commotiond compile error

gistfile1.txt

-- Build files have been written to: /home/cyril/commotiond/build/tests/src/googletest-build
[ 70%] Performing build step for 'googletest'
Scanning dependencies of target gtest
[ 50%] Building CXX object CMakeFiles/gtest.dir/src/gtest-all.cc.o
Linking CXX static library libgtest.a
[ 50%] Built target gtest
Scanning dependencies of target gtest_main
[100%] Building CXX object CMakeFiles/gtest_main.dir/src/gtest_main.cc.o
Linking CXX static library libgtest_main.a
[100%] Built target gtest_main
[ 72%] No install step for 'googletest'
[ 75%] Completed 'googletest'
[ 75%] Built target googletest
Scanning dependencies of target commotion_test
[ 78%] Building CXX object tests/CMakeFiles/commotion_test.dir/tree.cpp.o
cc1plus: warning: command line option ‘-std=gnu99’ is valid for C/ObjC but not for C++ [enabled by default]
[ 81%] Building CXX object tests/CMakeFiles/commotion_test.dir/list.cpp.o
cc1plus: warning: command line option ‘-std=gnu99’ is valid for C/ObjC but not for C++ [enabled by default]
Linking CXX executable commotion_test
[ 81%] Built target commotion_test
Scanning dependencies of target serval-client
[ 83%] Building C object plugins/serval-dna/CMakeFiles/serval-client.dir/serval-client.c.o
/home/cyril/commotiond/plugins/serval-dna/serval-client.c:42:20: fatal error: serval.h: No such file or directory
compilation terminated.
make[2]: *** [plugins/serval-dna/CMakeFiles/serval-client.dir/serval-client.c.o] Error 1
make[1]: *** [plugins/serval-dna/CMakeFiles/serval-client.dir/all] Error 2
make: *** [all] Error 2
cyril@ISISmainframe:~/commotiond/build$