+
+unset(dirlist)
+
+macro(subdirlist dirlist dirpath)
+ file(GLOB dirs RELATIVE ${dirpath} ${dirpath}/*)
+ foreach(dir ${dirs})
+ if(IS_DIRECTORY ${dirpath}/${dir})
+ list(APPEND dirlist ${dirpath}/${dir})
+ endif()
+ endforeach()
+endmacro()
+
+list(APPEND dirlist $ENV{JAVA_HOME})
+subdirlist(dirlist /usr/lib/jvm)
+subdirlist(dirlist /usr/lib64/jvm)
+
+unset(JAVA_HOME_SET)
+find_path(JAVA_HOME_SET NAMES include/jni.h PATHS ${dirlist})
+if (NOT JAVA_HOME_SET)
+ message("JAVA_HOME is not found")
+else()
+ set(ENV{JAVA_HOME} "${JAVA_HOME_SET}")
+endif()
+
+message("JAVA_HOME: $ENV{JAVA_HOME}")
+