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-rw-r--r--src/m4/ax_vpp_find_jdk8.m416
1 files changed, 15 insertions, 1 deletions
diff --git a/src/m4/ax_vpp_find_jdk8.m4 b/src/m4/ax_vpp_find_jdk8.m4
index 29459822fb7..382a6c80e8f 100644
--- a/src/m4/ax_vpp_find_jdk8.m4
+++ b/src/m4/ax_vpp_find_jdk8.m4
@@ -4,7 +4,21 @@ AC_DEFUN([AX_VPP_FIND_JDK8],
[
while true
do
- test "${JAVA_HOME+set}" = set && break
+ if test "${JAVA_HOME+set}" = set ; then
+ AC_MSG_CHECKING([${JAVA_HOME} for Java 8 compiler])
+ JAVAC=${JAVA_HOME}/bin/javac
+ JAVAH=${JAVA_HOME}/bin/javah
+ JAR=${JAVA_HOME}/bin/jar
+ JAVA_VERSION=$(${JAVA_HOME}/bin/javac -source 8 -version 2>&1)
+ if test 0 -eq "$?"; then
+ JAVA_VERSION=$(echo "${JAVA_VERSION}" | cut -d\ -f2)
+ AC_MSG_RESULT([ok])
+ else
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Java in ${JAVA_HOME} (path specified in JAVA_HOME) cannot compile Java 8 code])
+ fi
+ break
+ fi
for dir in $(find /usr/lib/jvm/* -maxdepth 0 -type d); do
AC_MSG_CHECKING([${dir} for Java 8 compiler])