diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 00185e8011a..e5b3507b8a3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2005-05-26  Mike Stump  <mrs@apple.com>
+
+	* objc.dg/isa-field-1.m: Only run on darwin.
+	* objc.dg/lookup-1.m: Likewise.
+	* objc.dg/try-catch-8.m: Likewise.
+
 2005-05-26  Roger Sayle  <roger@eyesopen.com>
 
 	PR tree-optimization/9814
diff --git a/gcc/testsuite/objc.dg/isa-field-1.m b/gcc/testsuite/objc.dg/isa-field-1.m
index 70edd0e02e1..6398b608d82 100644
--- a/gcc/testsuite/objc.dg/isa-field-1.m
+++ b/gcc/testsuite/objc.dg/isa-field-1.m
@@ -1,5 +1,5 @@
 /* Ensure there are no bizarre difficulties with accessing the 'isa' field of objects.  */
-/* { dg-do compile } */
+/* { dg-do compile { target *-*-darwin* } } */
 
 #include <objc/Object.h>
 
diff --git a/gcc/testsuite/objc.dg/lookup-1.m b/gcc/testsuite/objc.dg/lookup-1.m
index eaabcb2c049..71fc61ea04e 100644
--- a/gcc/testsuite/objc.dg/lookup-1.m
+++ b/gcc/testsuite/objc.dg/lookup-1.m
@@ -1,4 +1,4 @@
-/* { dg-do run } */
+/* { dg-do run { target *-*-darwin* } } */
 
 #include <objc/Object.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/objc.dg/try-catch-8.m b/gcc/testsuite/objc.dg/try-catch-8.m
index 384faa38114..1e5230edffe 100644
--- a/gcc/testsuite/objc.dg/try-catch-8.m
+++ b/gcc/testsuite/objc.dg/try-catch-8.m
@@ -3,7 +3,7 @@
 /* Developed by Ziemowit Laski <zlaski@apple.com>.  */
 
 /* { dg-options "-fobjc-exceptions -O2" } */
-/* { dg-do run } */
+/* { dg-do run { target *-*-darwin* } } */
 
 #include <objc/Object.h>
 #include <stdlib.h>