{ lib, stdenv, fetchurl, perl, openldap, pam, db, cyrus_sasl, libcap , expat, libxml2, openssl, pkg-config }: stdenv.mkDerivation rec { pname = "squid"; version = "4.15"; src = fetchurl { url = "http://www.squid-cache.org/Versions/v4/${pname}-${version}.tar.xz"; sha256 = "sha256-tpOk5asoEaioVPYN4KYq+786lSux0EeVLJrgEyH4SiU="; }; nativeBuildInputs = [ pkg-config ]; buildInputs = [ perl openldap db cyrus_sasl expat libxml2 openssl ] ++ lib.optionals stdenv.isLinux [ libcap pam ]; configureFlags = [ "--enable-ipv6" "--disable-strict-error-checking" "--disable-arch-native" "--with-openssl" "--enable-ssl-crtd" "--enable-storeio=ufs,aufs,diskd,rock" "--enable-removal-policies=lru,heap" "--enable-delay-pools" "--enable-x-accelerator-vary" ] ++ lib.optional (stdenv.isLinux && !stdenv.hostPlatform.isMusl) "--enable-linux-netfilter"; meta = with lib; { description = "A caching proxy for the Web supporting HTTP, HTTPS, FTP, and more"; homepage = "http://www.squid-cache.org"; license = licenses.gpl2Plus; platforms = platforms.linux; maintainers = with maintainers; [ fpletz raskin ]; }; }