linker error libcygwin
Philipp Kraus
philipp.kraus@flashpixx.de
Thu Nov 10 21:25:00 GMT 2011
On 2011-11-10 22:11:48 +0100, Greg Chicares said:
> On 2011-11-10 20:39Z, Kraus Philipp wrote:
>>
>> I try to build a program with g++ under Cygwin. I added this libraries
>> to the linker:
>> -lcygboost_system
>
> Shouldn't that be '-lboost_system'? Run 'info ld' and search for
> '--dll-search-prefix': 'cyg-' is a typical default prefix that
> the '-l' option should recognize without your specifying it.
okay, thanks for this hint
>
>> /usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../libcygwin.a(libcmain.o):(.text+0xa9):
>>
>> undefined reference to `_WinMain@16'
>> collect2: ld returned 1 exit status
>
> Does this thread
> http://cygwin.com/ml/cygwin/2011-10/threads.html#00440
> contain the answer?
no, sorry.
> If this is a console application, does it have
> an implementation of main()?
yes the signature of the main is in this example:
int main(int argc, char* argv[])
> Or if it's a windows GUI application,
> is WinMain() implemented in some object file passed to the linker?
No i don't use the WinMain() and I call the compiler / linker with -mconsole
but on 3 examples the error with the WinMain is shown, on other examples
everything works fine, so I don't understand it
Thanks
Phil
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