Maintaining Perl 5 Core (Dave Mitchell): January 2026
Sat, 07-Feb-2026 by
alh
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Dave writes:
During January, I finished working on another tranche of ExtUtils::ParseXS
fixups, this time focussing on:
- adding and rewording warning and error messages, and adding new tests
for them;
- improving test coverage: all XS keywords have tests now;
- reorganising the test infrastructure: deleting obsolete test files,
renaming the t/*.t files to a more consistent format; splitting a large
test file; modernising tests;
- refactoring and improving the length(str) pseudo-parameter
implementation.
I also started work on my annual "get './TEST -deparse' working again"
campaign. This option runs all the test suite files through a round trip
in the deparser before running them. Over the course of the year
we invariably accumulate new breakage; sometimes this involves fixing
Deparse.pm, and sometimes just back-listing the test file as it is now
tickling an already known issue in the deparser.
I also worked on a couple of bugs.
Summary:
* 0:53 GH #13878 COW speedup lost after e8c6a474
* 4:05 GH #24110 ExtUtils::ParseXS after 5.51 prevents some XS modules to build
* 12:14 fix up Deparse breakage
* 26:12 improve Extutils::ParseXS
Total:
* 43:24 (HH::MM)
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