thisisnic opened a new pull request, #48011:
URL: https://github.com/apache/arrow/pull/48011
### Rationale for this change
Arrow currently bundles RE2 version 2022-06-01, which fails to build on musl
libc systems (Alpine Linux) due to missing `#include <cstdint>` in RE2's
`util/pcre.h`. This affects R package installations from source on Alpine
(#46769), C++ builds on Alpine (#43350, #41619), and causes CRAN extended musl
checks to fail.
### What changes are included in this PR?
Updated `cpp/thirdparty/versions.txt`:
- `ARROW_RE2_BUILD_VERSION`: 2022-06-01 → 2024-07-02
- `ARROW_RE2_BUILD_SHA256_CHECKSUM`: updated to match new version
The 2024-07-02 version was chosen because:
- It contains the fix (RE2 fixed the issue on Jan 30, 2023)
- It's widely adopted (used by vcpkg, Arch Linux, Conan)
- It's been stable in production for ~16 months
- It gets us 2 years of bug fixes over the old version
### Are these changes tested?
Yep - CI checks
### Are there any user-facing changes?
No.
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