^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c:875:41: warning: 'nonnull' argument '__accept' compared to NULL [-Wnonnull-compare]
  875 |   if (unlikely (__s == NULL || __accept == NULL)) {
      |                                         ^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c: In function 'strcasestr':
memstomp.c:907:28: warning: 'nonnull' argument '__haystack' compared to NULL [-Wnonnull-compare]
  907 |   if (unlikely (__haystack == NULL || __needle == NULL)) {
      |                            ^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c:907:48: warning: 'nonnull' argument '__needle' compared to NULL [-Wnonnull-compare]
  907 |   if (unlikely (__haystack == NULL || __needle == NULL)) {
      |                                                ^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c: In function 'memmem':
memstomp.c:924:28: warning: 'nonnull' argument '__haystack' compared to NULL [-Wnonnull-compare]
  924 |   if (unlikely (__haystack == NULL || __needle == NULL)) {
      |                            ^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c:924:48: warning: 'nonnull' argument '__needle' compared to NULL [-Wnonnull-compare]
  924 |   if (unlikely (__haystack == NULL || __needle == NULL)) {
      |                                                ^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c: In function 'strtok':
memstomp.c:63:38: warning: 'nonnull' argument '__delim' compared to NULL [-Wnonnull-compare]
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                      ^~~~~
memstomp.c:940:7: note: in expansion of macro 'unlikely'
  940 |   if (unlikely (__delim == NULL)) {
      |       ^~~~~~~~
memstomp.c: In function 'strtok_r':
memstomp.c:957:25: warning: 'nonnull' argument '__delim' compared to NULL [-Wnonnull-compare]
  957 |   if (unlikely (__delim == NULL || __save_ptr)) {
      |                         ^
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
memstomp.c:957:33: warning: 'nonnull' argument '__save_ptr' compared to NULL [-Wnonnull-compare]
  957 |   if (unlikely (__delim == NULL || __save_ptr)) {
      |                                 ^~
memstomp.c:63:41: note: in definition of macro 'unlikely'
   63 | #define unlikely(x) __builtin_expect(!!(x), 0)
      |                                         ^
make[1]: Leaving directory '/builddir/build/BUILD/memstomp-0.1.4-38573e7d'
make: *** [Makefile:456: all] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.qyOZ51 (%build)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.qyOZ51 (%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/memstomp.spec