Patrick Welche <[EMAIL PROTECTED]> writes:
> How does that sound?
The "right" way to do it in portable C99 code is this way:
#include <stdint.h>
#ifdef INT64_MAX
code using int64_t
#else
long-winded int32_t alternative
#endif
If you're using Gnulib's stdint module
<http://www.gnu.org/software/gnulib/MODULES.html#module=stdint> that's
all you need to do. If you'd rather not use Gnulib for whatever
reason, you can approximate it this way:
# in configure.ac:
AC_TYPE_INT64_T
/* in C89 or C99 source: */
#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if defined INT64_MAX || defined int64_t
code using int64_t
#else
long-winded int32_t alternative
#endif
So configure.ac shouldn't need AC_CHECK_TYPES([int64_t]) at all.
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