diff --git a/deps/libbacktrace b/deps/libbacktrace
index 4ead348b..11427f31 160000
--- a/deps/libbacktrace
+++ b/deps/libbacktrace
@@ -1 +1 @@
-Subproject commit 4ead348bb45f753121ca0bd44170ff8352d4c514
+Subproject commit 11427f31a64b11583fec94b4c2a265c7dafb1ab3
diff --git a/src/ssb.tests.c b/src/ssb.tests.c
index 186e5731..975098d8 100644
--- a/src/ssb.tests.c
+++ b/src/ssb.tests.c
@@ -16,6 +16,10 @@
 #include <time.h>
 #include <unistd.h>
 
+#if !defined(_WIN32)
+#include <sys/wait.h>
+#endif
+
 #if defined(_WIN32)
 #define WIFEXITED(x) 1
 #define WEXITSTATUS(x) (x)
diff --git a/tildefriends.core b/tildefriends.core
new file mode 100644
index 00000000..e69de29b