Hello Brian,
* Brian J. Murrell wrote on Thu, Jun 03, 2010 at 08:10:26PM CEST:
> I have a Makefile.am with a number of targets in it. Some of those
> targets need $(CC) and/or $(LD) to be reassigned to a particular value
> while others are fine with the default (or could be explicitly assigned
> gcc if need be).
> I notice there is no CC/LD equivillent of the "prog_{C,F}LAGS" type
> variables. i.e. ideally I would just do:
What do you need $(LD) or $(foo_LD) for? It is not referenced by any
automake-generated rules really.
* Brian J. Murrell wrote on Thu, Jun 03, 2010 at 08:50:15PM CEST:
> On Thu, 2010-06-03 at 11:42 -0700, Christian Rössel wrote:
> > I use a separate Makefile for MPI targets.
>
> This is what I did last time around. In fact I created a "mpi" subdir
> for my MPI sources. I'm looking to avoid doing that again for this
> particular use case.
Yes, we do this too. And currently don't use subdir-objects for this
reason.
> > But you need not to move your sources, though.
>
> Hrm. Interesting. We did move the MPI sources into the separate subdir
> with the new Makefile. How did you avoid moving the sources too? Did
> you just prefix all of the filenames, etc. in your subdir/Makefile.am
> with "../"? i.e.
>
> foo_CFLAGS = $(PTHREAD_CFLAGS)
> foo_SOURCES = ../parser.c ../cfg.c ../foo.c ../parser.h ../platform.h
--- src/Makefile.common:
common_sources = \
$(sdir)/a.c \
$(sdir)/b.c \
...
--- src/Makefile.am:
sdir = .
include Makefile.common
foo_SOURCES = $(common_sources) ...
--- mpi/Makefile.am:
sdir = ../src
include ../src/Makefile.common
foo_mpi_SOURCES = $(common_sources) ...
Cheers,
Ralf
