From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.bugs Subject: bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree Date: Thu, 18 Feb 2021 20:48:58 +0000 Message-ID: <86blch14qt.fsf@gmail.com> References: <865z3866my.fsf@gmail.com> <865z38a9vo.fsf@gmail.com> <86eehujcip.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26476"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (windows-nt) To: 46256@debbugs.gnu.org Cancel-Lock: sha1:c8RxbaJah94as6kNDVuJWCfLLYw= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 18 21:50:11 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1lCqFW-0006nZ-Ux for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 18 Feb 2021 21:49:02 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geb-bug-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: 5 X-Spam_score: 0.5 X-Spam_bar: / X-Spam_report: (0.5 / 5.0 requ) BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FORGED_GMAIL_RCVD=1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NML_ADSP_CUSTOM_MED=0.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:200287 Archived-At: On Wed 17 Feb 2021, Andrea Corallo via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote: > Andy Moreton writes: > >> On Thu 04 Feb 2021, Andy Moreton wrote: >> >>> On Thu 04 Feb 2021, Andy Moreton wrote: >>> >>>> On Wed 03 Feb 2021, akrl--- via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote: >>>>> >>>>> Hi Andy, >>>>> >>>>> could you share the values of PATH_DUMPLOADSEARCH and >>>>> PATH_REL_LOADSEARCH from your epaths.h ? >>>>> >>>>> Thanks >>>>> >>>>> Andrea >>>> >>>> Native branch checkout is in: "c:/emacs/git/emacs/native/" >>>> >>>> "c:/emacs/git/emacs/native/build/mingw64-x86_64-O2/src/epaths.h" contains: >>>> >>>> #define PATH_DUMPLOADSEARCH "C:/emacs/git/emacs/native/lisp" >>>> #define PATH_REL_LOADSEARCH "28.0.50/lisp" >>> >>> I've bootstrapped again after the recent hash shortening to ensure my build >>> is up to date, from commit 1f626e9662d8120acd5a937f847123cc2b8c6e31. The >>> paths above are unchanged. >>> >>> Running this from the build dir, I see messages like: >>> >>> error in process sentinel: Native elisp load failed: "file does not exists", >>> "c:/home/ajm/.emacs.d/eln-cache/28.0.50-e2ae3598/hl-line-e67628ec-664ef650.eln" >>> >>> This suggests that the AOT .eln files are not being found. It should find: >>> >>> c:/emacs/git/emacs/native/build/mingw64-x86_64-O2/native-lisp/28.0.50-e2ae3598/hl-line-8fa29c14-664ef650.eln >>> >>> The middle hash (e67628ec vs. 8fa29c14) is not the same - any idea why ? >> >> After looking at what `comp-el-to-eln-filename' does, I observe that: >> >> (substring (md5 "c:/emacs/git/emacs/native/lisp/hl-line.el") 0 8) >> "e67628ec" >> >> (substring (md5 "//hl-line.el") 0 8) >> "8fa29c14" >> >> That matches the two middle hashes seen above. >> >> It looks like `comp-el-to-eln-filename` fails to match the filename >> prefix against PATH_DUMPLOADSEARCH. It is using case-sensitive matching, >> but on Windows filesystems are case-insensitive. > > Hi Andy, > > The Windows filesystem is case-insensitive but the case is preserved > correct? If so it should work no? Yes, Windows filesystems are case-preserving and do case-insensitive lookup. The fact the code complains about the file not existing, and the hashes matching as described earlier shows it is clearnly not working. I have conjectured why, but the reason may well be something else. > Last queston: do reverse slashes '\' appear somewhere in those > filenames? This was issue I tried to fix with the blind patch I've > sent. As Eli pointed out, that is not the problem: forward slashes are ok. AndyM