CI: install libpsl or configure --without-libpsl in builds

As a follow-up to the stricted libpsl check in configure

appveyor: replace PowerShell with bash + parallel autotools

PowerShell works (after a steep development curve), but one property of
it stuck and kept causing unresolvable usability issue

appveyor: replace PowerShell with bash + parallel autotools

PowerShell works (after a steep development curve), but one property of
it stuck and kept causing unresolvable usability issues: With
`$ErrorActionPreference=Stop`, it does abort on failures, but shows only
the first line of the error message. In `Continue` mode, it shows the
full error message, but doesn't stop on all errors. Another issue is
PowerShell considering any stderr output as if the command failed (this
has been improved in 7.2 (2021-Nov), but fixed versions aren't running
in CI and will not be for a long time in all test images.)

Thus, we're going with bash.

Also:
- use `-j2` with autotools tests, making them finish 5-15 minutes per
job faster.
- omit `POSIX_PATH_PREFIX`.
- use `WINDIR`.
- prefer forward slashes.

Follow-up to: 75078a415d9c769419aed4153d3d525a8eba95af #11999
Ref: #12444

Fixes #12560
Closes #12572

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tidy-up: fix yamllint whitespace issues

Closes #12466

CI: move distcheck job from Azure Pipelines to GitHub Actions

This will allow for more trigger excludes within Azure Pipelines.

Also fixes seemingly broken check with scripts/instal

CI: move distcheck job from Azure Pipelines to GitHub Actions

This will allow for more trigger excludes within Azure Pipelines.

Also fixes seemingly broken check with scripts/installcheck.sh.
Ref: 190374c74ec4e5247d9066544c86e8d095e1d7b5

Assisted-by: Philip Heiduck
Closes #9532

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CI/azure: make `MAKEFLAGS` global to parallelize all jobs

https://dev.azure.com/daniel0244/curl/_build/results?buildId=17528 (before)
https://dev.azure.com/daniel0244/curl/_build/results

CI/azure: make `MAKEFLAGS` global to parallelize all jobs

https://dev.azure.com/daniel0244/curl/_build/results?buildId=17528 (before)
https://dev.azure.com/daniel0244/curl/_build/results?buildId=17545 (after, with -j3)

Closes #11952

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CI/azure: migrate old mingw MSYS1 jobs to MSYS2

Also delete an accidental variable reference.

Follow-up to 38029101e2d78ba125732b3bab6ec267b80a0e72

Closes #11945

mingw: delete support for legacy mingw.org toolchain

Drop support for "old" / "legacy" / "classic" / "v1" / "mingw32" MinGW:
https://en.wikipedia.org/wiki/MinGW, https://osdn.net/proje

mingw: delete support for legacy mingw.org toolchain

Drop support for "old" / "legacy" / "classic" / "v1" / "mingw32" MinGW:
https://en.wikipedia.org/wiki/MinGW, https://osdn.net/projects/mingw/
Its homepage used to be http://mingw.org/ [no HTTPS], and broken now.
It supported the x86 CPU only and used a old Windows API header and
implib set, often causing issues. It also misses most modern Windows
features, offering old versions of both binutils and gcc (no llvm/clang
support). It was last updated 2 years ago.

curl now relies on toolchains based on the mingw-w64 project:
https://www.mingw-w64.org/ https://sourceforge.net/projects/mingw-w64/
https://www.msys2.org/ https://github.com/msys2/msys2
https://github.com/mstorsjo/llvm-mingw
(Also available via Linux and macOS package managers.)

Closes #11625

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CI/azure: remove pip, wheel, cryptography, pyopenssl and impacket

These dependencies are now already included in the Docker image.

Ref: https://github.com/mback2k/curl-docker-winbui

CI/azure: remove pip, wheel, cryptography, pyopenssl and impacket

These dependencies are now already included in the Docker image.

Ref: https://github.com/mback2k/curl-docker-winbuildenv/commit/2607a31bcab544b41d15606e97f38cf312c1ce56

Closes #11889

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test1056: disable on Windows

This test relies on the IPv6 scope field being ignored when connecting to
ipv6-localhost (i.e. [::1%259999] is treated as [::1]). Maybe this is a bit
dod

test1056: disable on Windows

This test relies on the IPv6 scope field being ignored when connecting to
ipv6-localhost (i.e. [::1%259999] is treated as [::1]). Maybe this is a bit
dodgy, but it works on all our test platforms except Windows. This
test was disabled manually on all Windows CI builds already, so instead
add an incompatible feature and precheck so it's skipped on Windows
everywhere automatically.

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CI: don't run CI jobs if only another CI was changed

A few paths were missed in the last commit, as well as a job added since
then.

Followup-to 395b9175

CI: skip Azure for more commits which change only GHA

CI: fix copyright header

Follow-up to 395b9175b7422d699fa93643973295c106cdf147

CI: don't run CI jobs if only another CI was changed

Also skip builds on non-Windows platforms when only Windows build files
have changed.

This should reduce the number of usele

CI: don't run CI jobs if only another CI was changed

Also skip builds on non-Windows platforms when only Windows build files
have changed.

This should reduce the number of useless builds and the associated
waiting time and chance of spurious failures, freeing resources for
new PRs.

Closes #10742

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DEPRECATE: the original legacy mingw version 1

Remove completely in September 2023

Closes #10667

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- save

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING

checksrc is updated to allow non-year using copyright statements

Closes #10205

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azure: use "unversioned" clang and clang-tools for scanbuild job

To make it less fragile

Closes #10092

test972: verify the output without using external tool

It seems too restrictive to assume and use an external tool to verify
the JSON. This now verifies the outut byte per byte. We could

test972: verify the output without using external tool

It seems too restrictive to assume and use an external tool to verify
the JSON. This now verifies the outut byte per byte. We could consider
building a local "JSON verifyer" in a future.

Remove 'jsonlint' from the CI job.

Reported-by: Marcel Raad
Fixes #9563
Closes #9564

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CI/runtests.pl: add param for dedicated curl to talk to APIs

This should make it possible to also report test failures
if our freshly build curl binary is not fully functional.

CI/runtests.pl: add param for dedicated curl to talk to APIs

This should make it possible to also report test failures
if our freshly build curl binary is not fully functional.

Reviewed-by: Daniel Stenberg
Closes #9360

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CI/azure: align torture shallowness with GHA

There 25 is used with FTP tests skipped, and 20 for FTP tests.
This should make torture tests stay within the 60min timeout.

Reviewe

CI/azure: align torture shallowness with GHA

There 25 is used with FTP tests skipped, and 20 for FTP tests.
This should make torture tests stay within the 60min timeout.

Reviewed-by: Daniel Stenberg
Closes #9371

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CI/azure: reduce flakiness by retrying install/prepare steps

Closes #9010

copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the

copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the file
`.reuse/dep5`.

This commit also adds a Github workflow to check pull requests and adapts
copyright.pl to the changes.

Closes #8869

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CI/azure: remove obsolete strategy for single builds

This shortens these CI job names on GitHub even more.
Follow up to #8906 which also increased their timeout.

Closes #8911

CI/azure: shorten names of Windows CI jobs

Suggested-by: Daniel Stenberg
Closes #8906

CI: Do not use buildconf. Instead, just use: autoreconf -fi

Closes #8596

CI: install Python package impacket to run SMB test 1451

Install Python package impacket in relevant CI workflows.

Follow up to #7935
Supersedes #7940
Closes #8544