diff --git a/configure.in b/configure.in
index fbf2b5e3f0f8..b5f39812ad6f 100644
--- a/configure.in
+++ b/configure.in
@@ -3105,6 +3105,9 @@ AC_CACHE_CHECK(
             #ifdef linux
             #define _BSD_SOURCE 1
             #endif
+            #include <sys/types.h>
+            #include <netinet/in.h>
+            #include <arpa/nameser.h>
             #include <resolv.h>
             ],
             [int foo = res_ninit(&_res);],
diff --git a/extensions/auth/nsAuthGSSAPI.cpp b/extensions/auth/nsAuthGSSAPI.cpp
index 1308b822fbc2..acfefd8b3073 100644
--- a/extensions/auth/nsAuthGSSAPI.cpp
+++ b/extensions/auth/nsAuthGSSAPI.cpp
@@ -40,6 +40,9 @@ typedef KLStatus (*KLCacheHasValidTickets_type)(
 #endif
 
 #if defined(HAVE_RES_NINIT)
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
 #include <resolv.h>
 #endif
 
diff --git a/js/src/configure.in b/js/src/configure.in
index 933d8b74f21c..a5596763dec8 100644
--- a/js/src/configure.in
+++ b/js/src/configure.in
@@ -2554,6 +2554,9 @@ AC_CACHE_CHECK(
             #ifdef linux
             #define _BSD_SOURCE 1
             #endif
+            #include <sys/types.h>
+            #include <netinet/in.h>
+            #include <arpa/nameser.h>
             #include <resolv.h>
             ],
             [int foo = res_ninit(&_res);],