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Added test for uintptr_t, the C9X acceptable way to spell "type to 

which I can cast void* to and back again without losing information".
In pyport.h, we typedef Py_uintptr_t to mean this thing, which if the
platform supports, will be uintptr_t (otherwise, other accomodations
are made).
This commit is contained in:
Barry Warsaw 2000-08-18 04:53:33 +00:00
parent e736177d5b
commit bc7c7f991c
3 changed files with 291 additions and 212 deletions
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6
config.h.in
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@ -124,6 +124,9 @@
/* Define this if you have the type long long */
#undef HAVE_LONG_LONG
/* Define this if you have the type uintptr_t */
#undef HAVE_UINTPTR_T
/* Define if your compiler supports function prototypes */
#undef HAVE_PROTOTYPES
@ -254,6 +257,9 @@
/* The number of bytes in a short. */
#undef SIZEOF_SHORT
/* The number of bytes in a uintptr_t. */
#undef SIZEOF_UINTPTR_T
/* The number of bytes in a void *. */
#undef SIZEOF_VOID_P

489
configure vendored
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File diff suppressed because it is too large Load Diff

8
configure.in
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@ -399,6 +399,14 @@ if test "$have_long_long" = yes ; then
AC_CHECK_SIZEOF(long long)
fi
AC_MSG_CHECKING(for uintptr_t support)
have_uintptr_t=no
AC_TRY_COMPILE([], [uintptr_t x; x = (uintptr_t)0;], AC_DEFINE(HAVE_UINTPTR_T) have_uintptr_t=yes)
AC_MSG_RESULT($have_uintptr_t)
if test "$have_uintptr_t" = yes ; then
AC_CHECK_SIZEOF(uintptr_t)
fi
# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
AC_MSG_CHECKING(size of off_t)
AC_CACHE_VAL(ac_cv_sizeof_off_t,