xref: /minix3/crypto/external/bsd/heimdal/dist/cf/proto-compat.m4 (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambucdnl Id
2*ebfedea0SLionel Sambucdnl
3*ebfedea0SLionel Sambucdnl
4*ebfedea0SLionel Sambucdnl Check if the prototype of a function is compatible with another one
5*ebfedea0SLionel Sambucdnl
6*ebfedea0SLionel Sambuc
7*ebfedea0SLionel Sambucdnl AC_PROTO_COMPAT(includes, function, prototype)
8*ebfedea0SLionel Sambuc
9*ebfedea0SLionel SambucAC_DEFUN([AC_PROTO_COMPAT], [
10*ebfedea0SLionel SambucAC_CACHE_CHECK([if $2 is compatible with system prototype],
11*ebfedea0SLionel Sambucac_cv_func_$2_proto_compat,
12*ebfedea0SLionel SambucAC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]],[[$3]])],
13*ebfedea0SLionel Sambuc[eval "ac_cv_func_$2_proto_compat=yes"],
14*ebfedea0SLionel Sambuc[eval "ac_cv_func_$2_proto_compat=no"]))
15*ebfedea0SLionel Sambucdefine([foo], translit($2, [a-z], [A-Z])[_PROTO_COMPATIBLE])
16*ebfedea0SLionel Sambucif test "$ac_cv_func_$2_proto_compat" = yes; then
17*ebfedea0SLionel Sambuc	AC_DEFINE(foo, 1, [define if prototype of $2 is compatible with
18*ebfedea0SLionel Sambuc	$3])
19*ebfedea0SLionel Sambucfi
20*ebfedea0SLionel Sambucundefine([foo])
21*ebfedea0SLionel Sambuc])