No description
Mathieu Benoit
bcc6d63bed
package_gcc() reached its very last step and stopped on one file: mv: cannot stat 'usr/lib/libgfortran.spec': No such file or directory The file exists, in usr/lib64/libgfortran.spec. lib64 is GCC's default MULTILIB_OSDIRNAMES for 64-bit Z, while Arch puts everything in usr/lib. So this is not one stray path: the whole package layout differs, and every _pick naming usr/lib would miss the same way. The trees are merged before any _pick runs, which leaves the upstream package definitions working unchanged rather than rewriting each path one at a time -- and keeps working if Arch adds a _pick later. curl now builds, with HTTP/3 disabled and patchelf on the host. --- FR --- package_gcc() atteignait sa toute derniere etape et s arretait sur un seul fichier : mv: cannot stat 'usr/lib/libgfortran.spec': No such file or directory Le fichier existe, dans usr/lib64/libgfortran.spec. lib64 est le MULTILIB_OSDIRNAMES par defaut de GCC pour Z en 64 bits, quand Arch place tout dans usr/lib. Ce n est donc pas un chemin isole : toute la disposition du paquet differe, et chaque _pick nommant usr/lib echouerait de la meme facon. Les arbres sont fusionnes avant le premier _pick, ce qui laisse les definitions amont fonctionner sans retouche plutot que de reecrire chaque chemin un a un -- et continue de tenir si Arch ajoute un _pick plus tard. curl se construit desormais, HTTP/3 desactive et patchelf pose sur l hote. Assisted-by: Claude Opus 5 |
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| .github/workflows | ||
| arch-kernel | ||
| boot | ||
| patches | ||
| scripts | ||
| .env.example | ||
| .gitignore | ||
| CODEOWNERS | ||
| Containerfile | ||
| LICENSE | ||
| Makefile | ||
| README.md | ||
| TODO.md | ||
Arch Linux s390x
A port of Arch Linux to IBM s390x mainframe architecture with systemd support.
Boots a full Arch Linux system on IBM mainframes (or QEMU s390x emulation) using a hybrid build: cross-compilation for the kernel, native s390x compilation on z/VM for userspace.
Quick Start
make container # build dev container (first time)
cp .env.example .env # configure z/VM access
make all # build kernel + initramfs + systemd
make test-systemd # boot it
What Works
- Arch Linux kernel 6.18.6-arch1 with Arch patches, cross-compiled
- Initramfs via modified mkinitcpio
- Static busybox built natively on z/VM, 2.3MB
- Root filesystem with ext4, switch_root to real rootfs
- Systemd as PID 1
Pacman, bash, and GNU coreutils are not yet ported.
Build System
The build uses two tiers:
Cross-compilation (x86_64 host): Kernel is built in a Fedora 43 container with s390x-linux-gnu-gcc. Initramfs is generated with a patched mkinitcpio that handles cross-architecture binary injection.
Native compilation (s390x z/VM): Busybox and systemd must be built on real s390x hardware. The z/VM system runs RHEL 9.6 with GCC 11.5.0. Scripts handle SSH deployment and retrieval automatically via .env configuration.