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2012-11-21add back NSIG, removed from powerpc in last commit, but for all archsRich Felker-0/+2
unlike the previous definition, NSIG/_NSIG is supposed to be one more than the highest signal number. adding this will allow simplifying libc-internal code that makes signal-related syscalls, which can be done as a later step. some apps might use it too; while this usage is questionable, it's at least not insane.
2012-11-21make powerpc signal.h namespace-clean for posix/isocRich Felker-19/+32
also handle the non-GNUC case where alignment attribute is not available by simply omitting it. this will not cause problems except for inclusion of mcontex_t/ucontext_t in application-defined structures, since the natural alignment of the uc_mcontext member relative to the start of ucontext_t is already correct. and shame on whoever designed this for making it impossible to satisfy the ABI requirements without GNUC extensions.
2012-11-21fix powerpc types to match abi, and some feature test issuesRich Felker-7/+8
2012-11-21fix invalid usage of mcontext_t in powerpc signal.hrofl0r-1/+1
2012-11-18fix breakage from introducing bits header for sys/io.hRich Felker-0/+0
apparently some other archs have sys/io.h and should not break just because they don't have the x86 port io functions. provide a blank bits/io.h everywhere for now.
2012-11-18add missing const on powerpc FE_DFL_ENVRich Felker-1/+1
2012-11-18fenv support for ppc, untestedRich Felker-7/+28
based on code sent to the mailing list by nsz, with minor changes.
2012-11-18ppc socket.h: add forgotten cmsghdrrofl0r-0/+7
2012-11-16fix ppc stat structure definitionRich Felker-4/+3
2012-11-16fix powerpc termios.h and ioctl.hrofl0r-192/+232
2012-11-15ppc wchar_t is long, not intRich Felker-1/+1
2012-11-14fix wchar limits mistakenly copied from armRich Felker-2/+2
2012-11-13PPC port cleaned up, static linking works well now.rofl0r-0/+1804