Determining if the include file io.h exists failed with the following output:
Change Dir: /home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_0b6ae/fast && make[1]: Entering directory '/home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_0b6ae.dir/build.make CMakeFiles/cmTC_0b6ae.dir/build
make[2]: Entering directory '/home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_0b6ae.dir/CheckIncludeFile.c.o
/usr/bin/cc   -fPIE   -o CMakeFiles/cmTC_0b6ae.dir/CheckIncludeFile.c.o   -c /home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: io.h: No such file or directory
    1 | #include <io.h>
      |          ^~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_0b6ae.dir/build.make:66: CMakeFiles/cmTC_0b6ae.dir/CheckIncludeFile.c.o] Error 1
make[2]: Leaving directory '/home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_0b6ae/fast] Error 2
make[1]: Leaving directory '/home/cseguret/Projects/app-ethereum/tests/unit/build/CMakeFiles/CMakeTmp'