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diff configure.ac @ 15761:9f3656ada658

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configure.ac: Add warning message if JAVA_HOME variable is not set. * configure.ac: Add warning message if JAVA_HOME variable is not set.
author Rik <rik@octave.org>
date Sun, 09 Dec 2012 15:07:24 -0800
parents ea1a1fb00744
children 56239ff815a3
line wrap: on
line diff
--- a/configure.ac
+++ b/configure.ac
@@ -2220,7 +2220,7 @@
 
 HAVE_JAVA=no
 ## Grab JAVA_HOME from environment variable if it exists
-AC_ARG_VAR([JAVA_HOME], [path to Java installation])
+AC_ARG_VAR([JAVA_HOME], [path to Java JDK installation])
 JAVA_ARCH=
 JAVAC=
 JAR=
@@ -2232,6 +2232,11 @@
   warn_java=
 
   if test -z "$JAVA_HOME"; then
+    AC_MSG_WARN([JAVA_HOME environment variable not initialized.])
+    AC_MSG_WARN([Auto-detection will proceed but is unreliable.])
+  fi
+
+  if test -z "$JAVA_HOME"; then
     AC_CHECK_PROG(JAVA, java, java)
     AC_CHECK_PROG(JAVAC, javac, javac)
     AC_CHECK_PROG(JAR, jar, jar)