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{ lib
, stdenv
, fetchFromGitHub
, cmake
, openssl
, zlib
, libuv
# External poll is required for e.g. mosquitto, but discouraged by the maintainer.
, withExternalPoll ? false
}:
stdenv.mkDerivation rec {
pname = "libwebsockets";
version = "4.3.3";
src = fetchFromGitHub {
owner = "warmcat";
repo = "libwebsockets";
rev = "v${version}";
hash = "sha256-IXA9NUh55GtZmn4BhCXntVdHcKZ34iZIJ/0wlySj0/M=";
};
outputs = [ "out" "dev" ];
buildInputs = [ openssl zlib libuv ];
nativeBuildInputs = [ cmake ];
cmakeFlags = [
"-DLWS_WITH_PLUGINS=ON"
"-DLWS_WITH_IPV6=ON"
"-DLWS_WITH_SOCKS5=ON"
"-DDISABLE_WERROR=ON"
"-DLWS_BUILD_HASH=no_hash"
] ++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "-DLWS_WITHOUT_TESTAPPS=ON"
++ lib.optional withExternalPoll "-DLWS_WITH_EXTERNAL_POLL=ON"
++ (
if stdenv.hostPlatform.isStatic then
[ "-DLWS_WITH_SHARED=OFF" ]
else
[ "-DLWS_WITH_STATIC=OFF" "-DLWS_LINK_TESTAPPS_DYNAMIC=ON" ]
);
postInstall = ''
# Fix path that will be incorrect on move to "dev" output.
substituteInPlace "$out/lib/cmake/libwebsockets/LibwebsocketsTargets-release.cmake" \
--replace "\''${_IMPORT_PREFIX}" "$out"
# The package builds a few test programs that are not usually necessary.
# Move those to the dev output.
moveToOutput "bin/libwebsockets-test-*" "$dev"
moveToOutput "share/libwebsockets-test-*" "$dev"
'';
# $out/share/libwebsockets-test-server/plugins/libprotocol_*.so refers to crtbeginS.o
disallowedReferences = [ stdenv.cc.cc ];
meta = with lib; {
description = "Light, portable C library for websockets";
longDescription = ''
Libwebsockets is a lightweight pure C library built to
use minimal CPU and memory resources, and provide fast
throughput in both directions.
'';
homepage = "https://libwebsockets.org/";
# Relicensed from LGPLv2.1+ to MIT with 4.0. Licensing situation
# is tricky, see https://github.com/warmcat/libwebsockets/blob/main/LICENSE
license = with licenses; [ mit publicDomain bsd3 asl20 ];
maintainers = with maintainers; [ mindavi ];
platforms = platforms.all;
};
}
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