Re: Mingw & -L

From: Zbynek Winkler (zwin_at_[hidden])
Date: 2004-02-26 10:17:14

Vladimir Prus wrote:
> Hi Zbynek,
> 
> 
>>I am using the following definition with mingw:
>>
>>lib cppunit : : <name>libcppunit <search>c:/msys/1.0/local/lib/ ;
>>
>>However the command line generated contains
>>
>>-L"c:\msys\1.0\local\lib"
>>
>>and mingw does not find the library. It needs the slash at the end.
>>
>>d:\>g++ -L"c:\msys\1.0\usr\local\lib" -llibcppunit
>>c:\mingw\bin\..\lib\gcc-lib\mingw32\3.2.3\..\..\..\..\mingw32\bin\ld.exe:
>>cannot find -llibcppunit
>>
>>d:\>g++ -L"c:\msys\1.0\usr\local\lib\" -llibcppunit
>>g++: no input files
>>
>>What can we do about it?
> 
> 
> I would say this is a problem with mingw. Maybe, the best approach would be to 
> ask them about this behaviour. If they disagree it's a bug and refuse to 
> change the behaviour, we'll have to workaround. Otherise, we can either do 
> nothing or put a workaround now, and remove it later.

It indeed is a problem with mingw/msys. It is related to the fact that there 
is no directory /usr. It is just a magic mapping to root that sometimes gets 
created and sometimes does not. The workaround is to not to use it :). 
Changing the above to -L"c:\msys\1.0\local\lib" works.

Zbynek
-- 
http://zw.matfyz.cz/ http://robotika.cz/
Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic