Hisashi T Fujinaka wrote:
> >> I think this broke my build. Config params are:
> >>
> >> ./configure --disable-canberra --disable-darwin --enable-cscope
> >> --enable-gui=gtk2 --enable-multibyte --enable-pythoninterp
> >> --enable-terminal
> >>
> >> The error I get is in the final linking:
> >>
> >> Undefined symbols for architecture x86_64:
> >> "_timer_create", referenced from:
> >> _start_timeout in os_unix.o
> >> "_timer_settime", referenced from:
> >> _stop_timeout in os_unix.o
> >> _start_timeout in os_unix.o
> >> ld: symbol(s) not found for architecture x86_64
> >> clang: error: linker command failed with exit code 1 (use -v to see
> >> invocation)
> >
> > What system is this on?
>
> This is on a Mac running Monterrey (or is it Monterey?)
>
> > What is the contents of auto/config.h ?
> > Specifically the value of HAVE_TIMER_CREATE
>
> /* #undef HAVE_TIMER_CREATE */
I now see that in os_unix.c there is this line:
# if defined(HAVE_TIMER_CREATE) || defined(MACOS_X)
This assumes that any Mac system has timer_create(). Looks like this
isn't true. Can you change that line to:
# if defined(HAVE_TIMER_CREATE)
It looks like this is the only line where this matters.
> > Also, the contents of auto/config.log where it says "checking for
> > timer_create"
>
> configure:13071: checking for timer_create
> configure:13098: gcc -o conftest -g -O2 -I/opt/sw/include -DMACOS_X
> conftest.c -lncurses -L/opt/sw/lib -lsodium -lrt >&5
> conftest.c:149:34: warning: omitting the parameter name in a function
> definition is a C2x extension [-Wc2x-extensions]
> static void set_flag(union sigval) {}
> ^
> conftest.c:157:3: error: unknown type name 'timer_t'; did you mean 'time_t'?
> timer_t timer_id;
> ^~~~~~~
> time_t
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/_types/_time_t.h:31:33:
> note: 'time_t' declared here
> typedef __darwin_time_t time_t;
> ^
> conftest.c:161:3: error: implicit declaration of function 'timer_create' is
> invalid in C99 [-Werror,-Wimplicit-function-declaration]
> timer_create(CLOCK_REALTIME, &action, &timer_id);
> ^
> 1 warning and 2 errors generated.
> c
>
> > What is the build command used? Do you overrule $LIBS perhaps?
>
> make
I meant the linker command that gets executed. But considering the
above, it would not matter.
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