{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: with stdenv.lib; buildLinux (args // rec { version = "4.15.3"; # modDirVersion needs to be x.y.z, will automatically add .0 if needed modDirVersion = concatStrings (intersperse "." (take 3 (splitString "." "${version}.0"))); # branchVersion needs to be x.y extraMeta.branch = concatStrings (intersperse "." (take 2 (splitString "." version))); src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "055p02in09rj95z9hc1kjh4r12ydwdcl3ds2cp4dckhlnyhnxf4g"; }; } // (args.argsOverride or {}))