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/FindSigaltstack.cmake
+++ b/cmake/FindSigaltstack.cmake
@@ -0,0 +1,21 @@
+include(CheckCXXSourceCompiles)
+
+check_cxx_source_compiles("
+    #include <signal.h>
+    #include <stdlib.h>
+    int main() {
+        stack_t ss;
+        ss.ss_sp = calloc(SIGSTKSZ, 1);
+        ss.ss_size = SIGSTKSZ;
+        ss.ss_flags = 0;
+        sigaltstack(&ss, nullptr);
+        return 0;
+    }"
+    SIGALTSTACK
+)
+
+if (SIGALTSTACK_FOUND)
+    add_compile_options(
+        -DWITH_SIGALTSTACK
+    )
+endif (SIGALTSTACK_FOUND)