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-*- mode: org; coding: utf-8; -*-

#+TITLE: Hacking GNU Guix and Its Incredible Distro

Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
Copyright © 2015 Mathieu Lirzin <mthl@openmailbox.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.

* Contributing

See the manual for useful hacking informations, either by running

  info -f doc/guix.info "(guix) Contributing"

or by checking the [[http://www.gnu.org/software/guix/manual/guix.html#Contributing][web copy of the manual]].

* Commit Access

For frequent contributors, having write access to the repository is
convenient.  When you deem it necessary, feel free to ask for it on the
mailing list.  When you get commit access, please make sure to follow the
policy below (discussions of the policy can take place on guix-devel@gnu.org.)

Non-trivial patches should always be posted to guix-devel@gnu.org (trivial
patches include fixing typos, etc.)

For patches that just add a new package, and a simple one, it’s OK to commit,
if you’re confident (which means you successfully built it in a chroot setup,
and have done a reasonable copyright and license auditing.)  Likewise for
package upgrades, except upgrades that trigger a lot of rebuilds (for example,
upgrading GnuTLS or GLib.)  We have a mailing list for commit notifications
(guix-commits@gnu.org), so people can notice.  Before pushing your changes,
make sure to run ‘git pull --rebase’.

For anything else, please post to guix-devel@gnu.org and leave time for a
review, without committing anything.  If you didn’t receive any reply
after two weeks, and if you’re confident, it’s OK to commit.

That last part is subject to being adjusted, allowing individuals to commit
directly on non-controversial changes on parts they’re familiar with.
w: Add x86_64 support....This patch parameterizes previously hard-coded instances of i686-w64-mingw32, adding support for x86_64-w64-mingw32. * gnu/packages/mingw.scm (make-mingw-w64): New procedure. (mingw-w64-i686, mingw-w64-x86_64): New variables. (%mingw-triplet): Remove. (mingw-w64): Update to point to 'mingw-w64-i686'. * gnu/packages/cross-base.scm (cross-gcc): Use 'libc' keyword argument if specified, instead of treating it as a boolean. (native-libc): Return the correct mingw-w64 depending on machine specified in target. * gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add "x86_64-mingw". * gnu/build/cross-toolchain.scm (set-cross-path/mingw): Replace hardcoded 'i686-w64-mingw32' instances with 'target' keyword argument. (cross-gcc-build-phases): Update accordingly; use 'target-mingw?' implementation of target checking and add commentary. * gnu/ci.scm (%cross-targets): Add "x86_64-w64-mingw32". Carl Dong 2019-07-17Merge branch 'master' into core-updatesLudovic Courtès 2019-07-15gnu: guile-bootstrap: Use the new 'derivation' calling convention....* gnu/packages/bootstrap.scm (raw-build): In 'derivation' call, distinguish #:inputs from #:sources, passing a list of <derivation-input> as #:inputs. Ludovic Courtès 2019-06-14packages: Remove 'search-bootstrap-binary'....* gnu/packages.scm (%bootstrap-binaries-path, search-bootstrap-binary): Remove. * gnu/packages/bootstrap.scm (bootstrap-executable): Export. * guix/tests.scm (bootstrap-binary-file, search-bootstrap-binary): Export. * tests/derivations.scm: Remove (gnu packages) import. * tests/grafts.scm: Likewise. * tests/guix-daemon.sh: Likewise. Ludovic Courtès 2019-06-14tests: Make builds less expensive....The switch to the reduced bootstrap broke build time assumptions made by tests, notably the assumption that GNU-MAKE-BOOT0 was cheap to build. This commit adjusts this to make these tests cheaper. * gnu/packages/bootstrap.scm (%bootstrap-inputs-for-tests): New variable. * guix/tests.scm (gnu-make-for-tests): New variable. * tests/guix-environment.sh: Use GNU-MAKE-FOR-TESTS instead of GNU-MAKE-BOOT0. Remove test with FINDUTILS-BOOT0. * tests/guix-package-net.sh (boot_make): Use GNU-MAKE-FOR-TESTS. * tests/packages.scm ("GNU Make, bootstrap"): Likewise. * tests/profiles.scm ("profile-derivation relative symlinks, two entries"): Likewise. * tests/union.scm (%bootstrap-inputs): Remove. ("union-build"): Use %BOOTSTRAP-INPUTS-FOR-TESTS instead of %BOOTSTRAP-INPUTS. Ludovic Courtès 2019-06-14gnu: bootstrap: Download the bootstrap bash, mkdir, tar, and xz binaries....* gnu/packages/bootstrap.scm (%bootstrap-executables): New variable. (bootstrap-executable-url, bootstrap-executable): New procedure. (raw-build)[->store]: Use 'run-with-store' and 'origin->derivation'. Add calls to 'derivation->output-path', and remove the list of references passed to 'add-text-to-store' for BUILDER. Augment the list of #:inputs passed to 'derivation'. (package-from-tarball): Use 'bootstrap-executable' instead of 'search-bootstrap-binary'. (%bootstrap-glibc, %bootstrap-gcc, %bootstrap-mescc-tools) (%bootstrap-mes): Likewise. * guix/scripts/environment.scm (environment-bash): Use 'bootstrap-executable' instead of 'search-bootstrap-binary'. (guix-environment): Adjust CONTAINER? case accordingly. * po/guix/POTFILES.in: Add gnu/packages/bootstrap.scm. Ludovic Courtès 2019-06-13Merge branch 'master' into core-updatesLudovic Courtès 2019-05-29gnu: Add basic support for riscv64-linux-gnu targets....* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add "riscv64-linux". * gnu/packages/linux.scm (system->linux-architecture): Add "riscv" prefix. Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org> Carl Dong 2019-02-06Merge branch 'master' into core-updatesRicardo Wurmus 2019-01-07gnu: Add dummy linker for arm-elf....* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add case for arm-elf. Danny Milosavljevic 2018-12-25gnu: bootstrap: Add missing 'supported-systems', remove extra 'match'....Previously evaluation would fail for armhf, aarch64, and mips64el. * gnu/packages/bootstrap.scm (%bootstrap-mescc-tools)[supported-systems]: New field. (%bootstrap-mes)[supported-systems]: New field. [inputs]: Remove 'match' form on %current-system, which would fail on non-Intel platforms. Ludovic Courtès 2018-12-20bootstrap: srfi-43: Remove....* gnu/packages/bootstrap.scm (%bootstrap-inputs): Remove srfi-43. (srfi-43): Remove. Jan Nieuwenhuizen 2018-12-20bootstrap: bootstrap-mes: Update....Built with ef809e3ac036eccc5f9c9edd8fb661d14ae15f2f bootstrap: Add mes-boot0; decouple mes-boot from Mes. * gnu/packages/bootstrap.scm (%bootstrap-mes): Update. Jan Nieuwenhuizen 2018-12-16bootstrap: bootstrap-mes: Update....Built with 464baaf7359a5c0192ade7e435f7384a335679e6 gnu: mes: Update to a155a0a9a2d941b15c1b98e5cce787de40a8dacd. * gnu/packages/bootstrap.scm (%bootstrap-mes): Update. Jan Nieuwenhuizen 2018-12-11bootstrap: Switch to official bootstrap urls....Built with 4ae7dc7b9af64794081b1913740b97acd89c91bc gnu: Remove duplicate linux-libre-headers package from bootstrap inputs. * gnu/packages/bootstrap.scm (%bootstrap-linux-libre-headers): Switch to official bootstrap urls. (%bootstrap-mescc-tools): Likewise. (%bootstrap-mes): Likewise. Jan Nieuwenhuizen 2018-11-18bootstrap: Replace %mescc-tools-seed with %bootstrap-mescc-tools....* gnu/packages/bootstrap.scm (%mescc-tools-seed): Remove. (%bootstrap-inputs): Replace %mescc-tools-seed with %bootstrap-mescc-tools. * gnu/packages/commencement.scm (mes-boot): Likewise. (tcc-boot0): Likewise. (mescc-tools-boot): Remove. Jan Nieuwenhuizen 2018-11-18bootstrap: Update %bootstrap-mes....Built with b00a95be28b7c663cf8f82ef03b385d32ca51ae9 bootstrap: Add %bootstrap-mescc-tools. * gnu/packages/bootstrap.scm (%bootstrap-mes): Update. Jan Nieuwenhuizen 2018-11-18bootstrap: Add %bootstrap-mescc-tools....Built with a647da364ac494b409114a52e48dc0dab03cbf4f bootstrap: Add %mes-minimal. * gnu/packages/bootstrap.scm (%bootstrap-mescc-tools): New variable. Jan Nieuwenhuizen 2018-10-23bootstrap: Build with %bootstrap-mes....* gnu/packages/bootstrap.scm (%tinycc-seed): Remove. (%bootstrap-inputs): Use %bootstrap-mes instead of %mes-seed and %tinycc-seed. * gnu/packages/commencement.scm (mescc-tools-boot, mes-boot, tcc-boot0): Build with %bootstrap-mes instead of %mes-seed and %tinycc-seed. Jan Nieuwenhuizen 2018-10-23bootstrap: Add %bootstrap-mes....Built with 668ffe1e4e67e22268c9565993c6d9d7a86ae72a bootstrap: Move use-modules to top of builder. Todo: host these on ftp.gnu.org/pub/guix/... * gnu/packages/bootstrap.scm (%bootstrap-mes): New variable. Jan Nieuwenhuizen 2018-10-21bootstrap: Move use-modules to top of builder....* gnu/packages/bootstrap.scm (package-from-tarball): Move use-modules to top of builder. (%bootstrap-glibc): Likewise. (%bootstrap-gcc): Likewise. Jan Nieuwenhuizen 2018-10-07gnu: %tinycc-seed: Update for mes 0.18....* gnu/packages/bootstrap.scm (%tinycc-seed): Update for mes 0.18. Jan Nieuwenhuizen 2018-10-07gnu: %mes-seed: Update to 0.18....* gnu/packages/bootstrap.scm (%mes-seed): Update to 0.18. Jan Nieuwenhuizen 2018-10-07gnu: %mescc-tools-seed: Update to 0.5.2....* gnu/packages/bootstrap.scm (%mescc-tools-seed): Update to 0.5.2. Jan Nieuwenhuizen 2018-09-23bootstrap: Reduced Binary Seed bootstrap for x86_64 too....* gnu/packages/bootstrap.scm (%bootstrap-inputs): Replace %bootstrap-libc, %bootstrap-gcc, and %bootstrap-binutils with Mes seeds for x86_64 too. * gnu/packages/commencement.scm (tcc-boot0, tcc-boot, gcc-mesboot1, gcc-mesboot1-wrapper, m4-mesboot, %bootstrap-inputs+toolchain, libstdc++-boot0, gcc-boot0, bison-boot0): For x86_64-linux, use i686-linux glibc-dynamic-linker and Mes bootstrap settings. (gcc-boot0-intermediate-wrapped): New variable, extract from static-bash-for-glibc. (static-bash-for-glibc): Use it. (gcc-final): Copy gmp&co phase from gcc-boot0, inherit other arguments from gcc; avoid i686-linux impersonation from gcc-boot0. * doc/guix.texi (Bootstrapping, Reduced Binary Seed Bootstrap): Note x86_64-linux also as Reduced Binary Seed bootstrap. Jan Nieuwenhuizen 2018-09-23bootstrap: Replace GNU toolchain seeds with Mes for i686-linux....* gnu/packages/bootstrap.scm (%bootstrap-inputs)[i686-linux]: Replace %bootstrap-gcc, %bootstrap-binutils, %bootstrap-glibc with %mescc-tools-seed, %mes-seed, %srfi-43 and %tinycc-seed. * gnu/packages/make-bootstrap.scm (%bootstrap-tarballs)[i686-linux]: Replace gcc-tarball, binutils-tarball, glibc-tarball with %mescc-tools-seed, %mes-seed, %srfi-43 and %tinycc-seed. * gnu/packages/commencement.scm (%bootstrap-inputs+toolchain)[i686-linux]: Add glibc-mesboot, binutils-mesboot, gcc-wrapper, gcc-mesboot. (file-boot0)[i686-linux]: Disable strip-binaries?, validate-runpath?. (libstdc++-boot0)[i686-linux]: Add libtool install workarourd: copy libstdc++.so.0.0.20 from gcc-mesboot. (gcc-boot0)[i686-linux]: Add libtool install workaround: touch libcc1.so.0.0.0, libcc1plugin.so.0.0.0. (perl-boot0): Disable validate-runpath?. (bison-boot0)[i686-linux]: Do not use ranlib -D. Jan Nieuwenhuizen 2018-09-23bootstrap: Add Mes bootstrap seeds....* gnu/packages/bootstrap.scm (%mescc-tools-seed, %mes-seed, %tinycc-seed, %srfi-43): New variable. Jan Nieuwenhuizen 2018-09-23guix: package-from-tarball: Allow PROGRAM-TO-TEST to be #f....* gnu/packages/bootstrap.scm (package-from-tarball): Allow PROGRAM-TO-TEST to be #f. Jan Nieuwenhuizen 2018-09-22bootstrap: %bootstrap-inputs: Wrap input lists into thunks....* gnu/packages/bootstrap.scm (%bootstrap-inputs): Change to procedure. Update users; prepares for Mes bootstrap. * gnu/packages/commencement.scm (%boot0-inputs, %boot1-inputs, %boot2-inputs, %boot3-inputs, %boot4-inputs, %boot5-inputs, %boot-6-inputs): Change to procedure. Update users. * tests/builders.scm (%bootstrap-inputs, %bootstrap-search-paths): Make a procedure, filter on package?. Update users. Jan Nieuwenhuizen