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Re: [PATCH] IBM z/OS + EBCDIC support

From: Daniel Richard G.
Subject: Re: [PATCH] IBM z/OS + EBCDIC support
Date: Thu, 15 Oct 2015 00:49:35 -0400

Okay, I've split my changes into a set of patches, attached. These
patches are orthogonal and may be applied in any order:

gnulib-zos-ascii.patch: When in a non-ASCII environment, disable tests
that assume ASCII.

gnulib-zos-charset.patch: Added appropriately conditional #pragmas so
that the test strings in test-iconv-utf.c are correctly interpreted in
ASCII instead of EBCDIC (i.e. 'J' == 0x4A and not 0xD1). This issue
could be addressed in a more portable way by simply rewriting all the
ASCII literal characters as octal escapes, but then you would lose the
partial readability that the strings have now. Also, iconv_open() on
z/OS does not recognize "ISO-8859-1", but "ISO8859-1" works.

gnulib-zos-configure.patch: Changes to the Autoconf M4 code to support
z/OS. Note that fclose() is broken in a different way on z/OS than it is
on other systems, thus the special-case in fclose.m4.

gnulib-zos-cpp.patch: General preprocessor-level changes to
support z/OS.

gnulib-zos-errno.patch: Accommodate z/OS errno code preferences. (I
believe this should still be within spec; IBM is good at following the
letter if not the spirit of such things.)

gnulib-zos-pthread.patch: Rudimentary gl_thread support for z/OS.

gnulib-zos-regex-argname.patch: "__string" is not a good name to use as
an identifier on this system. A better fix would be to use a different
name (why not just "s"?), provided this can be pushed to upstream glibc.

gnulib-zos-strtod.patch: Address a couple quirks in the z/OS
implementation of strtod().


Daniel Richard G. || address@hidden
My ASCII-art .sig got a bad case of Times New Roman.

Attachment: gnulib-zos-ascii.patch
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Attachment: gnulib-zos-charset.patch
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Attachment: gnulib-zos-configure.patch
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Attachment: gnulib-zos-cpp.patch
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Attachment: gnulib-zos-errno.patch
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Attachment: gnulib-zos-pthread.patch
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Attachment: gnulib-zos-regex-argname.patch
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Attachment: gnulib-zos-strtod.patch
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