Using cdefs-compat.h and stdint.h instead <sys/types.h>fenv-softfloat.h file addedSOFTFLOAT code parts are not tested.
Support for mips architecturesChanges needed for mips suport have been added.Code for openlibm_fenv_mips.h, mips_fpmath.h and fenv.cwas taken from https://github.com/freebsd/freebsd
Remove architectures that haven't been tested.
Add Make.files for all architectures.
Import entire msun from FreeBSD.