On 9/13/20 6:42 PM, mingli...@windriver.com wrote: > From: Mingli Yu <mingli...@windriver.com> > > There comes below build failure when use gcc 10.1.0 and > "-Og" passed to compiler. > | > /usr/lib/gcc/x86_64-wrs-linux/10.1.0/../../../../x86_64-wrs-linux/bin/ld.bfd: > /mnt/build/tmp/work/x86_64-linux/qemu-system-native/5.1.0-r0/qemu-5.1.0/fsdev/qemu-fsdev-throttle.c:25: > undefined reference to `unknown_lock_type' > | > /usr/lib/gcc/x86_64-wrs-linux/10.1.0/../../../../x86_64-wrs-linux/bin/ld.bfd: > ../fsdev/qemu-fsdev-throttle.o: in function `fsdev_co_throttle_request': > | > /mnt/build/tmp/work/x86_64-linux/qemu-system-native/5.1.0-r0/qemu-5.1.0/fsdev/qemu-fsdev-throttle.c:103: > undefined reference to `unknown_lock_type' > | > /usr/lib/gcc/x86_64-wrs-linux/10.1.0/../../../../x86_64-wrs-linux/bin/ld.bfd: > ../fsdev/qemu-fsdev-throttle.o:/mnt/build/tmp/work/x86_64-linux/qemu-system-native/5.1.0-r0/qemu-5.1.0/fsdev/qemu-fsdev-throttle.c:103: > more undefined references to `unknown_lock_type' follow > | collect2: error: ld returned 1 exit status > > So always define unknown_lock_type to fix the above error.
There's a lot that won't work with -Og, including stuff that uses qemu_build_not_reached (which this itself should have been using). r~
