26 lines
687 B
Plaintext
26 lines
687 B
Plaintext
dnl $Id: need-proto.m4,v 1.1.1.2 2000/08/02 20:00:31 assar Exp $
|
|
dnl
|
|
dnl
|
|
dnl Check if we need the prototype for a function
|
|
dnl
|
|
|
|
dnl AC_NEED_PROTO(includes, function)
|
|
|
|
AC_DEFUN(AC_NEED_PROTO, [
|
|
if test "$ac_cv_func_$2+set" != set -o "$ac_cv_func_$2" = yes; then
|
|
AC_CACHE_CHECK([if $2 needs a prototype], ac_cv_func_$2_noproto,
|
|
AC_TRY_COMPILE([$1],
|
|
[struct foo { int foo; } xx;
|
|
extern int $2 (struct foo*);
|
|
$2(&xx);
|
|
],
|
|
eval "ac_cv_func_$2_noproto=yes",
|
|
eval "ac_cv_func_$2_noproto=no"))
|
|
define([foo], [NEED_]translit($2, [a-z], [A-Z])[_PROTO])
|
|
if test "$ac_cv_func_$2_noproto" = yes; then
|
|
AC_DEFINE(foo, 1, [define if the system is missing a prototype for $2()])
|
|
fi
|
|
undefine([foo])
|
|
fi
|
|
])
|