. ./redoconf.rc
rc_include rc/CC.rc

base="${1#*/}"
f="${base%.func.rc}"
F=$(echo "$f" | tr 'a-z.' 'A-Z_')

if rc_compile cc link "void $f(); void test() { $f(); }"; then
	rc_replaceln "HAVE_$F" 1
else
	rc_replaceln "HAVE_$F" ""
fi
rc_save