CONTRIBUTING.md: add reference to util/check-format.pl and fix severa… #1175

	# Copyright 2021-2023 The OpenSSL Project Authors. All Rights Reserved.
	#
	# Licensed under the Apache License 2.0 (the "License"). You may not use
	# this file except in compliance with the License. You can obtain a copy
	# in the file LICENSE in the source distribution or at
	# https://www.openssl.org/source/license.html

	# Jobs run per pull request submission
	name: Run-checker CI
	on: [pull_request, push]
	permissions:
	contents: read

	jobs:
	run-checker:
	strategy:
	fail-fast: false
	matrix:
	opt: [
	no-cmp,
	no-cms,
	no-dgram,
	no-dh,
	no-dtls,
	no-ec,
	no-ecx,
	no-http,
	no-legacy,
	no-sock,
	enable-ssl-trace,
	no-stdio,
	no-threads,
	no-thread-pool,
	no-default-thread-pool,
	no-tls,
	no-tls1_2,
	no-tls1_3,
	enable-trace enable-fips,
	no-ui,
	no-quic
	]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: checkout fuzz/corpora submodule
	run: git submodule update --init --depth 1 fuzz/corpora
	- name: config
	run: CC=clang ./config --banner=Configured --strict-warnings ${{ matrix.opt }}
	- name: config dump
	run: ./configdata.pm --dump
	- name: make
	run: make -s -j4
	- name: get cpu info
	run: \|
	cat /proc/cpuinfo
	if [ -x apps/openssl ] ; then ./util/opensslwrap.sh version -c ; fi
	- name: Check platform symbol usage
	run: ./util/checkplatformsyms.pl ./util/platform_symbols/unix-symbols.txt ./libcrypto.so ./libssl.so
	- name: make test
	run: make test HARNESS_JOBS=${HARNESS_JOBS:-4}

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