gnulib/import/m4/mempcpy.m4

   1 # mempcpy.m4 serial 11
   2 dnl Copyright (C) 2003-2004, 2006-2007, 2009-2016 Free Software Foundation,
   3 dnl Inc.
   4 dnl This file is free software; the Free Software Foundation
   5 dnl gives unlimited permission to copy and/or distribute it,
   6 dnl with or without modifications, as long as this notice is preserved.
   7
   8 AC_DEFUN([gl_FUNC_MEMPCPY],
   9 [
  10   dnl Persuade glibc <string.h> to declare mempcpy().
  11   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
  12
  13   dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'.
  14   AC_REQUIRE([AC_C_RESTRICT])
  15
  16   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  17   AC_CHECK_FUNCS([mempcpy])
  18   if test $ac_cv_func_mempcpy = no; then
  19     HAVE_MEMPCPY=0
  20   fi
  21 ])
  22
  23 # Prerequisites of lib/mempcpy.c.
  24 AC_DEFUN([gl_PREREQ_MEMPCPY], [
  25   :
  26 ])