According to this thread:
Cocoabuilder - (Dmitry Markman) ostringstream problem with Xcode 3.2
Assuming you're using Xcode, try setting it to build as Release rather than Debug?
Type: Posts; User: JacobN
According to this thread:
Cocoabuilder - (Dmitry Markman) ostringstream problem with Xcode 3.2
Assuming you're using Xcode, try setting it to build as Release rather than Debug?
Except that's C and not defined in ANSI-C nor a part of C++?