8:
pri_q921.h:136:11: note: while referencing 'data'
  136 |  u_int8_t data[0];  /* Any further data */
      |           ^~~~
q921.c:1528:15: error: array subscript 1 is outside the bounds of an interior zero-length array 'u_int8_t[0]' {aka 'unsigned char[0]'} [-Werror=zero-length-bounds]
 1528 |  ri = (h->data[1] << 8) | h->data[2];
      |        ~~~~~~~^~~
In file included from pri_internal.h:35,
                 from q921.c:38:
pri_q921.h:136:11: note: while referencing 'data'
  136 |  u_int8_t data[0];  /* Any further data */
      |           ^~~~
q921.c:1528:34: error: array subscript 2 is outside the bounds of an interior zero-length array 'u_int8_t[0]' {aka 'unsigned char[0]'} [-Werror=zero-length-bounds]
 1528 |  ri = (h->data[1] << 8) | h->data[2];
      |                           ~~~~~~~^~~
In file included from pri_internal.h:35,
                 from q921.c:38:
pri_q921.h:136:11: note: while referencing 'data'
  136 |  u_int8_t data[0];  /* Any further data */
      |           ^~~~
q921.c:1529:16: error: array subscript 4 is outside the bounds of an interior zero-length array 'u_int8_t[0]' {aka 'unsigned char[0]'} [-Werror=zero-length-bounds]
 1529 |  tei = (h->data[4] >> 1);
      |         ~~~~~~~^~~
In file included from pri_internal.h:35,
                 from q921.c:38:
pri_q921.h:136:11: note: while referencing 'data'
  136 |  u_int8_t data[0];  /* Any further data */
      |           ^~~~
q921.c:1531:17: error: array subscript 3 is outside the bounds of an interior zero-length array 'u_int8_t[0]' {aka 'unsigned char[0]'} [-Werror=zero-length-bounds]
 1531 |  switch (h->data[3]) {
      |          ~~~~~~~^~~
In file included from pri_internal.h:35,
                 from q921.c:38:
pri_q921.h:136:11: note: while referencing 'data'
  136 |  u_int8_t data[0];  /* Any further data */
      |           ^~~~
q921.c:1606:12: error: array subscript 4 is outside the bounds of an interior zero-length array 'u_int8_t[0]' {aka 'unsigned char[0]'} [-Werror=zero-length-bounds]
 1606 |   action = &h->data[4];
      |            ^~~~~~~~~~~
In file included from pri_internal.h:35,
                 from q921.c:38:
pri_q921.h:136:11: note: while referencing 'data'
  136 |  u_int8_t data[0];  /* Any further data */
      |           ^~~~
cc1: all warnings being treated as errors
make: *** [Makefile:189: q921.o] Error 1
make: *** Waiting for unfinished jobs....
q931.c: In function 'q931_receive':
q931.c:7688:25: error: array subscript 17 is outside the bounds of an interior zero-length array 'unsigned char[0]' [-Werror=zero-length-bounds]
 7688 |    h->raw[h->crlen + 2] -= 0x8;
      |                         ^~
In file included from pri_internal.h:36,
                 from q931.c:32:
pri_q931.h:40:16: note: while referencing 'raw'
   40 |  unsigned char raw[0];
      |                ^~~
q931.c:7688:25: error: array subscript 17 is outside the bounds of an interior zero-length array 'unsigned char[0]' [-Werror=zero-length-bounds]
 7688 |    h->raw[h->crlen + 2] -= 0x8;
      |    ~~~~~~~~~~~~~~~~~~~~~^~~~~~
In file included from pri_internal.h:36,
                 from q931.c:32:
pri_q931.h:40:16: note: while referencing 'raw'
   40 |  unsigned char raw[0];
      |                ^~~
cc1: all warnings being treated as errors
make: *** [Makefile:189: q931.o] Error 1
RPM build errors:
error: Bad exit status from /var/tmp/rpm-tmp.YtsqJA (%build)
    Bad exit status from /var/tmp/rpm-tmp.YtsqJA (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/libpri.spec