GNU bug report logs - #62791
BUILT_SOURCES not honoured in parallel build?

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Reuben Thomas <rrt <at> sc3d.org>
Subject: bug#62791: closed (Re: bug#62791: BUILT_SOURCES not honoured in
 parallel build?)
Date: Sun, 10 Dec 2023 23:15:02 +0000

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Your bug report

#62791: BUILT_SOURCES not honoured in parallel build?

which was filed against the automake package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 62791 <at> debbugs.gnu.org.

-- 
62791: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=62791
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Karl Berry <karl <at> freefriends.org>
To: rrt <at> sc3d.org
Cc: 62791 <at> debbugs.gnu.org, vapier <at> gentoo.org
Subject: Re: bug#62791: BUILT_SOURCES not honoured in parallel build?
Date: Sun, 10 Dec 2023 16:13:46 -0700

    Patch attached.

Looks just fine. Thanks Reuben. I installed it. Closing ...
--all the best, karl.

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From: Reuben Thomas <rrt <at> sc3d.org>
To: bug-automake <bug-automake <at> gnu.org>
Subject: BUILT_SOURCES not honoured in parallel build?
Date: Wed, 12 Apr 2023 16:17:07 +0100

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I am bootstrapping GNU a2ps git master[1] with automake 1.16.5. When I do a
parallel build (in my case, MAKEFLAGS=-j4), I get build failures sometimes:

$ make all
make  all-am
make[1]: Entering directory '/home/rrt/.local/var/repo/a2ps/src'
  YACC     parsessh.c
  CC       libparse_a-lexssh.o
/home/rrt/repo/a2ps/src/ylwrap1077905
lexssh.c:38:11: fatal error: parsessh.h: No such file or directory
   38 |  #include "parsessh.h"
      |           ^~~~~~~~~~~~
compilation terminated.
make[1]: *** [Makefile:1710: libparse_a-lexssh.o] Error 1
make[1]: *** Waiting for unfinished jobs....
parsessh.output is unchanged
updating parsessh.h
make[1]: Leaving directory '/home/rrt/.local/var/repo/a2ps/src'
make: *** [Makefile:1514: all] Error 2

But parsessh.h is listed in BUILT_SOURCES, so it should be built before any
other target.

[1] git clone https://git.savannah.gnu.org/git/a2ps.git

-- 
https://rrt.sc3d.org

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