id summary reporter owner description type status milestone component version severity resolution keywords cc 3962 filesystem operations.cpp calls std::malloc but does not include stephen.clamage@… Beman Dawes "In the filesystem library, file operations.cpp calls std::malloc without having included either or . The code can work by accident if one of the standard library headers includes or , but you can't depend on it. The code fails to compile using Apache stdcxx due to the missing header. The C++ rule is that if you use a declaration from a standard header, you must explicitly include that header. Reference: C++ 2003 standard, section 17.4.2.1 ""Headers""." Bugs closed Boost 1.43.0 filesystem Boost 1.42.0 Problem fixed