common/autoconf/basics.m4

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@@ -21,18 +21,27 @@
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
 
+# Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
+# If so, then append $1 to $2\
+# Also set JVM_ARG_OK to true/false depending on outcome.
 AC_DEFUN([ADD_JVM_ARG_IF_OK],
 [
-    # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3)
-    # If so, then append $1 to $2
-    FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn`
-    FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""`
+    $ECHO "Check if jvm arg is ok: $1" >&AS_MESSAGE_LOG_FD
+    $ECHO "Command: $3 $1 -version" >&AS_MESSAGE_LOG_FD
+    OUTPUT=`$3 $1 -version 2>&1`
+    FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
+    FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
     if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
         $2="[$]$2 $1"
+        JVM_ARG_OK=true
+    else
+        $ECHO "Arg failed:" >&AS_MESSAGE_LOG_FD
+        $ECHO "$OUTPUT" >&AS_MESSAGE_LOG_FD
+        JVM_ARG_OK=false
     fi
 ])
 
 # This will make sure the given variable points to a full and proper
 # path. This means: