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{ stdenv, fetchFromGitHub, cmake, curl, tzdata, fetchpatch, substituteAll }:
stdenv.mkDerivation rec {
pname = "howard-hinnant-date-unstable";
version = "2020-03-09";
src = fetchFromGitHub {
owner = "HowardHinnant";
repo = "date";
rev = "4c1968b8f038483037cadfdbad3215ce21d934bb";
sha256 = "0dywrf18v1znfnz0gdxgi2ydax466zq34gc1vvg2k7vq17a30wq3";
};
patches = [
(fetchpatch {
url = "https://github.com/HowardHinnant/date/commit/e56b2dce7e89a92e1b9b35caa13b3e938c4cedea.patch";
sha256 = "0m3qbhq7kmm9qa3jm6d2px7c1dxdj5k9lffgdvqnrwmhxwj1p9n2";
})
# Without this patch, this library will drop a `tzdata` directory into
# `~/Downloads` if it cannot find `/usr/share/zoneinfo`. Make the path it
# searches for `zoneinfo` be the one from the `tzdata` package.
(substituteAll {
src = ./make-zoneinfo-available.diff;
inherit tzdata;
})
];
nativeBuildInputs = [ cmake ];
buildInputs = [ curl ];
cmakeFlags = [
"-DBUILD_TZ_LIB=true"
"-DBUILD_SHARED_LIBS=true"
"-DUSE_SYSTEM_TZ_DB=true"
];
outputs = [ "out" "dev" ];
meta = with stdenv.lib; {
license = licenses.mit;
description = "A date and time library based on the C++11/14/17 <chrono> header";
homepage = "https://github.com/HowardHinnant/date";
platforms = platforms.linux;
maintainers = with maintainers; [ ma27 ];
};
}
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