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| author | Anthony Baxter <anthonybaxter@gmail.com> | 2003-09-30 14:58:59 (GMT) |
|---|---|---|
| committer | Anthony Baxter <anthonybaxter@gmail.com> | 2003-09-30 14:58:59 (GMT) |
| commit | 83dd43fde1f84fd6acb8388979813eebdea1a05c (patch) | |
| tree | e7c9fea6e31e0662cc1cf8f1cc96c1f751123105 /Include | |
| parent | 3a01b7d66e4c2359026c5d68ae5ab6556c541be5 (diff) | |
| download | cpython-83dd43fde1f84fd6acb8388979813eebdea1a05c.zip cpython-83dd43fde1f84fd6acb8388979813eebdea1a05c.tar.gz cpython-83dd43fde1f84fd6acb8388979813eebdea1a05c.tar.bz2 | |
workaround for OpenBSD compiler bug w.r.t. handling of overflows.
Diffstat (limited to 'Include')
| -rw-r--r-- | Include/pyport.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Include/pyport.h b/Include/pyport.h index 8747271..085833f 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -257,8 +257,17 @@ extern "C" { * in non-overflow cases. * X is evaluated more than once. * Some platforms have better way to spell this, so expect some #ifdef'ery. + * + * OpenBSD uses 'isinf()' because a compiler bug on that platform causes + * the longer macro version to be mis-compiled. This isn't optimal, and + * should be removed once a newer compiler is available on that platform. + * The system that had the failure was running OpenBSD 3.2 on Intel, with + * gcc 2.95.3. + * + * According to Tim's checkin, the FreeBSD systems use isinf() to work + * around a FPE bug on that platform. */ -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || defined(__OpenBSD__) #define Py_OVERFLOWED(X) isinf(X) #else #define Py_OVERFLOWED(X) ((X) != 0.0 && (errno == ERANGE || \ |