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default.nix
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default.nix
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{lib, stdenv, fetchurl}:
stdenv.mkDerivation rec {
pname = "gperf";
version = "3.1";
src = fetchurl {
url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
sha256 = "1qispg6i508rq8pkajh26cznwimbnj06wq9sd85vg95v8nwld1aq";
};
patches = [
# Clang 16 defaults to C++17, which does not allow `register` as a storage class specifier.
./gperf-c++17-register-fix.patch
];
enableParallelBuilding = true;
meta = {
description = "Perfect hash function generator";
longDescription = ''
GNU gperf is a perfect hash function generator. For a given
list of strings, it produces a hash function and hash table, in
form of C or C++ code, for looking up a value depending on the
input string. The hash function is perfect, which means that
the hash table has no collisions, and the hash table lookup
needs a single string comparison only.
GNU gperf is highly customizable. There are options for
generating C or C++ code, for emitting switch statements or
nested ifs instead of a hash table, and for tuning the algorithm
employed by gperf.
'';
license = lib.licenses.gpl3Plus;
homepage = "https://www.gnu.org/software/gperf/";
platforms = lib.platforms.unix;
mainProgram = "gperf";
};
}