+if test "x$JAVA_CPPFLAGS" != "x"
+then
+ AC_MSG_NOTICE([Building with JAVA_CPPFLAGS set to: $JAVA_CPPFLAGS])
+fi
+if test "x$JAVA_CFLAGS" != "x"
+then
+ AC_MSG_NOTICE([Building with JAVA_CFLAGS set to: $JAVA_CFLAGS])
+fi
+if test "x$JAVA_LDFLAGS" != "x"
+then
+ AC_MSG_NOTICE([Building with JAVA_LDFLAGS set to: $JAVA_LDFLAGS])
+fi
+if test "x$JAVAC" = "x"
+then
+ with_javac_path="$PATH"
+ if test "x$with_java_home" != "x"
+ then
+ with_javac_path="$with_java_home:with_javac_path"
+ if test -d "$with_java_home/bin"
+ then
+ with_javac_path="$with_java_home/bin:with_javac_path"
+ fi
+ fi
+
+ AC_PATH_PROG(JAVAC, javac, [], "$with_javac_path")
+fi
+if test "x$JAVAC" = "x"
+then
+ with_java="no (javac not found)"
+fi
+if test "x$JAR" = "x"
+then
+ with_jar_path="$PATH"
+ if test "x$with_java_home" != "x"
+ then
+ with_jar_path="$with_java_home:$with_jar_path"
+ if test -d "$with_java_home/bin"
+ then
+ with_jar_path="$with_java_home/bin:$with_jar_path"
+ fi
+ fi
+
+ AC_PATH_PROG(JAR, jar, [], "$with_jar_path")
+fi
+if test "x$JAR" = "x"
+then
+ with_java="no (jar not found)"
+fi
+
+SAVE_CPPFLAGS="$CPPFLAGS"
+SAVE_CFLAGS="$CFLAGS"
+SAVE_LDFLAGS="$LDFLAGS"
+CPPFLAGS="$CPPFLAGS $JAVA_CPPFLAGS"
+CFLAGS="$CFLAGS $JAVA_CFLAGS"
+LDFLAGS="$LDFLAGS $JAVA_LDFLAGS"
+
+if test "x$with_java" = "xyes"
+then
+ AC_CHECK_HEADERS(jni.h, [], [with_java="no (jni.h not found)"])
+fi
+if test "x$with_java" = "xyes"
+then
+ AC_CHECK_LIB(jvm, JNI_CreateJavaVM,
+ [with_java="yes"],
+ [with_java="no (libjvm not found)"],
+ [$JAVA_LIBS])
+fi
+if test "x$with_java" = "xyes"
+then
+ JAVA_LIBS="$JAVA_LIBS -ljvm"
+ AC_MSG_NOTICE([Building with JAVA_LIBS set to: $JAVA_LIBS])
+fi
+
+CPPFLAGS="$SAVE_CPPFLAGS"
+CFLAGS="$SAVE_CFLAGS"
+LDFLAGS="$SAVE_LDFLAGS"
+
+AC_SUBST(JAVA_CPPFLAGS)
+AC_SUBST(JAVA_CFLAGS)
+AC_SUBST(JAVA_LDFLAGS)
+AC_SUBST(JAVA_LIBS)
+AM_CONDITIONAL(BUILD_WITH_JAVA, test "x$with_java" = "xyes")
+# }}}
+
+# --with-libmemcached {{{
+with_libmemcached_cppflags=""
+with_libmemcached_ldflags=""
+AC_ARG_WITH(libmemcached, [AS_HELP_STRING([--with-libmemcached@<:@=PREFIX@:>@], [Path to libmemcached.])],
+[
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"
+ then
+ with_libmemcached_cppflags="-I$withval/include"
+ with_libmemcached_ldflags="-L$withval/lib"
+ with_libmemcached="yes"
+ else
+ with_libmemcached="$withval"
+ fi
+],
+[
+ with_libmemcached="yes"
+])
+if test "x$with_libmemcached" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_libmemcached_cppflags"
+
+ AC_CHECK_HEADERS(libmemcached/memcached.h, [with_libmemcached="yes"], [with_libmemcached="no (libmemcached/memcached.h not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libmemcached" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ SAVE_LDFLAGS="$LDFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_libmemcached_cppflags"
+ LDFLAGS="$LDFLAGS $with_libmemcached_ldflags"
+
+ AC_CHECK_LIB(memcached, memcached_create, [with_libmemcached="yes"], [with_libmemcached="no (Symbol 'memcached_create' not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+ LDFLAGS="$SAVE_LDFLAGS"
+fi
+if test "x$with_libmemcached" = "xyes"
+then
+ BUILD_WITH_LIBMEMCACHED_CPPFLAGS="$with_libmemcached_cppflags"
+ BUILD_WITH_LIBMEMCACHED_LDFLAGS="$with_libmemcached_ldflags"
+ BUILD_WITH_LIBMEMCACHED_LIBS="-lmemcached"
+ AC_SUBST(BUILD_WITH_LIBMEMCACHED_CPPFLAGS)
+ AC_SUBST(BUILD_WITH_LIBMEMCACHED_LDFLAGS)
+ AC_SUBST(BUILD_WITH_LIBMEMCACHED_LIBS)
+ AC_DEFINE(HAVE_LIBMEMCACHED, 1, [Define if libmemcached is present and usable.])
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBMEMCACHED, test "x$with_libmemcached" = "xyes")
+# }}}
+
+# --with-libmodbus {{{
+with_libmodbus_config=""
+with_libmodbus_cflags=""
+with_libmodbus_libs=""
+AC_ARG_WITH(libmodbus, [AS_HELP_STRING([--with-libmodbus@<:@=PREFIX@:>@], [Path to the modbus library.])],
+[
+ if test "x$withval" = "xno"
+ then
+ with_libmodbus="no"
+ else if test "x$withval" = "xyes"
+ then
+ with_libmodbus="use_pkgconfig"
+ else if test -d "$with_libmodbus/lib"
+ then
+ AC_MSG_NOTICE([Not checking for libmodbus: Manually configured])
+ with_libmodbus_cflags="-I$withval/include"
+ with_libmodbus_libs="-L$withval/lib -lmodbus"
+ with_libmodbus="yes"
+ fi; fi; fi
+],
+[with_libmodbus="use_pkgconfig"])
+
+# configure using pkg-config
+if test "x$with_libmodbus" = "xuse_pkgconfig"
+then
+ if test "x$PKG_CONFIG" = "x"
+ then
+ with_libmodbus="no (Don't have pkg-config)"
+ fi
+fi
+if test "x$with_libmodbus" = "xuse_pkgconfig"
+then
+ AC_MSG_NOTICE([Checking for modbus using $PKG_CONFIG])
+ $PKG_CONFIG --exists 'modbus' 2>/dev/null
+ if test $? -ne 0
+ then
+ with_libmodbus="no (pkg-config doesn't know library)"
+ fi
+fi
+if test "x$with_libmodbus" = "xuse_pkgconfig"
+then
+ with_libmodbus_cflags="`$PKG_CONFIG --cflags 'modbus'`"
+ if test $? -ne 0
+ then
+ with_libmodbus="no ($PKG_CONFIG failed)"
+ fi
+ with_libmodbus_libs="`$PKG_CONFIG --libs 'modbus'`"
+ if test $? -ne 0
+ then
+ with_libmodbus="no ($PKG_CONFIG failed)"
+ fi
+fi
+if test "x$with_libmodbus" = "xuse_pkgconfig"
+then
+ with_libmodbus="yes"
+fi
+
+# with_libmodbus_cflags and with_libmodbus_libs are set up now, let's do
+# the actual checks.
+if test "x$with_libmodbus" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_libmodbus_cflags"
+
+ AC_CHECK_HEADERS(modbus/modbus.h, [], [with_libmodbus="no (modbus/modbus.h not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+if test "x$with_libmodbus" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ SAVE_LDFLAGS="$LDFLAGS"
+
+ CPPFLAGS="$CPPFLAGS $with_libmodbus_cflags"
+ LDFLAGS="$LDFLAGS $with_libmodbus_libs"
+
+ AC_CHECK_LIB(modbus, modbus_init_tcp,
+ [with_libmodbus="yes"],
+ [with_libmodbus="no (symbol modbus_init_tcp not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+ LDFLAGS="$SAVE_LDFLAGS"
+fi
+if test "x$with_libmodbus" = "xyes"
+then
+ BUILD_WITH_LIBMODBUS_CFLAGS="$with_libmodbus_cflags"
+ BUILD_WITH_LIBMODBUS_LIBS="$with_libmodbus_libs"
+ AC_SUBST(BUILD_WITH_LIBMODBUS_CFLAGS)
+ AC_SUBST(BUILD_WITH_LIBMODBUS_LIBS)
+fi
+# }}}
+
+# --with-libmysql {{{
+with_mysql_config="mysql_config"
+with_mysql_cflags=""
+with_mysql_libs=""
+AC_ARG_WITH(libmysql, [AS_HELP_STRING([--with-libmysql@<:@=PREFIX@:>@], [Path to libmysql.])],
+[
+ if test "x$withval" = "xno"
+ then
+ with_libmysql="no"
+ else if test "x$withval" = "xyes"
+ then
+ with_libmysql="yes"
+ else
+ if test -f "$withval" && test -x "$withval";
+ then
+ with_mysql_config="$withval"
+ else if test -x "$withval/bin/mysql_config"
+ then
+ with_mysql_config="$withval/bin/mysql_config"
+ fi; fi
+ with_libmysql="yes"
+ fi; fi
+],
+[
+ with_libmysql="yes"
+])
+if test "x$with_libmysql" = "xyes"
+then
+ with_mysql_cflags=`$with_mysql_config --cflags 2>/dev/null`
+ mysql_config_status=$?
+
+ if test $mysql_config_status -ne 0
+ then
+ with_libmysql="no ($with_mysql_config failed)"
+ else
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_mysql_cflags"
+
+ have_mysql_h="no"
+ have_mysql_mysql_h="no"
+ AC_CHECK_HEADERS(mysql.h, [have_mysql_h="yes"])
+
+ if test "x$have_mysql_h" = "xno"
+ then
+ AC_CHECK_HEADERS(mysql/mysql.h, [have_mysql_mysql_h="yes"])
+ fi
+
+ if test "x$have_mysql_h$have_mysql_mysql_h" = "xnono"
+ then
+ with_libmysql="no (mysql.h not found)"
+ fi
+
+ CPPFLAGS="$SAVE_CPPFLAGS"