Final touchups

gentoo-2024.8/gentoo.txt

@@ -14,7 +14,7 @@ cd live-bootstrap
 umount target/dev/shm  # double mounted?
 umount target/dev/shm target/sys target/proc target/tmp
 
-# Optional: back up the system
+# Optional: Back up the system
 env -i chroot target tar --exclude='/external' --sort=name -cf /target.tar /
 env -i chroot target bzip2 -9v /target.tar
 mv target/external/repo .
@@ -187,7 +187,7 @@ cat > /cross/etc/portage/env/sys-devel/gcc << 'EOF'
 EXTRA_ECONF='--with-sysroot=$EPREFIX/usr/$CTARGET --enable-threads'
 EOF
 
-# TODO: Build sys-libs/glibc in /gentoo instead, to avoid extra rebuilding
+# TODO: Build sys-libs/glibc in /gentoo instead, to avoid extra rebuilding later
 PORTAGE_CONFIGROOT=/cross EPREFIX=/cross emerge -O1 sys-devel/binutils
 PORTAGE_CONFIGROOT=/cross EPREFIX=/cross USE='headers-only' emerge -O1 sys-kernel/linux-headers
 PORTAGE_CONFIGROOT=/cross EPREFIX=/cross USE='headers-only -multilib' emerge -O1 sys-libs/glibc 
@@ -228,9 +228,9 @@ FEATURES="-news -sandbox -usersandbox -pid-sandbox -parallel-fetch"
 BINPKG_COMPRESS="bzip2"
 CBUILD="i386-unknown-linux-musl"
 CHOST="x86_64-bootstrap-linux-gnu"
-CFLAGS_x86="$CFLAGS_x86 -msse"  # bug 937637
-USE="-* build $BOOTSTRAP_USE -zstd"
+CFLAGS_x86="$CFLAGS_x86 -msse"  # https://bugs.gentoo.org/937637
 CONFIG_SITE="$PORTAGE_CONFIGROOT/etc/portage/config.site"
+USE="-* build $BOOTSTRAP_USE -zstd"
 EOF
 cat > /gentoo.cfg/etc/portage/config.site << 'EOF'
 if [ "${CBUILD:-${CHOST}}" != "${CHOST}" ]; then
@@ -293,10 +293,16 @@ ln -sf ../../var/db/repos/gentoo/profiles/default/linux/amd64/23.0 /gentoo/etc/p
 echo 'nameserver 1.1.1.1' > /gentoo/etc/resolv.conf
 echo 'C.UTF8 UTF-8' > /gentoo/etc/locale.gen
 
-# Copy ::gentoo repo
+# Optional: Back up the system
+env -i chroot /gentoo tar --sort=name -cf /gentoo.tar /
+env -i chroot /gentoo bzip2 -9v /gentoo.tar
+mv /gentoo/gentoo.tar.bz2 /
+
+# Copy ::gentoo repo and distfiles
 rsync -aP /var/db/repos/ /gentoo/var/db/repos
+rsync -aP /var/cache/distfiles/ /gentoo/var/cache/distfiles
 
-# This is the point where you have to move from the x86 system to the x86_64 system.
+# This is the point where you have to move from the x86 system to an x86_64 system.
 # Make sure that you are running a x86_64 kernel before chrooting, or booting it.
 
 cd /gentoo
@@ -321,7 +327,7 @@ pkgs_build="$(python3 -c 'import portage
 print(*portage.util.stack_lists([portage.util.grabfile_package("%s/packages.build" % x) for x in portage.settings.profiles], incremental=1))')"
 USE="-* build $(portageq envvar BOOTSTRAP_USE)" CHOST="$(gcc -dumpmachine)" \
     emerge -1Dn $pkgs_build
-emerge -c
+emerge -c  # Make sure the dependency tree is consistent
 
 # Change CHOST and build OpenMP support (stage2-ish)
 emerge -1 sys-devel/binutils
@@ -332,4 +338,5 @@ emerge -1 dev-lang/perl  # https://bugs.gentoo.org/937918
 
 # Rebuild everything (stage3)
 USE='-filecaps -http2' emerge -e @system
+emerge -DN @system
 emerge -c