3 files changed, 5 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/mi6.c b/gcc/testsuite/gcc.dg/cpp/trad/mi6.c
index aa1c8ed2ec5..c3af2d3f237 100644
--- a/gcc/testsuite/gcc.dg/cpp/trad/mi6.c
+++ b/gcc/testsuite/gcc.dg/cpp/trad/mi6.c
@@ -5,6 +5,8 @@
 /* { dg-do compile } */
 /* { dg-options "" } */
 
+extern void abort (void);
+
 /* Each include file should not be subject to MI optimisation, since
    macro definitions can change.  Each header increments the variable
    VAR if it is defined.
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/paste.c b/gcc/testsuite/gcc.dg/cpp/trad/paste.c
index 9f1c0db3291..9b83fd30f4e 100644
--- a/gcc/testsuite/gcc.dg/cpp/trad/paste.c
+++ b/gcc/testsuite/gcc.dg/cpp/trad/paste.c
@@ -4,6 +4,8 @@
 
 /* { dg-do compile } */
 
+extern int printf (const char *, ...);
+
 #define A(name) X/**/name
 
 #define B(name) \
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/strify.c b/gcc/testsuite/gcc.dg/cpp/trad/strify.c
index 500ef1ea32f..d97a439709c 100644
--- a/gcc/testsuite/gcc.dg/cpp/trad/strify.c
+++ b/gcc/testsuite/gcc.dg/cpp/trad/strify.c
@@ -4,6 +4,7 @@
 #define foo(a, b) c="a"; d="b";
 
 extern void abort ();
+extern void exit (int);
 
 int main ()
 {