Marius Bakke transcribed 2.7K bytes: > Ludovic Courtès <l...@gnu.org> writes: > > > Hello Guix! > > > > guix-comm...@gnu.org skribis: > > > >> mbakke pushed a commit to branch staging > >> in repository guix. > >> > >> commit ec47c07d0690653be35a75b346f3c3548a3e71d4 > >> Author: Marius Bakke <mba...@fastmail.com> > >> Date: Wed Oct 24 15:26:10 2018 +0200 > >> > >> gnu: librsvg: Update to 2.44.12. > >> > >> * gnu/packages/gnome.scm (librsvg): Update to 2.44.12. > >> [arguments]: Replace patching phases with custom variants. Delete > >> five new > >> tests. > >> [native-inputs]: Add RUST-1.27 and RUST-1.27:CARGO. > > > > This change was bound to happen since upstream switched to Rust, but > > it creates a few issues. > > > > First, that adds Rust to the base graphical applications, which > > significantly increases build times and size: > > > > --8<---------------cut here---------------start------------->8--- > > $ guix size librsvg | tail -1 > > total: 207.2 MiB > > $ guix size librsvg rust | tail -1 > > total: 1052.9 MiB > > --8<---------------cut here---------------end--------------->8--- > > > > Perhaps the size issue can be somewhat mitigated by adding a “lib” > > output to the Rust package, but even then it would probably still be an > > issue. > > Librsvg does not depend on Rust at run-time, so the closure size should > be similar. However I notice it has a 129MiB (!!) librsvg-2.a, which > should be removed. I will do that later. > > > Also, is the new librsvg API-compatible with the old one? IIUC it still > > provides a C API, right? Does guile-rsvg still work, for example? > > I have not noticed any regressions since the switch. The guile-rsvg > tests pass, at least! > > > What do other distros do? Debian kept ‘librsvg-c’ around, primarily so > > that architectures where Rust isn’t supported yet could still work: > > <https://lwn.net/Articles/771355/>. > > I wanted to ask about this: is Rust supported on all the platforms we > support at the moment?
x86_64-unknown-linux, i686-unknown-linux, aarch64-unknow-linux, armv7-unknown-linux, did I miss anything? https://forge.rust-lang.org/platform-support.html > While depending on Rust for GTK/GNOME is unfortunate, I do think it's > inevitable. > > By the way, the next version of librsvg will require Rust 1.33 or > thereabouts.