If you get this compile warning, compiling will be significantly slowed down. Luckily, the problem is easy to solve.

There are many ways to get this warning. Below I'll show how to cause one and how to solve all.

Full warning message


[C++ Warning] locale(150): W8058 Cannot create pre-compiled header: initialized data in header

Cause


#include <boost/lexical_cast.hpp>

#pragma hdrstop

Which takes you to the following line in 'include/stlport/locale':


#ifndef __LOCALE_INITIALIZED

#define __LOCALE_INITIALIZED

// Global initializer object, to ensure initialization of locale subsystem.

#ifndef __BORLANDC

static

#else

extern _STLP_DECLSPEC

#endif

ios_base::_Loc_init _LocInit;      //This line

#endif

IDE: C++ Builder 6.0

Compiler: Borland BCC32.EXE version 6.0.10.157

Project type: VCL

Boost version: 1.35.0

Solution

Put the #include of the header that causes this behind the #pragma:


#pragma hdrstop

#include <boost/lexical_cast.hpp>

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(C++) Cannot create pre-compiled header: initialized data in header

Full warning message

Cause

Solution