diff --git a/Makefile.in b/Makefile.in

index 33ff8fb..c22ce4c 100644

--- a/Makefile.in

+++ b/Makefile.in

@@ -213,6 +213,7 @@ install-cgi:

 install-other:

 	@test -d $(DESTDIR)$(logfiledir) || $(MKINSTALLDIRS) $(DESTDIR)$(logfiledir)

 	@test -d $(DESTDIR)$(runtimedir) || $(MKINSTALLDIRS) $(DESTDIR)$(runtimedir)

+	@test -d $(DESTDIR)$(statedir) || $(MKINSTALLDIRS) $(DESTDIR)$(statedir)

 	@for ext in dll x; do \

 		file=apachecore.$$ext; \

 		if test -f $$file; then \

diff --git a/acinclude.m4 b/acinclude.m4

index 0ad0c13..a8c2804 100644

--- a/acinclude.m4

+++ b/acinclude.m4

@@ -45,6 +45,7 @@ AC_DEFUN([APACHE_GEN_CONFIG_VARS],[

   APACHE_SUBST(installbuilddir)

   APACHE_SUBST(runtimedir)

   APACHE_SUBST(proxycachedir)

+  APACHE_SUBST(statedir)

   APACHE_SUBST(other_targets)

   APACHE_SUBST(progname)

   APACHE_SUBST(prefix)

@@ -663,6 +664,7 @@ AC_DEFUN([APACHE_EXPORT_ARGUMENTS],[

   APACHE_SUBST_EXPANDED_ARG(runtimedir)

   APACHE_SUBST_EXPANDED_ARG(logfiledir)

   APACHE_SUBST_EXPANDED_ARG(proxycachedir)

+  APACHE_SUBST_EXPANDED_ARG(statedir)

 ])

 dnl 

diff --git a/configure.in b/configure.in

index a208b53..de6a8ad 100644

--- a/configure.in

+++ b/configure.in

@@ -41,7 +41,7 @@ dnl Something seems broken here.

 AC_PREFIX_DEFAULT(/usr/local/apache2)

 dnl Get the layout here, so we can pass the required variables to apr

-APR_ENABLE_LAYOUT(Apache, [errordir iconsdir htdocsdir cgidir])

+APR_ENABLE_LAYOUT(Apache, [errordir iconsdir htdocsdir cgidir statedir])

 dnl reparse the configure arguments.

 APR_PARSE_ARGUMENTS

diff --git a/include/ap_config_layout.h.in b/include/ap_config_layout.h.in

index 2b4a70c..e076f41 100644

--- a/include/ap_config_layout.h.in

+++ b/include/ap_config_layout.h.in

@@ -60,5 +60,7 @@

 #define DEFAULT_REL_LOGFILEDIR "@rel_logfiledir@"

 #define DEFAULT_EXP_PROXYCACHEDIR "@exp_proxycachedir@"

 #define DEFAULT_REL_PROXYCACHEDIR "@rel_proxycachedir@"

+#define DEFAULT_EXP_STATEDIR "@exp_statedir@"

+#define DEFAULT_REL_STATEDIR "@rel_statedir@"

 #endif /* AP_CONFIG_LAYOUT_H */

diff --git a/include/http_config.h b/include/http_config.h

index adc5825..effccc1 100644

--- a/include/http_config.h

+++ b/include/http_config.h

@@ -757,6 +757,14 @@ AP_DECLARE(char *) ap_server_root_relative(apr_pool_t *p, const char *fname);

  */

 AP_DECLARE(char *) ap_runtime_dir_relative(apr_pool_t *p, const char *fname);

+/**

+ * Compute the name of a persistent state file (e.g. a database or

+ * long-lived cache) relative to the appropriate state directory.

+ * Absolute paths are returned as-is.  The state directory is

+ * configured via the DefaultStateDir directive or at build time.

+ */

+AP_DECLARE(char *) ap_state_dir_relative(apr_pool_t *p, const char *fname);

+

 /* Finally, the hook for dynamically loading modules in... */

 /**

diff --git a/modules/dav/fs/mod_dav_fs.c b/modules/dav/fs/mod_dav_fs.c

index addfd7e..2389f8f 100644

--- a/modules/dav/fs/mod_dav_fs.c

+++ b/modules/dav/fs/mod_dav_fs.c

@@ -29,6 +29,10 @@ typedef struct {

 extern module AP_MODULE_DECLARE_DATA dav_fs_module;

+#ifndef DEFAULT_DAV_LOCKDB

+#define DEFAULT_DAV_LOCKDB "davlockdb"

+#endif

+

 const char *dav_get_lockdb_path(const request_rec *r)

 {

     dav_fs_server_conf *conf;

@@ -57,6 +61,24 @@ static void *dav_fs_merge_server_config(apr_pool_t *p,

     return newconf;

 }

+static apr_status_t dav_fs_post_config(apr_pool_t *p, apr_pool_t *plog,

+                                       apr_pool_t *ptemp, server_rec *base_server)

+{

+    server_rec *s;

+

+    for (s = base_server; s; s = s->next) {

+        dav_fs_server_conf *conf;

+

+        conf = ap_get_module_config(s->module_config, &dav_fs_module);

+

+        if (!conf->lockdb_path) {

+            conf->lockdb_path = ap_state_dir_relative(p, DEFAULT_DAV_LOCKDB);

+        }

+    }

+

+    return OK;

+}

+

 /*

  * Command handler for the DAVLockDB directive, which is TAKE1

  */

@@ -87,6 +109,8 @@ static const command_rec dav_fs_cmds[] =

 static void register_hooks(apr_pool_t *p)

 {

+    ap_hook_post_config(dav_fs_post_config, NULL, NULL, APR_HOOK_MIDDLE);

+

     dav_hook_gather_propsets(dav_fs_gather_propsets, NULL, NULL,

                              APR_HOOK_MIDDLE);

     dav_hook_find_liveprop(dav_fs_find_liveprop, NULL, NULL, APR_HOOK_MIDDLE);

diff --git a/modules/md/mod_md_config.c b/modules/md/mod_md_config.c

index e968da3..b248cca 100644

--- a/modules/md/mod_md_config.c

+++ b/modules/md/mod_md_config.c

@@ -58,10 +58,18 @@

 #define MD_DEFAULT_STORE_DIR "state/md"

 #endif

+#ifndef MD_DEFAULT_BASE_DIR

+#define MD_DEFAULT_BASE_DIR "md"

+#endif

+

 /* Default settings for the global conf */

 static md_mod_conf_t defmc = {

     NULL,

-    MD_DEFAULT_STORE_DIR,

+#if 1

+    NULL, /* apply default state-dir-relative */

+#else

+    MD_DEFAULT_BASE_DIR,

+#endif

     NULL,

     NULL,

     80,

@@ -868,6 +876,12 @@ apr_status_t md_config_post_config(server_rec *s, apr_pool_t *p)

     if (mc->hsts_max_age > 0) {

         mc->hsts_header = apr_psprintf(p, "max-age=%d", mc->hsts_max_age);

     }

+

+#if 1

+    if (mc->base_dir == NULL) {

+        mc->base_dir = ap_state_dir_relative(p, MD_DEFAULT_BASE_DIR);

+    }

+#endif

     return APR_SUCCESS;

 }

diff --git a/server/core.c b/server/core.c

index ea786a3..0da1fd0 100644

--- a/server/core.c

+++ b/server/core.c

@@ -133,6 +133,8 @@ AP_DECLARE_DATA int ap_main_state = AP_SQ_MS_INITIAL_STARTUP;

 AP_DECLARE_DATA int ap_run_mode = AP_SQ_RM_UNKNOWN;

 AP_DECLARE_DATA int ap_config_generation = 0;

+static const char *core_state_dir;

+

 static void *create_core_dir_config(apr_pool_t *a, char *dir)

 {

     core_dir_config *conf;

@@ -1414,12 +1416,15 @@ AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)

     return res_buf;

 }

-static int reset_config_defines(void *dummy)

+/* pconf cleanup - clear global variables set from config here. */

+static apr_status_t reset_config(void *dummy)

 {

     ap_server_config_defines = saved_server_config_defines;

     saved_server_config_defines = NULL;

     server_config_defined_vars = NULL;

-    return OK;

+    core_state_dir = NULL;

+

+    return APR_SUCCESS;

 }

 /*

@@ -3115,6 +3120,24 @@ static const char *set_runtime_dir(cmd_parms *cmd, void *dummy, const char *arg)

     return NULL;

 }

+static const char *set_state_dir(cmd_parms *cmd, void *dummy, const char *arg)

+{

+    const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);

+

+    if (err != NULL) {

+        return err;

+    }

+

+    if ((apr_filepath_merge((char**)&core_state_dir, NULL,

+                            ap_server_root_relative(cmd->temp_pool, arg),

+                            APR_FILEPATH_TRUENAME, cmd->pool) != APR_SUCCESS)

+        || !ap_is_directory(cmd->temp_pool, core_state_dir)) {

+        return "DefaultStateDir must be a valid directory, absolute or relative to ServerRoot";

+    }

+

+    return NULL;

+}

+

 static const char *set_timeout(cmd_parms *cmd, void *dummy, const char *arg)

 {

     const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_CONTEXT);

@@ -4416,6 +4439,8 @@ AP_INIT_TAKE1("ServerRoot", set_server_root, NULL, RSRC_CONF | EXEC_ON_READ,

   "Common directory of server-related files (logs, confs, etc.)"),

 AP_INIT_TAKE1("DefaultRuntimeDir", set_runtime_dir, NULL, RSRC_CONF | EXEC_ON_READ,

   "Common directory for run-time files (shared memory, locks, etc.)"),

+AP_INIT_TAKE1("DefaultStateDir", set_state_dir, NULL, RSRC_CONF | EXEC_ON_READ,

+  "Common directory for persistent state (databases, long-lived caches, etc.)"),

 AP_INIT_TAKE1("ErrorLog", set_server_string_slot,

   (void *)APR_OFFSETOF(server_rec, error_fname), RSRC_CONF,

   "The filename of the error log"),

@@ -4943,8 +4968,7 @@ static int core_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptem

     if (!saved_server_config_defines)

         init_config_defines(pconf);

-    apr_pool_cleanup_register(pconf, NULL, reset_config_defines,

-                              apr_pool_cleanup_null);

+    apr_pool_cleanup_register(pconf, NULL, reset_config, apr_pool_cleanup_null);

     ap_regcomp_set_default_cflags(AP_REG_DOLLAR_ENDONLY);

@@ -5213,6 +5237,27 @@ AP_DECLARE(int) ap_state_query(int query)

     }

 }

+AP_DECLARE(char *) ap_state_dir_relative(apr_pool_t *p, const char *file)

+{

+    char *newpath = NULL;

+    apr_status_t rv;

+    const char *state_dir;

+

+    state_dir = core_state_dir

+        ? core_state_dir

+        : ap_server_root_relative(p, DEFAULT_REL_STATEDIR);

+

+    rv = apr_filepath_merge(&newpath, state_dir, file, APR_FILEPATH_TRUENAME, p);

+    if (newpath && (rv == APR_SUCCESS || APR_STATUS_IS_EPATHWILD(rv)

+                                      || APR_STATUS_IS_ENOENT(rv)

+                                      || APR_STATUS_IS_ENOTDIR(rv))) {

+        return newpath;

+    }

+    else {

+        return NULL;

+    }

+}

+

 static apr_random_t *rng = NULL;

 #if APR_HAS_THREADS

 static apr_thread_mutex_t *rng_mutex = NULL;