--- gforth/configure.in	2012/03/17 01:36:03	1.299
+++ gforth/configure.in	2012/03/19 16:49:37	1.300
@@ -963,7 +963,7 @@ if test "$host_os" != "nextstep3"
 then
 	AC_FUNC_MEMCMP
 fi
-AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
+AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
 AC_FUNC_FSEEKO
 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])