Am Mittwoch, dem 06.04.2022 um 19:30 -0400 schrieb Olivier Dion: > * gnu/packages/engineering.scm (librseq): New variable. > --- >  gnu/packages/engineering.scm | 25 +++++++++++++++++++++++++ >  1 file changed, 25 insertions(+) > > diff --git a/gnu/packages/engineering.scm > b/gnu/packages/engineering.scm > index cb721ddd2e..9b0a917f8e 100644 > --- a/gnu/packages/engineering.scm > +++ b/gnu/packages/engineering.scm > @@ -1148,6 +1148,31 @@ (define-public kicad-templates >      (description "This package contains the official KiCad project > and >  worksheet templates."))) >   > +(define-public librseq > +  (let ((commit "170f840b498e1aff068b90188727a656111bfc2f") > +        (hash > "0rdx59y8y9x8cfmmx5gl66gibkzpk3kw5lrrqhrxan8zr37a055y")) Missing revision. Also specify why a non-release commit is used. > +    (package > +      (name "librseq") > +      (version "0.0.0") Use git-version. > +      (source (origin > +                (method git-fetch) > +                (uri (git-reference > +                      (url "https://github.com/compudj/librseq.git") > +                      (commit commit))) > +                (file-name (git-file-name name version)) > +                (sha256 (base32 hash)))) Type out hash. > +      (build-system gnu-build-system) > +      (native-inputs (list autoconf automake libtool)) > +      (propagated-inputs (list linux-libre-headers)) > +      (home-page "https://github.com/compudj/librseq") > +      (synopsis "Userspace library for restartable sequences") > +      (description "A restartable sequence is a critical region > delimited by a > +program where if the execution its preempted or interrupted, the > kernel will > +divert the program control flow to a custom handler.  They are a > good > +alternative to atomic operations for critical fast paths and are > usually used > +in the context of per-cpu data.") > +      (license (list license:lgpl2.1 license:expat))))) > + Cheers