[Bug 255390] FIB_ALGO fails to build without VIMAGE due to -Werror

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Apr 25 12:46:09 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255390

            Bug ID: 255390
           Summary: FIB_ALGO fails to build without VIMAGE due to -Werror
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Keywords: needs-patch
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: jbeich at FreeBSD.org
                CC: melifaro at FreeBSD.org

Exposed by src 6993187a8c30

$ cat sys/amd64/conf/MYKERNEL
include GENERIC-NODEBUG
ident MYKERNEL
nooption VIMAGE

$ make buildkernel
[...]
sys/net/route/fib_algo.c:592:28: error: variable 'bucket_time_ms' is
uninitialized when used within its own initialization [-Werror,-Wuninitialized]
        uint32_t bucket_time_ms = V_bucket_time_ms;
                 ~~~~~~~~~~~~~~   ^~~~~~~~~~~~~~~~
sys/net/route/fib_algo.c:112:31: note: expanded from macro 'V_bucket_time_ms'
#define V_bucket_time_ms        VNET(bucket_time_ms)
                                     ^~~~~~~~~~~~~~
sys/net/vnet.h:436:20: note: expanded from macro 'VNET'
#define VNET(n)                 (n)
                                 ^
1 error generated.

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