[lvm-devel] [PATCH] Fix header include for out of tree builds

[Anton Lundin]

On 17 May, 2023 - Zdenek Kabelac wrote:

> Dne 17. 05. 23 v 14:09 Zdenek Kabelac napsal(a):
> > Dne 17. 05. 23 v 13:50 Anton Lundin napsal(a):
> > > On 17 May, 2023 - Zdenek Kabelac wrote:
> > > 
> > > > Dne 17. 05. 23 v 13:35 Anton Lundin napsal(a):
> > > > > On 17 May, 2023 - Zdenek Kabelac wrote:
> > > > > 
> > > > > > Dne 16. 05. 23 v 18:05 Anton Lundin napsal(a):
> > > > > > > The relative include didn't match up for out of tree builds. The
> > > > > > > build tree include directory is in the include paths already.
> > > > > > > 
> > > > > > > Signed-off-by: Anton Lundin <glance at ac2.se>
> > > > > > > ---
> > > > > > > 
> > > > > > > Now the following works:
> > > > > > > $ mkdir lvm2-build
> > > > > > > $ cd lvm2-build
> > > > > > > $ ../lvm2/configure
> > > > > > Hi
> > > > > > 
> > > > > > Your bug is actually in this command:
> > > > > > 
> > > > > > configure --srcdir=XXXXX
> > > > > > 
> > > > > > > $ make
> > > > > > > 
> > > > > > Otherwise srcdir is located in your builddir and you
> > > > > > would actually get more
> > > > > > errors in various parts of lvmb building - as we tend to use $(srcdir)
> > > > > > inside makefiles..
> > > > > I might be misunderstanding you. Are your comment about the fix or the
> > > > > example on now to trigger the bug?
> > > > > 
> > > > > Just running configure from another directory will set srcdir
> > > > > automatically. At least in any kind of modern auto-tools.
> > > > 
> > > > While we certainly can push this minor change  (and I'll likely push this
> > > > change upstream with my next changeset) - the usage should be based on
> > > > srcdir settings - which I'm setting myself for a long time  - as there were
> > > > always some problems if this was not set properly.
> > > > 
> > > > So I could try if this got eventually better over time  - but lvm2 is using
> > > > somewhat hybrid approach - as we only use 'autoconf' but not 'automake'
> > > > historically.
> > > With this fix out of tree builds works with or without --srcdir= , and
> > > if I revert this fix on my local tree the builds fails with or without
> > > --srcdir= like:
> > > 
> > > In file included from ../../lvm2/lib/commands/toolcontext.h:21,
> > >                   from ../../lvm2/lib/integrity/integrity.c:17:
> > >                  ../../lvm2/lib/commands/cmd_enum.h:15:10: fatal error:
> > >                  ../../include/cmds.h: No such file or directory
> > >                     15 | #include "../../include/cmds.h"
> > > 
> > > //Anton
> > 
> > 
> > Can you please provide  corresponding    'make V=1' log ?
> 
> 
> Actuallly not needed - reproduced myself.

I haven't seen this patch pused out, or anything like it. Is there
anything I can help out with?


//Anton