I was going into a bionic VM and bulding the former built .23 version.
In that environment I can compile file-posix.c.
The simplified call works in that VM:
$ gcc -Iblock -I. -I/home/ubuntu/qemu-2.11+dfsg
-I/home/ubuntu/qemu-2.11+dfsg/include -pthread -I/usr/include/glib-2.0
-I/usr/lib/x86_64-linux-gnu/glib-2.0/include -D_GNU_SOURCE -Wall -Wundef -c -o
file-posix.o ../block/file-posix.c 2>&1
While the same in e.g. a sbuild-chroot does not!
Running the compile with -E shows the usage of BITPER_LONG in e.g. test_bit
code:
return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
good case -E:
return 1UL & (addr[((nr) / (sizeof (unsigned long) * 8))] >> (nr & ((sizeof
(unsigned long) * 8)-1)));
bad case -E doesn't get to that, as it breaks in the preprocessor stage with
the known errors.
I aligned packages by purging all that the VM had on top of the build env.
I did a clean and a new build run to be sure, but still it builds in the VM but
not in the chroot.
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https://bugs.launchpad.net/bugs/1847361
Title:
Upgrade of qemu binaries causes running instances not able to
dynamically load modules
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