Mercurial > hg > octave-jordi > gnulib-hg
view m4/rint.m4 @ 17921:58c1b50299a6
getopt: give accurate ambiguity diagnostic on mem exhaustion
* lib/getopt.c (_getopt_internal_r): The previous commit broke
out the loop too early, which could give a false indication
of ambiguous options under memory exhaustion.
author | Pádraig Brady <P@draigBrady.com> |
---|---|
date | Wed, 18 Feb 2015 22:37:31 +0000 |
parents | ab58d4870664 |
children |
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# rint.m4 serial 4 dnl Copyright (C) 2011-2015 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_RINT], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Determine RINT_LIBM. dnl The reason for the extra code is: dnl In AIX 7.1 with gcc 4.2, when optimization is turned on, calls to dnl rint() with simple arguments are turned into rintf() calls by the dnl compiler. But while rint() is resides in libc, rintf() is in libm. gl_MATHFUNC([rint], [double], [(double)], [], [y += rint (2.0);]) if test $gl_cv_func_rint_no_libm = no \ && test $gl_cv_func_rint_in_libm = no; then HAVE_RINT=0 RINT_LIBM= fi AC_SUBST([RINT_LIBM]) ])