4 files changed, 4 insertions, 12 deletions
diff --git a/libgomp/testsuite/libgomp.c/affinity-1.c b/libgomp/testsuite/libgomp.c/affinity-1.c
index a1a2a12e56c..21f344cada3 100644
--- a/libgomp/testsuite/libgomp.c/affinity-1.c
+++ b/libgomp/testsuite/libgomp.c/affinity-1.c
@@ -31,7 +31,7 @@
 
 #ifdef DO_FORK
 #include <signal.h>
-pid_t waitpid (pid_t, int *, int);
+#include <sys/wait.h>
 #endif
 #ifdef HAVE_PTHREAD_AFFINITY_NP
 #include <sched.h>
diff --git a/libgomp/testsuite/libgomp.c/nqueens-1.c b/libgomp/testsuite/libgomp.c/nqueens-1.c
index ed6c17921ea..9742b7a18df 100644
--- a/libgomp/testsuite/libgomp.c/nqueens-1.c
+++ b/libgomp/testsuite/libgomp.c/nqueens-1.c
@@ -5,8 +5,8 @@
 #include <omp.h>
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>
 
-unsigned long int strtoul(const char *, char **, int);
 int cnt;
 #pragma omp threadprivate (cnt)
 
diff --git a/libgomp/testsuite/libgomp.c/thread-limit-1.c b/libgomp/testsuite/libgomp.c/thread-limit-1.c
index 7571f23e24d..1d9794a7a4f 100644
--- a/libgomp/testsuite/libgomp.c/thread-limit-1.c
+++ b/libgomp/testsuite/libgomp.c/thread-limit-1.c
@@ -3,11 +3,7 @@
 
 #include <stdlib.h>
 #include <unistd.h>
-
-extern int omp_get_thread_limit (void);
-extern int omp_set_dynamic (int);
-extern void omp_set_nested (int);
-extern int omp_get_num_threads (void);
+#include <omp.h>
 
 int
 main ()
diff --git a/libgomp/testsuite/libgomp.c/thread-limit-2.c b/libgomp/testsuite/libgomp.c/thread-limit-2.c
index ca9ad23b31f..1a97fb62985 100644
--- a/libgomp/testsuite/libgomp.c/thread-limit-2.c
+++ b/libgomp/testsuite/libgomp.c/thread-limit-2.c
@@ -3,11 +3,7 @@
 
 #include <stdlib.h>
 #include <unistd.h>
-
-extern int omp_get_thread_limit (void);
-extern int omp_set_dynamic (int);
-extern void omp_set_nested (int);
-extern int omp_get_num_threads (void);
+#include <omp.h>
 
 int
 main ()