[Bug 1861551] Re: Errors while compiling source

[Peter Maydell]

Hi. The CLOCK_MONOTONIC facility was added in OSX 10.12; the version of
OSX you're using is too old to build QEMU on, I'm afraid. QEMU's policy
is to support the last two releases of OSX, so at the moment that's
10.14 and 10.15. Compiling on older versions might work, but it also
might not, as you've discovered.


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

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https://bugs.launchpad.net/bugs/1861551

Title:
  Errors while compiling source

Status in QEMU:
  Won't Fix

Bug description:
  OS type: Mac OS X 10.11.6
  List of errors:
  qemu-io-cmds.c:837:5: warning: implicit declaration of function 
'clock_gettime' is invalid in C99 [-Wimplicit-function-declaration]
      clock_gettime(CLOCK_MONOTONIC, &t1);
      ^
  qemu-io-cmds.c:837:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t1);
                    ^
  qemu-io-cmds.c:843:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  qemu-io-cmds.c:970:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t1);
                    ^
  qemu-io-cmds.c:972:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  qemu-io-cmds.c:1184:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t1);
                    ^
  qemu-io-cmds.c:1194:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  qemu-io-cmds.c:1306:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t1);
                    ^
  qemu-io-cmds.c:1308:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  qemu-io-cmds.c:1351:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  qemu-io-cmds.c:1383:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  qemu-io-cmds.c:1518:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &ctx->t1);
                    ^
  qemu-io-cmds.c:1663:23: error: use of undeclared identifier 'CLOCK_MONOTONIC'
          clock_gettime(CLOCK_MONOTONIC, &ctx->t1);
                        ^
  qemu-io-cmds.c:1885:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t1);
                    ^
  qemu-io-cmds.c:1887:19: error: use of undeclared identifier 'CLOCK_MONOTONIC'
      clock_gettime(CLOCK_MONOTONIC, &t2);
                    ^
  1 warning and 14 errors generated.
  make: *** [qemu-io-cmds.o] Error 1

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