[config] move default configs to src/core/config (#4020)
diff --git a/src/core/Makefile.am b/src/core/Makefile.am
index 0e66b9b..1749c87 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -28,38 +28,38 @@
 
 include $(abs_top_nlbuild_autotools_dir)/automake/pre.am
 
-lib_LIBRARIES                       = $(NULL)
+lib_LIBRARIES                              = $(NULL)
 
 if OPENTHREAD_ENABLE_FTD
-lib_LIBRARIES                      += libopenthread-ftd.a
+lib_LIBRARIES                             += libopenthread-ftd.a
 endif
 
 if OPENTHREAD_ENABLE_MTD
-lib_LIBRARIES                      += libopenthread-mtd.a
+lib_LIBRARIES                             += libopenthread-mtd.a
 endif
 
 if OPENTHREAD_ENABLE_RADIO_ONLY
-lib_LIBRARIES                      += libopenthread-radio.a
+lib_LIBRARIES                             += libopenthread-radio.a
 endif
 
-CPPFLAGS_COMMON                     = \
-    -I$(top_srcdir)/include           \
-    $(OPENTHREAD_TARGET_DEFINES)      \
+CPPFLAGS_COMMON                            = \
+    -I$(top_srcdir)/include                  \
+    $(OPENTHREAD_TARGET_DEFINES)             \
     $(NULL)
 
-libopenthread_radio_a_CPPFLAGS      = \
-    $(CPPFLAGS_COMMON)                \
-    -DOPENTHREAD_RADIO=1              \
+libopenthread_radio_a_CPPFLAGS             = \
+    $(CPPFLAGS_COMMON)                       \
+    -DOPENTHREAD_RADIO=1                     \
     $(NULL)
 
-libopenthread_ftd_a_CPPFLAGS        = \
-    $(CPPFLAGS_COMMON)                \
-    -DOPENTHREAD_FTD=1                \
+libopenthread_ftd_a_CPPFLAGS               = \
+    $(CPPFLAGS_COMMON)                       \
+    -DOPENTHREAD_FTD=1                       \
     $(NULL)
 
-libopenthread_mtd_a_CPPFLAGS        = \
-    $(CPPFLAGS_COMMON)                \
-    -DOPENTHREAD_MTD=1                \
+libopenthread_mtd_a_CPPFLAGS               = \
+    $(CPPFLAGS_COMMON)                       \
+    -DOPENTHREAD_MTD=1                       \
     $(NULL)
 
 #------------------------------------------------------
@@ -101,174 +101,174 @@
 #     unit"
 #
 
-SOURCES_COMMON                      = \
-    api/border_router_api.cpp         \
-    api/channel_manager_api.cpp       \
-    api/channel_monitor_api.cpp       \
-    api/child_supervision_api.cpp     \
-    api/coap_api.cpp                  \
-    api/coap_secure_api.cpp           \
-    api/commissioner_api.cpp          \
-    api/crypto_api.cpp                \
-    api/dataset_api.cpp               \
-    api/dataset_ftd_api.cpp           \
-    api/diags_api.cpp                 \
-    api/dns_api.cpp                   \
-    api/entropy_api.cpp               \
-    api/icmp6_api.cpp                 \
-    api/instance_api.cpp              \
-    api/ip6_api.cpp                   \
-    api/jam_detection_api.cpp         \
-    api/joiner_api.cpp                \
-    api/link_api.cpp                  \
-    api/link_raw_api.cpp              \
-    api/logging_api.cpp               \
-    api/message_api.cpp               \
-    api/netdata_api.cpp               \
-    api/network_time_api.cpp          \
-    api/random_crypto_api.cpp         \
-    api/random_noncrypto_api.cpp      \
-    api/server_api.cpp                \
-    api/sntp_api.cpp                  \
-    api/tasklet_api.cpp               \
-    api/thread_api.cpp                \
-    api/thread_ftd_api.cpp            \
-    api/udp_api.cpp                   \
-    coap/coap.cpp                     \
-    coap/coap_message.cpp             \
-    coap/coap_secure.cpp              \
-    common/crc16.cpp                  \
-    common/instance.cpp               \
-    common/logging.cpp                \
-    common/message.cpp                \
-    common/notifier.cpp               \
-    common/random_manager.cpp         \
-    common/settings.cpp               \
-    common/string.cpp                 \
-    common/tasklet.cpp                \
-    common/timer.cpp                  \
-    common/tlvs.cpp                   \
-    common/trickle_timer.cpp          \
-    crypto/aes_ccm.cpp                \
-    crypto/aes_ecb.cpp                \
-    crypto/ecdsa.cpp                  \
-    crypto/hmac_sha256.cpp            \
-    crypto/mbedtls.cpp                \
-    crypto/pbkdf2_cmac.cpp            \
-    crypto/sha256.cpp                 \
-    diags/factory_diags.cpp           \
-    mac/channel_mask.cpp              \
-    mac/data_poll_handler.cpp         \
-    mac/data_poll_sender.cpp          \
-    mac/link_raw.cpp                  \
-    mac/mac.cpp                       \
-    mac/mac_filter.cpp                \
-    mac/mac_frame.cpp                 \
-    mac/sub_mac.cpp                   \
-    mac/sub_mac_callbacks.cpp         \
-    meshcop/announce_begin_client.cpp \
-    meshcop/border_agent.cpp          \
-    meshcop/commissioner.cpp          \
-    meshcop/dataset.cpp               \
-    meshcop/dataset_local.cpp         \
-    meshcop/dataset_manager.cpp       \
-    meshcop/dataset_manager_ftd.cpp   \
-    meshcop/dtls.cpp                  \
-    meshcop/energy_scan_client.cpp    \
-    meshcop/joiner.cpp                \
-    meshcop/joiner_router.cpp         \
-    meshcop/leader.cpp                \
-    meshcop/meshcop.cpp               \
-    meshcop/meshcop_tlvs.cpp          \
-    meshcop/panid_query_client.cpp    \
-    meshcop/timestamp.cpp             \
-    net/dhcp6_client.cpp              \
-    net/dhcp6_server.cpp              \
-    net/dns_client.cpp                \
-    net/icmp6.cpp                     \
-    net/ip6.cpp                       \
-    net/ip6_address.cpp               \
-    net/ip6_filter.cpp                \
-    net/ip6_headers.cpp               \
-    net/ip6_mpl.cpp                   \
-    net/netif.cpp                     \
-    net/sntp_client.cpp               \
-    net/udp6.cpp                      \
-    phy/radio_weak.cpp                \
-    thread/address_resolver.cpp       \
-    thread/announce_begin_server.cpp  \
-    thread/announce_sender.cpp        \
-    thread/child_table.cpp            \
-    thread/device_mode.cpp            \
-    thread/energy_scan_server.cpp     \
-    thread/indirect_sender.cpp        \
-    thread/key_manager.cpp            \
-    thread/link_quality.cpp           \
-    thread/lowpan.cpp                 \
-    thread/mesh_forwarder.cpp         \
-    thread/mesh_forwarder_ftd.cpp     \
-    thread/mesh_forwarder_mtd.cpp     \
-    thread/mle.cpp                    \
-    thread/mle_router.cpp             \
-    thread/network_data.cpp           \
-    thread/network_data_leader.cpp    \
-    thread/network_data_leader_ftd.cpp \
-    thread/network_data_local.cpp     \
-    thread/network_diagnostic.cpp     \
-    thread/panid_query_server.cpp     \
-    thread/router_table.cpp           \
-    thread/src_match_controller.cpp   \
-    thread/thread_netif.cpp           \
-    thread/time_sync_service.cpp      \
-    thread/topology.cpp               \
-    utils/channel_manager.cpp         \
-    utils/channel_monitor.cpp         \
-    utils/child_supervision.cpp       \
-    utils/heap.cpp                    \
-    utils/jam_detector.cpp            \
-    utils/missing_strlcat.c           \
-    utils/missing_strlcpy.c           \
-    utils/missing_strnlen.c           \
-    utils/parse_cmdline.cpp           \
-    utils/slaac_address.cpp           \
+SOURCES_COMMON                             = \
+    api/border_router_api.cpp                \
+    api/channel_manager_api.cpp              \
+    api/channel_monitor_api.cpp              \
+    api/child_supervision_api.cpp            \
+    api/coap_api.cpp                         \
+    api/coap_secure_api.cpp                  \
+    api/commissioner_api.cpp                 \
+    api/crypto_api.cpp                       \
+    api/dataset_api.cpp                      \
+    api/dataset_ftd_api.cpp                  \
+    api/diags_api.cpp                        \
+    api/dns_api.cpp                          \
+    api/entropy_api.cpp                      \
+    api/icmp6_api.cpp                        \
+    api/instance_api.cpp                     \
+    api/ip6_api.cpp                          \
+    api/jam_detection_api.cpp                \
+    api/joiner_api.cpp                       \
+    api/link_api.cpp                         \
+    api/link_raw_api.cpp                     \
+    api/logging_api.cpp                      \
+    api/message_api.cpp                      \
+    api/netdata_api.cpp                      \
+    api/network_time_api.cpp                 \
+    api/random_crypto_api.cpp                \
+    api/random_noncrypto_api.cpp             \
+    api/server_api.cpp                       \
+    api/sntp_api.cpp                         \
+    api/tasklet_api.cpp                      \
+    api/thread_api.cpp                       \
+    api/thread_ftd_api.cpp                   \ 
+    api/udp_api.cpp                          \
+    coap/coap.cpp                            \
+    coap/coap_message.cpp                    \
+    coap/coap_secure.cpp                     \
+    common/crc16.cpp                         \
+    common/instance.cpp                      \
+    common/logging.cpp                       \
+    common/message.cpp                       \
+    common/notifier.cpp                      \
+    common/random_manager.cpp                \
+    common/settings.cpp                      \
+    common/string.cpp                        \
+    common/tasklet.cpp                       \
+    common/timer.cpp                         \
+    common/tlvs.cpp                          \
+    common/trickle_timer.cpp                 \
+    crypto/aes_ccm.cpp                       \
+    crypto/aes_ecb.cpp                       \
+    crypto/ecdsa.cpp                         \
+    crypto/hmac_sha256.cpp                   \
+    crypto/mbedtls.cpp                       \
+    crypto/pbkdf2_cmac.cpp                   \
+    crypto/sha256.cpp                        \
+    diags/factory_diags.cpp                  \
+    mac/channel_mask.cpp                     \
+    mac/data_poll_handler.cpp                \
+    mac/data_poll_sender.cpp                 \
+    mac/link_raw.cpp                         \
+    mac/mac.cpp                              \
+    mac/mac_filter.cpp                       \
+    mac/mac_frame.cpp                        \
+    mac/sub_mac.cpp                          \
+    mac/sub_mac_callbacks.cpp                \
+    meshcop/announce_begin_client.cpp        \
+    meshcop/border_agent.cpp                 \
+    meshcop/commissioner.cpp                 \
+    meshcop/dataset.cpp                      \
+    meshcop/dataset_local.cpp                \
+    meshcop/dataset_manager.cpp              \
+    meshcop/dataset_manager_ftd.cpp          \
+    meshcop/dtls.cpp                         \
+    meshcop/energy_scan_client.cpp           \
+    meshcop/joiner.cpp                       \
+    meshcop/joiner_router.cpp                \
+    meshcop/leader.cpp                       \
+    meshcop/meshcop.cpp                      \
+    meshcop/meshcop_tlvs.cpp                 \
+    meshcop/panid_query_client.cpp           \
+    meshcop/timestamp.cpp                    \
+    net/dhcp6_client.cpp                     \
+    net/dhcp6_server.cpp                     \
+    net/dns_client.cpp                       \
+    net/icmp6.cpp                            \
+    net/ip6.cpp                              \
+    net/ip6_address.cpp                      \
+    net/ip6_filter.cpp                       \
+    net/ip6_headers.cpp                      \
+    net/ip6_mpl.cpp                          \
+    net/netif.cpp                            \
+    net/sntp_client.cpp                      \
+    net/udp6.cpp                             \
+    phy/radio_weak.cpp                       \
+    thread/address_resolver.cpp              \
+    thread/announce_begin_server.cpp         \
+    thread/announce_sender.cpp               \
+    thread/child_table.cpp                   \
+    thread/device_mode.cpp                   \
+    thread/energy_scan_server.cpp            \
+    thread/indirect_sender.cpp               \
+    thread/key_manager.cpp                   \
+    thread/link_quality.cpp                  \
+    thread/lowpan.cpp                        \
+    thread/mesh_forwarder.cpp                \
+    thread/mesh_forwarder_ftd.cpp            \
+    thread/mesh_forwarder_mtd.cpp            \
+    thread/mle.cpp                           \
+    thread/mle_router.cpp                    \
+    thread/network_data.cpp                  \
+    thread/network_data_leader.cpp           \
+    thread/network_data_leader_ftd.cpp       \
+    thread/network_data_local.cpp            \
+    thread/network_diagnostic.cpp            \
+    thread/panid_query_server.cpp            \
+    thread/router_table.cpp                  \
+    thread/src_match_controller.cpp          \
+    thread/thread_netif.cpp                  \
+    thread/time_sync_service.cpp             \
+    thread/topology.cpp                      \
+    utils/channel_manager.cpp                \
+    utils/channel_monitor.cpp                \
+    utils/child_supervision.cpp              \
+    utils/heap.cpp                           \
+    utils/jam_detector.cpp                   \
+    utils/missing_strlcat.c                  \
+    utils/missing_strlcpy.c                  \
+    utils/missing_strnlen.c                  \
+    utils/parse_cmdline.cpp                  \
+    utils/slaac_address.cpp                  \
     $(NULL)
 
-EXTRA_DIST                          = \
-    common/extension_example.cpp      \
+EXTRA_DIST                                 = \
+    common/extension_example.cpp             \
     $(NULL)
 
-libopenthread_radio_a_SOURCES       = \
-    api/diags_api.cpp                 \
-    api/instance_api.cpp              \
-    api/link_raw_api.cpp              \
-    api/logging_api.cpp               \
-    api/random_noncrypto_api.cpp      \
-    api/tasklet_api.cpp               \
-    common/instance.cpp               \
-    common/logging.cpp                \
-    common/random_manager.cpp         \
-    common/string.cpp                 \
-    common/tasklet.cpp                \
-    common/timer.cpp                  \
-    diags/factory_diags.cpp           \
-    mac/link_raw.cpp                  \
-    mac/mac_frame.cpp                 \
-    mac/sub_mac.cpp                   \
-    mac/sub_mac_callbacks.cpp         \
-    phy/radio_weak.cpp                \
-    thread/link_quality.cpp           \
-    utils/missing_strlcat.c           \
-    utils/missing_strlcpy.c           \
-    utils/missing_strnlen.c           \
-    utils/parse_cmdline.cpp           \
+libopenthread_radio_a_SOURCES              = \
+    api/diags_api.cpp                        \
+    api/instance_api.cpp                     \
+    api/link_raw_api.cpp                     \
+    api/logging_api.cpp                      \
+    api/random_noncrypto_api.cpp             \
+    api/tasklet_api.cpp                      \
+    common/instance.cpp                      \
+    common/logging.cpp                       \
+    common/random_manager.cpp                \
+    common/string.cpp                        \
+    common/tasklet.cpp                       \
+    common/timer.cpp                         \
+    diags/factory_diags.cpp                  \
+    mac/link_raw.cpp                         \
+    mac/mac_frame.cpp                        \
+    mac/sub_mac.cpp                          \
+    mac/sub_mac_callbacks.cpp                \
+    phy/radio_weak.cpp                       \
+    thread/link_quality.cpp                  \
+    utils/missing_strlcat.c                  \
+    utils/missing_strlcpy.c                  \
+    utils/missing_strnlen.c                  \
+    utils/parse_cmdline.cpp                  \
     $(NULL)
 
-libopenthread_mtd_a_SOURCES         = \
-    $(SOURCES_COMMON)                 \
+libopenthread_mtd_a_SOURCES                = \
+    $(SOURCES_COMMON)                        \
     $(NULL)
 
-libopenthread_ftd_a_SOURCES         = \
-    $(SOURCES_COMMON)                 \
+libopenthread_ftd_a_SOURCES                = \
+    $(SOURCES_COMMON)                        \
     $(NULL)
 
 if OPENTHREAD_ENABLE_VENDOR_EXTENSION
@@ -279,153 +279,153 @@
 
 # "nodist_" prefix tells automake not to include in 'make dist'
 
-nodist_libopenthread_ftd_a_SOURCES =   \
-    vendor_extension_temp.cpp          \
+nodist_libopenthread_ftd_a_SOURCES         = \
+    vendor_extension_temp.cpp                \
     $(NULL)
 
-nodist_libopenthread_mtd_a_SOURCES =   \
-    vendor_extension_temp.cpp          \
+nodist_libopenthread_mtd_a_SOURCES         = \
+    vendor_extension_temp.cpp                \
     $(NULL)
 
-nodist_libopenthread_radio_a_SOURCES = \
-    vendor_extension_temp.cpp          \
+nodist_libopenthread_radio_a_SOURCES       = \
+    vendor_extension_temp.cpp                \
     $(NULL)
 
 endif # OPENTHREAD_ENABLE_VENDOR_EXTENSION
 
-HEADERS_COMMON                      = \
-    openthread-core-config-check.h    \
-    openthread-core-config.h          \
-    openthread-core-default-config.h  \
-    coap/coap.hpp                     \
-    coap/coap_message.hpp             \
-    coap/coap_secure.hpp              \
-    common/code_utils.hpp             \
-    common/crc16.hpp                  \
-    common/debug.hpp                  \
-    common/encoding.hpp               \
-    common/extension.hpp              \
-    common/instance.hpp               \
-    common/locator.hpp                \
-    common/locator-getters.hpp        \
-    common/logging.hpp                \
-    common/message.hpp                \
-    common/new.hpp                    \
-    common/notifier.hpp               \
-    common/random.hpp                 \
-    common/random_manager.hpp         \
-    common/settings.hpp               \
-    common/string.hpp                 \
-    common/tasklet.hpp                \
-    common/timer.hpp                  \
-    common/tlvs.hpp                   \
-    common/trickle_timer.hpp          \
-    crypto/aes_ccm.hpp                \
-    crypto/aes_ecb.hpp                \
-    crypto/ecdsa.hpp                  \
-    crypto/hmac_sha256.hpp            \
-    crypto/mbedtls.hpp                \
-    crypto/pbkdf2_cmac.h              \
-    crypto/sha256.hpp                 \
-    diags/factory_diags.hpp           \
-    mac/channel_mask.hpp              \
-    mac/data_poll_handler.hpp         \
-    mac/data_poll_sender.hpp          \
-    mac/link_raw.hpp                  \
-    mac/mac.hpp                       \
-    mac/mac_filter.hpp                \
-    mac/mac_frame.hpp                 \
-    mac/sub_mac.hpp                   \
-    meshcop/announce_begin_client.hpp \
-    meshcop/border_agent.hpp          \
-    meshcop/commissioner.hpp          \
-    meshcop/dataset.hpp               \
-    meshcop/dataset_local.hpp         \
-    meshcop/dataset_manager.hpp       \
-    meshcop/dtls.hpp                  \
-    meshcop/energy_scan_client.hpp    \
-    meshcop/joiner.hpp                \
-    meshcop/joiner_router.hpp         \
-    meshcop/leader.hpp                \
-    meshcop/meshcop.hpp               \
-    meshcop/meshcop_tlvs.hpp          \
-    meshcop/panid_query_client.hpp    \
-    meshcop/timestamp.hpp             \
-    net/dhcp6.hpp                     \
-    net/dhcp6_client.hpp              \
-    net/dhcp6_server.hpp              \
-    net/dns_client.hpp                \
-    net/dns_headers.hpp               \
-    net/icmp6.hpp                     \
-    net/ip6.hpp                       \
-    net/ip6_address.hpp               \
-    net/ip6_filter.hpp                \
-    net/ip6_headers.hpp               \
-    net/ip6_mpl.hpp                   \
-    net/netif.hpp                     \
-    net/sntp_client.hpp               \
-    net/socket.hpp                    \
-    net/tcp.hpp                       \
-    net/udp6.hpp                      \
-    phy/phy.hpp                       \
-    thread/address_resolver.hpp       \
-    thread/announce_begin_server.hpp  \
-    thread/announce_sender.hpp        \
-    thread/child_table.hpp            \
-    thread/device_mode.hpp            \
-    thread/energy_scan_server.hpp     \
-    thread/indirect_sender.hpp        \
-    thread/key_manager.hpp            \
-    thread/link_quality.hpp           \
-    thread/lowpan.hpp                 \
-    thread/mesh_forwarder.hpp         \
-    thread/mle.hpp                    \
-    thread/mle_constants.hpp          \
-    thread/mle_router.hpp             \
-    thread/mle_router_ftd.hpp         \
-    thread/mle_router_mtd.hpp         \
-    thread/mle_tlvs.hpp               \
-    thread/network_data.hpp           \
-    thread/network_data_leader.hpp    \
-    thread/network_data_leader_ftd.hpp \
-    thread/network_data_local.hpp     \
-    thread/network_data_tlvs.hpp      \
-    thread/network_diagnostic.hpp     \
-    thread/network_diagnostic_tlvs.hpp \
-    thread/panid_query_server.hpp     \
-    thread/router_table.hpp           \
-    thread/src_match_controller.hpp   \
-    thread/thread_netif.hpp           \
-    thread/thread_tlvs.hpp            \
-    thread/thread_uri_paths.hpp       \
-    thread/time_sync_service.hpp      \
-    thread/topology.hpp               \
-    utils/channel_manager.hpp         \
-    utils/channel_monitor.hpp         \
-    utils/child_supervision.hpp       \
-    utils/heap.hpp                    \
-    utils/jam_detector.hpp            \
-    utils/parse_cmdline.hpp           \
-    utils/slaac_address.hpp           \
-    utils/static_assert.hpp           \
-    utils/wrap_stdbool.h              \
-    utils/wrap_stdint.h               \
-    utils/wrap_string.h               \
+HEADERS_COMMON                             = \
+    openthread-core-config.h                 \
+    coap/coap.hpp                            \
+    coap/coap_message.hpp                    \
+    coap/coap_secure.hpp                     \
+    common/code_utils.hpp                    \
+    common/crc16.hpp                         \
+    common/debug.hpp                         \
+    common/encoding.hpp                      \
+    common/extension.hpp                     \
+    common/instance.hpp                      \
+    common/locator.hpp                       \
+    common/locator-getters.hpp               \
+    common/logging.hpp                       \
+    common/message.hpp                       \
+    common/new.hpp                           \
+    common/notifier.hpp                      \
+    common/random.hpp                        \
+    common/random_manager.hpp                \
+    common/settings.hpp                      \
+    common/string.hpp                        \
+    common/tasklet.hpp                       \
+    common/timer.hpp                         \
+    common/tlvs.hpp                          \
+    common/trickle_timer.hpp                 \
+    config/openthread-core-config-check.h    \
+    config/openthread-core-default-config.h  \
+    crypto/aes_ccm.hpp                       \
+    crypto/aes_ecb.hpp                       \
+    crypto/ecdsa.hpp                         \
+    crypto/hmac_sha256.hpp                   \
+    crypto/mbedtls.hpp                       \
+    crypto/pbkdf2_cmac.h                     \
+    crypto/sha256.hpp                        \
+    diags/factory_diags.hpp                  \
+    mac/channel_mask.hpp                     \
+    mac/data_poll_handler.hpp                \
+    mac/data_poll_sender.hpp                 \
+    mac/link_raw.hpp                         \
+    mac/mac.hpp                              \
+    mac/mac_filter.hpp                       \
+    mac/mac_frame.hpp                        \
+    mac/sub_mac.hpp                          \
+    meshcop/announce_begin_client.hpp        \
+    meshcop/border_agent.hpp                 \
+    meshcop/commissioner.hpp                 \
+    meshcop/dataset.hpp                      \
+    meshcop/dataset_local.hpp                \
+    meshcop/dataset_manager.hpp              \
+    meshcop/dtls.hpp                         \
+    meshcop/energy_scan_client.hpp           \
+    meshcop/joiner.hpp                       \
+    meshcop/joiner_router.hpp                \
+    meshcop/leader.hpp                       \
+    meshcop/meshcop.hpp                      \
+    meshcop/meshcop_tlvs.hpp                 \
+    meshcop/panid_query_client.hpp           \
+    meshcop/timestamp.hpp                    \
+    net/dhcp6.hpp                            \
+    net/dhcp6_client.hpp                     \
+    net/dhcp6_server.hpp                     \
+    net/dns_client.hpp                       \
+    net/dns_headers.hpp                      \
+    net/icmp6.hpp                            \
+    net/ip6.hpp                              \
+    net/ip6_address.hpp                      \
+    net/ip6_filter.hpp                       \
+    net/ip6_headers.hpp                      \
+    net/ip6_mpl.hpp                          \
+    net/netif.hpp                            \
+    net/sntp_client.hpp                      \
+    net/socket.hpp                           \
+    net/tcp.hpp                              \
+    net/udp6.hpp                             \
+    phy/phy.hpp                              \
+    thread/address_resolver.hpp              \
+    thread/announce_begin_server.hpp         \
+    thread/announce_sender.hpp               \
+    thread/child_table.hpp                   \
+    thread/device_mode.hpp                   \
+    thread/energy_scan_server.hpp            \
+    thread/indirect_sender.hpp               \
+    thread/key_manager.hpp                   \
+    thread/link_quality.hpp                  \
+    thread/lowpan.hpp                        \
+    thread/mesh_forwarder.hpp                \
+    thread/mle.hpp                           \
+    thread/mle_constants.hpp                 \
+    thread/mle_router.hpp                    \
+    thread/mle_router_ftd.hpp                \
+    thread/mle_router_mtd.hpp                \
+    thread/mle_tlvs.hpp                      \
+    thread/network_data.hpp                  \
+    thread/network_data_leader.hpp           \
+    thread/network_data_leader_ftd.hpp       \
+    thread/network_data_local.hpp            \
+    thread/network_data_tlvs.hpp             \
+    thread/network_diagnostic.hpp            \
+    thread/network_diagnostic_tlvs.hpp       \
+    thread/panid_query_server.hpp            \
+    thread/router_table.hpp                  \
+    thread/src_match_controller.hpp          \
+    thread/thread_netif.hpp                  \
+    thread/thread_tlvs.hpp                   \
+    thread/thread_uri_paths.hpp              \
+    thread/time_sync_service.hpp             \
+    thread/topology.hpp                      \
+    utils/channel_manager.hpp                \
+    utils/channel_monitor.hpp                \
+    utils/child_supervision.hpp              \
+    utils/heap.hpp                           \
+    utils/jam_detector.hpp                   \
+    utils/parse_cmdline.hpp                  \
+    utils/slaac_address.hpp                  \
+    utils/static_assert.hpp                  \
+    utils/wrap_stdbool.h                     \
+    utils/wrap_stdint.h                      \
+    utils/wrap_string.h                      \
     $(NULL)
 
-noinst_HEADERS                      = \
-    $(HEADERS_COMMON)                 \
+noinst_HEADERS                             = \
+    $(HEADERS_COMMON)                        \
     $(NULL)
 
-PRETTY_FILES                        = \
-    $(HEADERS_COMMON)                 \
-    $(SOURCES_COMMON)                 \
-    $(EXTRA_DIST)                     \
+PRETTY_FILES                               = \
+    $(HEADERS_COMMON)                        \
+    $(SOURCES_COMMON)                        \
+    $(EXTRA_DIST)                            \
     $(NULL)
 
 if OPENTHREAD_BUILD_COVERAGE
-Dash                                = -
-CLEANFILES                          = $(shell find $(top_builddir)/src/core $(Dash)name "*.gcda" $(Dash)o $(Dash)name "*.gcno")
-endif # OPENTHREAD_BUILD_COVERAGE
+Dash       = -
+CLEANFILES = $(shell find $(top_builddir)/src/core $(Dash)name "*.gcda" $(Dash)o $(Dash)name "*.gcno")
+endif
 
 include $(abs_top_nlbuild_autotools_dir)/automake/post.am
diff --git a/src/core/openthread-core-config-check.h b/src/core/config/openthread-core-config-check.h
similarity index 100%
rename from src/core/openthread-core-config-check.h
rename to src/core/config/openthread-core-config-check.h
diff --git a/src/core/openthread-core-default-config.h b/src/core/config/openthread-core-default-config.h
similarity index 100%
rename from src/core/openthread-core-default-config.h
rename to src/core/config/openthread-core-default-config.h
diff --git a/src/core/openthread-core-config.h b/src/core/openthread-core-config.h
index 55df5f9..efe6689 100644
--- a/src/core/openthread-core-config.h
+++ b/src/core/openthread-core-config.h
@@ -42,11 +42,11 @@
 #include OPENTHREAD_PROJECT_CORE_CONFIG_FILE
 #endif
 
-#include "openthread-core-default-config.h"
+#include "config/openthread-core-default-config.h"
 
 #undef OPENTHREAD_CORE_CONFIG_H_IN
 
-#include "openthread-core-config-check.h"
+#include "config/openthread-core-config-check.h"
 
 #ifdef OPENTHREAD_CORE_CONFIG_PLATFORM_CHECK_FILE
 #include OPENTHREAD_CORE_CONFIG_PLATFORM_CHECK_FILE
diff --git a/src/ncp/ncp_base_mtd.cpp b/src/ncp/ncp_base_mtd.cpp
index 3256984..20f07b2 100644
--- a/src/ncp/ncp_base_mtd.cpp
+++ b/src/ncp/ncp_base_mtd.cpp
@@ -30,7 +30,7 @@
  *   This file implements minimal thread device required Spinel interface to the OpenThread stack.
  */
 
-#include <openthread/config.h>
+#include "openthread-core-config.h"
 
 #include "ncp_base.hpp"
 
diff --git a/third_party/mbedtls/mbedtls-config.h b/third_party/mbedtls/mbedtls-config.h
index c715974..c58eef6 100644
--- a/third_party/mbedtls/mbedtls-config.h
+++ b/third_party/mbedtls/mbedtls-config.h
@@ -29,6 +29,8 @@
 #ifndef MBEDTLS_CONFIG_H
 #define MBEDTLS_CONFIG_H
 
+#include "openthread-core-config.h"
+
 #include <stdio.h>
 #include <stdlib.h>