1  /* Finite math compatibility macros.
       2     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <http://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _LIBM_ALIAS_FINITE_H
      20  #define _LIBM_ALIAS_FINITE_H
      21  
      22  #include <first-versions.h>
      23  #include <shlib-compat.h>
      24  
      25  /* The -ffinite-math symbols were added on GLIBC 2.15 and moved to compat
      26     symbol so newer architectures do not require to support it.  */
      27  #if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_31)
      28  # define libm_alias_finite(from, to)				\
      29    libm_alias_finite1(from, to)
      30  # define libm_alias_finite1(from, to)				\
      31  compat_symbol (libm,						\
      32  	       from,						\
      33  	       to ## _finite, 					\
      34  	       FIRST_VERSION_libm_ ## to ## _finite);
      35  #else
      36  # define libm_alias_finite(from, to)
      37  #endif
      38  
      39  #endif