diff -up ./test/stdlib/testsort.c.tv ./test/stdlib/testsort.c
--- ./test/stdlib/testsort.c.tv	2003-12-15 14:07:42.000000000 +0100
+++ ./test/stdlib/testsort.c	2018-01-09 22:07:44.394947924 +0100
@@ -1,3 +1,4 @@
+#define _BSD_SOURCE
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff -up ./test/stdlib/tst-calloc.c.tv ./test/stdlib/tst-calloc.c
--- ./test/stdlib/tst-calloc.c.tv	2003-12-15 14:07:42.000000000 +0100
+++ ./test/stdlib/tst-calloc.c	2018-01-09 22:08:20.981616423 +0100
@@ -17,6 +17,7 @@
    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 ./test/stdlib/tst-strtod.c.tv ./test/stdlib/tst-strtod.c
--- ./test/stdlib/tst-strtod.c.tv	2003-12-15 14:07:42.000000000 +0100
+++ ./test/stdlib/tst-strtod.c	2018-01-09 22:09:38.839039005 +0100
@@ -148,11 +148,11 @@ main (int argc, char ** argv)
       status = 1;
     }
 
-  const char input2[] = "+1.000000000116415321826934814453125";
-  if (strtold (input2, NULL) != +1.000000000116415321826934814453125)
+  const char input2[] = "+1.000000000116415321826934814453125L";
+  if (strtold (input2, NULL) != +1.000000000116415321826934814453125L)
     {
       printf ("input2: %La != %La\n", strtold (input2, NULL),
-	      +1.000000000116415321826934814453125);
+	      +1.000000000116415321826934814453125L);
       status = 1;
     }
 
diff -up ./test/getservbyname.c.tv ./test/getservbyname.c
--- ./test/getservbyname.c.tv	2003-12-15 14:07:42.000000000 +0100
+++ ./test/getservbyname.c	2018-01-09 22:20:11.283594798 +0100
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <netdb.h>
+#include <arpa/inet.h>
 
 int main(int argc,char *argv[]) {
   struct servent* se;