AC_PROG_CC
AC_PROG_CC_STDC
AC_PROG_CXX
+AX_CXX_COMPILE_STDCXX([11])
RW_PROG_CXX_WORKS
AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
AX_PROG_JAVAC
AX_PROG_JAVA
AX_PROG_JAR
+ AC_ARG_VAR([CLASSPATH], [Java class path])
AX_JNI_INCLUDE_DIR
for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS