Re: [Boost-users] Error in compiling Boost thread example

From: James Dennett (jdennett_at_[hidden])
Date: 2007-02-11 02:42:19

Meryl Silverburgh wrote:
> Thanks. i still have problem in linking boost thread library.
> 
> I have libboost_thread in /usr/lib:
> 
> $ ls -la libboost_thread*
> -rwxr-xr-x 1 root root 68644 Feb 16  2006 libboost_thread.a*
> lrwxrwxrwx 1 root root    25 Jan  5 16:03 libboost_thread.so ->
> libboost_thread.so.1.33.1*
> -rwxr-xr-x 1 root root 43236 Feb 16  2006 libboost_thread.so.1.33.1*
> lrwxrwxrwx 1 root root    25 Jan  5 16:03 libboost_thread.so.2 ->
> libboost_thread.so.1.33.1*
> [meryl_at_localhost lib]$ pwd
> /usr/lib
> 
> When i link it, i specified the -L and -l but I still get linker error:
> 
> g++ -L/usr/lib -o"sandbox"  ./thread.o   -llibboost_thread
> /usr/bin/ld: cannot find -llibboost_thread
> collect2: ld returned 1 exit status
> make: *** [sandbox] Error 1
> make: Target `all' not remade because of errors.
> Build complete for project sandbox
> 
> Thanks for any help.

Use -lboost_thread, not -llibboost_thread.  The linker knows
that library names start with "lib", and adds it on for you,
just as it adds the extensions.

-- James