fix building with "--with-pydebug" (#188)

Use "-std=gnu17", to support gcc-15 (#183)

Merge pull request #182 from naftaliharris/gcc14

GCC 14 support

gh-98178: syslog() is not thread-safe on macOS (GH-98213)

setup.py: Fix OpenSSL 3.0+ detection (#179)

configure: fix implicit declaration of "close()" (#178)

email.generator: fix handling of Unicode messages when not wrapping. (#177)

bump version

version 2.8.5

LTO expects optimisation flags in LDFLAGS (#176)

Drop -OPT:Olimit compiler option. (#175)

use "-fno-semantic-interposition" with GCC (#174)

support Clang-16 (#173)

test.support.unlink: ignore EACCES (#172)