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      1 dnl Id
      2 dnl
      3 dnl
      4 dnl Check if the prototype of a function is compatible with another one
      5 dnl
      6 
      7 dnl AC_PROTO_COMPAT(includes, function, prototype)
      8 
      9 AC_DEFUN([AC_PROTO_COMPAT], [
     10 AC_CACHE_CHECK([if $2 is compatible with system prototype],
     11 ac_cv_func_$2_proto_compat,
     12 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]],[[$3]])],
     13 [eval "ac_cv_func_$2_proto_compat=yes"],
     14 [eval "ac_cv_func_$2_proto_compat=no"]))
     15 define([foo], translit($2, [a-z], [A-Z])[_PROTO_COMPATIBLE])
     16 if test "$ac_cv_func_$2_proto_compat" = yes; then
     17 	AC_DEFINE(foo, 1, [define if prototype of $2 is compatible with
     18 	$3])
     19 fi
     20 undefine([foo])
     21 ])