65 lines
1.8 KiB
Nix
65 lines
1.8 KiB
Nix
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{
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stdenv,
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lib,
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fetchFromGitHub,
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fetchpatch,
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cmake,
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}:
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let
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testData = fetchFromGitHub {
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owner = "nlohmann";
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repo = "json_test_data";
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rev = "v3.1.0";
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hash = "sha256-bG34W63ew7haLnC82A3lS7bviPDnApLipaBjJAjLcVk=";
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};
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "nlohmann_json";
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version = "3.12.0";
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src = fetchFromGitHub {
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owner = "nlohmann";
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repo = "json";
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rev = "v${finalAttrs.version}";
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hash = "sha256-cECvDOLxgX7Q9R3IE86Hj9JJUxraDQvhoyPDF03B2CY=";
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};
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patches = lib.optionals stdenv.hostPlatform.isMusl [
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# Musl does not support LC_NUMERIC, causing a test failure.
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# Turn the error into a warning to make the test succeed.
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# https://github.com/nlohmann/json/pull/4770
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(fetchpatch {
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url = "https://github.com/nlohmann/json/commit/0a8b48ac6a89131deaeb0d57047c9462a23b34a2.diff";
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hash = "sha256-gOZfRyDRI6USdUIY+sH7cygPrSIKGIo8AWcjqc/GQNI=";
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})
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];
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nativeBuildInputs = [ cmake ];
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cmakeFlags = [
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# .pc file uses INCLUDEDIR as a relative path
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"-DCMAKE_INSTALL_INCLUDEDIR=include"
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"-DJSON_BuildTests=${if finalAttrs.finalPackage.doCheck then "ON" else "OFF"}"
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"-DJSON_FastTests=ON"
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"-DJSON_MultipleHeaders=ON"
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]
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++ lib.optional finalAttrs.finalPackage.doCheck "-DJSON_TestDataDirectory=${testData}";
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doCheck = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
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# skip tests that require git or modify “installed files”
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preCheck = ''
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checkFlagsArray+=("ARGS=-LE 'not_reproducible|git_required'")
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'';
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postInstall = "rm -rf $out/lib64";
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meta = with lib; {
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description = "JSON for Modern C++";
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homepage = "https://json.nlohmann.me";
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changelog = "https://github.com/nlohmann/json/blob/develop/ChangeLog.md";
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license = licenses.mit;
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platforms = platforms.all;
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};
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})
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