uint32_t& c; string str("10); [...] c = lexical_cast(str);

I obtaing  link error with VC 2010 (I use the code::blocks IDE):

error LNK2019: riferimento al simbolo esterno "void __cdecl boost::throw_exception(class std::exception const &)" (?throw_exception@boost@@YAXABVexception@std@@@Z) non risolto nella funzione "unsigned int __cdecl boost::detail::lexical_cast,0,char>(class std::basic_string const &,char *,unsigned int)" (??$lexical_cast@IV?$basic_string@DU?$char_LIBCMT.lib(wincrt0.obj)||error LNK2019: riferimento al simbolo esterno _WinMain@16 non risolto nella funzione ___tmainCRTStartup| LockFile.exe||fatal error LNK1120: 2 esterni non risolti

Do you compile with exception handling switched on (/GX compiler flag)?

Hi there, just by looking at your code I can spot two things. First "c" cannot be defined as reference without being assigned assigned to some uint32_t instance. Second, there is an apostrophe missing when creating the "str". Please provide a small complete code sample that shows your problems. Regards, Christian On Mon, Nov 22, 2010 at 1:56 AM, Claude wrote:

Hi!

I use the line:

uint32_t& c; string str("10); [...] c = lexical_cast(str);

I obtaing  link error with VC 2010 (I use the code::blocks IDE):

error LNK2019: riferimento al simbolo esterno "void __cdecl boost::throw_exception(class std::exception const &)" (?throw_exception@boost@@YAXABVexception@std@@@Z) non risolto nella funzione "unsigned int __cdecl boost::detail::lexical_cast,0,char>(class std::basic_string const &,char *,unsigned int)" (??$lexical_cast@IV?$basic_string@DU?$char_LIBCMT.lib(wincrt0.obj)||error LNK2019: riferimento al simbolo esterno _WinMain@16 non risolto nella funzione ___tmainCRTStartup| LockFile.exe||fatal error LNK1120: 2 esterni non risolti

But the same code in GCC under Linux work well.

Why?

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