diff -rupN asterisk-14.1.2/build_tools/make_defaults_h asterisk-14.1.2-patched/build_tools/make_defaults_h
--- asterisk-14.1.2/build_tools/make_defaults_h	2016-11-10 20:43:02.000000000 +0100
+++ asterisk-14.1.2-patched/build_tools/make_defaults_h	2016-11-16 10:09:04.189625495 +0100
@@ -1,4 +1,13 @@
 #!/bin/sh
+
+ASTLOGDIR=/var/log/asterisk
+ASTVARRUNDIR=/run/asterisk
+ASTVARLIBDIR=/var/lib/asterisk
+ASTDBDIR=${ASTVARLIBDIR}
+ASTDATADIR=${ASTVARLIBDIR}
+AGI_DIR=${ASTDATADIR}/agi-bin
+ASTSPOOLDIR=/var/spool/asterisk
+
 cat << END
 /*
  * defaults.h 
@@ -9,21 +18,21 @@ cat << END
 
 #define DEFAULT_CONFIG_DIR "${INSTALL_PATH}${ASTETCDIR}"
 #define DEFAULT_MODULE_DIR "${INSTALL_PATH}${ASTMODDIR}"
-#define DEFAULT_AGI_DIR    "${INSTALL_PATH}${AGI_DIR}"
-#define DEFAULT_LOG_DIR    "${INSTALL_PATH}${ASTLOGDIR}"
+#define DEFAULT_AGI_DIR    "${AGI_DIR}"
+#define DEFAULT_LOG_DIR    "${ASTLOGDIR}"
 
-#define DEFAULT_RUN_DIR    "${INSTALL_PATH}${ASTVARRUNDIR}"
-#define DEFAULT_SOCKET     "${INSTALL_PATH}${ASTVARRUNDIR}/asterisk.ctl"
-#define DEFAULT_PID        "${INSTALL_PATH}${ASTVARRUNDIR}/asterisk.pid"
+#define DEFAULT_RUN_DIR    "${ASTVARRUNDIR}"
+#define DEFAULT_SOCKET     "${ASTVARRUNDIR}/asterisk.ctl"
+#define DEFAULT_PID        "${ASTVARRUNDIR}/asterisk.pid"
 
-#define DEFAULT_VAR_DIR    "${INSTALL_PATH}${ASTVARLIBDIR}"
-#define DEFAULT_DB         "${INSTALL_PATH}${ASTDBDIR}/astdb"
+#define DEFAULT_VAR_DIR    "${ASTVARLIBDIR}"
+#define DEFAULT_DB         "${ASTDBDIR}/astdb"
 
-#define DEFAULT_DATA_DIR   "${INSTALL_PATH}${ASTDATADIR}"
-#define DEFAULT_KEY_DIR    "${INSTALL_PATH}${ASTDATADIR}/keys"
+#define DEFAULT_DATA_DIR   "${ASTDATADIR}"
+#define DEFAULT_KEY_DIR    "${ASTDATADIR}/keys"
 
-#define DEFAULT_SPOOL_DIR  "${INSTALL_PATH}${ASTSPOOLDIR}"
-#define DEFAULT_TMP_DIR    "${INSTALL_PATH}${ASTSPOOLDIR}/tmp"
+#define DEFAULT_SPOOL_DIR  "${ASTSPOOLDIR}"
+#define DEFAULT_TMP_DIR    "${ASTSPOOLDIR}/tmp"
 
 #define DEFAULT_SBIN_DIR   "${INSTALL_PATH}${ASTSBINDIR}"
 END