runner.patch

diff --git tools/templates/moar/rakudo-m-build.c.in tools/templates/moar/rakudo-m-build.c.in
index 1c8df46ca..1b4280919 100644
--- tools/templates/moar/rakudo-m-build.c.in
+++ tools/templates/moar/rakudo-m-build.c.in
@@ -3,6 +3,7 @@
 #include <string.h>
 #include <errno.h>
 #include <unistd.h>
+#include <sys/wait.h>
 extern char **environ;
 
 int main(int argc, char *argv[])
@@ -42,7 +43,16 @@ int main(int argc, char *argv[])
     // parent folder.
     setenv("RAKUDO_HOME", "@c_escape(@nfp(@base_dir@/gen/build_rakudo_home)@)@", 1);
 
-    execve(moar, exec_argv, environ);
+    for (int i = 0; i < 100; i++) {
+        int pid = fork();
+        if (pid == 0) {
+            execve(moar, exec_argv, environ);
+            return 0;
+        }
+        int status;
+        wait(&status);
+    }
+
 
     // execv doesn't return on successful exec.
     fprintf(stderr, "ERROR: Failed to execute moar. Error code: %i\n", errno);