kc3-lang/gnulib/m4/fabsf.m4

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• Hash : b1f65faa
  Author :
  Date : 2024-10-17T21:52:41
  

  Use a warranty disclaimer in all-permissive license notices.
  
  * etc/license-notices/unlimited: Add a short warranty disclaimer
  sentence.
  * m4/*.m4: Update.
  * build-aux/prefix-gnulib-mk: Likewise.
  * HACKING: Likewise.
  

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• m4/fabsf.m4

• # fabsf.m4
  # serial 3
  dnl Copyright (C) 2011-2024 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.
  dnl This file is offered as-is, without any warranty.
  
  AC_DEFUN([gl_FUNC_FABSF],
  [
    AC_REQUIRE([gl_MATH_H_DEFAULTS])
    AC_REQUIRE([gl_FUNC_FABS])
  
    dnl Persuade glibc <math.h> to declare fabsf().
    AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  
    dnl Test whether fabsf() exists. We cannot assume that fabsf(), if it
    dnl exists, is defined in the same library as fabs(). This is not the case
    dnl on FreeBSD, NetBSD, OpenBSD.
    gl_MATHFUNC([fabsf], [float], [(float)])
    if test $gl_cv_func_fabsf_no_libm = no \
       && test $gl_cv_func_fabsf_in_libm = no; then
      HAVE_FABSF=0
      FABSF_LIBM="$FABS_LIBM"
    fi
    AC_SUBST([FABSF_LIBM])
  ])
  

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