Subject: [bug#64137] [PATCH v2 2/8] gnu: Add tsl-hopscotch-map.

From: Liliana Marie Prikler <[email-masked]>
Date: Thu, 22 Jun 2023 06:18:20 +0200

Am Sonntag, dem 18.06.2023 um 20:53 +0000 schrieb David Elsing:
> * gnu/packages/cpp.scm (tsl-hopscotch-map): New variable.
> ---
>  gnu/packages/cpp.scm | 35 +++++++++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
> index 5a6298fc4d..7878aa2a6d 100644
> --- a/gnu/packages/cpp.scm
> +++ b/gnu/packages/cpp.scm
> @@ -2588,3 +2588,38 @@ (define-public mpark-variant
>       "MPark.Variant provides the C++17 std::variant for
> C++11/14/17.  It is
>  based on the implementation of std::variant in libc++.")
>      (license license:boost1.0)))
> +
> +(define-public tsl-hopscotch-map
> +  (package
> +    (name "tsl-hopscotch-map")
> +    (version "2.3.0")
> +    (source (origin
> +              (method git-fetch)
> +              (uri (git-reference
> +                    (url "https://github.com/Tessil/hopscotch-map")
> +                    (commit (string-append "v" version))))
> +              (file-name (git-file-name name version))
> +              (sha256
> +               (base32
> +               
> "012pw37w000pdxdvps0wsqrw6597cm6i6kr5rpl303qmiwqicb2p"))))
> +    (build-system cmake-build-system)
> +    (arguments
> +     (list
> +      #:phases
> +      #~(modify-phases %standard-phases
> +          (add-after 'unpack 'patch-cmake-test
> +            (lambda _
> +              (let ((file (open-file "CMakeLists.txt" "a")))
> +                (display
> "\nenable_testing()\nadd_subdirectory(tests)" file)
> +                (close-port file))
> +              (substitute* "tests/CMakeLists.txt"
> +                (("set\\(Boost_USE_STATIC_LIBS.*") "")
> +                (("add_subdirectory\\(\\.\\..*")
> +                 "add_test(tsl_hopscotch_map_tests
> tsl_hopscotch_map_tests)\n")))))))
> +    (native-inputs (list boost))
> +    (home-page "https://github.com/Tessil/hopscotch-map")
> +    (synopsis "C++ implementation of a hash map and hash set using
> hopscotch hashing")
Should be shortened to fit on a single line.
> +    (description "This package provides a C++ implementation of a
> hash map and
> +a hash set using open-addressing and hopscotch hashing to resolve
> +collisions.")
The description ought to provide a little more information than the
synopsis :)
Same basically holds for packages 3..5, so I won't repeat myself.

Cheers