Question

                 from /[...]/sentry-native/external/crashpad/util/linux/thread_info.cc:15:
/opt/toolchain/ingenic/mips-linux-gnu-ingenic-gcc7.2.0-uclibc-ng.1.0.42-fp64-r5.1.6/mips-linux-uclibc/libc/usr/include/sys/user.h:179:3: error: 'size_t' does not name a type; did you mean '__size_t'?
   size_t u_tsize;  /* text size (pages) */
   ^~~~~~
   __size_t

Answer

#include <stddef.h>