Determining if files select.h exist failed with the following output:

Change Dir: /home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make -f Makefile cmTC_e6cb7/fast && make[3]: Entering directory '/home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CMakeTmp'

/usr/bin/make  -f CMakeFiles/cmTC_e6cb7.dir/build.make CMakeFiles/cmTC_e6cb7.dir/build

make[4]: Entering directory '/home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CMakeTmp'

Building C object CMakeFiles/cmTC_e6cb7.dir/HAVE_SELECT_H.c.o

/usr/bin/cc   -Wunused -Wlogical-op -Wno-uninitialized -Wall -Wextra -Wformat-security -Wno-init-self -Wwrite-strings -Wshift-count-overflow -Wdeclaration-after-statement -Wno-undef -Wno-unknown-pragmas  -o CMakeFiles/cmTC_e6cb7.dir/HAVE_SELECT_H.c.o -c /home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CheckIncludeFiles/HAVE_SELECT_H.c

/home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CheckIncludeFiles/HAVE_SELECT_H.c:2:10: fatal error: select.h: No such file or directory

 #include <select.h>

          ^~~~~~~~~~

compilation terminated.

CMakeFiles/cmTC_e6cb7.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_e6cb7.dir/HAVE_SELECT_H.c.o' failed

make[4]: *** [CMakeFiles/cmTC_e6cb7.dir/HAVE_SELECT_H.c.o] Error 1

make[4]: Leaving directory '/home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CMakeTmp'

Makefile:127: recipe for target 'cmTC_e6cb7/fast' failed

make[3]: *** [cmTC_e6cb7/fast] Error 2

make[3]: Leaving directory '/home/ubuntu/MaxScale/build/connector-c/CMakeFiles/CMakeTmp'