From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: How does one find out what file a library has been loaded from? Date: Tue, 19 Jul 2022 15:39:11 +0300 Message-ID: <83bktlnuog.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4411"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Jul 19 14:40:27 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oDmWZ-0000uh-Mv for ged-emacs-devel@m.gmane-mx.org; Tue, 19 Jul 2022 14:40:27 +0200 Original-Received: from localhost ([::1]:47430 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oDmWY-0000Ux-8m for ged-emacs-devel@m.gmane-mx.org; Tue, 19 Jul 2022 08:40:26 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57782) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDmVZ-0008EM-Rp for emacs-devel@gnu.org; Tue, 19 Jul 2022 08:39:26 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34518) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDmVX-0006E4-Os; Tue, 19 Jul 2022 08:39:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=tfe4owPckcRqjixCLP8IVkpgGqilJLe/2vOg0PL9LQI=; b=qHG9LGl3zpgZ HS9gLQTQmsXr4A8I/DaDOwlkPHxaWCcLA7+n4HBsWOptQ9+oEtwgLU0rmrKJBxUeOVZDEIuMgY22w sEPw3RNDhLWp+4n9yijEAvMgs2ZTeKGaFLZkUPtmwsvkxl5Jhe7ofSfst0CBZCtt940rzoMtNFXPq TUHrRUB4DqYJpa5HqejAcBeigqVmRVNY23pga2RK18qe1opxvSYmW4BWYj0VHauiD9nVwvXGVgvkS vQnqMd0cE6ISv2pGw2V4kRzBrCVCmFJKbrVO7c/sU/JMBIM0BhXZ2kght7QPsu7gWGhAX/3105RTw KDpWomkoM8kmOljVFzx7TA==; Original-Received: from [87.69.77.57] (port=4244 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDmVW-0002HD-RZ; Tue, 19 Jul 2022 08:39:23 -0400 In-Reply-To: (message from Alan Mackenzie on Tue, 19 Jul 2022 10:52:08 +0000) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:292265 Archived-At: > Date: Tue, 19 Jul 2022 10:52:08 +0000 > From: Alan Mackenzie > > Hello, Emacs. > > Forgive me if I've asked this before, but how does one determine what > file a library has been loaded from? In particular, whether that file > is a source file, a byte compiled file or a native compiled file. > > I've tried looking at load-history, and it tells me cc-engine was loaded > from > > "/home/acm/emacs/emacs.git/sub-master-5/lisp/progmodes/cc-engine.elc" > > .. I think that's a lie. I suspect I'm dealing with a native compiled > cc-engine, here. In fact, the string ".eln" doesn't occur anywhere in > load-history, and I _know_ some of the files are native compiled - my > build was configured with-native-compilation. > > So, how do I find this out? What do you like to find? whether it was loaded from cc-engine.elc or cc-engine-XXXXXX.eln? If so, why does it matter?