Gcc problem on FC6

[John Wendel]

Markku Kolkka wrote:
> Les kirjoitti viestissään (lähetysaika tiistai 19 kesäkuu 2007):
>> So just to prove that this didn't change anything I tried:
>> gcc -L X11 GuiExample.cpp
> 
> The option is "-lX11", not "-L X11". Linux is case sensitive and 
> spaces are also significant.
> 
>> I am sorry, and this is probably clear to some of you, but I
>> am at a loss to understand why this doesn't work.  If I use
>> gcc, the presence or absence of a library .a or .so shouldn't
>> matter since the compiler should create the link chain based
>> on the extern definition, which could be resolved at load
>> time.
> 
> The extern definition doesn't tell which library contains the 
> symbol, just the function prototype or variable declaration. 
> _You_ must tell the compiler which libraries to link in order to 
> resolve the references.
> 


Actually, in this case, case is important but spaces are not 
significant; -l X11 or -lX11 will work.

Regards,

John