John Emmas wrote on 09 October 2008 15:43:
> Create an empty CPP source file and simply add the following line:-
>
> #include <fstream>
>
> Now try to compile the file. In my case I get around 50 errors, the first
> of which is:-
>
> \usr\include\pthread.h: 77: error: `pthread_attr_t' was not declared in
> this scope
>
> Now change the file's extension to ".c" and re-compile. This gives
> another host of errors, but different errors from the previous ones..!
Use "gcc" to compile C files and "g++" to compile C++ files.
> If you can't reproduce this, then the most likely cause is that
... you forgot to show us the compiler command-line you're using.
/tmp $ cat f.cpp
#include <fstream>
int main (int argc, const char **argv)
{
return 0;
}
/tmp $ g++ f.cpp -o f
/tmp $ echo $?
0
/tmp $
> BTW, am I right in thinking that Cygwin's gcc is still at revision 3.4.4?
We have a separate set of gcc-4 packages. See
http://cygwin.com/ml/cygwin-announce/2008-09/msg00005.html
cheers,
DaveK
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