diff -up dietlibc-0.31.20080409/lib/signalfd.c.implicitfunc dietlibc-0.31.20080409/lib/signalfd.c
--- dietlibc-0.31.20080409/lib/signalfd.c.implicitfunc	2008-02-19 01:28:13.000000000 +0100
+++ dietlibc-0.31.20080409/lib/signalfd.c	2008-04-13 22:52:10.000000000 +0200
@@ -1,6 +1,8 @@
 #include <signal.h>
 #include <errno.h>
 
+extern int __signalfd(int fd, const sigset_t *mask, int flags);
+
 int signalfd(int fd,const sigset_t* mask,int flags) {
   if (flags) {	/* bizarre glibc bullshit */
     errno=EINVAL;
diff -up dietlibc-0.31.20080409/test/stdlib/tst-calloc.c.implicitfunc dietlibc-0.31.20080409/test/stdlib/tst-calloc.c
--- dietlibc-0.31.20080409/test/stdlib/tst-calloc.c.implicitfunc	2003-12-15 14:07:42.000000000 +0100
+++ dietlibc-0.31.20080409/test/stdlib/tst-calloc.c	2008-04-13 22:52:10.000000000 +0200
@@ -17,6 +17,8 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#define _BSD_SOURCE
+
 #include <errno.h>
 #include <limits.h>
 #include <malloc.h>
diff -up dietlibc-0.31.20080409/test/stdlib/testsort.c.implicitfunc dietlibc-0.31.20080409/test/stdlib/testsort.c
--- dietlibc-0.31.20080409/test/stdlib/testsort.c.implicitfunc	2003-12-15 14:07:42.000000000 +0100
+++ dietlibc-0.31.20080409/test/stdlib/testsort.c	2008-04-13 22:52:10.000000000 +0200
@@ -1,3 +1,5 @@
+#define _BSD_SOURCE
+
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff -up dietlibc-0.31.20080409/test/getservbyname.c.implicitfunc dietlibc-0.31.20080409/test/getservbyname.c
--- dietlibc-0.31.20080409/test/getservbyname.c.implicitfunc	2003-12-15 14:07:42.000000000 +0100
+++ dietlibc-0.31.20080409/test/getservbyname.c	2008-04-13 22:53:38.000000000 +0200
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <netdb.h>
+#include <arpa/inet.h>
 
 int main(int argc,char *argv[]) {
   struct servent* se;