Index: utils/ccc
===================================================================
--- utils/ccc	(revision 46878)
+++ utils/ccc	(working copy)
@@ -11,15 +11,18 @@
 #
 ##===----------------------------------------------------------------------===##
 
+import os
 import sys
 import subprocess
+import tempfile
 
 def error(message):
     print >> sys.stderr, 'ccc: ' + message
     sys.exit(1)
 
-def run(args):
-    print >> sys.stderr, ' '.join(args)
+def run(args, silent=False):
+    if not silent:
+        print >> sys.stderr, ' '.join(args)
     code = subprocess.call(args)
     if code > 255:
         code = 1
@@ -30,12 +33,37 @@
     command = 'clang -E'.split()
     run(command + args)
 
-def compile(args):
-    command = 'clang -emit-llvm-bc'.split()
-    run(command + args)
+def compile(args, obj_name):
+    # First, compile the c file into a temporary .bc file
+    bc_fd, bc_name = tempfile.mkstemp('.bc', 'ccc')
+    command = ['clang', '-emit-llvm-bc'] + args + ['-o', bc_name]
+    run(command)
 
+    # Next, perform some necessary optimizations
+    bcopt_fd, bcopt_name = tempfile.mkstemp('.bc', 'ccc')
+    command = ['opt', '-globaldce', bc_name, '-f', '-o', bcopt_name]
+    run(command)
+    
+    os.unlink(bc_name)
+    os.close(bc_fd)
+
+    # Compile the .bc file into an .s file
+    asm_fd, asm_name = tempfile.mkstemp('.s', 'ccc')
+    command = ['llc', bcopt_name, '-f', '-o', asm_name]
+    run(command)
+
+    os.unlink(bcopt_name)
+    os.close(bcopt_fd)
+    
+    # Assemble the .s file
+    command = ['gcc', '-c', asm_name, '-o', obj_name]
+    run(command)
+    
+    os.unlink(asm_name)
+    os.close(asm_fd)
+
 def link(args):
-    command = 'llvm-ld -native'.split()
+    command = 'gcc'.split()
     run(command + args)
 
 def extension(path):
@@ -92,7 +120,7 @@
             link_opts.append(arg)
         
         # Options with one argument that should be ignored
-        if arg in ['--param', '-arch', '-u']:
+        if arg in ['--param', '-arch']:
             i += 1
 
         # Prefix matches for the compile mode
@@ -117,7 +145,7 @@
             link_opts.append(arg)
 
         # Options with one argument that should pass through
-        if arg in ['-framework']:
+        if arg in ['-framework', '-u', '-undefined']:
             link_opts.append(arg)
             link_opts.append(args[i+1])
             i += 1
@@ -185,8 +213,8 @@
                 coutput = changeextension(file, "o")
             else:
                 coutput = output
-            args = ['-x', language, '-o', coutput, file] + compile_opts
-            compile(args)
+            args = ['-x', language, file] + compile_opts
+            compile(args, coutput)
             language = ''
 
     if action == 'link':
@@ -194,8 +222,8 @@
             ext = extension(file)
             if ext != "o" and ext != "a":
                 out = changeextension(file, "o")
-                args = ['-o', out, file] + compile_opts
-                compile(args)
+                args = [file] + compile_opts
+                compile(args, out)
                 files[i] = out
         if not output:
             output = 'a.out'