Hi,
On 08/08/2017 11:17 PM, Mathieu Lirzin wrote:
> Michael Haubenwallner <michael.haubenwall...@ssi-schaefer.com> writes:
>>
>> I have no idea for how to fix automake for this situation, but it
>> feels like automake should add this line to src/Makefile.in here:
>>
>> $(LIBOBJS): $(LIBOBJDIR)$(am__dirstamp)
>
> I confirm that this is an Automake issue. After some digging I think
> 'automake' should call the 'require_build_directory' subroutine for the
> LIBOBJDIR variable. However I don't have time to investigate more right
> now.
In this case let me come up with attached patch for now
(without deeper knowledge of automake internals though).
Thanks!
/haubi/
>From c3d51adb53400fc8bf65c0e003d810b2e7166d0d Mon Sep 17 00:00:00 2001
From: Michael Haubenwallner <michael.haubenwall...@ssi-schaefer.com>
Date: Wed, 16 Aug 2017 18:16:12 +0200
Subject: [PATCH] automake: Depend on LIBOBJDIR for LIBOBJS.
This change fixes automake bug#27781.
* bin/automake.in: Add Makefile dependency on LIBOBJDIR/dirstamp for
each LIBOBJS/ALLOCA variable used.
---
bin/automake.in | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/bin/automake.in b/bin/automake.in
index 9c4cb86..b82e8c5 100644
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -2153,10 +2153,19 @@ sub handle_LIBOBJS_or_ALLOCA
$dir = backname ($relative_dir) . "/$dir"
if $relative_dir ne '.';
define_variable ('LIBOBJDIR', "$dir", INTERNAL);
+ my $dirstamp = '';
+ # Abusing $clean_files{"$(VAR)"} as indicator for whether
+ # we have added the "$(VAR): $dirstamp" dependency already.
+ $dirstamp = require_build_directory ($dir)
+ if ! defined $clean_files{"\$($var)"};
$clean_files{"\$($var)"} = MOSTLY_CLEAN;
+ $output_rules .= "\$($var): $dirstamp\n" if ($dirstamp);
# If LTLIBOBJS is used, we must also clear LIBOBJS (which might
# be created by libtool as a side-effect of creating LTLIBOBJS).
- $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
+ if ($var =~ s/^LT//) {
+ $clean_files{"\$($var)"} = MOSTLY_CLEAN;
+ $output_rules .= "\$($var): $dirstamp\n" if ($dirstamp);
+ }
}
return $dir;
--
2.10.2
