Guix, The 'core-updates' branch is ready for testing! This is a very early stage, so many substitutes are missing. Consider yourself warned ;-)
I have compiled a summary of the changes below. The package updates are too numerous to list here; try `git shortlog -n master..core-updates` for the scoop. We are still waiting for armhf to catch up on the CI, as well as <https://issues.guix.info/issue/36535> before starting the full rebuild. I will send another email when that happens, along with a status update. * Build system changes ** 'python-build-system' runs tests after installing the package, instead of in between the 'build' and 'install' phases, to improve reproducibility. ** 'python-build-system' does not wrap already-wrapped executables. ** 'python-build-system' has a (python-version ...) procedure that returns the major+minor version of a given python package. ** 'meson-build-system' produces optimized binaries with debugging symbols by default, similar to 'cmake-build-system'. ** 'meson-build-system' no longer attempts to run Autotools bootstrap scripts. ** 'gnu-build-system' (and those inheriting from it) has deterministic behavior in some corner cases (<https://issues.guix.info/35387). ** gnu-build-system copies license files to all outputs instead of just "out". It now also works for out-of-source builds. ** (guix build utils) has a new 'wrap-script' procedure that replaces the shebang in scripts in a language-aware manner, as an alternative to the shell wrapper created by 'wrap-program'. ** (invoke ...) from the same module now reports errors in a human-friendly way, instead displaying a long stack trace. ** There is also a new (invoke/quiet ...) that swallows program output, unless it fails. The return value is unspecified. * Toolchain changes ** On i686 and x86_64, the "binary seeds" at the root of the dependency graph no longer includes GCC, glibc, and binutils. Instead they are built from source using a new GNU Mes based toolchain, reducing the set of trusted bootstrap binaries from ~250MiB to ~130MiB. ** GCC 7 became the default compiler. Consequently, C_INCLUDE_PATH and CPLUS_INCLUDE_PATH are no longer set in the build environment. Packages that rely on those variables or their CROSS_ counterparts will need to be adjusted to use {CROSS_,}CPATH instead. ** GNU/Hurd no longer uses a special glibc variant. ** Guile was updated to 2.2.6, and libgc to 7.6.12. ** Linux-Libre headers was updated to 4.19.57. ** Glibc was updated to 2.29. ** Binutils was updated to 2.32. ** coreutils was updated to 8.31. ** Bash was updated to 5.0.7. ** Grep 3.3, Gawk 5.0.1, Gettext 0.20.1, diffutils 3.7, Bison 3.4.1, ... Other noteworthy changes: ** GNOME was updated to 3.30. ** OpenSSL 1.1.1 is the default 'openssl' package. ** Many packages were migrated to use Python 3 instead of Python 2. ** cURL and GNU SASL use MIT Kerberos instead of GNU Security Services. ** Python 2 builds reproducibly. ** Python (2 & 3) no longer uses a bundled copy of Expat. ** CMake was updated 3.14.5. ** CMake comes with documentation, too. ** Perl was updated to 5.30.0. ** Python was updated to 3.7.4. ** Boost was updated to 1.70.0. ** SQLite was updated to 3.28.0. ** Pytest was updated to 4.4.2.
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