IWD 2.9 Does Not Compile against Linux-4.9.212 and/or GLibC-2.28

* IWD 2.9 Does Not Compile against Linux-4.9.212 and/or GLibC-2.28
@ 2023-11-26 22:21 Grant Erickson
  2023-11-27  3:25 ` Denis Kenzior
  0 siblings, 1 reply; 4+ messages in thread
From: Grant Erickson @ 2023-11-26 22:21 UTC (permalink / raw)
  To: iwd; +Cc: Marcel Holtmann, Denis Kenzior

IWD Community:

Over on the connman and ell mailing lists, Marcel and Denis have been advocating, rightly so, for iwd over wpa_supplicant for Wi-Fi.

Is there a kernel version expectation of IWD?

For the current project I am engaged on, the kernel is locked at linux-4.9.212, glibc-2.28, and GCC 8.2. With that combination, I have found any reasonably modern version of IWD fails to build.

Denis and Marcel expediently put in place a few patches to make ell-0.61 compile. I suspect a similar set of patches for ell are also applicable to iwd:

    make[1]: Entering directory '${BuildRoot}/third_party/iwd/.build/Makefile/${PRODUCT}/arm/gnu-toolchain/12.3.1/release'
      GEN      ell/shared
      GEN      src/builtin.h
    make --no-print-directory all-am
      CC       client/main.o
      CC       client/adapter.o
      CC       client/agent.o
      CC       client/agent-manager.o
      CC       client/ad-hoc.o
      CC       client/ap.o
      CC       client/command.o
      CC       client/dbus-proxy.o
      CC       client/device.o
      CC       client/display.o
      CC       client/known-networks.o
    ${BuildRoot}/third_party/iwd/iwd-2.9/client/known-networks.c:27: warning: "_XOPEN_SOURCE" redefined
       27 | #define _XOPEN_SOURCE
          | 
    <command-line>: note: this is the location of the previous definition
    ${BuildRoot}/third_party/iwd/iwd-2.9/client/display.c: In function ‘display_init’:
    ${BuildRoot}/third_party/iwd/iwd-2.9/client/display.c:949:44: warning: assignment to ‘void (*)(void)’ from incompatible pointer type ‘void (*)(char **, int,  int)’ [-Wincompatible-pointer-types]
      949 |         rl_completion_display_matches_hook = display_completion_matches;
          |                                            ^
      CC       client/network.o
      CC       client/properties.o
      CC       client/wsc.o
      CC       client/station.o
      CC       client/diagnostic.o
      CC       client/daemon.o
      CC       client/dpp.o
      CC       client/dpp-pkex.o
      CC       client/station-debug.o
      CC       src/util.o
      CC       src/band.o
      CC       monitor/main.o
      CC       monitor/nlmon.o
      CC       monitor/pcap.o
      CC       monitor/display.o
      CC       src/ie.o
      CC       src/wscutil.o
      CC       src/mpdu.o
      CC       src/crypto.o
      CC       src/watchlist.o
      CC       src/eapolutil.o
      CC       src/nl80211cmd.o
      CC       src/p2putil.o
      CC       src/anqputil.o
      CC       src/main.o
      CC       src/netdev.o
      CC       src/wiphy.o
      CC       src/device.o
      CC       src/station.o
      CC       src/dbus.o
      CC       src/eapol.o
      CC       src/handshake.o
      CC       src/scan.o
      CC       src/common.o
      CC       src/agent.o
      CC       src/storage.o
      CC       src/network.o
      CC       src/wsc.o
      CC       src/backtrace.o
      CC       src/knownnetworks.o
      CC       src/rfkill.o
      CC       src/ft.o
      CC       src/ap.o
      CC       src/adhoc.o
      CC       src/sae.o
    In file included from ${BuildRoot}/third_party/iwd/iwd-2.9/src/adhoc.c:28:
    ${BuildRoot}/results/${PRODUCT}/arm/gnu-toolchain/12.3.1/release/third_party/linux/linux-dey/include/linux/if.h:234:34: error: field ‘ifru_addr’ has incomplete type
      234 |                 struct  sockaddr ifru_addr;
          |                                  ^~~~~~~~~
    ${BuildRoot}/results/${PRODUCT}/arm/gnu-toolchain/12.3.1/release/third_party/linux/linux-dey/include/linux/if.h:235:34: error: field ‘ifru_dstaddr’ has incomplete type
      235 |                 struct  sockaddr ifru_dstaddr;
          |                                  ^~~~~~~~~~~~
    ${BuildRoot}/results/${PRODUCT}/arm/gnu-toolchain/12.3.1/release/third_party/linux/linux-dey/include/linux/if.h:236:34: error: field ‘ifru_broadaddr’ has incomplete type
      236 |                 struct  sockaddr ifru_broadaddr;
          |                                  ^~~~~~~~~~~~~~
    ${BuildRoot}/results/${PRODUCT}/arm/gnu-toolchain/12.3.1/release/third_party/linux/linux-dey/include/linux/if.h:237:34: error: field ‘ifru_netmask’ has incomplete type
      237 |                 struct  sockaddr ifru_netmask;
          |                                  ^~~~~~~~~~~~
    ${BuildRoot}/results/${PRODUCT}/arm/gnu-toolchain/12.3.1/release/third_party/linux/linux-dey/include/linux/if.h:238:34: error: field ‘ifru_hwaddr’ has incomplete type
      238 |                 struct  sockaddr ifru_hwaddr;
          |                                  ^~~~~~~~~~~
    make[2]: *** [Makefile:2539: src/adhoc.o] Error 1
    make[2]: *** Waiting for unfinished jobs....
    make[1]: *** [Makefile:1713: all] Error 2
    make[1]: Leaving directory '${BuildRoot}/third_party/iwd/.build/Makefile/${PRODUCT}/arm/gnu-toolchain/12.3.1/release'
    make: *** [Makefile:110: build] Error 2

I expect the ’sockaddr’ issues to be easily resolved with a different set of include directives; however, the rest appear to be new symbols introduced in later kernels.

Best,

Grant

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