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| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | TODO | 113 |
2 files changed, 114 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index 8b9c3ebaf5..22e18c0acb 100644 --- a/Makefile.am +++ b/Makefile.am @@ -164,6 +164,7 @@ AM_SH_LOG_FLAGS = -x -e EXTRA_DIST = \ HACKING \ + TODO \ .dir-locals.el \ build-aux/download.scm \ srfi/srfi-64.scm \ @@ -0,0 +1,113 @@ +-*- mode: org; coding: utf-8; -*- + +Copyright © 2012 Ludovic Courtès <ludo@gnu.org> + + Copying and distribution of this file, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. + +* integrate needed Nix code + +Guix uses Nix’s daemon (‘nix-worker’, later renamed to ‘nix-daemon’) to +actually perform builds, scheduling, substitution of pre-built binaries, +and GC-related tasks. The daemon mainly uses ‘libstore’ from Nix. +Integrating it in Guix itself will make Guix self-contained, thereby +simplifying our users’ lives. + +* infrastructure + +** have a Hydra instance build Guix packages + +[[http://nixos.org/hydra/][Hydra]] is a continuous integration tool based on Nix. It now has +[[https://github.com/NixOS/hydra/commit/f27ae1d5663680400cb99cfb898970f34d8d21be][Guile/Guix support]], which allows “build recipes” written in Guile using +Guix to be used directly on Hydra. + +For a start, we may use the instance at hydra.nixos.org, generously +provided by TU Delft. However, in the future, we may want to setup our +own instance at gnu.org. + +* extend <origin> +** add OpenPGP signatures: + + (origin + (method http-fetch) + (uri "http://.../foo.tgz") + (signature-uri (string-append uri ".sig")) + (signer-openpgp-fingerprint "...")) + +** allow <origin> to be a derivation/package or a file + +* extend <package> + +** add support for ‘search-paths’ + +This should be passed to the build system, to extend package-specific +search path environment variables–like ‘GUILE_LOAD_PATH’, ‘PERL5LIB’, +etc. + +** add a ‘user-environment-hook’ + +This should specify builder code to be run when building a user +environment with ‘guix-package’. For instance, Texinfo’s hook would +create a new ‘dir’. + +* support cross-compilation + +Implement ‘package-cross-derivation’, and add the corresponding code in +‘gnu-build-system’. Then, actually bootstrap a cross-compilation +environment–e.g., a cross-GNU environment. + +* gnu-build-system: produce a ‘debug’ derivation + +Set a .gnu_debuglink in the main derivations to point to the sibling +file name (only the basename, to not retain a dependency on the ‘debug’ +derivation.) + +For /nix/store/xyz-foobar/bin/foo, we should have +/nix/store/abc-foobar-debug/lib/nix/store/xyz-foobar/bin/foo.debug (info +"(gdb) Separate Debug Files"). + +Users should have a default GDB setting with ~/.guix-profile/lib/debug +as their ‘debug-file-directory’. + +* build-expression->derivation: define `%system' in the builder + +Would allow build expressions to have system-dependent code, like +`glibc-dynamic-linker'. + +* add ‘allowed-references’ in <package> + +[[file:~/src/nix/src/libstore/build.cc::if%20(drv.env.find("allowedReferences")%20!%3D%20drv.env.end())%20{][See how Nix implements that internally]]. + + +* union + +Support sophisticated collision handling when building a union: check +whether the colliding files are identical, honor per-package priorities, +etc. + +* guix-package + +** add ‘--roll-back’ +** add ‘--list-generations’, and ‘--delete-generations’ +** add ‘--upgrade’ +** add ‘--list-installed’ and ‘--list-available’ +** add ‘--search’ + +* guix build utils +** Add equivalent to "rm -rf" +** Add equivalent to Nixpkgs's ‘wrapProgram’ +** Add equivalent to chrpath, possibly using [[https://gitorious.org/guile-dlhacks/guile-dlhacks/][guile-dlhacks]] + +* distro +** choose a name! (Jinn?) +** port to new GNU/Linux platforms, notably ‘mipsel64-linux’ +** port to GNU/Hurd, aka. ‘i686-gnu’ + +Problems include that current glibc releases do not build on GNU/Hurd. +In addition, there haven’t been stable releases of GNU Mach, MiG, and +Hurd, which would be a pre-condition. + +** make a bootable GNU/Linux-Libre distro, with OS configuration EDSL + +Similar in spirit to /etc/nixos/configuration.nix. |