Re: native Win32 guile 1.7.0

[Kevin Ryde <user42@zip.com.au>]

stefan <stefan@lkcc.org> writes:
>
> With the last changes in 'numbers.h' all of the errors in the error.log I
> posted earlier disappear, i.e. using _copysign, _isnan and _finite solved
> the problems in the 'numbers.test'.

I'd suggest doing those in a system-neutral style too.  _copysign is a
function I take it.  In which case add autoconf tests and use
(untested),

	/* mingw offers _copysign rather than copysign */
	#if ! HAVE_COPYSIGN && HAVE__COPYSIGN
	#define copysign _copysign
	#define HAVE_COPYSIGN 1
	#endif

Again, good for adapting automatically to the future.  (Autoconf is
about testing for features, not system types.)

>  * I do use a special 'guile.cache' file as cache file for the configure
>    script.  The file defines some tests to be done and chached.  I think
>    this is normal for a cross-build.

In principle hopefully not :-).  I needed to force
ac_cv_sys_restartable_syscalls=no when I tried a cross compile a while
ago though.

And an EXEEXT_FOR_BUILD is needed for gen-scmconfig.  I've been
meaning to propose some code I'd used for gmp in that area.

>  * The 'fileblocks.o' must be removed in configure before configure'ing.
>    This is due to the macro AC_STRUCT_ST_BLOCKS.

It's always annoying when autoconf does more than wanted.  Maybe
AC_CHECK_MEMBER should be used instead.


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