Apparently _md5 also works

Well not really, it crashes the GC by simply existing, but it's close!

src/Makefile

@@ -268,7 +268,7 @@ SRCS := $(MAIN_SRCS) $(STDLIB_SRCS)
 STDLIB_OBJS := stdlib.bc.o stdlib.stripped.bc.o
 STDLIB_RELEASE_OBJS := stdlib.release.bc.o
 
-STDMODULES_SRCS := errnomodule.c shamodule.c
+STDMODULES_SRCS := errnomodule.c shamodule.c md5.c md5module.c
 STDMODULES_SRCS := $(addprefix ../lib_python/2.7_Modules/,$(STDMODULES_SRCS))
 
 # The stdlib objects have slightly longer dependency chains,

src/runtime/types.cpp

@@ -33,6 +33,7 @@
 
 extern "C" void initerrno();
 extern "C" void init_sha();
+extern "C" void init_md5();
 
 namespace pyston {
 
@@ -630,6 +631,7 @@ void setupRuntime() {
 
     initerrno();
     init_sha();
+    // init_md5();
 
     setupSysEnd();
 

test/tests/md5test.py

+# expected: fail
+# - warnings about PyString_AsString(), since that is allowed to be modified
+
+try:
+    import _md5 as md5
+except ImportError:
+    import md5
+
+m = md5.new()
+print m.hexdigest()
+m.update("aoeu")
+print m.hexdigest()