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diff build-aux/OctJavaQry.java @ 15763:56239ff815a3

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build: Overhaul auto-detection of Java when JAVA_HOME is not set. * build-aux/OctJavaQry.class: Compiled code to help configure determine installation directories. Exported in tarball. * build-aux/OctJavaQry.java: Java code to help configure determine installation directories. * Makefile.am: Export OctJavaQry.class code in tarball. * configure.ac: If JAVA_HOME is unset, attempt to find a Java executable. Use java executable and Java code to try and determine necessary directories. * libinterp/octave-value/ov-java.cc: Use JAVA_LDPATH variable to find libjvm.
author Rik <rik@octave.org>
date Mon, 10 Dec 2012 13:15:08 -0800
parents
children fafd51a1b0f0
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new file mode 100644
--- /dev/null
+++ b/build-aux/OctJavaQry.java
@@ -0,0 +1,19 @@
+// Code used by configure script to locate Java installation variables.
+// Only compiled code, OctJavaQry.class, is distributed.
+public class OctJavaQry
+{
+  public static void main (String[] args)
+  {
+    if (args.length > 0)
+    {
+      if (args[0].equals ("JAVA_HOME"))
+      {
+        System.out.println (System.getProperty ("java.home"));
+      }
+      else if (args[0].equals ("JAVA_LDPATH"))
+      {
+        System.out.println (System.getProperty ("java.library.path"));
+      }
+    }
+  }
+}