From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ricardo Wurmus Subject: Re: How to reference external program used in shell-scripts? Date: Sun, 08 Sep 2019 21:41:11 +0200 Message-ID: <87imq24luw.fsf@elephly.net> References: <72f51f57-3d1a-15f3-458b-cf036841c15a@crazy-compilers.com> <87pnlfww2k.fsf@elephly.net> <87d0hewwfu.fsf@elephly.net> <670e61cd-d3e3-6a91-0773-715d19f5052a@crazy-compilers.com> <87h85tsfdm.fsf@gnu.org> <5N_UMBvLW0XcZzRVKR4nqoYJaDH4yarA6gh7dteO6-GxllsHFtS1N7d4Q-Ffc4Mx4sfnFQVKlBCx8A40o45SXUPlfWdbVd_9S2972A9_DTM=@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:57256) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i7342-0006yh-52 for guix-devel@gnu.org; Sun, 08 Sep 2019 15:41:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i7341-00075N-7l for guix-devel@gnu.org; Sun, 08 Sep 2019 15:41:34 -0400 In-reply-to: <5N_UMBvLW0XcZzRVKR4nqoYJaDH4yarA6gh7dteO6-GxllsHFtS1N7d4Q-Ffc4Mx4sfnFQVKlBCx8A40o45SXUPlfWdbVd_9S2972A9_DTM=@protonmail.com> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: P Cc: "guix-devel@gnu.org" P via Development of GNU Guix and the GNU System distribution. writes: > Can we tell Guix that an input is runtime only? Or only needed in > certain stages of the build? We cannot and we cannot guarantee that the presence of a package during the build isn=E2=80=99t going to affect the build outcome. > For example, if a large package (let's > say... written in Rust) uses Lua for a utility script at run time, but > doesn't touch it at build time changing the Lua version should not > result in a recompilation. We cannot guarantee this. -- Ricardo