdir -p /var/run -USE=-nls ./bootstrap.sh - -You'll get tons of LD_PRELOAD libsandbox.so errors from programs still linked -against /bootstrap. This is fine to ignore, and will gradually disappear as -programs are rebuilt. - -It'd be nice to remove the bootstrap tools now, but among wget/openssl, gawk, -gzip, grep, and other tools, they're still required for some reason. - -From this point onward, you're pretty much on your own to beat portage into -performing an `emerge -e @system` and fixing any unspecified dependencies you -encounter along the way. This can be done in a whole number of ways, and will -differ on any given day, since this is painfully unsupported by gentoo devs. -Because the order in which you install everything can differ wildly, and -consequently affect the output of your build, it is advised to do a second -`emerge -e @system` afterwards, for sanity. Below I detail my most recent -procedure, which, I can't stress enough, may or may not work at the time -you're reading this. - -Fix circular dependencies: -USE=-filecaps emerge -O1 sys-libs/pam -USE='-acl -xattr' emerge -O1 sys-apps/shadow # required by acct-group/acct-user - -Verify there's no circular deps left, for sanity: -emerge -fe @system - -Build everything: -emerge -be @system - -Clean up bootstrap tools/configs: -rm -rf /bootstrap /sources -rm -f /etc/portage/make.conf - -Reinitialize environment: -env-update -exec bash -l - -Consider rebuilding everything again without /bootstrap, as surely a lot -errors popped up during the first emerge -be @system, can't be sure enough. - -To install everything into a clean root: -ROOT=/final emerge -K @system - -Prepare files for catalyst: -mkdir -p /var/tmp/catalyst/snapshots -wget -O gentoo-latest.tar.xz http://distfiles.gentoo.org/snapshots/gentoo-latest.tar.xz -mkdir -p /var/tmp/catalyst/builds/default -cd /var/tmp/catalyst/builds/default -tar -C /final -cf stage3-amd64-latest.tar . -xz -9v stage3-amd64-latest.tar -rm -rf /final -wget -O stage1.spec "https://gitweb.gentoo.org/proj/releng.git/plain/releases/specs/amd64/stage1.spec" -wget -O stage2.spec "https://gitweb.gentoo.org/proj/releng.git/plain/releases/specs/amd64/stage2.spec" -wget -O stage3.spec "https://gitweb.gentoo.org/proj/releng.git/plain/releases/specs/amd64/stage3.spec" -sed -i -e 's/@TIMESTAMP@/latest/' -e '/^portage_confdir: /d' *.spec - -Build the stage3: -emerge catalyst -catalyst -f stage1.spec