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From: "giecrilj at stegny dot 2a.pl" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31088] New: gdb requires build directories to exist
Date: Sat, 25 Nov 2023 18:33:11 +0000
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X-Bugzilla-Product: gdb
X-Bugzilla-Component: gdb
X-Bugzilla-Version: 12.1
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: giecrilj at stegny dot 2a.pl
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X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31088

            Bug ID: 31088
           Summary: gdb requires build directories to exist
           Product: gdb
           Version: 12.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: giecrilj at stegny dot 2a.pl
  Target Milestone: ---

Summary:

gdb cannot move up a directory that does not exist in the source tree when
looking for a source file.

Steps to reproduce on Ubuntu 22.04:

1. {
  DEBUGINFOD_URLS=3D'https://debuginfod.ubuntu.com' &&
  export DEBUGINFOD_URLS; }

2. set debuginfod enabled on

3. attach to a running yelp

3.1. debuginfod will download debuginfo and refuse to download source files

4. {
  cd
"${HOME}/.cache/debuginfod_client/a4f415af56b06f1f38d5a0339dd9828ff136b115/=
" &&
  apt source libc6 && cd ../c74e800dfd5f72649d673b44292f4a817e45150b/ &&
  apt source libglib2.0-0; }

5. dir
${HOME}/.cache/debuginfod_client/a4f415af56b06f1f38d5a0339dd9828ff136b115/g=
libc-2.35

6. dir
${HOME}/.cache/debuginfod_client/c74e800dfd5f72649d673b44292f4a817e45150b/g=
lib2.0-2.72.4

7. detach and attach

8. up

Expected result:
4518          ret =3D (*poll_func) (fds, n_fds, timeout);

Actual result:
Continuing without source file ./debian/build/deb/../../../glib/gmain.c.
4518    ../../../glib/gmain.c: No such file.

Work-around:
{ install -d
"${HOME}/.cache/debuginfod_client/c74e800dfd5f72649d673b44292f4a817e45150b/=
glib2.0-2.72.4/debian/build/deb";
}

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