Re: [lwip-users] How to build LWIP test on linux

[address@hidden]

Am 15.03.2020 um 17:26 schrieb Sachin Gole:
>
> Using lwip-2.1.2 version, below steps doesn't get compiled with these steps.

OK, so it seems I'm in a good mood today, so...

What in my mail from 2 days ago have you missed?
You complained about not finding a 'dev' directory in lwIP but haven't
tried to remove the first parts of the path to find a match? Thats funny.

Anyway, let me repeat what I wrote back then, but remove the
'dev/lwip/lwip' part at the start...

My bash history:
cd contrib/ports/unix/check/
ls
mkdir build
cd build/
cmake ..
cmake --build .
./lwip_unittests

Does that work for you?

>
> rajgad:~/Downloads/lwip-2.1.2$ ls
> CHANGELOG  CMakeLists.txt  COPYING  doc  FEATURES  FILES  README  src
>  test  UPGRADING
> rajgad:~/Downloads/lwip-2.1.2$ mkdir build
> rajgad:~/Downloads/lwip-2.1.2$ cd build/
> rajgad:~/Downloads/lwip-2.1.2/build$ cmake ../CMakeLists.txt

make that 'cmake ..', not 'cmake ../CMakeLists.txt'

> -DCMAKE_C_COMPILER="/usr/bin/gcc" -DCMAKE_CXX_COMPILER="/usr/bin/g++"
> -- The C compiler identification is GNU 5.4.0
> -- The CXX compiler identification is GNU 5.4.0
> -- Check for working C compiler: /usr/bin/gcc
> -- Check for working C compiler: /usr/bin/gcc - works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Detecting C compile features
> -- Detecting C compile features - done
> -- Check for working CXX compiler: /usr/bin/g++
> -- Check for working CXX compiler: /usr/bin/g++ - works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done
> -- Found Doxygen: /usr/bin/doxygen (found version "1.8.11") found
> components: doxygen missing components: dot
> Doxygen build started
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /home/sachin/Downloads/lwip-2.1.2
> rajgad:~/Downloads/lwip-2.1.2/build$
> rajgad:~/Downloads/lwip-2.1.2/build$ ls

Nothing here. You've missed the '--build' phase. Cmake without '--build'
creates the build infrastructure but does not compile anything.

> rajgad:~/Downloads/lwip-2.1.2/build$ cd ..
> rajgad:~/Downloads/lwip-2.1.2$ ls
> build      CMakeCache.txt    CMakeDoxygenDefaults.cmake
>  cmake_install.cmake  COPYING            CPackSourceConfig.cmake
>  FEATURES  Makefile  src   UPGRADING
> CHANGELOG  CMakeDoxyfile.in  CMakeFiles                  CMakeLists.txt
>       CPackConfig.cmake  doc                      FILES     README    test
> rajgad:~/Downloads/lwip-2.1.2$ cmake --build .
> rajgad:~/Downloads/lwip-2.1.2$ 
>
> New to lwip unix version, not getting unit test executable.

Keeping that aside, the unit tests are build from a different path (see
above).

Regards,
Simon