cmake HAVE_SYS_SYSINFO_H examples

TheAssemblyArmada/Thyme deps/baseconfig/cmake/CheckFunctions.cmake :17 

check_include_file(sys/sysinfo.h HAVE_SYS_SYSINFO_H)

gccxml/gccxml GCC/config_cmake/CMakeLists.txt :190 

CHECK_INCLUDE_FILE(sys/sysinfo.h HAVE_SYS_SYSINFO_H)