Tvheadend

TVHeadend fails to build on Ubuntu Groovy on the s390x architecture with the following error:

src/utils.c: In function ‘rmtree’:
src/utils.c:704:36: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
  704 |     snprintf(buf, sizeof(buf), "%s/%s", path, de.d_name);
      |                                    ^~         ~~~~~~~~~
In file included from /usr/include/stdio.h:866,
                 from /usr/include/openssl/bio.h:16,
                 from /usr/include/openssl/evp.h:16,
                 from src/utils.c:23:
/usr/include/s390x-linux-gnu/bits/stdio2.h:70:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils.c:704:36: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
  704 |     snprintf(buf, sizeof(buf), "%s/%s", path, de.d_name);
      |                                    ^~         ~~~~~~~~~
In file included from /usr/include/stdio.h:866,
                 from /usr/include/openssl/bio.h:16,
                 from /usr/include/openssl/evp.h:16,
                 from src/utils.c:23:
/usr/include/s390x-linux-gnu/bits/stdio2.h:70:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils.c:704:36: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
  704 |     snprintf(buf, sizeof(buf), "%s/%s", path, de.d_name);
      |                                    ^~         ~~~~~~~~~
In file included from /usr/include/stdio.h:866,
                 from /usr/include/openssl/bio.h:16,
                 from /usr/include/openssl/evp.h:16,
                 from src/utils.c:23:
/usr/include/s390x-linux-gnu/bits/stdio2.h:70:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils.c:704:36: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
  704 |     snprintf(buf, sizeof(buf), "%s/%s", path, de.d_name);
      |                                    ^~         ~~~~~~~~~
In file included from /usr/include/stdio.h:866,
                 from /usr/include/openssl/bio.h:16,
                 from /usr/include/openssl/evp.h:16,
                 from src/utils.c:23:
/usr/include/s390x-linux-gnu/bits/stdio2.h:70:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils.c:704:36: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
  704 |     snprintf(buf, sizeof(buf), "%s/%s", path, de.d_name);
      |                                    ^~         ~~~~~~~~~
In file included from /usr/include/stdio.h:866,
                 from /usr/include/openssl/bio.h:16,
                 from /usr/include/openssl/evp.h:16,
                 from src/utils.c:23:
/usr/include/s390x-linux-gnu/bits/stdio2.h:70:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils.c:704:36: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
  704 |     snprintf(buf, sizeof(buf), "%s/%s", path, de.d_name);
      |                                    ^~         ~~~~~~~~~
In file included from /usr/include/stdio.h:866,
                 from /usr/include/openssl/bio.h:16,
                 from /usr/include/openssl/evp.h:16,
                 from src/utils.c:23:
/usr/include/s390x-linux-gnu/bits/stdio2.h:70:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I do not suspect this issue was due to any recent change in TVHeadend itself, but is likely due to glibc getting upgraded to 2.32 in Ubuntu Groovy.