Lots of minor compat stuff while seeing if bash would build.

We're quite far from bash building, but we'll get there eventually!

LibC/times.cpp

@@ -0,0 +1,8 @@
+#include <sys/times.h>
+#include <assert.h>
+
+clock_t times(struct tms*)
+{
+    assert(false);
+    return 0;
+}