kc3-lang/gnulib/m4/copysign.m4

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• Hash : 4b948321
  Author :
  Date : 2021-01-01T07:28:52
  

  maint: run 'make update-copyright'
  

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• m4/copysign.m4

• # copysign.m4 serial 1
  dnl Copyright (C) 2011-2021 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])
  ])
  

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