Update to ICU 75.1 #2
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Note that the cmb/sdk branch is likely not needed, since we probably don't want to update ICU for stable PHP versions, and for PHP 8.4, winlibs/winlib-builder#7 would already use Windows SDK 10.0.20348.0. |
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Note that I did this stepwise (i.e. each commit updates to a newer version; we may want to also keep these, or not). I run x64 and x86 builds and didn't notice any issues with the ext/intl test suite up to ICU 74.2.
ICU 75.1, however, required more adjustments. First, the ICU 75.1 build failed because stdalign.h is not available with Windows SDKs < 10.0.20348.0; that might be just an issue with the internal tests suite, but still it might make sense to switch to using a newer SDK (see https://news-web.php.net/php.internals.win/1281 for some additional info and discussion). I did this in the cmb/sdk branch, and building ICU 75.1 succeeded. To actually be able to build PHP with this ICU version, I had to add
CFLAGS=/std:c++17, since ICU 75.1 now requires C++17. Running the ext/intl test suite (PHP 8.2), I've got to failing tests, but from a quick glance, these look like minor version dependent issues, so the tests need to be adapted.