[ADD] the packages the chroot named, and grep builds

Arch Linux runs on s390x. Installing the repository into a rootfs and
entering it:

  bash      : 5.3.15(1)-release
  uname -m  : s390x
  glibc     : ldd (GNU libc) 2.44

Two things the test taught that sixty-eight successful builds had not.

bash would not start at all: "chroot: No such file or directory" on a
binary that was plainly there. That is the dynamic linker being absent
-- bash asks for /lib/ld64.so.1, and that path exists only through the
usr-merge symlinks the filesystem package installs. Without it an Arch
rootfs starts nothing.

coreutils then failed on libselinux.so.1. Not a port defect: a genuine
dependency that was never built. pacman had in fact listed all of them
before I passed --nodeps -- brotli, libxml2, pam, systemd,
pacman-mirrorlist, libmakepkg-dropins. The resolver works; the
repository was incomplete.

They are added to stage 1 by name, with the reason recorded. A build
that succeeds proves the compiler accepted the source. Only running the
binary proves the package.

--- FR ---

Arch Linux tourne sur s390x. Le depot installe dans un rootfs, puis on
y entre :

  bash      : 5.3.15(1)-release
  uname -m  : s390x
  glibc     : ldd (GNU libc) 2.44

Deux enseignements que soixante-huit compilations reussies n avaient
pas donnes.

bash ne demarrait pas du tout : « chroot: No such file or directory »
sur un binaire pourtant present. C est l interpreteur dynamique qui
manque -- bash reclame /lib/ld64.so.1, chemin qui n existe que par les
liens usr-merge du paquet filesystem. Sans lui, un rootfs Arch ne lance
rien.

coreutils echouait ensuite sur libselinux.so.1. Non pas un defaut du
portage : une dependance reelle jamais batie. pacman les avait
d ailleurs toutes nommees avant que je passe --nodeps -- brotli,
libxml2, pam, systemd, pacman-mirrorlist, libmakepkg-dropins. Le
resolveur fonctionne ; c est le depot qui etait incomplet.

Elles rejoignent l etage 1, avec la raison consignee. Une compilation
reussie prouve que le compilateur a accepte la source. Seul le binaire
qui s execute prouve le paquet.

Assisted-by: Claude Opus 5

scripts/build-stage1.sh

@@ -46,6 +46,14 @@ STAGE1_PACKAGES=(
     # System skeleton: without these a rootfs has no /etc/passwd, no zones,
     # no /etc/services -- and nothing boots to a usable shell.
     filesystem iana-etc tzdata licenses shadow util-linux
+    # Named by the chroot test, not guessed. Installing the repo into a
+    # rootfs and entering it turned "does it work?" into a precise list:
+    #   - coreutils links against libselinux, and would not start without it
+    #   - libcap needs pam; openssl needs brotli; libarchive needs libxml2
+    #   - pacman itself asks for systemd, pacman-mirrorlist and
+    #     libmakepkg-dropins
+    # Sixty-eight successful builds proved none of this. One chroot did.
+    libselinux pam brotli libxml2 systemd pacman-mirrorlist libmakepkg-dropins
     # And finally the package manager itself, built as an Arch package.
     pacman
 )