Re: [Mingw-users] Mingw Sockets Library Semaphore.h

[JonY <jo...@us...>]

On 6/25/2011 01:47, Daniel Kovacevic wrote:
> I want to add the Sockets library (version 2.3.9.5) at
> http://www.alhem.net/Sockets/index.html to my compiler (Mingw32 version
> 4.5.2).
> 
> I am not using cygwin, I am using the windows port of mingw32.
> 
> I was able to compile the library using mingw32-make.
> 
> However, I am having difficulty in compiling an example that came with the
> library source. Specifically, "echoserver.cpp".
> 
> When I initially tried to compile this program, I did not tell mingw where
> the newly compiled library was; obviously a lot of errors where thrown.
> 
> I looked into how to add said library to mingw.
> 
> With that info, I decided to dump the library into the <mingw install
> root>\lib directory. I included all of the .o and .d files along with
> "libSockets.a".
> 

Only the .a file is needed.

> Next, I dumped everything else (.cpp, .h) into the <mingw install
> root>\include directory. Here I had one problem crop up- "semaphore.h" was a
> duplicate (it was in the newly compiled directory, and there was a copy in
> the <mingw install root>\include directory).
> 

I believe the mingw semaphore.h is part of pthreads. I suggest you use
-I and -L to add to the GCC search path instead of clobbering your mingw
install.

> 
> [code]
> 
> 
> C:\Users\DKOVAC~1\AppData\Local\Temp\ccAO9Vef.o:echoserver.cpp:(.text$_ZN12ListenSocketI8MySocketE4BindER13SocketAddressRKSsi[ListenSocket<MySocket>::Bind(SocketAddress&,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> const&, int)]+0xfe): undefined reference to `StrError(int)'
> C:\Users\DKOVAC~1\AppData\Local\Temp\ccAO9Vef.o:echoserver.cpp:(.text$_ZN12ListenSocketI8MySocketE4BindER13SocketAddressRKSsi[ListenSocket<MySocket>::Bind(SocketAddress&,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> const&, int)]+0x1ad): undefined reference to `StrError(int)'
> C:\Users\DKOVAC~1\AppData\Local\Temp\ccAO9Vef.o:echoserver.cpp:(.text$_ZN12ListenSocketI8MySocketE4BindER13SocketAddressRKSsi[ListenSocket<MySocket>::Bind(SocketAddress&,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> const&, int)]+0x2dc): undefined reference to `StrError(int)'
> C:\Users\DKOVAC~1\AppData\Local\Temp\ccAO9Vef.o:echoserver.cpp:(.text$_ZN12ListenSocketI8MySocketE4BindER13SocketAddressRKSsi[ListenSocket<MySocket>::Bind(SocketAddress&,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> const&, int)]+0x38b): undefined reference to `StrError(int)'
> C:\Users\DKOVAC~1\AppData\Local\Temp\ccAO9Vef.o:echoserver.cpp:(.text$_ZN12ListenSocketI15HttpDebugSocketE4BindER13SocketAddressRKSsi[ListenSocket<HttpDebugSocket>::Bind(SocketAddress&,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> const&, int)]+0xfe): undefined reference to `StrError(int)'
> C:\Users\DKOVAC~1\AppData\Local\Temp\ccAO9Vef.o:echoserver.cpp:(.text$_ZN12ListenSocketI15HttpDebugSocketE4BindER13SocketAddressRKSsi[ListenSocket<HttpDebugSocket>::Bind(SocketAddress&,
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >
> const&, int)]+0x1ad): more undefined references to `StrError(int)' follow
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(Thread.o): In
> function `Thread':
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:54:
> undefined reference to `Semaphore::Semaphore(long)'
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:73:
> undefined reference to `Semaphore::Post()'
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:54:
> undefined reference to `Semaphore::~Semaphore()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(Thread.o): In
> function `~Thread':
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:77:
> undefined reference to `Semaphore::~Semaphore()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(Thread.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:146:
> undefined reference to `Semaphore::Post()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(Thread.o): In
> function `~Thread':
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:77:
> undefined reference to `Semaphore::~Semaphore()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(Thread.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/Thread.cpp:170:
> undefined reference to `Semaphore::Wait()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(ResolvServer.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/ListenSocket.h:341:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(ResolvServer.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/ListenSocket.h:290:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(ResolvServer.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/ListenSocket.h:293:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(ResolvServer.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/ListenSocket.h:299:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(ResolvServer.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/ListenSocket.h:302:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(SocketHandlerThread.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/SocketHandlerThread.cpp:63:
> undefined reference to `Semaphore::Post()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(SocketHandlerThread.o):
> In function `~SocketHandlerThread':
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/SocketHandlerThread.cpp:48:
> undefined reference to `Semaphore::~Semaphore()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(SocketHandlerThread.o):
> In function `SocketHandlerThread':
> c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/SocketHandlerThread.cpp:43:
> undefined reference to `Semaphore::Semaphore(long)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(SocketHandlerThread.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/SocketHandlerThread.cpp:75:
> undefined reference to `Semaphore::Wait()'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(UdpSocket.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/UdpSocket.cpp:371:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(UdpSocket.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/UdpSocket.cpp:556:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(UdpSocket.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/UdpSocket.cpp:531:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(UdpSocket.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/UdpSocket.cpp:229:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(UdpSocket.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/UdpSocket.cpp:327:
> undefined reference to `StrError(int)'
> c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libSockets.a(UdpSocket.o):c:\Users\dkovacevic\Downloads\Binaries_and_Sources\C++\Sockets-2.3.9.5/UdpSocket.cpp:581:
> more undefined references to `StrError(int)' follow
> collect2: ld returned 1 exit status
> 
> [/code]
> 

Are you sure its just libSockets.a? The Semaphore class has to come from
somewhere, unless its a template only class in semaphore.h.