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| author | Barry Warsaw <barry@python.org> | 2000-08-18 04:53:33 (GMT) |
|---|---|---|
| committer | Barry Warsaw <barry@python.org> | 2000-08-18 04:53:33 (GMT) |
| commit | bc7c7f991c4654cb270cc09272559534de492d30 (patch) | |
| tree | 45320b5090ddbf687b3cb3c3e88e3ff7ee641f5d /configure.in | |
| parent | e736177d5bfdb0e7e844b199c4637991ed9dda49 (diff) | |
| download | cpython-bc7c7f991c4654cb270cc09272559534de492d30.zip cpython-bc7c7f991c4654cb270cc09272559534de492d30.tar.gz cpython-bc7c7f991c4654cb270cc09272559534de492d30.tar.bz2 | |
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).
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/configure.in b/configure.in index aeb3223..b8371f8 100644 --- a/configure.in +++ b/configure.in @@ -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, |