Question

                 from /[...]/sentry-native/external/crashpad/util/linux/socket.cc:22:
/[...]/sentry-native/external/crashpad/third_party/lss/lss/linux_syscall_support.h:342:44: error: 'siginfo_t' has not been declared
     void             (*sa_sigaction_)(int, siginfo_t *, void *);
                                            ^~~~~~~~~

Answer

#include <signal.h>