$NetBSD: patch-jdk_src_solaris_classes_java_lang_UNIXProcess.java.bsd,v 1.2 2015/06/09 15:03:43 tnn Exp $

* Under NetBSD 5, use fork instead of posix_spawn. NetBSD 5 has no posix_spawn.

+++ jdk/src/solaris/classes/java/lang/UNIXProcess.java.bsd
@@ -103,14 +103,28 @@ final class UNIXProcess extends Process 
                     helperpath = toCString(javahome + "/lib/jspawnhelper");
                 }
 
-                String s = System.getProperty(
-                    "jdk.lang.Process.launchMechanism", "posix_spawn");
-
-                try {
-                    return LaunchMechanism.valueOf(s.toUpperCase(Locale.ENGLISH));
-                } catch (IllegalArgumentException e) {
-                    throw new Error(s + " is not a supported " +
-                        "process launch mechanism on this platform.");
+/* NetBSD 5 does not have posix_spawn. Use fork instead. */
+                String osversion = System.getProperty("os.version");
+                if (osname.startsWith("NetBSD") && osversion.startsWith("5")) {
+                    String s = System.getProperty(
+                        "jdk.lang.Process.launchMechanism", "fork");
+
+                    try {
+                        return LaunchMechanism.valueOf(s.toUpperCase(Locale.ENGLISH));
+                    } catch (IllegalArgumentException e) {
+                        throw new Error(s + " is not a supported " +
+                            "process launch mechanism on this platform.");
+                    }
+                } else {
+                    String s = System.getProperty(
+                        "jdk.lang.Process.launchMechanism", "posix_spawn");
+
+                    try {
+                        return LaunchMechanism.valueOf(s.toUpperCase(Locale.ENGLISH));
+                    } catch (IllegalArgumentException e) {
+                        throw new Error(s + " is not a supported " +
+                            "process launch mechanism on this platform.");
+                    }
                 }
             }
         });