[Rd] R-devel on alpha Tru64: cxml/dxml problem (PR#977)

[Kurt Hornik]

>>>>> Prof Brian Ripley writes:

> On Tue, 12 Jun 2001, Kurt Hornik wrote:
>> >>>>> albrecht gebhardt writes:
>> 
>> > Hi,
>> 
>> > I just run a ./configure --enable-R-shlib; make; make check; with a
>> recent > (11.6.2001) R-devel snapshot on Tru64 4.0F (with libcxml):
>> 
>> > ...
>> 
>> 
>> > I guess because we are using gcc/g77 and not DEC cc/f77 we cannot use
>> > CXML/DXML libraries.
>> 
>> > And indeed, make check succeeds with "--without-blas" added to the
>> > configure options.
>> 
>> > Solution:
>> 
>> > I would suggest to modify the configure script not to use dxml/cxml on
>> > alpha-tru64 by default.
>> 
>> R developers: anyone against that?
>> 
>> If not: Albrecht, can you suggest code which fixes the problem?  Should
>> we turn off checking for dxml/cxml in general?  I'd rather not special

> I think we should just remove the checks.  They are run on all platforms
> even though only relevant to one, and they can in any case be specified
> via -with-blas=foo for some `foo' (cxml or dxml, I think).

I had the same idea.

>> case a specific platform (or even in combo with a specific compiler).

> Even though we are in feature free, zapping the following lines in
> m4/R.m4 seems innocent enough:

> if test "x$BLAS_LIBS" = x; then
>   # BLAS in Alpha CXML library?
>   AC_CHECK_LIB(cxml, $dgemm_func, BLAS_LIBS="-lcxml", , $FLIBS)
> fi

> if test "x$BLAS_LIBS" = x; then
>   # BLAS in Alpha DXML library? (now called CXML, see above)
>   AC_CHECK_LIB(dxml, $dgemm_func, BLAS_LIBS="-ldxml", , $FLIBS)
> fi

[Yes.  Plus take not that we modified the macro taken from Octave and
need to talk to JWE about it.]

> If we do this, we need to add the info to R-admin.texi.

-k
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