1 files changed, 29 insertions, 0 deletions
diff --git a/src/m4/ax_vpp_find_jdk8.m4 b/src/m4/ax_vpp_find_jdk8.m4
new file mode 100644
index 00000000000..29459822fb7
--- /dev/null
+++ b/src/m4/ax_vpp_find_jdk8.m4
@@ -0,0 +1,29 @@
+
+
+AC_DEFUN([AX_VPP_FIND_JDK8],
+[
+while true
+do
+  test "${JAVA_HOME+set}" = set && break
+
+  for dir in $(find /usr/lib/jvm/* -maxdepth 0 -type d); do
+    AC_MSG_CHECKING([${dir} for Java 8 compiler])
+    JAVA_VERSION=$(${dir}/bin/javac -source 8 -version 2>&1)
+    if test 0 -eq "$?"; then
+      JAVA_VERSION=$(echo "${JAVA_VERSION}" | cut -d\  -f2)
+      JAVA_HOME=${dir}
+      JAVAC=${dir}/bin/javac
+      JAVAH=${dir}/bin/javah
+      JAR=${dir}/bin/jar
+      AC_MSG_RESULT([found version $JAVA_VERSION])
+      break
+    else
+      JAVA_VERSION=""
+      AC_MSG_RESULT([no])
+    fi
+  done
+
+  test "${JAVA_HOME}set" = set && AC_MSG_ERROR([Could not find Java 8 compiler])
+  break
+done
+])