[Bug 1871005] Re: build fails on CLOCK_MONOTONIC

[Peter Maydell]

Hi; I'm afraid that OSX 10.11 "El Capitan" isn't a supported build
platform for QEMU. Our official support policy is that we support the
two most recent versions (currently 10.14 Mojave and 10.15 Catalina);
QEMU may also run on some earlier OSX versions we don't support, but we
don't guarantee that or carry workarounds for missing functionality on
those earlier versions. In this particular case, CLOCK_MONOTONIC was
added to OSX 10.12 "Sierra".


** Changed in: qemu
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1871005

Title:
  build fails on CLOCK_MONOTONIC

Status in QEMU:
  Won't Fix

Bug description:
  Moc OS X.11.6 El Capitan

  build fails on this

  /Users/alba/Downloads/qemu-5.0.0-rc1/include/qemu/timer.h:843:9: warning: 
        implicit declaration of function 'clock_gettime' is invalid in C99
        [-Wimplicit-function-declaration]
          clock_gettime(CLOCK_MONOTONIC, &ts);
          ^
  /Users/alba/Downloads/qemu-5.0.0-rc1/include/qemu/timer.h:843:23: error: use 
of
        undeclared identifier 'CLOCK_MONOTONIC'
          clock_gettime(CLOCK_MONOTONIC, &ts);
                        ^
  1 warning and 1 error generated.
  make: *** [trace/control.o] Error 1

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