m_whois: restore original multi-prefix behavior #837

	name: CI

	on:
	push:
	branches:
	- main
	paths-ignore:
	- 'doc/oper-guide/**'
	- 'CREDITS'
	- 'LICENSE'
	- 'NEWS.md'
	- 'README.md'
	pull_request:
	branches:
	- main
	paths-ignore:
	- 'doc/oper-guide/**'
	- 'CREDITS'
	- 'LICENSE'
	- 'NEWS.md'
	- 'README.md'

	jobs:
	linux:
	name: Linux

	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	include:
	# Debian 10 Buster
	- os: ubuntu-20.04
	compiler: gcc-8
	- os: ubuntu-20.04
	compiler: clang-7
	# Ubuntu 20.04 Focal
	- os: ubuntu-20.04
	compiler: gcc-9
	- os: ubuntu-20.04
	compiler: clang-10
	# Debian 11 Bullseye
	- os: ubuntu-22.04
	compiler: gcc-10
	- os: ubuntu-22.04
	compiler: clang-11
	# Ubuntu 22.04 Jammy
	- os: ubuntu-22.04
	compiler: gcc-11
	- os: ubuntu-22.04
	compiler: clang-14
	# next
	- os: ubuntu-22.04
	compiler: gcc-12

	env:
	CC: ${{ matrix.compiler }}

	steps:
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y --no-install-recommends \
	${CC} \
	automake \
	autoconf \
	libtool \
	libsqlite3-dev \
	libhyperscan-dev \
	# EOF
	- uses: actions/checkout@v2
	- name: autogen.sh
	run: bash autogen.sh
	- name: configure
	run: CFLAGS="-Werror -Wno-unused-value -Wno-unused-parameter" ./configure --enable-assert=hard --enable-warnings
	- name: make
	run: make -j2
	- name: make check
	run: make check
	- name: make install
	run: make install

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