[Kea-users] Issue building Kea 1.4.0-beta - configure: error: Needs log4cplus library - SOLVED

[Chaigneau, Nicolas]

Hello Francis, thanks for your reply!

My system: RedHat RHEL 7.1 x86_64
Compiler: gcc 7.3.0

I've found more information in config.log as you suggested. The issue was:

/tmp/cczN32aU.o: In function `main':
/home/build/kea-1.4.0-beta/conftest.cpp:34: undefined reference to `log4cplus::Logger::getInstance(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
collect2: error: ld returned 1 exit status


I've solved my issue by upgrading to log4cplus 2.0.1.
Before that I was using log4cplus 1.2.0-rc3 (somewhat old, released in January 2015, but I did not see the need to upgrade - until now 😊).

(I don't know why it worked with Kea 1.3.0 though.)


Regards,
Nicolas.

> "Chaigneau, Nicolas" writes:
> > Executing configure with the following option :
> > 
> > --with-log4cplus
> > 
> > (directory which contains < include > and < lib > sub-dirs for 
> > Log4cplus)
> > 
> > 
> > This doesn't seem to work for Kea 1.4.0-beta.
> > (It worked with Kea 1.3.0)
> 
> => on which system?
> 
> > I get the following output :
> > 
> > checking log4cplus/logger.h usability... yes checking 
> > log4cplus/logger.h presence... yes checking for log4cplus/logger.h... 
> > yes checking for log4cplus library... no
> > configure: error: Needs log4cplus library
> > 
> > Any idea ?
> 
> => look at the config.log where the problem is logged with details.
> Note we fixed in the past similar problems and if your compiler is not C++11 compatible by default you can get spurious warnings (this is why on my macOS I set the CXX environment variable to "g++ --std=c++11" in the shell before calling autoreconf and ./configure.
> 
> Regards
> 
> Francis Dupont <fdupont at isc.org>
>


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