cmake HAVE_SYS_FPU_H examples

arkdb/inception configure.cmake :273 

CHECK_INCLUDE_FILES (sys/fpu.h HAVE_SYS_FPU_H)

alibaba/AliSQL configure.cmake :378 

CHECK_INCLUDE_FILES (sys/fpu.h HAVE_SYS_FPU_H)

Tokutek/mysql-5.5 configure.cmake :222 

CHECK_INCLUDE_FILES (sys/fpu.h HAVE_SYS_FPU_H)