issues with gettime on mach kernel.

src/core/util.c

@@ -596,6 +596,11 @@ JanetTable *janet_get_core_table(const char *name) {
 
 /* Clock shims for various platforms */
 #ifdef JANET_GETTIME
+/* For macos */
+#ifdef __MACH__
+#include <mach/clock.h>
+#include <mach/mach.h>
+#endif
 #ifdef JANET_WINDOWS
 int janet_gettime(struct timespec *spec) {
     FILETIME ftime;

src/mainclient/shell.c

@@ -1006,8 +1006,10 @@ int main(int argc, char **argv) {
     SetConsoleOutputCP(65001);
 #endif
 
+#if !defined(JANET_WINDOWS) && !defined(JANET_SIMPLE_GETLINE)
     /* Try and not leave the terminal in a bad state */
     atexit(norawmode);
+#endif
 
     /* Set up VM */
     janet_init();