Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Thu Oct 9 16:15:00 GMT 2008

On Thu, Oct 09, 2008 at 04:56:11PM +0100, John Emmas wrote:
>On Thu, Oct 09, 2008 at 04:15:51PM +0100, Dave Korn wrote:
>>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 $?
>>/tmp $
>Sorry, I realised almost as soon as I'd posted.  Here's what gets sent
>to g++ (I've split all the elements onto different line just to improve
>legibility).  Is this enough Dave?
> g++.exe -Wall  -g
> -IF:/test/libs/vamp-sdk/
> -IC:/cygwin/usr/include/mingw
> -IC:/cygwin/lib/gcc/i686-pc-cygwin/3.4.4/include/c++
> -IC:/cygwin/include
> -IC:/cygwin/usr/include/gtk-2.0
> -IC:/cygwin/usr/include/glib-2.0
> -IC:/cygwin/usr/include/pango-1.0
> -IC:/cygwin/lib/glib-2.0/include
> -IC:/cygwin/lib/gtk-2.0/include
> -IC:/cygwin/usr/include/atk-1.0
> -IF:/test/libs/vamp-sdk/vamp-sdk/hostext
> -c F:/test/libs/vamp-sdk/vamp-sdk/hostext/test.cpp
> -o obj/Debug/vamp-sdk/hostext/test.o
>If that's not what you wanted, I'll do what you suggested, although I
>don't really understand all the $ and echo stuff (vauguely remember it
>from my DOS days).  Are they commands that I need to type in?

"DOS days"?  Cygwin is intended to emulate a UNIX environment.

$? is the exit status of a process.  If it is zero it means the process
completed successfully.


Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

More information about the Cygwin mailing list