diff --git a/core/org.eclipse.cdt.core.aix/library/spawner.c b/core/org.eclipse.cdt.core.aix/library/spawner.c
index f07ce0221c9..b8707ca0e2b 100644
--- a/core/org.eclipse.cdt.core.aix/library/spawner.c
+++ b/core/org.eclipse.cdt.core.aix/library/spawner.c
@@ -249,23 +249,38 @@ Java_org_eclipse_cdt_utils_spawner_Spawner_raise(JNIEnv * env, jobject jobj,
 
     switch (sig) {
     case 0:                    /* NOOP */
-        status = kill(pid, 0);
+        status = killpg(pid, 0);
+        if(status == -1) {
+	        status = kill(pid, 0);
+        }
 	break;
 
     case 2:                    /* INTERRUPT */
-        status = kill(pid, SIGINT);
+        status = killpg(pid, SIGINT);
+        if(status == -1) {
+	        status = kill(pid, SIGINT);
+        }
 	break;
 
     case 9:                    /* KILL */
-        status = kill(pid, SIGKILL);
+        status = killpg(pid, SIGKILL);
+        if(status == -1) {
+        	status = kill(pid, SIGKILL);
+        }
 	break;
 
     case 15:                   /* TERM */
-        status = kill(pid, SIGTERM);
+        status = killpg(pid, SIGTERM);
+        if(status == -1) {
+    	    status = kill(pid, SIGTERM);
+        }
 	break;
 
     default:
-        status = kill(pid, sig);        /* WHAT ?? */
+        status = killpg(pid, sig);        /* WHAT ?? */
+        if(status == -1) {
+	        status = kill(pid, sig);        /* WHAT ?? */
+        }
 	break;
     }
 
diff --git a/core/org.eclipse.cdt.core.aix/os/aix/ppc/libpty.so b/core/org.eclipse.cdt.core.aix/os/aix/ppc/libpty.so
index 5a777eb82de..67ad7692422 100644
Binary files a/core/org.eclipse.cdt.core.aix/os/aix/ppc/libpty.so and b/core/org.eclipse.cdt.core.aix/os/aix/ppc/libpty.so differ
diff --git a/core/org.eclipse.cdt.core.aix/os/aix/ppc/libspawner.so b/core/org.eclipse.cdt.core.aix/os/aix/ppc/libspawner.so
index 19c8c1dd60e..e7b411361b0 100644
Binary files a/core/org.eclipse.cdt.core.aix/os/aix/ppc/libspawner.so and b/core/org.eclipse.cdt.core.aix/os/aix/ppc/libspawner.so differ