kc3-lang/gnulib/m4/powf.m4

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• Hash : a3fd683d
  Author :
  Date : 2017-01-01T02:59:23
  

  version-etc: new year
  
  * build-aux/gendocs.sh (version):
  * doc/gendocs_template:
  * doc/gendocs_template_min:
  * doc/gnulib.texi:
  * lib/version-etc.c (COPYRIGHT_YEAR):
  Update copyright dates by hand in templates and the like.
  * all files: Run 'make update-copyright'.
  

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• m4/powf.m4

• # powf.m4 serial 2
  dnl Copyright (C) 2011-2017 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_POWF],
  [
    AC_REQUIRE([gl_MATH_H_DEFAULTS])
    AC_REQUIRE([gl_FUNC_POW])
  
    dnl Persuade glibc <math.h> to declare powf().
    AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  
    dnl Test whether powf() exists. Assume that powf(), if it exists, is
    dnl defined in the same library as pow().
    save_LIBS="$LIBS"
    LIBS="$LIBS $POW_LIBM"
    AC_CHECK_FUNCS([powf])
    LIBS="$save_LIBS"
    if test $ac_cv_func_powf = yes; then
      POWF_LIBM="$POW_LIBM"
    else
      HAVE_POWF=0
      POWF_LIBM="$POW_LIBM"
    fi
    AC_SUBST([POWF_LIBM])
  ])
  

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