master
x86: Fix x86_64 build failure with -Os (BZ 33367)
math: Fix powerpc64le -Os build after 6b70674
Update copyright dates with scripts/update-copyrights
ldbl-128ibm-compat: Add local aliases for printf family symbols
Avoid -Wno-write-strings for k_standard.c.
Use copysign functions not __copysign functions in glibc libm.
Simplify math-svid-compat code.
Obsolete matherr, _LIB_VERSION, libieee.a.
Remove unnecessary math_private.h includes.