Quick fix gcc version bug

exploitdb/ctfsetup/qemu/setup.py

@@ -127,6 +127,14 @@ def derive_input_kwargs(**kwargs):
         if not gcc_version:
             raise Exception("GCC version cannot be derived from kernel version")
         kwargs['gcc_version'] = gcc_version
+
+        # Buildroot has a major bug in versions before 2018.08. Do not use it no matter what.
+        # Quick workaround: Use 2019.02. and the gcc version  has to be set to 4.9.x
+        # FIXME: implement proper fix
+        # if the gcc_version is 4.x, change it to 4.9.x
+        if kwargs['gcc_version'][:5] == "gcc 4":
+            kwargs['gcc_version'] = "gcc 4.9.x"
+
         verbose_log("gcc_version derived from kernel version:", kwargs['gcc_version'])
 
     return kwargs