[ 46%] Building CXX object src/CMakeFiles/zm.dir/zm_font.cpp.o
[ 47%] Building CXX object src/CMakeFiles/zm.dir/zm_frame.cpp.o
[ 48%] Building CXX object src/CMakeFiles/zm.dir/zm_group.cpp.o
[ 49%] Building CXX object src/CMakeFiles/zm.dir/zm_image.cpp.o
[ 49%] Building CXX object src/CMakeFiles/zm.dir/zm_jpeg.cpp.o
[ 50%] Building CXX object src/CMakeFiles/zm.dir/zm_libvlc_camera.cpp.o
/tmp/cirrus-ci-build/src/zm_image.cpp:246:3: error: converting the result of '<<' to a boolean always evaluates to true [-Werror,-Wtautological-constant-compare]
  zm_dump_video_frame(frame, "Image.Assign(frame)");
  ^
/tmp/cirrus-ci-build/src/zm_ffmpeg.h:182:23: note: expanded from macro 'zm_dump_video_frame'
      frame->flags && AV_FRAME_FLAG_KEY \
                      ^
/tmp/cirrus-ci-build/src/zm_image.cpp:291:3: error: converting the result of '<<' to a boolean always evaluates to true [-Werror,-Wtautological-constant-compare]
  zm_dump_video_frame(frame, "Image.Populate(frame)");
  ^
/tmp/cirrus-ci-build/src/zm_ffmpeg.h:182:23: note: expanded from macro 'zm_dump_video_frame'
      frame->flags && AV_FRAME_FLAG_KEY \
                      ^
/tmp/cirrus-ci-build/src/zm_image.cpp:323:3: error: converting the result of '<<' to a boolean always evaluates to true [-Werror,-Wtautological-constant-compare]
  zm_dump_video_frame(frame, "source frame before convert");
  ^
/tmp/cirrus-ci-build/src/zm_ffmpeg.h:182:23: note: expanded from macro 'zm_dump_video_frame'
      frame->flags && AV_FRAME_FLAG_KEY \
                      ^
/tmp/cirrus-ci-build/src/zm_image.cpp:338:3: error: converting the result of '<<' to a boolean always evaluates to true [-Werror,-Wtautological-constant-compare]
  zm_dump_video_frame(temp_frame, "dest frame after convert");
  ^
/tmp/cirrus-ci-build/src/zm_ffmpeg.h:182:23: note: expanded from macro 'zm_dump_video_frame'
      frame->flags && AV_FRAME_FLAG_KEY \
                      ^
/tmp/cirrus-ci-build/src/zm_image.cpp:1178:60: error: missing field 'l_sysid' initializer [-Werror,-Wmissing-field-initializers]
  struct flock fl = { F_WRLCK, SEEK_SET, 0,       0,     0 };
                                                           ^
5 errors generated.
--- src/CMakeFiles/zm.dir/zm_image.cpp.o ---
*** [src/CMakeFiles/zm.dir/zm_image.cpp.o] Error code 1

make[2]: stopped in /tmp/cirrus-ci-build/build
1 error

make[2]: stopped in /tmp/cirrus-ci-build/build
--- src/CMakeFiles/zm.dir/all ---
*** [src/CMakeFiles/zm.dir/all] Error code 2

make[1]: stopped in /tmp/cirrus-ci-build/build
1 error

make[1]: stopped in /tmp/cirrus-ci-build/build
*** [all] Error code 2

make: stopped in /tmp/cirrus-ci-build/build
1 error

make: stopped in /tmp/cirrus-ci-build/build

Exit status: 2