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Re: AC_PROG_CC does not work correctly inside conditionals (autoconf 2.6
From: |
Andreas Kabel |
Subject: |
Re: AC_PROG_CC does not work correctly inside conditionals (autoconf 2.61) |
Date: |
Mon, 12 Mar 2007 10:43:20 -0700 |
User-agent: |
Netscape/7.0 (compatible;MSIE 6.0; Windows 98) |
Ralf Wildenhues wrote:
> Hello Andreas,
>
> Please keep the mailing list in Cc:, thanks.
>
OK, fixed.
> * Andreas Kabel wrote on Mon, Mar 12, 2007 at 04:12:58PM CET:
>> Ralf Wildenhues wrote:
>>> But say, what's the reason you want to call this conditionally?
>>> Your package may or may not use a compiler?
>> I need to make a case distinction -- depending on whether or not
>> multi-processor support is enabled (./configure --enable-mpi), I need to
>> go through different sets of compilers (e.g., pathCC and g++ for
>> single-processor, mpiCC and mpCC for multi-processor); so my original
>> configure.ac looked something like
>>
>> if test "$mpidisabled" = "yes"; then
>> AC_PROG_CC([pathCC xlC g++])
>> else
>> AC_PROG_CC([mpiCC mpixlC])
>> fi
>
> Try this:
>
> if test "$mpidisabled" = "yes"; then
> list_of_compilers="pathCC xlC g++"
> else
> list_of_compilers="mpiCC mpixlC"
> fi
> AC_PROG_CC([$list_of_compilers]]
>
Yes, that's the workaround I came up with as well.
> Also, you could consider the ACX_MPI module from the Autoconf Macro
> Archive for MPI compilers and associated changes.
Will do. Thanks,
Andreas
>
> Cheers,
> Ralf