[3.3] bpo-29591, bpo-30694: Upgrade Modules/expat to libexpat 2.2.1 (#2164) #2204
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* bpo-29591: Upgrade Modules/expat to libexpat 2.2 * bpo-29591: Restore Python changes on expat * bpo-29591: Remove expat config of unsupported platforms Remove the configuration (Modules/expat/*config.h) of unsupported platforms: * Amiga * MacOS Classic on PPC32 * Open Watcom * bpo-29591: Remove useless XML_HAS_SET_HASH_SALT The XML_HAS_SET_HASH_SALT define of Modules/expat/expat.h became useless since our local expat copy was upgrade to expat 2.1 (it's now expat 2.2.0). (cherry picked from commit 23ec4b5)
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As for the PR #2203 (backport for Python 3.4), Travis CI and AppVeyor are not configured on the 3.3 branch :-( |
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This backport is different from my other "libexpat update" backports since Python 3.3 still uses libexpat 2.1.0, whereas other branches use libexpat 2.1.1 (.1 vs .0). But the result is the same: with this PR, Python 3.3 will get libexpat 2.2.0. |
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So this PR also fixes vulnerabilities of libexpat 2.1.0 which has been fixed in libexpat 2.1.1: |
bpo-30726, bpo-29591: libexpat 2.2.1 of Modules/expat/ now uses a winconfig.h configuration file which already defines: * XML_NS * XML_DTD * BYTEORDER=1234 * XML_CONTEXT_BYTES=1024 * HAVE_MEMMOVE Remove these defines from PCbuild/_elementtree.vcxproj to prevent compiler warnings. Co-Authored-By: Jeremy Kloth <[email protected]> (cherry picked from commit c8fb58b)
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I updated my PR to now upgrade libexpat from 2.1.1 to 2.2.1 (previously, it was to upgrade to 2.2.0). I also included PCbuild/_elementtree.vcxproj changes to fix compiler warnings. |
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bpo-29591: Upgrade Modules/expat to libexpat 2.2
bpo-29591: Restore Python changes on expat
bpo-29591: Remove expat config of unsupported platforms
Remove the configuration (Modules/expat/*config.h) of unsupported
platforms:
Amiga
MacOS Classic on PPC32
Open Watcom
bpo-29591: Remove useless XML_HAS_SET_HASH_SALT
The XML_HAS_SET_HASH_SALT define of Modules/expat/expat.h became
useless since our local expat copy was upgrade to expat 2.1 (it's now
expat 2.2.0).
(cherry picked from commit 23ec4b5)