This commit introduces a new GitHub Actions workflow for building and caching the libpq package, ensuring that the libpq artifacts are available for subsequent builds.
Additionally, it updates the build scripts to release riscv64 binaries for linux.
Since some recent alpine version the krb5-libs package is not installed by
default anymore. When building the libpq the package got installed as a
side effect of installing krb5-dev, but, in case libpq build was cached,
the libraries would have been missing when packaging the wheel or
importing psycopg for test.
The GitHub Actions runners look like they're only 1 year away from the
last macOS x86_64 platform being removed. Get ahead of the game and
build x86_64 on arm64.
Homebrew binaries are always compiled for exactly the version they're
installed on making them very un-portable. When a wheel is "repaired" by
cibuildwheel, delocate-wheel pulls in _psycopg's dependencies
(libpq.dylib, libssl.dylib and libcrypto.dylib) which, on a GitHub
Actions macOS 14 runner, are provided by Homebrew and are therefore only
macOS >= 14 compatible. The resultant wheel is therefore incompatible
with all but the latest macOS versions.
Build all dependencies from source so that we can set the deployment
target to something sensible. Fixes#1753.
The manylinux_2_24 tag leaves too many users without usable packages.
Using this tag requires to build libraries too or a libssh too old will
be used, with the segfault risks seen in the past.
OTOH building all the libraries on arm/ppc platforms proves very time
consuming and requires further tooling than what available in the image.
Because these packages are new it seems ok to use the manylinux_2_24
tag and use the package versions of libpq/libssl.
