GNU bug report logs - #61867
dirstamp pattern rule kills buildability with FreeBSD make, NetBSD make, AIX make

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Bruno Haible <bruno <at> clisp.org>
Subject: bug#61867: closed (Re: bug#61867: dirstamp pattern rule kills
 buildability with FreeBSD make, NetBSD make, AIX make)
Date: Tue, 28 Feb 2023 23:17:02 +0000

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Your bug report

#61867: dirstamp pattern rule kills buildability with FreeBSD make, NetBSD make, AIX make

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 61867 <at> debbugs.gnu.org.

-- 
61867: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=61867
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Karl Berry <karl <at> freefriends.org>
To: bruno <at> clisp.org
Cc: vapier <at> gentoo.org, jim <at> meyering.net, 61867 <at> debbugs.gnu.org
Subject: Re: bug#61867: dirstamp pattern rule kills buildability with FreeBSD
 make, NetBSD make, AIX make
Date: Tue, 28 Feb 2023 16:16:26 -0700

    I guess that the commit "dirstamp: switch to a pattern rule" is the culprit.
    https://git.savannah.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=55f8fcfd08cbf15d65d61dd2db934b6c3171cf06

Thanks Bruno. I reverted (attempted to, anyway) that change.
Hope it flies. Closing this, in hopes ... -k

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From: Bruno Haible <bruno <at> clisp.org>
To: bug-automake <at> gnu.org
Cc: Mike Frysinger <vapier <at> gentoo.org>, Jim Meyering <jim <at> meyering.net>
Subject: dirstamp pattern rule kills buildability with FreeBSD make,
 NetBSD make, AIX make
Date: Tue, 28 Feb 2023 13:47:06 +0100

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Hi,

FreeBSD 13.1 'make', NetBSD 9.0 'make', AIX 7.1 and 7.2 'make' are perfectly
fine for building many GNU packages, even as VPATH builds.

Jim Meyering has now put out a tarball for testing, that uses bleeding-edge
Automake:
https://lists.gnu.org/archive/html/platform-testers/2023-02/msg00012.html

When I build this tarball on FreeBSD, NetBSD, or AIX — in srcdir or as a
VPATH build, does not matter —, the build fails, like this:

 ------------------------------------------------------
...
  CC       libgreputils_a-getopt1.o
  CC       libgreputils_a-getprogname.o
make: 1254-002 Cannot find a rule to create target malloc/.dirstamp from dependencies.
Stop.
make: 1254-004 The error code from the last command is 2.


Stop.
make: 1254-004 The error code from the last command is 1.


Stop.
make: 1254-004 The error code from the last command is 2.


Stop.
 ------------------------------------------------------

This is a regression, caused by the bleeding-edge Automake, because when I
unpack the tarball and then (with Automake 1.16.5 in $PATH) do
  aclocal -I m4
  automake
  touch configure
  touch config.hin
it does not exhibit this build failure any more.

Find attached the diff between lib/Makefile (that fails) and lib/Makefile
(that comes from Automake 1.16.5 and works fine). You can see that with
individual rules for malloc/$(am__dirstamp), glthread/$(am__dirstamp),
unistr/$(am__dirstamp), uniwidth/$(am__dirstamp) the build works fine,
whereas with the pattern rule
  %/$(am__dirstamp)
it fails.

I guess that the commit "dirstamp: switch to a pattern rule" is the culprit.
https://git.savannah.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=55f8fcfd08cbf15d65d61dd2db934b6c3171cf06

Bruno

[makefiles.diff (text/x-patch, attachment)]

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