Re: Conditional sources

[NightStrike]

On 11/4/07, Benoit SIGOURE <address@hidden> wrote:
> On Nov 4, 2007, at 7:47 PM, NightStrike wrote:
>
> > I am trying to figure out how to do conditional sources.  Basically,
> > here is the setup:
> >
> > lib/uuid.c
> > lib32/uuid.c
> >
> > If I pass --with-m32 to configure, I want to use the second source.
> > If I don't, then I want to use the first.  I put this in configure.ac:
> >
> > AC_ARG_WITH(m32,
> > [  --with-m32   Compile lib32 stuff.. testing only],
> > [  WITH_32=yes ],
> > [  WITH_32= ])
>
> You might want to use AS_HELP_STRING here.
> http://www.gnu.org/software/autoconf/manual/html_node/Pretty-Help-
> Strings.html
>
> > AM_CONDITIONAL(WITH32, test x$WITH_32 != x)
> >
> > And I put this in Makefile.am:
> >
> > if WITH32
> >   crtdir=$(prefix)/lib32
> >   uuidsrc = lib32/uuid.c
> > else
> >   crtdir=$(prefix)/$(target)/lib
> >   uuidsrc = lib/uuid.c
> > endif
> >
> > crtlibs_LIBRARIES += libuuid.a
> > libuuid_a_SOURCES = $(uuidsrc)
> >
> >
> > When I run autoreconf, I get this:
> >
> > Makefile.am: object `uuid.$(OBJEXT)' created by `lib32/uuid.c' and
> > `lib/uuid.c'
> > make: *** [../crttest/Makefile.in] Error 1
>
> How about this (untested):
> crtlibs_LIBRARIES += libuuid.a
> libuuid_a_SOURCES =
>
> if WITH32
>    crtdir=$(prefix)/lib32
>    libuuid_a_SOURCES += lib32/uuid.c
> else
>    crtdir=$(prefix)/$(target)/lib
>    libuuid_a_SOURCES += lib/uuid.c
> endif
>
> ?

Same result.