Mercurial > gnulib
view m4/copysign.m4 @ 40057:b06060465f09
maint: Run 'make update-copyright'
author | Paul Eggert <eggert@cs.ucla.edu> |
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date | Tue, 01 Jan 2019 00:25:11 +0100 |
parents | 10eb9086bea0 |
children |
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# copysign.m4 serial 1 dnl Copyright (C) 2011-2019 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_COPYSIGN], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Determine COPYSIGN_LIBM. gl_MATHFUNC([copysign], [double], [(double, double)]) if test $gl_cv_func_copysign_no_libm = no \ && test $gl_cv_func_copysign_in_libm = no; then HAVE_COPYSIGN=0 COPYSIGN_LIBM= fi AC_SUBST([COPYSIGN_LIBM]) ])