Merge branch 'incoming'

1 files changed, 7 insertions, 2 deletions

diff --git a/emcc b/emcc
index 7e7efe6d..dc8bd630 100755
--- a/emcc
+++ b/emcc
@@ -335,7 +335,11 @@ Options that are modified or new in %s include:
                            builds - where you are compiling a large
                            program but only modified a small part of it -
                            to be much faster (at the cost of more disk
-                           IO for cache accesses).
+                           IO for cache accesses). Note that you need
+                           to enable --jcache for both loading and saving
+                           of data, so you must enable it on a full build
+                           for a later incremental build (where you also
+                           enable it) to be sped up.
 
   --clear-cache            Manually clears the cache of compiled
                            emscripten system libraries (libc++,
@@ -772,7 +776,8 @@ try:
           else:
             print >> sys.stderr, 'emcc: %s: warning: Not valid LLVM bitcode' % arg
       else:
-        print >> sys.stderr, 'emcc: %s: warning: No such file or directory' % arg
+        print >> sys.stderr, 'emcc: %s: error: No such file or directory' % arg
+        exit(1)
     elif arg.startswith('-L'):
       lib_dirs.append(arg[2:])
       newargs[i] = ''