address@hidden: compile/grep: When directory tracking is used then next-error fails to go to the correct file when the basename was seen before.]

[Richard Stallman]

[I sent this message a week ago but did not get a response.]

Would someone please DTRT, then ack?

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To: address@hidden
From: Vagn Johansen <address@hidden>
Date: Fri, 3 Aug 2007 14:13:21 +0200
Subject: compile/grep: When directory tracking is used then next-error fails
        to go to the correct file when the basename was seen before.


The problem occurs occurs when compiling or grepping. After running
the compile command that gave the output seen below then running
next-error four times only visits dir1/file.cpp. The third next-error
should have opened dir2/file.cpp. The problem occurs because the same
filename (basename) file.cpp is used in the two directories.

make -w -C dir1; make -w -C dir2
make: Entering directory `/Users/vagn/tmp/dir1'
g++ -Wall file.cpp
file.cpp: In function 'int main(int, char**)':
file.cpp:5: warning: unused variable 'xx1'
file.cpp:6: warning: unused variable 'xx2'
make: Leaving directory `/Users/vagn/tmp/dir1'
make: Entering directory `/Users/vagn/tmp/dir2'
g++ -Wall file.cpp
file.cpp: In function 'int main(int, char**)':
file.cpp:5: warning: unused variable 'yy'
file.cpp:6: warning: unused variable 'yy2'
make: Leaving directory `/Users/vagn/tmp/dir2'


In GNU Emacs 22.1.1 (i386-apple-darwin8.9.1, Carbon Version 1.6.0)
  of 2007-06-15 on vj-mac.local
Windowing system distributor `Apple Inc.', version 10.4.10
configured using `configure  '--enable-carbon-app''

Important settings:
   value of $LC_ALL: nil
   value of $LC_COLLATE: nil
   value of $LC_CTYPE: nil
   value of $LC_MESSAGES: nil
   value of $LC_MONETARY: nil
   value of $LC_NUMERIC: nil
   value of $LC_TIME: nil
   value of $LANG: nil
   locale-coding-system: iso-latin-1
   default-enable-multibyte-characters: t

Major mode: C++/l

Minor modes in effect:
   shell-dirtrack-mode: t
   encoded-kbd-mode: t
   show-paren-mode: t
   minibuffer-electric-default-mode: t
   iswitchb-mode: t
   dir-locals-mode: t
   display-time-mode: t
   which-function-mode: t
   recentf-mode: t
   tooltip-mode: t
   mouse-wheel-mode: t
   menu-bar-mode: t
   file-name-shadow-mode: t
   global-font-lock-mode: t
   font-lock-mode: t
   blink-cursor-mode: t
   unify-8859-on-encoding-mode: t
   utf-translate-cjk-mode: t
   auto-compression-mode: t
   line-number-mode: t
   abbrev-mode: t
   hs-minor-mode: t

Recent messages:
compilation-next-error: Moved back before first error
compilation-next-error: Moved past last error
Mark set [2 times]
Wrote /Users/vagn/tmp/dir1/file.cpp
Mark set [3 times]
Auto-saving...done
Wrote /Users/vagn/tmp/dir2/file.cpp
(No files need saving)
Making completion list...
Loading emacsbug...done


- -- 
Vagn Johansen


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