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........
  r68296 | mark.dickinson | 2009-01-04 12:29:36 +0000 (Sun, 04 Jan 2009) | 6 lines

  Add autoconf test to detect x87-style double rounding, as described in
  issue #2937.  This information can be helpful for diagnosing platform-
  specific problems in math and cmath.  The result of the test also
  serves as a fairly reliable indicator of whether the x87 floating-point
  instructions (as opposed to SSE2) are in use on Intel x86/x86_64 systems.
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  r68299 | mark.dickinson | 2009-01-04 13:57:26 +0000 (Sun, 04 Jan 2009) | 4 lines

  isinf and isnan are macros, not functions; fix configure script
  to use AC_CHECK_DECLS instead of AC_CHECK_FUNCS for these.
  (See discussion in issue #4506)
........
This commit is contained in:
Mark Dickinson 2009-01-04 15:09:02 +00:00
parent 277a150146
commit 3dc7c6a375
5 changed files with 358 additions and 21 deletions
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31
pyconfig.h.in
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@ -58,6 +58,10 @@
/* Define to 1 if you have the <bluetooth.h> header file. */
#undef HAVE_BLUETOOTH_H
/* Define if mbstowcs(NULL, "text", 0) does not return the number of wide
chars that would be converted. */
#undef HAVE_BROKEN_MBSTOWCS
/* Define if nice() returns success/failure instead of the new priority. */
#undef HAVE_BROKEN_NICE
@ -112,6 +116,18 @@
/* Define if you have the 'resize_term' function. */
#undef HAVE_CURSES_RESIZE_TERM
/* Define to 1 if you have the declaration of `isfinite', and to 0 if you
don't. */
#undef HAVE_DECL_ISFINITE
/* Define to 1 if you have the declaration of `isinf', and to 0 if you don't.
*/
#undef HAVE_DECL_ISINF
/* Define to 1 if you have the declaration of `isnan', and to 0 if you don't.
*/
#undef HAVE_DECL_ISNAN
/* Define to 1 if you have the declaration of `tzname', and to 0 if you don't.
*/
#undef HAVE_DECL_TZNAME
@ -312,12 +328,6 @@
/* Define to 1 if you have the <io.h> header file. */
#undef HAVE_IO_H
/* Define to 1 if you have the `isinf' function. */
#undef HAVE_ISINF
/* Define to 1 if you have the `isnan' function. */
#undef HAVE_ISNAN
/* Define to 1 if you have the `kill' function. */
#undef HAVE_KILL
@ -357,7 +367,7 @@
/* Define to 1 if you have the <libintl.h> header file. */
#undef HAVE_LIBINTL_H
/* Define to 1 if you have the `readline' library (-lreadline). */
/* Define if you have the readline library (-lreadline). */
#undef HAVE_LIBREADLINE
/* Define to 1 if you have the `resolv' library (-lresolv). */
@ -800,10 +810,6 @@
/* Define to 1 if you have the `wcsxfrm' function. */
#undef HAVE_WCSXFRM
/* Define if mbstowcs(NULL, "text", 0) does not return the number of
wide chars that would be converted */
#undef HAVE_BROKEN_MBSTOWCS
/* Define if tzset() actually switches the local timezone in a meaningful way.
*/
#undef HAVE_WORKING_TZSET
@ -984,6 +990,9 @@
first (like Motorola and SPARC, unlike Intel and VAX). */
#undef WORDS_BIGENDIAN
/* Define if arithmetic is subject to x87-style double rounding issue */
#undef X87_DOUBLE_ROUNDING
/* Define to 1 if on AIX 3.
System headers sometimes define this.
We just want to avoid a redefinition error message. */