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2017-06-14 Zack Weinberg <zackw@panix.com>
+ * stdlib/errno.h: Remove __need_Emath and __need_error_t logic.
+ Reorganize file. Declare errno here. When __ASSEMBLER__ is
+ defined, don't declare anything other than the E-constants.
+
+ * include/errno.h: Change conditional for exposing internal
+ declarations to (not _ISOMAC and not __ASSEMBLER__).
+ * bits/errno.h: Remove logic for __need_Emath. Document
+ requirements for a port-specific bits/errno.h.
+
+ * sysdeps/unix/sysv/linux/bits/errno.h
+ * sysdeps/unix/sysv/linux/alpha/bits/errno.h
+ * sysdeps/unix/sysv/linux/hppa/bits/errno.h
+ * sysdeps/unix/sysv/linux/mips/bits/errno.h
+ * sysdeps/unix/sysv/linux/sparc/bits/errno.h:
+ Add multiple-include guard and check against improper inclusion.
+ Remove __need_Emath logic. Don't declare errno here. Ensure all
+ constants are defined as simple integer literals. Consistent
+ formatting.
+ * sysdeps/mach/hurd/errnos.awk: Likewise. Only define error_t and
+ enum __error_t_codes if __ASSEMBLER__ is not defined.
+ * sysdeps/mach/hurd/bits/errno.h: Regenerate.
+
+ * argp/argp.h, string/argz.h: Don't define __need_error_t before
+ including errno.h.
+ * sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S
+ * sysdeps/i386/i686/fpu/multiarch/s_sincosf-sse2.S
+ * sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S
+ * sysdeps/x86_64/fpu/s_cosf.S
+ * sysdeps/x86_64/fpu/s_sincosf.S
+ * sysdeps/x86_64/fpu/s_sinf.S:
+ Just include errno.h; don't define __need_Emath or include
+ bits/errno.h directly.
+
+2017-06-14 Zack Weinberg <zackw@panix.com>
+
* bits/uio_lim.h, sysdeps/unix/sysv/linux/bits/uio_lim.h
* bits/uio-ext.h, sysdeps/unix/sysv/linux/bits/uio-ext.h: New file.
* bits/uio.h, sysdeps/unix/sysv/linux/bits/uio.h: Delete file.