Add CMake support

.ci/Makefile

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+PROJECT := cgl
+BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
+SHA1 := $(shell git rev-parse --verify HEAD)
+
+# General commands
+.PHONY: help
+BOLD=\e[1m
+RESET=\e[0m
+
+help:
+	@echo -e "${BOLD}SYNOPSIS${RESET}"
+	@echo -e "\tmake <target> [NOCACHE=1]"
+	@echo
+	@echo -e "${BOLD}DESCRIPTION${RESET}"
+	@echo -e "\ttest build inside docker container to have a reproductible build."
+	@echo
+	@echo -e "${BOLD}MAKE TARGETS${RESET}"
+	@echo -e "\t${BOLD}help${RESET}: display this help and exit."
+	@echo
+	@echo -e "\t${BOLD}env${RESET}: build a virtual env image."
+	@echo -e "\t${BOLD}sh_env_<distro>${RESET}: run a container using the virtual env image (debug purpose)."
+	@echo
+	@echo -e "\t${BOLD}devel${RESET}: build the library using all devel images."
+	@echo -e "\t${BOLD}devel_<distro>${RESET}: build the library using a specific devel image."
+	@echo -e "\t${BOLD}test_<distro>${RESET}: auto test using the devel image."
+	@echo -e "\t${BOLD}sh_<distro>${RESET}: run a container using the devel image (debug purpose)."
+	@echo
+	@echo -e "\t${BOLD}install${RESET}: execute the cmake target ${BOLD}install${RESET} using all devel image container, then create an install image with it."
+	@echo -e "\t${BOLD}install_<distro>${RESET}: execute the cmake target ${BOLD}install${RESET} using the devel image container specified, then create an install image with it."
+	@echo -e "\t${BOLD}test_install${RESET}: configure, build, install then test a sample project against it using all ${BOLD}install${RESET} image containers."
+	@echo -e "\t${BOLD}test_install_<distro>${RESET}: configure, build, install then test a sample project against it using the ${BOLD}install${RESET} image container specified."
+	@echo -e "\t${BOLD}sh_install_<distro>${RESET}: run a container using the install image (debug purpose)."
+	@echo
+	@echo -e "\t${BOLD}clean${RESET}: Remove cache and docker image."
+	@echo -e "\t${BOLD}clean_<distro>${RESET}: Remove cache and docker image for the specified distro."
+	@echo
+	@echo -e "\t${BOLD}<distro>${RESET}:"
+	@echo -e "\t\t${BOLD}alpine${RESET} (latest)"
+	@echo -e "\t\t${BOLD}archlinux${RESET} (latest)"
+	@echo -e "\t\t${BOLD}centos${RESET} (latest)"
+	@echo -e "\t\t${BOLD}fedora${RESET} (latest)"
+	@echo -e "\t\t${BOLD}opensuse${RESET} (tumbleweed)"
+	@echo -e "\t\t${BOLD}debian${RESET} (latest)"
+	@echo -e "\t\t${BOLD}ubuntu${RESET} (latest)"
+	@echo -e "\te.g. 'make test_ubuntu'"
+	@echo
+	@echo -e "\t${BOLD}NOCACHE=1${RESET}: use 'docker build --no-cache' when building container (default use cache)."
+	@echo
+	@echo -e "branch: $(BRANCH)"
+	@echo -e "sha1: $(SHA1)"
+
+# Need to add cmd_distro to PHONY otherwise target are ignored since they do not
+# contain recipe (using FORCE do not work here)
+.PHONY: all
+all: devel
+
+# Delete all implicit rules to speed up makefile
+MAKEFLAGS += --no-builtin-rules
+.SUFFIXES:
+# Remove some rules from gmake that .SUFFIXES does not remove.
+SUFFIXES =
+# Keep all intermediate files
+# ToDo: try to remove it later
+.SECONDARY:
+
+# Docker image name prefix.
+IMAGE := ${PROJECT}
+
+ifdef NOCACHE
+DOCKER_BUILD_CMD := docker build --no-cache
+else
+DOCKER_BUILD_CMD := docker build
+endif
+
+DOCKER_RUN_CMD := docker run --rm --init --net=host
+
+# Currently supported distro
+DISTROS = alpine archlinux centos fedora opensuse debian ubuntu
+
+# $* stem
+# $< first prerequist
+# $@ target name
+
+# ENV
+targets = $(addprefix env_, $(DISTROS))
+.PHONY: env $(targets)
+env: $(targets)
+$(targets): env_%: cache/%/docker_env.tar
+cache/%/docker_env.tar: docker/%/Dockerfile
+	@docker image rm -f ${IMAGE}_$*:env 2>/dev/null
+	${DOCKER_BUILD_CMD} --target=env --tag ${IMAGE}_$*:env -f $< docker/$*
+	@rm -f $@
+	mkdir -p cache/$*
+	docker save ${IMAGE}_$*:env -o $@
+
+# Run a container using the env image.
+targets = $(addprefix sh_env_, $(DISTROS))
+.PHONY: $(targets)
+$(targets): sh_env_%: cache/%/docker_env.tar
+	${DOCKER_RUN_CMD} -it --name ${IMAGE}_$* ${IMAGE}_$*:env /bin/sh
+
+# DEVEL
+targets = $(addprefix devel_, $(DISTROS))
+.PHONY: devel $(targets)
+devel: $(targets)
+$(targets): devel_%: cache/%/docker_devel.tar
+cache/%/docker_devel.tar: docker/%/Dockerfile \
+ ../CMakeLists.txt ../cmake \
+ ../src
+	@docker image rm -f ${IMAGE}_$*:devel 2>/dev/null
+	${DOCKER_BUILD_CMD} --target=devel --tag ${IMAGE}_$*:devel -f $< ..
+	@rm -f $@
+	mkdir -p cache/$*
+	docker save ${IMAGE}_$*:devel -o $@
+
+# DOCKER BASH INSTALL (debug)
+targets = $(addprefix sh_devel_, $(DISTROS))
+.PHONY: $(targets)
+$(targets): sh_devel_%: cache/%/docker_devel.tar
+	${DOCKER_RUN_CMD} -it --name ${IMAGE}_$* ${IMAGE}_$*:devel /bin/sh
+
+# TEST DEVEL
+targets = $(addprefix test_, $(DISTROS))
+.PHONY: test $(targets)
+test: $(targets)
+$(targets): test_%: cache/%/docker_devel.tar
+	${DOCKER_RUN_CMD} -t --name ${IMAGE}_$* ${IMAGE}_$*:devel cmake --build build --target test
+
+# INSTALL
+targets = $(addprefix install_, $(DISTROS))
+.PHONY: install $(targets)
+install: $(targets)
+$(targets): install_%: cache/%/docker_install.tar
+cache/%/docker_install.tar: docker/%/Dockerfile \
+ sample
+	@docker image rm -f ${IMAGE}_$*:install 2>/dev/null
+	${DOCKER_BUILD_CMD} --target=install --tag ${IMAGE}_$*:install -f $< ..
+	@rm -f $@
+	mkdir -p cache/$*
+	docker save ${IMAGE}_$*:install -o $@
+
+# DOCKER BASH INSTALL (debug)
+targets = $(addprefix sh_install_, $(DISTROS))
+.PHONY: $(targets)
+$(targets): sh_install_%: cache/%/docker_install.tar
+	${DOCKER_RUN_CMD} -it --name ${IMAGE}_$* ${IMAGE}_$*:install /bin/sh
+
+# TEST INSTALL
+targets = $(addprefix test_install_, $(DISTROS))
+.PHONY: test_install $(targets)
+test_install: $(targets)
+$(targets): test_install_%: cache/%/docker_install.tar sample
+	@docker load -i cache/$*/docker_install.tar
+	${DOCKER_RUN_CMD} -t --name ${IMAGE}_$* ${IMAGE}_$*:install /bin/sh -c \
+ "cmake -H. -Bbuild; \
+ cmake --build build --target all; \
+ cmake --build build --target test; \
+ cmake --build build --target install"
+
+# CLEAN
+targets = $(addprefix clean_, $(DISTROS))
+.PHONY: clean $(targets)
+clean: $(targets)
+	-rmdir cache
+$(targets): clean_%:
+	docker container prune -f
+	docker image prune -f
+	-docker image rm -f ${IMAGE}_$*:install 2>/dev/null
+	-docker image rm -f ${IMAGE}_$*:devel 2>/dev/null
+	-docker image rm -f ${IMAGE}_$*:env 2>/dev/null
+	-rm -f cache/$*/docker_install.tar
+	-rm -f cache/$*/docker_devel.tar
+	-rm -f cache/$*/docker_env.tar
+	-rmdir cache/$*
+
+.PHONY: distclean
+distclean: clean
+	-docker container rm -f $$(docker container ls -aq)
+	-docker image rm -f $$(docker image ls -aq)

.ci/docker/alpine/Dockerfile

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+# Create a virtual environment with all tools installed
+# ref: https://hub.docker.com/_/alpine
+FROM alpine:edge AS env
+LABEL maintainer="corentinl@google.com"
+# Install system build dependencies
+ENV PATH=$PATH:/usr/local/bin
+RUN apk add --no-cache git build-base linux-headers libexecinfo-dev cmake
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/CoinUtils.git \
+&& cd CoinUtils \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf CoinUtils
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/Osi.git \
+&& cd Osi \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf Osi
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/Clp.git \
+&& cd Clp \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf Clp
+
+CMD [ "/bin/sh" ]
+
+# Add the library src to our build env
+FROM env AS devel
+# Create lib directory
+WORKDIR /home/lib
+# Bundle lib source
+COPY . .
+# CMake configure
+RUN cmake -S. -Bbuild
+# CMake build
+RUN cmake --build build --target all -v
+# CMake build
+RUN cmake --build build --target install
+
+# Create an install image
+FROM env AS install
+# Copy lib from devel to prod
+COPY --from=devel /usr/local /usr/local/
+# Copy  sample
+WORKDIR /home/sample
+COPY .ci/sample .

.ci/docker/archlinux/Dockerfile

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+# Create a virtual environment with all tools installed
+# ref: https://hub.docker.com/_/archlinux/
+FROM archlinux/base AS env
+LABEL maintainer="corentinl@google.com"
+# Install system build dependencies
+ENV PATH=$PATH:/usr/local/bin
+RUN pacman -Syu --noconfirm base-devel git cmake
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/CoinUtils.git \
+&& cd CoinUtils \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf CoinUtils
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/Osi.git \
+&& cd Osi \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf Osi
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/Clp.git \
+&& cd Clp \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf Clp
+
+CMD [ "/bin/sh" ]
+
+# Add the library src to our build env
+FROM env AS devel
+# Create lib directory
+WORKDIR /home/lib
+# Bundle lib source
+COPY . .
+# CMake configure
+RUN cmake -S. -Bbuild
+# CMake build
+RUN cmake --build build --target all -v
+# CMake build
+RUN cmake --build build --target install
+
+# Create an install image
+FROM env AS install
+# Copy lib from devel to prod
+COPY --from=devel /usr/local /usr/local/
+# Copy  sample
+WORKDIR /home/sample
+COPY .ci/sample .

.ci/docker/centos/Dockerfile

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+# Create a virtual environment with all tools installed
+# ref: https://hub.docker.com/_/centos
+FROM centos:latest AS env
+LABEL maintainer="corentinl@google.com"
+# Install system build dependencies
+ENV PATH=$PATH:/usr/local/bin
+RUN yum -y update \
+&& yum -y groupinstall "Development Tools" \
+&& yum -y install epel-release \
+&& yum -y install cmake3 \
+&& ln -s /usr/bin/cmake3 /usr/local/bin/cmake \
+&& yum clean all \
+&& rm -rf /var/cache/yum
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/CoinUtils.git \
+&& cd CoinUtils \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf CoinUtils
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/Osi.git \
+&& cd Osi \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf Osi
+
+RUN cd /tmp \
+&& git clone https://github.com/Mizux/Clp.git \
+&& cd Clp \
+&& cmake -H. -Bbuild \
+&& cmake --build build --target install \
+&& cd .. \
+&& rm -rf Clp
+
+CMD [ "/bin/sh" ]
+
+# Add the library src to our build env
+FROM env AS devel
+# Create lib directory
+WORKDIR /home/lib
+# Bundle lib source
+COPY . .
+# CMake configure
+RUN cmake -H. -Bbuild
+# CMake build
+RUN cmake --build build --target all
+# CMake build
+RUN cmake --build build --target install
+
+# Create an install image
+FROM env AS install
+# Copy lib from devel to prod
+COPY --from=devel /usr/local /usr/local/
+# Copy  sample
+WORKDIR /home/sample
+COPY .ci/sample .