[Bug 1888431] [NEW] v5.1.0-rc1 build fails on Mac OS X 10.11.6

[Robert Ball]

Public bug reported:

Hi all,

build of tag v5.1.0-rc1 fails on Mac OS X 10.11.6 (El Capitan) with the
following error:

git clone https://git.qemu.org/git/qemu.git
    <output elided, but all OK>
cd qemu
git submodule init
    <output elided, but all OK>
git submodule update --recursive
    <output elided, but all OK>
./configure
    <output elided, but all OK>
make
    <output elided, but all OK up until fail>

  CC      trace/control.o
In file included from trace/control.c:29:
In file included from /Users/rtb/src/qemu/include/monitor/monitor.h:4:
In file included from /Users/rtb/src/qemu/include/block/block.h:4:
In file included from /Users/rtb/src/qemu/include/block/aio.h:23:
/Users/rtb/src/qemu/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/rtb/src/qemu/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


rtb:qemu rtb$ git log -n1
commit c8004fe6bbfc0d9c2e7b942c418a85efb3ac4b00 (HEAD -> master, tag: 
v5.1.0-rc1, origin/master, origin/HEAD)
Author: Peter Maydell <peter.maydell@linaro.org>
Date:   Tue Jul 21 20:28:59 2020 +0100

    Update version for v5.1.0-rc1 release
    
    Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
rtb:qemu rtb$ 


Please find the full output of all the commands (from git clone of the repo, to 
the make) in the attached file "buildfail.txt".

Thank you!

Best regards,

Robert Ball

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: build-failed macosx-10.11.6 v5.1.0-rc1

** Attachment added: "full output of git clone through make"
   
https://bugs.launchpad.net/bugs/1888431/+attachment/5394703/+files/buildfail.txt

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https://bugs.launchpad.net/bugs/1888431

Title:
  v5.1.0-rc1 build fails on Mac OS X 10.11.6

Status in QEMU:
  New

Bug description:
  Hi all,

  build of tag v5.1.0-rc1 fails on Mac OS X 10.11.6 (El Capitan) with
  the following error:

  git clone https://git.qemu.org/git/qemu.git
      <output elided, but all OK>
  cd qemu
  git submodule init
      <output elided, but all OK>
  git submodule update --recursive
      <output elided, but all OK>
  ./configure
      <output elided, but all OK>
  make
      <output elided, but all OK up until fail>

    CC      trace/control.o
  In file included from trace/control.c:29:
  In file included from /Users/rtb/src/qemu/include/monitor/monitor.h:4:
  In file included from /Users/rtb/src/qemu/include/block/block.h:4:
  In file included from /Users/rtb/src/qemu/include/block/aio.h:23:
  /Users/rtb/src/qemu/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/rtb/src/qemu/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

  
  rtb:qemu rtb$ git log -n1
  commit c8004fe6bbfc0d9c2e7b942c418a85efb3ac4b00 (HEAD -> master, tag: 
v5.1.0-rc1, origin/master, origin/HEAD)
  Author: Peter Maydell <peter.maydell@linaro.org>
  Date:   Tue Jul 21 20:28:59 2020 +0100

      Update version for v5.1.0-rc1 release
      
      Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
  rtb:qemu rtb$ 

  
  Please find the full output of all the commands (from git clone of the repo, 
to the make) in the attached file "buildfail.txt".

  Thank you!

  Best regards,

  Robert Ball

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