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diff --git a/vpp-japi/m4/ax_java_options.m4 b/vpp-japi/m4/ax_java_options.m4
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+# ===========================================================================
+#      http://www.gnu.org/software/autoconf-archive/ax_java_options.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_JAVA_OPTIONS
+#
+# DESCRIPTION
+#
+#   AX_JAVA_OPTIONS adds configure command line options used for Java m4
+#   macros. This Macro is optional.
+#
+#   Note: This is part of the set of autoconf M4 macros for Java programs.
+#   It is VERY IMPORTANT that you download the whole set, some macros depend
+#   on other. Unfortunately, the autoconf archive does not support the
+#   concept of set of macros, so I had to break it for submission. The
+#   general documentation, as well as the sample configure.in, is included
+#   in the AX_PROG_JAVA macro.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Devin Weaver <ktohg@tritarget.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 6
+
+AU_ALIAS([AC_JAVA_OPTIONS], [AX_JAVA_OPTIONS])
+AC_DEFUN([AX_JAVA_OPTIONS],[
+AC_ARG_WITH(java-prefix,
+                        [  --with-java-prefix=PFX  prefix where Java runtime is installed (optional)])
+AC_ARG_WITH(javac-flags,
+                        [  --with-javac-flags=FLAGS flags to pass to the Java compiler (optional)])
+AC_ARG_WITH(java-flags,
+                        [  --with-java-flags=FLAGS flags to pass to the Java VM (optional)])
+JAVAPREFIX=$with_java_prefix
+JAVACFLAGS=$with_javac_flags
+JAVAFLAGS=$with_java_flags
+AC_SUBST(JAVAPREFIX)dnl
+AC_SUBST(JAVACFLAGS)dnl
+AC_SUBST(JAVAFLAGS)dnl
+AC_SUBST(JAVA)dnl
+AC_SUBST(JAVAC)dnl
+])