7468e0b523
include: * safe-ctype.h (HC_UNKNOWN, HC_ASCII, HC_EBCDIC, HOST_CHARSET): New #defines. libiberty: * safe-ctype.c: Separate out EOF==-1 check. Use HOST_CHARSET for charset determination. gcc: * aclocal.m4 (gcc_AC_C_CHARSET): Delete. * configure.in: Don't use gcc_AC_C_CHARSET. * configure, config.in: Regenerate. * config/i370/i370.c, config/i370/i370.h: Use (HOST_CHARSET == HC_EBCDIC) or (HOST_CHARSET == HC_ASCII) instead of HOST_EBCDIC or !HOST_EBCDIC. Clarify comments a tad. From-SVN: r68317