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{ stdenv
, lib
, fetchFromGitHub
, fetchpatch
, cmake
}:
let
testData = fetchFromGitHub {
owner = "nlohmann";
repo = "json_test_data";
rev = "v3.1.0";
hash = "sha256-bG34W63ew7haLnC82A3lS7bviPDnApLipaBjJAjLcVk=";
};
in stdenv.mkDerivation (finalAttrs: {
pname = "nlohmann_json";
version = "3.11.2";
src = fetchFromGitHub {
owner = "nlohmann";
repo = "json";
rev = "v${finalAttrs.version}";
hash = "sha256-SUdhIV7tjtacf5DkoWk9cnkfyMlrkg8ZU7XnPZd22Tw=";
};
patches = [
# Backport fix for gcc-13:
# https://github.com/nlohmann/json/pull/3895
(fetchpatch {
name = "gcc-13-rebind.patch";
url = "https://github.com/nlohmann/json/commit/a5b09d50b786638ed9deb09ef13860a3cb64eb6b.patch";
hash = "sha256-Jbi0VwZP+ZHTGbpIwgKCVc66gOmwjkT5iOUe85eIzM0=";
})
# Backport fix for gcc-13:
# https://github.com/nlohmann/json/pull/3950
(fetchpatch {
name = "gcc-13-eq-op.patch";
url = "https://github.com/nlohmann/json/commit/a49829bd984c0282be18fcec070df0c31bf77dd5.patch";
hash = "sha256-D+cRtdN6AXr4z3/y9Ui7Zqp3e/y10tp+DOL80ZtPz5E=";
})
];
nativeBuildInputs = [ cmake ];
cmakeFlags = [
"-DJSON_BuildTests=${if finalAttrs.doCheck then "ON" else "OFF"}"
"-DJSON_FastTests=ON"
"-DJSON_MultipleHeaders=ON"
] ++ lib.optional finalAttrs.doCheck "-DJSON_TestDataDirectory=${testData}";
doCheck = stdenv.hostPlatform == stdenv.buildPlatform;
# skip tests that require git or modify “installed files”
preCheck = ''
checkFlagsArray+=("ARGS=-LE 'not_reproducible|git_required'")
'';
postInstall = "rm -rf $out/lib64";
meta = with lib; {
description = "JSON for Modern C++";
homepage = "https://json.nlohmann.me";
changelog = "https://github.com/nlohmann/json/blob/develop/ChangeLog.md";
license = licenses.mit;
platforms = platforms.all;
};
})
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