CMake: Add sigaction, sigaltstack, self dbg

2020-06-27 14:50:59 +01:00
parent 10626baaf2
commit 6b7668dc83
4 changed files with 87 additions and 0 deletions
--- a/cmake/FindSigaction.cmake
+++ b/cmake/FindSigaction.cmake
@@ -0,0 +1,26 @@
+include(CheckCXXSourceCompiles)
+
+check_cxx_source_compiles("
+    #include <signal.h>
+    void *addr;
+    int code;
+    void handler(int sig, siginfo_t *si, void *context) {
+        addr = si->si_addr;
+        code = si->si_code;
+    }
+    int main() {
+        struct sigaction sa;
+        sa.sa_flags = SA_SIGINFO;
+        sigemptyset(&sa.sa_mask);
+        sa.sa_sigaction = handler;
+        sigaction(SIGSEGV, &sa, 0);
+        return 0;
+    }"
+    SIGACTION_FOUND
+)
+
+if (SIGACTION_FOUND)
+    add_compile_options(
+        -DWITH_SIGACTION
+    )
+endif (SIGACTION_FOUND)