Mercurial > hg > octave-lyh > gnulib-hg
changeset 15907:4483180d8a93
isinf: Ensure macro on AIX 5.1.
* m4/isinf.m4 (gl_ISINF): Also test whether isinf is defined as a
macro.
* doc/posix-functions/isinf.texi: Mention also AIX 5.1 as deficient.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sun, 09 Oct 2011 13:27:29 +0200 |
| parents | 400649d35651 |
| children | 2f40da163bc2 |
| files | ChangeLog doc/posix-functions/isinf.texi m4/isinf.m4 |
| diffstat | 3 files changed, 15 insertions(+), 3 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2011-10-09 Bruno Haible <bruno@clisp.org> + + isinf: Ensure macro on AIX 5.1. + * m4/isinf.m4 (gl_ISINF): Also test whether isinf is defined as a + macro. + * doc/posix-functions/isinf.texi: Mention also AIX 5.1 as deficient. + 2011-10-09 Bruno Haible <bruno@clisp.org> *printf-posix tests: Fix for platforms where 'long double' == 'double'.
--- a/doc/posix-functions/isinf.texi +++ b/doc/posix-functions/isinf.texi @@ -10,7 +10,7 @@ @itemize @item This macro is missing on some platforms: -AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11. +AIX 5.1, IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11. @item This macro incorrectly yields true for some @samp{long double} arguments, on some platforms:
--- a/m4/isinf.m4 +++ b/m4/isinf.m4 @@ -1,4 +1,4 @@ -# isinf.m4 serial 8 +# isinf.m4 serial 9 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -9,7 +9,12 @@ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare isinf. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_DECLS([isinf], , , [[#include <math.h>]]) + AC_CHECK_DECLS([isinf], , , + [[#include <math.h> + #ifndef isinf + #error "isinf must be a macro, not a function" + #endif + ]]) if test "$ac_cv_have_decl_isinf" = yes; then gl_CHECK_MATH_LIB([ISINF_LIBM], [x = isinf (x) + isinf ((float) x);]) if test "$ISINF_LIBM" != missing; then