linking — wpa_supplicant.c:8107: undefined reference to `wpa_debug_open_syslog'

Sat Sep 28 03:40:24 PDT 2024

Hello,

• below I describe a non-working .config with CONFIG_DEBUG_SYSLOG=n . The code has some options to enable or disable (non-)empty wpa_debug_close_syslog, but in this particular configuration wpa_debug_close_syslog is missing and required for linkink.

• Besides, if I do not pass -Ddriver to wpa_supplicant, how can I see which driver is used in wpa_cli?  dump, status and list_networks do not show this.	

• $ wpa_cli help|grep " set ="  shows:
  set = set variables (shows list of variables when run without arguments)

but
$ wpa_cli set
Selected interface 'wlan0'
Invalid SET command - at least 2 arguments are required.

so help suggests “set” works without arguments (shows a list), but in practice it requires at least two arguments).

-- the problem

with the most recent hostap.git (commit 64d60bb4270745646d), the .config below, calling cd wpa_supplicant &&  make V=1 produces:

cc    -o wpa_supplicant PATH/build/wpa_supplicant/config.o PATH/build/wpa_supplicant/notify.o PATH/build/wpa_supplicant/bss.o PATH/build/wpa_supplicant/eap_register.o PATH/build/wpa_supplicant/src/utils/common.o PATH/build/wpa_supplicant/src/utils/config.o PATH/build/wpa_supplicant/src/utils/wpa_debug.o PATH/build/wpa_supplicant/src/utils/wpabuf.o PATH/build/wpa_supplicant/src/utils/bitfield.o PATH/build/wpa_supplicant/src/utils/ip_addr.o PATH/build/wpa_supplicant/src/utils/crc32.o
PATH/build/wpa_supplicant/src/common/ptksa_cache.o PATH/build/wpa_supplicant/src/rsn_supp/pmksa_cache.o PATH/build/wpa_supplicant/twt.o PATH/build/wpa_supplicant/src/utils/os_unix.o PATH/build/wpa_supplicant/src/utils/eloop.o PATH/build/wpa_supplicant/config_file.o PATH/build/wpa_supplicant/src/rsn_supp/wpa_ft.o PATH/build/wpa_supplicant/mesh.o PATH/build/wpa_supplicant/mesh_mpm.o PATH/build/wpa_supplicant/mesh_rsn.o PATH/build/wpa_supplicant/src/common/sae.o
PATH/build/wpa_supplicant/src/common/sae_pk.o PATH/build/wpa_supplicant/src/common/dpp.o PATH/build/wpa_supplicant/src/common/dpp_auth.o PATH/build/wpa_supplicant/src/common/dpp_backup.o PATH/build/wpa_supplicant/src/common/dpp_crypto.o PATH/build/wpa_supplicant/src/common/dpp_pkex.o PATH/build/wpa_supplicant/src/common/dpp_reconfig.o PATH/build/wpa_supplicant/src/common/dpp_tcp.o PATH/build/wpa_supplicant/dpp_supplicant.o PATH/build/wpa_supplicant/wnm_sta.o
PATH/build/wpa_supplicant/src/rsn_supp/tdls.o PATH/build/wpa_supplicant/src/rsn_supp/wpa.o PATH/build/wpa_supplicant/src/rsn_supp/preauth.o PATH/build/wpa_supplicant/src/rsn_supp/wpa_ie.o PATH/build/wpa_supplicant/src/common/wpa_common.o PATH/build/wpa_supplicant/ibss_rsn.o PATH/build/wpa_supplicant/p2p_supplicant.o PATH/build/wpa_supplicant/p2p_supplicant_sd.o PATH/build/wpa_supplicant/src/p2p/p2p.o PATH/build/wpa_supplicant/src/p2p/p2p_utils.o PATH/build/wpa_supplicant/src/p2p/p2p_parse.o
PATH/build/wpa_supplicant/src/p2p/p2p_build.o PATH/build/wpa_supplicant/src/p2p/p2p_go_neg.o PATH/build/wpa_supplicant/src/p2p/p2p_sd.o PATH/build/wpa_supplicant/src/p2p/p2p_pd.o PATH/build/wpa_supplicant/src/p2p/p2p_invitation.o PATH/build/wpa_supplicant/src/p2p/p2p_dev_disc.o PATH/build/wpa_supplicant/src/p2p/p2p_group.o PATH/build/wpa_supplicant/src/ap/p2p_hostapd.o PATH/build/wpa_supplicant/wifi_display.o PATH/build/wpa_supplicant/hs20_supplicant.o PATH/build/wpa_supplicant/interworking.o
PATH/build/wpa_supplicant/rrm.o PATH/build/wpa_supplicant/src/ap/rrm.o PATH/build/wpa_supplicant/op_classes.o PATH/build/wpa_supplicant/wmm_ac.o PATH/build/wpa_supplicant/robust_av.o PATH/build/wpa_supplicant/src/eap_peer/eap_tls.o PATH/build/wpa_supplicant/src/eap_peer/eap_peap.o PATH/build/wpa_supplicant/src/eap_common/eap_peap_common.o PATH/build/wpa_supplicant/src/eap_peer/eap_ttls.o PATH/build/wpa_supplicant/src/eap_peer/eap_md5.o PATH/build/wpa_supplicant/src/eap_peer/eap_mschapv2.o
PATH/build/wpa_supplicant/src/eap_peer/mschapv2.o PATH/build/wpa_supplicant/src/eap_peer/eap_gtc.o PATH/build/wpa_supplicant/src/eap_peer/eap_otp.o PATH/build/wpa_supplicant/src/eap_peer/eap_leap.o PATH/build/wpa_supplicant/src/eap_peer/eap_fast.o PATH/build/wpa_supplicant/src/eap_peer/eap_fast_pac.o PATH/build/wpa_supplicant/src/eap_common/eap_fast_common.o PATH/build/wpa_supplicant/src/eap_peer/eap_pax.o PATH/build/wpa_supplicant/src/eap_common/eap_pax_common.o
PATH/build/wpa_supplicant/src/eap_peer/eap_sake.o PATH/build/wpa_supplicant/src/eap_common/eap_sake_common.o PATH/build/wpa_supplicant/src/eap_peer/eap_gpsk.o PATH/build/wpa_supplicant/src/eap_common/eap_gpsk_common.o PATH/build/wpa_supplicant/src/eap_peer/eap_pwd.o PATH/build/wpa_supplicant/src/eap_common/eap_pwd_common.o PATH/build/wpa_supplicant/wps_supplicant.o PATH/build/wpa_supplicant/src/utils/uuid.o PATH/build/wpa_supplicant/src/eap_peer/eap_wsc.o
PATH/build/wpa_supplicant/src/eap_common/eap_wsc_common.o PATH/build/wpa_supplicant/src/wps/wps.o PATH/build/wpa_supplicant/src/wps/wps_common.o PATH/build/wpa_supplicant/src/wps/wps_attr_parse.o PATH/build/wpa_supplicant/src/wps/wps_attr_build.o PATH/build/wpa_supplicant/src/wps/wps_attr_process.o PATH/build/wpa_supplicant/src/wps/wps_dev_attr.o PATH/build/wpa_supplicant/src/wps/wps_enrollee.o PATH/build/wpa_supplicant/src/wps/wps_registrar.o PATH/build/wpa_supplicant/src/eap_peer/eap_ikev2.o
PATH/build/wpa_supplicant/src/eap_peer/ikev2.o PATH/build/wpa_supplicant/src/eap_common/eap_ikev2_common.o PATH/build/wpa_supplicant/src/eap_common/ikev2_common.o PATH/build/wpa_supplicant/src/eap_peer/eap_tnc.o PATH/build/wpa_supplicant/src/eap_peer/tncc.o PATH/build/wpa_supplicant/wpas_kay.o PATH/build/wpa_supplicant/src/pae/ieee802_1x_cp.o PATH/build/wpa_supplicant/src/pae/ieee802_1x_kay.o PATH/build/wpa_supplicant/src/pae/ieee802_1x_key.o
PATH/build/wpa_supplicant/src/pae/ieee802_1x_secy_ops.o PATH/build/wpa_supplicant/src/ap/wpa_auth_kay.o PATH/build/wpa_supplicant/src/eapol_supp/eapol_supp_sm.o PATH/build/wpa_supplicant/src/eap_peer/eap.o PATH/build/wpa_supplicant/src/eap_peer/eap_methods.o PATH/build/wpa_supplicant/ap.o PATH/build/wpa_supplicant/src/ap/hostapd.o PATH/build/wpa_supplicant/src/ap/wpa_auth_glue.o PATH/build/wpa_supplicant/src/ap/utils.o PATH/build/wpa_supplicant/src/ap/authsrv.o
PATH/build/wpa_supplicant/src/ap/ap_config.o PATH/build/wpa_supplicant/src/ap/sta_info.o PATH/build/wpa_supplicant/src/ap/tkip_countermeasures.o PATH/build/wpa_supplicant/src/ap/ap_mlme.o PATH/build/wpa_supplicant/src/ap/ieee802_1x.o PATH/build/wpa_supplicant/src/eapol_auth/eapol_auth_sm.o PATH/build/wpa_supplicant/src/ap/ieee802_11_auth.o PATH/build/wpa_supplicant/src/ap/ieee802_11_shared.o PATH/build/wpa_supplicant/src/ap/drv_callbacks.o PATH/build/wpa_supplicant/src/ap/ap_drv_ops.o
PATH/build/wpa_supplicant/src/ap/beacon.o PATH/build/wpa_supplicant/src/ap/bss_load.o PATH/build/wpa_supplicant/src/ap/eap_user_db.o PATH/build/wpa_supplicant/src/ap/neighbor_db.o PATH/build/wpa_supplicant/src/ap/ieee802_11_ht.o PATH/build/wpa_supplicant/src/ap/ieee802_11_vht.o PATH/build/wpa_supplicant/src/ap/ieee802_11_he.o PATH/build/wpa_supplicant/src/ap/fils_hlp.o PATH/build/wpa_supplicant/src/ap/ctrl_iface_ap.o PATH/build/wpa_supplicant/src/eap_server/eap_server.o
PATH/build/wpa_supplicant/src/eap_server/eap_server_identity.o PATH/build/wpa_supplicant/src/eap_server/eap_server_methods.o PATH/build/wpa_supplicant/src/ap/wmm.o PATH/build/wpa_supplicant/src/ap/ap_list.o PATH/build/wpa_supplicant/src/ap/comeback_token.o PATH/build/wpa_supplicant/src/pasn/pasn_responder.o PATH/build/wpa_supplicant/src/ap/ieee802_11.o PATH/build/wpa_supplicant/src/ap/hw_features.o PATH/build/wpa_supplicant/src/ap/dfs.o PATH/build/wpa_supplicant/src/ap/wps_hostapd.o
PATH/build/wpa_supplicant/src/eap_server/eap_server_wsc.o PATH/build/wpa_supplicant/src/ap/dpp_hostapd.o PATH/build/wpa_supplicant/src/ap/gas_query_ap.o PATH/build/wpa_supplicant/src/ap/gas_serv.o PATH/build/wpa_supplicant/src/ap/hs20.o PATH/build/wpa_supplicant/src/ap/wpa_auth.o PATH/build/wpa_supplicant/src/ap/wpa_auth_ie.o PATH/build/wpa_supplicant/src/ap/pmksa_cache_auth.o PATH/build/wpa_supplicant/src/common/dragonfly.o PATH/build/wpa_supplicant/src/crypto/ms_funcs.o
PATH/build/wpa_supplicant/src/eap_common/chap.o PATH/build/wpa_supplicant/src/eap_peer/eap_tls_common.o PATH/build/wpa_supplicant/src/crypto/tls_openssl.o PATH/build/wpa_supplicant/src/crypto/tls_openssl_ocsp.o PATH/build/wpa_supplicant/src/crypto/crypto_openssl.o PATH/build/wpa_supplicant/src/crypto/aes-siv.o PATH/build/wpa_supplicant/src/crypto/aes-ctr.o PATH/build/wpa_supplicant/src/crypto/aes-encblock.o PATH/build/wpa_supplicant/src/crypto/sha256-kdf.o
PATH/build/wpa_supplicant/src/crypto/sha384-kdf.o PATH/build/wpa_supplicant/src/crypto/sha512-kdf.o PATH/build/wpa_supplicant/src/crypto/sha256-prf.o PATH/build/wpa_supplicant/src/crypto/sha256-tlsprf.o PATH/build/wpa_supplicant/src/crypto/sha384-prf.o PATH/build/wpa_supplicant/src/crypto/sha512-prf.o PATH/build/wpa_supplicant/src/tls/asn1.o PATH/build/wpa_supplicant/src/crypto/dh_groups.o PATH/build/wpa_supplicant/src/crypto/random.o PATH/build/wpa_supplicant/src/common/ctrl_iface_common.o
PATH/build/wpa_supplicant/ctrl_iface.o PATH/build/wpa_supplicant/ctrl_iface_unix.o PATH/build/wpa_supplicant/dbus/dbus_dict_helpers.o PATH/build/wpa_supplicant/dbus/dbus_new_helpers.o PATH/build/wpa_supplicant/dbus/dbus_new.o PATH/build/wpa_supplicant/dbus/dbus_new_handlers.o PATH/build/wpa_supplicant/dbus/dbus_common.o PATH/build/wpa_supplicant/dbus/dbus_new_handlers_wps.o PATH/build/wpa_supplicant/dbus/dbus_new_handlers_p2p.o PATH/build/wpa_supplicant/dbus/dbus_new_introspect.o
PATH/build/wpa_supplicant/src/utils/base64.o PATH/build/wpa_supplicant/sme.o PATH/build/wpa_supplicant/src/common/ieee802_11_common.o PATH/build/wpa_supplicant/src/common/hw_features_common.o PATH/build/wpa_supplicant/src/eap_common/eap_common.o PATH/build/wpa_supplicant/src/crypto/sha1-prf.o PATH/build/wpa_supplicant/src/crypto/sha1-tprf.o PATH/build/wpa_supplicant/src/crypto/sha1-tlsprf.o PATH/build/wpa_supplicant/bgscan_simple.o PATH/build/wpa_supplicant/bgscan.o
PATH/build/wpa_supplicant/autoscan_periodic.o PATH/build/wpa_supplicant/autoscan.o PATH/build/wpa_supplicant/src/common/gas_server.o PATH/build/wpa_supplicant/src/common/gas.o PATH/build/wpa_supplicant/gas_query.o PATH/build/wpa_supplicant/offchannel.o PATH/build/wpa_supplicant/src/utils/json.o PATH/build/wpa_supplicant/src/drivers/driver_common.o PATH/build/wpa_supplicant/wpa_supplicant.o PATH/build/wpa_supplicant/events.o PATH/build/wpa_supplicant/bssid_ignore.o
PATH/build/wpa_supplicant/wpas_glue.o PATH/build/wpa_supplicant/scan.o PATH/build/wpa_supplicant/main.o PATH/build/wpa_supplicant/src/drivers/driver_wired.o PATH/build/wpa_supplicant/src/drivers/driver_macsec_linux.o PATH/build/wpa_supplicant/src/drivers/driver_wired_common.o PATH/build/wpa_supplicant/src/drivers/driver_nl80211.o PATH/build/wpa_supplicant/src/drivers/driver_nl80211_capa.o PATH/build/wpa_supplicant/src/drivers/driver_nl80211_event.o
PATH/build/wpa_supplicant/src/drivers/driver_nl80211_monitor.o PATH/build/wpa_supplicant/src/drivers/driver_nl80211_scan.o PATH/build/wpa_supplicant/src/drivers/netlink.o PATH/build/wpa_supplicant/src/drivers/rfkill.o PATH/build/wpa_supplicant/src/utils/radiotap.o PATH/build/wpa_supplicant/src/drivers/linux_ioctl.o PATH/build/wpa_supplicant/src/drivers/driver_wext.o PATH/build/wpa_supplicant/src/drivers/drivers.o PATH/build/wpa_supplicant/src/l2_packet/l2_packet_linux.o
PATH/build/wpa_supplicant/src/fst/fst.o PATH/build/wpa_supplicant/src/fst/fst_session.o PATH/build/wpa_supplicant/src/fst/fst_iface.o PATH/build/wpa_supplicant/src/fst/fst_group.o PATH/build/wpa_supplicant/src/fst/fst_ctrl_aux.o PATH/build/wpa_supplicant/src/fst/fst_ctrl_iface.o -lrt -lnl-3 -lnl-genl-3 -lnl-route-3   -ldl -lssl -lcrypto -ldl -ldbus-1 
/usr/bin/ld: PATH/build/wpa_supplicant/wpa_supplicant.o: in function `wpa_supplicant_deinit':
PATH/wpa_supplicant/wpa_supplicant.c:8367: undefined reference to `wpa_debug_close_syslog'
/usr/bin/ld: PATH/build/wpa_supplicant/wpa_supplicant.o: in function `wpa_supplicant_init':
PATH/wpa_supplicant/wpa_supplicant.c:8107: undefined reference to `wpa_debug_open_syslog'
collect2: error: ld returned 1 exit status
make: *** [Makefile:2008: wpa_supplicant] Error 1

-- the .config file

# Example wpa_supplicant build time configuration
#
# This file lists the configuration options that are used when building the
# wpa_supplicant binary. All lines starting with # are ignored. Configuration
# option lines must be commented out complete, if they are not to be included,
# i.e., just setting VARIABLE=n is not disabling that variable.
#
# This file is included in Makefile, so variables like CFLAGS and LIBS can also
# be modified from here. In most cases, these lines should use += in order not
# to override previous values of the variables.

# Uncomment following two lines and fix the paths if you have installed OpenSSL
# or GnuTLS in non-default location
#CFLAGS += -I/usr/local/openssl/include
#LIBS += -L/usr/local/openssl/lib

# Some Red Hat versions seem to include kerberos header files from OpenSSL, but
# the kerberos files are not in the default include path. Following line can be
# used to fix build issues on such systems (krb5.h not found).
#CFLAGS += -I/usr/include/kerberos

# Driver interface for generic Linux wireless extensions
# Note: WEXT is deprecated in the current Linux kernel version and no new
# functionality is added to it. nl80211-based interface is the new
# replacement for WEXT and its use allows wpa_supplicant to properly control
# the driver to improve existing functionality like roaming and to support new
# functionality.
CONFIG_DRIVER_WEXT=n

# Driver interface for Linux drivers using the nl80211 kernel interface
CONFIG_DRIVER_NL80211=y

# QCA vendor extensions to nl80211
#CONFIG_DRIVER_NL80211_QCA=y

# driver_nl80211.c requires libnl. If you are compiling it yourself
# you may need to point hostapd to your version of libnl.
#
#CFLAGS += -I$<path to libnl include files>
#LIBS += -L$<path to libnl library files>

# Use libnl v2.0 (or 3.0) libraries.
#CONFIG_LIBNL20=y

# Use libnl 3.2 libraries (if this is selected, CONFIG_LIBNL20 is ignored)
CONFIG_LIBNL32=y

# Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
#CONFIG_DRIVER_BSD=y
#CFLAGS += -I/usr/local/include
#LIBS += -L/usr/local/lib
#LIBS_p += -L/usr/local/lib
#LIBS_c += -L/usr/local/lib

# Driver interface for Windows NDIS
#CONFIG_DRIVER_NDIS=y
#CFLAGS += -I/usr/include/w32api/ddk
#LIBS += -L/usr/local/lib
# For native build using mingw
#CONFIG_NATIVE_WINDOWS=y
# Additional directories for cross-compilation on Linux host for mingw target
#CFLAGS += -I/opt/mingw/mingw32/include/ddk
#LIBS += -L/opt/mingw/mingw32/lib
#CC=mingw32-gcc
# By default, driver_ndis uses WinPcap for low-level operations. This can be
# replaced with the following option which replaces WinPcap calls with NDISUIO.
# However, this requires that WZC is disabled (net stop wzcsvc) before starting
# wpa_supplicant.
# CONFIG_USE_NDISUIO=y

# Driver interface for wired Ethernet drivers
CONFIG_DRIVER_WIRED=y

# Driver interface for MACsec capable Qualcomm Atheros drivers
#CONFIG_DRIVER_MACSEC_QCA=y

# Driver interface for Linux MACsec drivers
CONFIG_DRIVER_MACSEC_LINUX=y

# Driver interface for the Broadcom RoboSwitch family
#CONFIG_DRIVER_ROBOSWITCH=y

# Driver interface for no driver (e.g., WPS ER only)
#CONFIG_DRIVER_NONE=y

# Solaris libraries
#LIBS += -lsocket -ldlpi -lnsl
#LIBS_c += -lsocket

# Enable IEEE 802.1X Supplicant (automatically included if any EAP method or
# MACsec is included)
CONFIG_IEEE8021X_EAPOL=y

# EAP-MD5
CONFIG_EAP_MD5=y

# EAP-MSCHAPv2
CONFIG_EAP_MSCHAPV2=y

# EAP-TLS
CONFIG_EAP_TLS=y
# Enable EAP-TLSv1.3 support by default (currently disabled unless explicitly
# enabled in network configuration)
#CONFIG_EAP_TLSV1_3=y

# EAL-PEAP
CONFIG_EAP_PEAP=y

# EAP-TTLS
CONFIG_EAP_TTLS=y

# EAP-FAST
CONFIG_EAP_FAST=y

# EAP-TEAP
# Note: The current EAP-TEAP implementation is experimental and should not be
# enabled for production use. The IETF RFC 7170 that defines EAP-TEAP has number
# of conflicting statements and missing details and the implementation has
# vendor specific workarounds for those and as such, may not interoperate with
# any other implementation. This should not be used for anything else than
# experimentation and interoperability testing until those issues has been
# resolved.
#CONFIG_EAP_TEAP=y

# EAP-GTC
CONFIG_EAP_GTC=y

# EAP-OTP
CONFIG_EAP_OTP=y

# EAP-SIM (enable CONFIG_PCSC, if EAP-SIM is used)
#CONFIG_EAP_SIM=y

# Enable SIM simulator (Milenage) for EAP-SIM
#CONFIG_SIM_SIMULATOR=y

# EAP-PSK (experimental; this is _not_ needed for WPA-PSK)
#CONFIG_EAP_PSK=y

# EAP-pwd (secure authentication using only a password)
CONFIG_EAP_PWD=y

# EAP-PAX
CONFIG_EAP_PAX=y

# LEAP
CONFIG_EAP_LEAP=y

# EAP-AKA (enable CONFIG_PCSC, if EAP-AKA is used)
#CONFIG_EAP_AKA=y

# EAP-AKA' (enable CONFIG_PCSC, if EAP-AKA' is used).
# This requires CONFIG_EAP_AKA to be enabled, too.
#CONFIG_EAP_AKA_PRIME=y

# Enable USIM simulator (Milenage) for EAP-AKA
#CONFIG_USIM_SIMULATOR=y

# EAP-SAKE
CONFIG_EAP_SAKE=y

# EAP-GPSK
CONFIG_EAP_GPSK=y
# Include support for optional SHA256 cipher suite in EAP-GPSK
CONFIG_EAP_GPSK_SHA256=y

# EAP-TNC and related Trusted Network Connect support (experimental)
CONFIG_EAP_TNC=y

# Wi-Fi Protected Setup (WPS)
CONFIG_WPS=y
# Enable WPS external registrar functionality
#CONFIG_WPS_ER=y
# Disable credentials for an open network by default when acting as a WPS
# registrar.
#CONFIG_WPS_REG_DISABLE_OPEN=y
# Enable WPS support with NFC config method
#CONFIG_WPS_NFC=y

# EAP-IKEv2
CONFIG_EAP_IKEV2=y

# EAP-EKE
#CONFIG_EAP_EKE=y

# MACsec
CONFIG_MACSEC=y

# PKCS#12 (PFX) support (used to read private key and certificate file from
# a file that usually has extension .p12 or .pfx)
CONFIG_PKCS12=y

# Smartcard support (i.e., private key on a smartcard), e.g., with openssl
# engine.
CONFIG_SMARTCARD=n

# PC/SC interface for smartcards (USIM, GSM SIM)
# Enable this if EAP-SIM or EAP-AKA is included
#CONFIG_PCSC=y

# Support HT overrides (disable HT/HT40, mask MCS rates, etc.)
#CONFIG_HT_OVERRIDES=y

# Support VHT overrides (disable VHT, mask MCS rates, etc.)
#CONFIG_VHT_OVERRIDES=y

# Support HE overrides
#CONFIG_HE_OVERRIDES=y

# Development testing
#CONFIG_EAPOL_TEST=y

# Support IPv6
CONFIG_IPV6=y

# Select control interface backend for external programs, e.g, wpa_cli:
# unix = UNIX domain sockets (default for Linux/*BSD)
# udp = UDP sockets using localhost (127.0.0.1)
# udp6 = UDP IPv6 sockets using localhost (::1)
# named_pipe = Windows Named Pipe (default for Windows)
# udp-remote = UDP sockets with remote access (only for tests systems/purpose)
# udp6-remote = UDP IPv6 sockets with remote access (only for tests purpose)
# y = use default (backwards compatibility)
# If this option is commented out, control interface is not included in the
# build.
CONFIG_CTRL_IFACE=unix

# Include support for GNU Readline and History Libraries in wpa_cli.
# When building a wpa_cli binary for distribution, please note that these
# libraries are licensed under GPL and as such, BSD license may not apply for
# the resulting binary.
CONFIG_READLINE=y

# Include internal line edit mode in wpa_cli. This can be used as a replacement
# for GNU Readline to provide limited command line editing and history support.
#CONFIG_WPA_CLI_EDIT=y

# Remove debugging code that is printing out debug message to stdout.
# This can be used to reduce the size of the wpa_supplicant considerably
# if debugging code is not needed. The size reduction can be around 35%
# (e.g., 90 kB).
CONFIG_NO_STDOUT_DEBUG=y

# Remove WPA support, e.g., for wired-only IEEE 802.1X supplicant, to save
# 35-50 kB in code size.
#CONFIG_NO_WPA=y

# Remove IEEE 802.11i/WPA-Personal ASCII passphrase support
# This option can be used to reduce code size by removing support for
# converting ASCII passphrases into PSK. If this functionality is removed, the
# PSK can only be configured as the 64-octet hexstring (e.g., from
# wpa_passphrase). This saves about 0.5 kB in code size.
#CONFIG_NO_WPA_PASSPHRASE=y

# Simultaneous Authentication of Equals (SAE), WPA3-Personal
CONFIG_SAE=y

# SAE Public Key, WPA3-Personal
CONFIG_SAE_PK=y

# Disable scan result processing (ap_scan=1) to save code size by about 1 kB.
# This can be used if ap_scan=1 mode is never enabled.
#CONFIG_NO_SCAN_PROCESSING=y

# Select configuration backend:
# file = text file (e.g., wpa_supplicant.conf; note: the configuration file
#	path is given on command line, not here; this option is just used to
#	select the backend that allows configuration files to be used)
# winreg = Windows registry (see win_example.reg for an example)
CONFIG_BACKEND=file

# Remove configuration write functionality (i.e., to allow the configuration
# file to be updated based on runtime configuration changes). The runtime
# configuration can still be changed, the changes are just not going to be
# persistent over restarts. This option can be used to reduce code size by
# about 3.5 kB.
#CONFIG_NO_CONFIG_WRITE=y

# Remove support for configuration blobs to reduce code size by about 1.5 kB.
#CONFIG_NO_CONFIG_BLOBS=y

# Select program entry point implementation:
# main = UNIX/POSIX like main() function (default)
# main_winsvc = Windows service (read parameters from registry)
# main_none = Very basic example (development use only)
#CONFIG_MAIN=main

# Select wrapper for operating system and C library specific functions
# unix = UNIX/POSIX like systems (default)
# win32 = Windows systems
# none = Empty template
#CONFIG_OS=unix

# Select event loop implementation
# eloop = select() loop (default)
# eloop_win = Windows events and WaitForMultipleObject() loop
#CONFIG_ELOOP=eloop

# Should we use poll instead of select? Select is used by default.
#CONFIG_ELOOP_POLL=y

# Should we use epoll instead of select? Select is used by default.
#CONFIG_ELOOP_EPOLL=y

# Should we use kqueue instead of select? Select is used by default.
#CONFIG_ELOOP_KQUEUE=y

# Select layer 2 packet implementation
# linux = Linux packet socket (default)
# pcap = libpcap/libdnet/WinPcap
# freebsd = FreeBSD libpcap
# winpcap = WinPcap with receive thread
# ndis = Windows NDISUIO (note: requires CONFIG_USE_NDISUIO=y)
# none = Empty template
#CONFIG_L2_PACKET=linux

# Disable Linux packet socket workaround applicable for station interface
# in a bridge for EAPOL frames. This should be uncommented only if the kernel
# is known to not have the regression issue in packet socket behavior with
# bridge interfaces (commit 'bridge: respect RFC2863 operational state')').
#CONFIG_NO_LINUX_PACKET_SOCKET_WAR=y

# Support Operating Channel Validation
#CONFIG_OCV=y

# Select TLS implementation
# openssl = OpenSSL (default)
# gnutls = GnuTLS
# internal = Internal TLSv1 implementation (experimental)
# linux = Linux kernel AF_ALG and internal TLSv1 implementation (experimental)
# none = Empty template
#CONFIG_TLS=openssl

# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.1)
# can be enabled to get a stronger construction of messages when block ciphers
# are used. It should be noted that some existing TLS v1.0 -based
# implementation may not be compatible with TLS v1.1 message (ClientHello is
# sent prior to negotiating which version will be used)
#CONFIG_TLSV11=y

# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.2)
# can be enabled to enable use of stronger crypto algorithms. It should be
# noted that some existing TLS v1.0 -based implementation may not be compatible
# with TLS v1.2 message (ClientHello is sent prior to negotiating which version
# will be used)
CONFIG_TLSV12=y

# Select which ciphers to use by default with OpenSSL if the user does not
# specify them.
#CONFIG_TLS_DEFAULT_CIPHERS="DEFAULT:!EXP:!LOW"

# If CONFIG_TLS=internal is used, additional library and include paths are
# needed for LibTomMath. Alternatively, an integrated, minimal version of
# LibTomMath can be used. See beginning of libtommath.c for details on benefits
# and drawbacks of this option.
#CONFIG_INTERNAL_LIBTOMMATH=y
#ifndef CONFIG_INTERNAL_LIBTOMMATH
#LTM_PATH=/usr/src/libtommath-0.39
#CFLAGS += -I$(LTM_PATH)
#LIBS += -L$(LTM_PATH)
#LIBS_p += -L$(LTM_PATH)
#endif
# At the cost of about 4 kB of additional binary size, the internal LibTomMath
# can be configured to include faster routines for exptmod, sqr, and div to
# speed up DH and RSA calculation considerably
#CONFIG_INTERNAL_LIBTOMMATH_FAST=y

# Include NDIS event processing through WMI into wpa_supplicant/wpasvc.
# This is only for Windows builds and requires WMI-related header files and
# WbemUuid.Lib from Platform SDK even when building with MinGW.
#CONFIG_NDIS_EVENTS_INTEGRATED=y
#PLATFORMSDKLIB="/opt/Program Files/Microsoft Platform SDK/Lib"

# Add support for new DBus control interface
# (fi.w1.wpa_supplicant1)
CONFIG_CTRL_IFACE_DBUS_NEW=y

# Add introspection support for new DBus control interface
CONFIG_CTRL_IFACE_DBUS_INTRO=y

# Add support for loading EAP methods dynamically as shared libraries.
# When this option is enabled, each EAP method can be either included
# statically (CONFIG_EAP_<method>=y) or dynamically (CONFIG_EAP_<method>=dyn).
# Dynamic EAP methods are build as shared objects (eap_*.so) and they need to
# be loaded in the beginning of the wpa_supplicant configuration file
# (see load_dynamic_eap parameter in the example file) before being used in
# the network blocks.
#
# Note that some shared parts of EAP methods are included in the main program
# and in order to be able to use dynamic EAP methods using these parts, the
# main program must have been build with the EAP method enabled (=y or =dyn).
# This means that EAP-TLS/PEAP/TTLS/FAST cannot be added as dynamic libraries
# unless at least one of them was included in the main build to force inclusion
# of the shared code. Similarly, at least one of EAP-SIM/AKA must be included
# in the main build to be able to load these methods dynamically.
#
# Please also note that using dynamic libraries will increase the total binary
# size. Thus, it may not be the best option for targets that have limited
# amount of memory/flash.
#CONFIG_DYNAMIC_EAP_METHODS=y

# Dynamic library loading

# Add the ability to configure libraries to load at compile time.
# If set, these disable dynamic configuration.
#CONFIG_PKCS11_ENGINE_PATH - pkcs11_engine library location.
#CONFIG_PKCS11_MODULE_PATH - pkcs11_module library location.
#CONFIG_OPENSC_ENGINE_PATH - opensc_engine library location.
#
# Prevent library loading at runtime
#CONFIG_NO_PKCS11_ENGINE_PATH=y # prevents loading pkcs11_engine library.
#CONFIG_NO_PKCS11_MODULE_PATH=y # prevents loading pkcs11_module library.
# CONFIG_NO_OPENSC_ENGINE_PATH=y # prevents loading opensc_engine library.

# Prevents loading EAP libraries at runtime
#CONFIG_NO_LOAD_DYNAMIC_EAP=y

# IEEE Std 802.11r-2008 (Fast BSS Transition) for station mode
CONFIG_IEEE80211R=y

# Add support for writing debug log to a file (/tmp/wpa_supplicant-log-#.txt)
CONFIG_DEBUG_FILE=n

# Send debug messages to syslog instead of stdout
CONFIG_DEBUG_SYSLOG=n
# Set syslog facility for debug messages
#CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON

# Add support for sending all debug messages (regardless of debug verbosity)
# to the Linux kernel tracing facility. This helps debug the entire stack by
# making it easy to record everything happening from the driver up into the
# same file, e.g., using trace-cmd.
#CONFIG_DEBUG_LINUX_TRACING=y

# Add support for writing debug log to Android logcat instead of standard
# output
#CONFIG_ANDROID_LOG=y

# Enable privilege separation (see README 'Privilege separation' for details)
#CONFIG_PRIVSEP=y

# Enable mitigation against certain attacks against TKIP by delaying Michael
# MIC error reports by a random amount of time between 0 and 60 seconds
#CONFIG_DELAYED_MIC_ERROR_REPORT=y

# Enable tracing code for developer debugging
# This tracks use of memory allocations and other registrations and reports
# incorrect use with a backtrace of call (or allocation) location.
#CONFIG_WPA_TRACE=y
# For BSD, uncomment these.
#LIBS += -lexecinfo
#LIBS_p += -lexecinfo
#LIBS_c += -lexecinfo

# Use libbfd to get more details for developer debugging
# This enables use of libbfd to get more detailed symbols for the backtraces
# generated by CONFIG_WPA_TRACE=y.
#CONFIG_WPA_TRACE_BFD=y
# For BSD, uncomment these.
#LIBS += -lbfd -liberty -lz
#LIBS_p += -lbfd -liberty -lz
#LIBS_c += -lbfd -liberty -lz

# wpa_supplicant depends on strong random number generation being available
# from the operating system. os_get_random() function is used to fetch random
# data when needed, e.g., for key generation. On Linux and BSD systems, this
# works by reading /dev/urandom. It should be noted that the OS entropy pool
# needs to be properly initialized before wpa_supplicant is started. This is
# important especially on embedded devices that do not have a hardware random
# number generator and may by default start up with minimal entropy available
# for random number generation.
#
# As a safety net, wpa_supplicant is by default trying to internally collect
# additional entropy for generating random data to mix in with the data fetched
# from the OS. This by itself is not considered to be very strong, but it may
# help in cases where the system pool is not initialized properly. However, it
# is very strongly recommended that the system pool is initialized with enough
# entropy either by using hardware assisted random number generator or by
# storing state over device reboots.
#
# wpa_supplicant can be configured to maintain its own entropy store over
# restarts to enhance random number generation. This is not perfect, but it is
# much more secure than using the same sequence of random numbers after every
# reboot. This can be enabled with -e<entropy file> command line option. The
# specified file needs to be readable and writable by wpa_supplicant.
#
# If the os_get_random() is known to provide strong random data (e.g., on
# Linux/BSD, the board in question is known to have reliable source of random
# data from /dev/urandom), the internal wpa_supplicant random pool can be
# disabled. This will save some in binary size and CPU use. However, this
# should only be considered for builds that are known to be used on devices
# that meet the requirements described above.
#CONFIG_NO_RANDOM_POOL=y

# Should we attempt to use the getrandom(2) call that provides more reliable
# yet secure randomness source than /dev/random on Linux 3.17 and newer.
# Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
#CONFIG_GETRANDOM=y

# IEEE 802.11ac (Very High Throughput) support (mainly for AP mode)
CONFIG_IEEE80211AC=y

# IEEE 802.11ax HE support (mainly for AP mode)
CONFIG_IEEE80211AX=y

# IEEE 802.11be EHT support (mainly for AP mode)
# CONFIG_IEEE80211AX is mandatory for setting CONFIG_IEEE80211BE.
# Note: This is experimental and work in progress. The definitions are still
# subject to change and this should not be expected to interoperate with the
# final IEEE 802.11be version.
#CONFIG_IEEE80211BE=y

# Wireless Network Management (IEEE Std 802.11v-2011)
# Note: This is experimental and not complete implementation.
#CONFIG_WNM=y

# Interworking (IEEE 802.11u)
# This can be used to enable functionality to improve interworking with
# external networks (GAS/ANQP to learn more about the networks and network
# selection based on available credentials).
CONFIG_INTERWORKING=y

# Hotspot 2.0
CONFIG_HS20=y

# Enable interface matching in wpa_supplicant
#CONFIG_MATCH_IFACE=y

# Disable roaming in wpa_supplicant
#CONFIG_NO_ROAMING=y

# AP mode operations with wpa_supplicant
# This can be used for controlling AP mode operations with wpa_supplicant. It
# should be noted that this is mainly aimed at simple cases like
# WPA2-Personal while more complex configurations like WPA2-Enterprise with an
# external RADIUS server can be supported with hostapd.
CONFIG_AP=y

# P2P (Wi-Fi Direct)
# This can be used to enable P2P support in wpa_supplicant. See README-P2P for
# more information on P2P operations.
CONFIG_P2P=y

# Enable TDLS support
CONFIG_TDLS=y

# Wi-Fi Display
# This can be used to enable Wi-Fi Display extensions for P2P using an external
# program to control the additional information exchanges in the messages.
CONFIG_WIFI_DISPLAY=y

# Autoscan
# This can be used to enable automatic scan support in wpa_supplicant.
# See wpa_supplicant.conf for more information on autoscan usage.
#
# Enabling directly a module will enable autoscan support.
# For exponential module:
#CONFIG_AUTOSCAN_EXPONENTIAL=y
# For periodic module:
CONFIG_AUTOSCAN_PERIODIC=y

# Password (and passphrase, etc.) backend for external storage
# These optional mechanisms can be used to add support for storing passwords
# and other secrets in external (to wpa_supplicant) location. This allows, for
# example, operating system specific key storage to be used
#
# External password backend for testing purposes (developer use)
#CONFIG_EXT_PASSWORD_TEST=y
# File-based backend to read passwords from an external file.
#CONFIG_EXT_PASSWORD_FILE=y

# Enable Fast Session Transfer (FST)
CONFIG_FST=y

# Enable CLI commands for FST testing
CONFIG_FST_TEST=y

# OS X builds. This is only for building eapol_test.
#CONFIG_OSX=y

# Automatic Channel Selection
# This will allow wpa_supplicant to pick the channel automatically when channel
# is set to "0".
#
# TODO: Extend parser to be able to parse "channel=acs_survey" as an alternative
# to "channel=0". This would enable us to eventually add other ACS algorithms in
# similar way.
#
# Automatic selection is currently only done through initialization, later on
# we hope to do background checks to keep us moving to more ideal channels as
# time goes by. ACS is currently only supported through the nl80211 driver and
# your driver must have survey dump capability that is filled by the driver
# during scanning.
#
# TODO: In analogy to hostapd be able to customize the ACS survey algorithm with
# a newly to create wpa_supplicant.conf variable acs_num_scans.
#
# Supported ACS drivers:
# * ath9k
# * ath5k
# * ath10k
#
# For more details refer to:
# http://wireless.kernel.org/en/users/Documentation/acs
#CONFIG_ACS=y

# Support Multi Band Operation
#CONFIG_MBO=y

# Fast Initial Link Setup (FILS) (IEEE 802.11ai)
CONFIG_FILS=y
# FILS shared key authentication with PFS
#CONFIG_FILS_SK_PFS=y

# Support RSN on IBSS networks
# This is needed to be able to use mode=1 network profile with proto=RSN and
# key_mgmt=WPA-PSK (i.e., full key management instead of WPA-None).
CONFIG_IBSS_RSN=y

# External PMKSA cache control
# This can be used to enable control interface commands that allow the current
# PMKSA cache entries to be fetched and new entries to be added.
#CONFIG_PMKSA_CACHE_EXTERNAL=y

# Mesh Networking (IEEE 802.11s)
CONFIG_MESH=y

# Background scanning modules
# These can be used to request wpa_supplicant to perform background scanning
# operations for roaming within an ESS (same SSID). See the bgscan parameter in
# the wpa_supplicant.conf file for more details.
# Periodic background scans based on signal strength
CONFIG_BGSCAN_SIMPLE=y
# Learn channels used by the network and try to avoid bgscans on other
# channels (experimental)
#CONFIG_BGSCAN_LEARN=y

# Opportunistic Wireless Encryption (OWE)
# Experimental implementation of draft-harkins-owe-07.txt
#CONFIG_OWE=y

# Device Provisioning Protocol (DPP) (also known as Wi-Fi Easy Connect)
CONFIG_DPP=y
# DPP version 2 support
CONFIG_DPP2=y
# DPP version 3 support (experimental and still changing; do not enable for
# production use)
#CONFIG_DPP3=y

# Wired equivalent privacy (WEP)
# WEP is an obsolete cryptographic data confidentiality algorithm that is not
# considered secure. It should not be used for anything anymore. The
# functionality needed to use WEP is available in the current wpa_supplicant
# release under this optional build parameter. This functionality is subject to
# be completely removed in a future release.
#CONFIG_WEP=y

# Remove all TKIP functionality
# TKIP is an old cryptographic data confidentiality algorithm that is not
# considered secure. It should not be used anymore for anything else than a
# backwards compatibility option as a group cipher when connecting to APs that
# use WPA+WPA2 mixed mode. For now, the default wpa_supplicant build includes
# support for this by default, but that functionality is subject to be removed
# in the future.
#CONFIG_NO_TKIP=y

# Pre-Association Security Negotiation (PASN)
# Experimental implementation based on IEEE P802.11z/D2.6 and the protocol
# design is still subject to change. As such, this should not yet be enabled in
# production use.
#CONFIG_PASN=y

# Disable support for Radio Measurement (IEEE 802.11k) and supported operating
# class indication. Removing these is not recommended since they can help the
# AP manage the network and STA steering.
#CONFIG_NO_RRM=y

# Disable support for Robust AV streaming for consumer and enterprise Wi-Fi
# applications; IEEE Std 802.11-2020, 4.3.24; SCS, MSCS, QoS Management
#CONFIG_NO_ROBUST_AV=y

# Disable support for WMM admission control
#CONFIG_NO_WMM_AC=y

# Wi-Fi Aware unsynchronized service discovery (NAN USD)
#CONFIG_NAN_USD=y

Greetings
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