Move ci folder and make naming more consistent (#233)

10 files changed, 904 insertions, 0 deletions

diff --git a/cmake/ci/Makefile b/cmake/ci/Makefile
new file mode 100644
index 0000000..dc19af8
--- /dev/null
+++ b/cmake/ci/Makefile
@@ -0,0 +1,240 @@
+PROJECT := cpu_features
+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}amd64_<stage>${RESET}: build <stage> docker image using an Ubuntu:latest x86_64 base image."
+	@echo -e "\t${BOLD}save_amd64_<stage>${RESET}: Save the <stage> docker image."
+	@echo -e "\t${BOLD}sh_amd64_<stage>${RESET}: run a container using the <stage> docker image (debug purpose)."
+	@echo -e "\t${BOLD}clean_amd64_<stage>${RESET}: Remove cache and docker image."
+	@echo
+	@echo -e "\tWith ${BOLD}<stage>${RESET}:"
+	@echo -e "\t\t${BOLD}env${RESET}"
+	@echo -e "\t\t${BOLD}devel${RESET}"
+	@echo -e "\t\t${BOLD}build${RESET}"
+	@echo -e "\t\t${BOLD}test${RESET}"
+	@echo -e "\t\t${BOLD}install_env${RESET}"
+	@echo -e "\t\t${BOLD}install_devel${RESET}"
+	@echo -e "\t\t${BOLD}install_build${RESET}"
+	@echo -e "\t\t${BOLD}install_test${RESET}"
+	@echo -e "\te.g. 'make amd64_build'"
+	@echo
+	@echo -e "\t${BOLD}<target>_<toolchain_stage>${RESET}: build <stage> docker image for a specific toolchain target."
+	@echo -e "\t${BOLD}save_<target>_<toolchain_stage>${RESET}: Save the <stage> docker image for a specific platform."
+	@echo -e "\t${BOLD}sh_<target>_<toolchain_stage>${RESET}: run a container using the <stage> docker image specified (debug purpose)."
+	@echo -e "\t${BOLD}clean_<target>_<toolchain_stage>${RESET}: Remove cache and docker image."
+	@echo
+	@echo -e "\tWith ${BOLD}<target>${RESET}:"
+	@echo -e "\t\t${BOLD}arm-linux-gnueabihf${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}armv8l-linux-gnueabihf${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}arm-linux-gnueabi${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}armeb-linux-gnueabihf${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}armeb-linux-gnueabi${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}aarch64-linux-gnu${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}aarch64_be-linux-gnu${RESET} (linaro toolchain)"
+	@echo -e "\t\t${BOLD}mips32${RESET} (codespace toolchain)"
+	@echo -e "\t\t${BOLD}mips64${RESET} (codespace toolchain)"
+	@echo -e "\t\t${BOLD}mips32el${RESET} (codespace toolchain)"
+	@echo -e "\t\t${BOLD}mips64el${RESET} (codespace toolchain)"
+	@echo
+	@echo -e "\tWith ${BOLD}<toolchain_stage>${RESET}:"
+	@echo -e "\t\t${BOLD}env${RESET}"
+	@echo -e "\t\t${BOLD}devel${RESET}"
+	@echo -e "\t\t${BOLD}build${RESET}"
+	@echo -e "\t\t${BOLD}test${RESET}"
+	@echo -e "\te.g. 'make aarch64_test'"
+	@echo
+	@echo -e "\t${BOLD}<VM>${RESET}: build the vagrant <VM> virtual machine."
+	@echo -e "\t${BOLD}clean_<VM>${RESET}: Remove virtual machine for the specified vm."
+	@echo
+	@echo -e "\t${BOLD}<VM>${RESET}:"
+	@echo -e "\t\t${BOLD}freebsd${RESET} (FreeBSD)"
+	@echo
+	@echo -e "\t${BOLD}clean${RESET}: Remove cache and ALL docker images."
+	@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_platform to PHONY otherwise target are ignored since they do not
+# contain recipe (using FORCE do not work here)
+.PHONY: all
+all: build
+
+# 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
+
+# $* stem
+# $< first prerequist
+# $@ target name
+
+############
+## NATIVE ##
+############
+STAGES = env devel build test install_env install_devel install_build install_test
+
+targets_amd64 = $(addprefix amd64_, $(STAGES))
+.PHONY: $(targets_amd64)
+$(targets_amd64): amd64_%: docker/amd64/Dockerfile
+	#@docker image rm -f ${IMAGE}:amd64_$* 2>/dev/null
+	${DOCKER_BUILD_CMD} \
+ --tag ${IMAGE}:amd64_$* \
+ --target=$* \
+ -f $< \
+ ../..
+
+#$(info Create targets: save_amd64 $(addprefix save_amd64_, $(STAGES)) (debug).)
+save_targets_amd64 = $(addprefix save_amd64_, $(STAGES))
+.PHONY: $(save_targets_amd64)
+$(save_targets_amd64): save_amd64_%: cache/amd64/docker_%.tar
+cache/amd64/docker_%.tar: amd64_%
+	@rm -f $@
+	mkdir -p cache/amd64
+	docker save ${IMAGE}:amd64_$* -o $@
+
+#$(info Create targets: $(addprefix sh_amd64_, $(STAGES)) (debug).)
+sh_targets_amd64 = $(addprefix sh_amd64_, $(STAGES))
+.PHONY: $(sh_targets_amd64)
+$(sh_targets_amd64): sh_amd64_%: amd64_%
+	${DOCKER_RUN_CMD} -it --name ${IMAGE}_amd64_$* ${IMAGE}:amd64_$*
+
+#$(info Create targets: $(addprefix clean_amd64_, $(STAGES)).)
+clean_targets_amd64 = $(addprefix clean_amd64_, $(STAGES))
+.PHONY: clean_amd64 $(clean_targets_amd64)
+clean_amd64: $(clean_targets_amd64)
+$(clean_targets_amd64): clean_amd64_%:
+	docker image rm -f ${IMAGE}:amd64_$* 2>/dev/null
+	rm -f cache/amd64/docker_$*.tar
+
+
+###############
+## TOOLCHAIN ##
+###############
+TOOLCHAIN_TARGETS = \
+ arm-linux-gnueabihf armv8l-linux-gnueabihf arm-linux-gnueabi armeb-linux-gnueabihf armeb-linux-gnueabi \
+ aarch64-linux-gnu aarch64_be-linux-gnu \
+ mips32 mips32el mips64 mips64el
+TOOLCHAIN_STAGES = env devel build test
+define toolchain-stage-target =
+#$$(info STAGE: $1)
+#$$(info Create targets: toolchain_$1 $(addsuffix _$1, $(TOOLCHAIN_TARGETS)).)
+targets_toolchain_$1 = $(addsuffix _$1, $(TOOLCHAIN_TARGETS))
+.PHONY: toolchain_$1 $$(targets_toolchain_$1)
+toolchain_$1: $$(targets_toolchain_$1)
+$$(targets_toolchain_$1): %_$1: docker/toolchain/Dockerfile
+	#@docker image rm -f ${IMAGE}:$$*_$1 2>/dev/null
+	${DOCKER_BUILD_CMD} \
+ --tag ${IMAGE}:$$*_$1 \
+ --build-arg TARGET=$$* \
+ --target=$1 \
+ -f $$< \
+ ../..
+
+#$$(info Create targets: save_toolchain_$1 $(addprefix save_, $(addsuffix _$1, $(TOOLCHAIN_TARGETS))) (debug).)
+save_targets_toolchain_$1 = $(addprefix save_, $(addsuffix _$1, $(TOOLCHAIN_TARGETS)))
+.PHONY: save_toolchain_$1 $$(save_targets_toolchain_$1)
+save_toolchain_$1: $$(save_targets_toolchain_$1)
+$$(save_targets_toolchain_$1): save_%_$1: cache/%/docker_$1.tar
+cache/%/docker_$1.tar: %_$1
+	@rm -f $$@
+	mkdir -p cache/$$*
+	docker save ${IMAGE}:$$*_$1 -o $$@
+
+#$$(info Create targets: $(addprefix sh_, $(addsuffix _$1, $(TOOLCHAIN_TARGETS))) (debug).)
+sh_targets_toolchain_$1 = $(addprefix sh_, $(addsuffix _$1, $(TOOLCHAIN_TARGETS)))
+.PHONY: $$(sh_targets_toolchain_$1)
+$$(sh_targets_toolchain_$1): sh_%_$1: %_$1
+	${DOCKER_RUN_CMD} -it --name ${IMAGE}_$$*_$1 ${IMAGE}:$$*_$1
+
+#$$(info Create targets: clean_toolchain_$1 $(addprefix clean_, $(addsuffix _$1, $(TOOLCHAIN_TARGETS))).)
+clean_targets_toolchain_$1 = $(addprefix clean_, $(addsuffix _$1, $(TOOLCHAIN_TARGETS)))
+.PHONY: clean_toolchain_$1 $$(clean_targets_toolchain_$1)
+clean_toolchain_$1: $$(clean_targets_toolchain_$1)
+$$(clean_targets_toolchain_$1): clean_%_$1:
+	docker image rm -f ${IMAGE}:$$*_$1 2>/dev/null
+	rm -f cache/$$*/docker_$1.tar
+endef
+
+$(foreach stage,$(TOOLCHAIN_STAGES),$(eval $(call toolchain-stage-target,$(stage))))
+
+## MERGE ##
+.PHONY: clean_toolchain
+clean_toolchain: $(addprefix clean_toolchain_, $(TOOLCHAIN_STAGES))
+	-rmdir $(addprefix cache/, $(TOOLCHAIN_TARGETS))
+
+.PHONY: env devel build test
+env: amd64_env toolchain_env
+devel: amd64_devel toolchain_devel
+build: amd64_build toolchain_build
+test: amd64_test toolchain_test
+
+.PHONY: install_env install_devel install_build install_test
+install_env: amd64_install_env
+install_devel: amd64_install_devel
+install_build: amd64_install_build
+install_test: amd64_install_test
+
+#############
+## VAGRANT ##
+#############
+VMS = freebsd
+
+vms_targets = $(addsuffix _build, $(VMS))
+.PHONY: $(vms_targets)
+$(vms_targets): %_build: vagrant/%/Vagrantfile
+	@cd vagrant/$* && vagrant destroy -f
+	cd vagrant/$* && vagrant up
+
+clean_vms_targets = $(addprefix clean_, $(VMS))
+.PHONY: clean_vms $(clean_vms_targets)
+clean_vms: $(clean_vms_targets)
+$(clean_vms_targets): clean_%:
+	cd vagrant/$* && vagrant destroy -f
+	-rm -rf vagrant/$*/.vagrant
+
+###########
+## CLEAN ##
+###########
+.PHONY: clean
+clean: clean_amd64 clean_toolchain clean_vms
+	docker container prune -f
+	docker image prune -f
+	-rmdir cache
+
+.PHONY: distclean
+distclean: clean
+	-docker container rm -f $$(docker container ls -aq)
+	-docker image rm -f $$(docker image ls -aq)
+	-vagrant box remove -f generic/freebsd12
diff --git a/cmake/ci/README.md b/cmake/ci/README.md
new file mode 100644
index 0000000..b6e6628
--- /dev/null
+++ b/cmake/ci/README.md
@@ -0,0 +1,64 @@
+# GitHub-CI Status
+| Os                    | amd64                 | AArch64               | ARM                   | MIPS                  |
+| :--                   | --:                   | --:                   | --:                   | --:                   |
+| FreeBSD               | [![][img_1a]][lnk_1a] | ![][img_na]           | ![][img_na]           | ![][img_na]           |
+| Linux                 | [![][img_2a]][lnk_2a] | [![][img_2b]][lnk_2b] | [![][img_2c]][lnk_2c] | [![][img_2d]][lnk_2d] |
+| MacOS                 | [![][img_3a]][lnk_3a] | ![][img_na]           | ![][img_na]           | ![][img_na]           |
+| Windows               | [![][img_4a]][lnk_4a] | ![][img_na]           | ![][img_na]           | ![][img_na]           |
+
+[img_na]: https://img.shields.io/badge/build-N%2FA-lightgrey
+[lnk_1a]: https://github.com/google/cpu_features/actions/workflows/amd64_freebsd_cmake.yml
+[img_1a]: https://img.shields.io/github/workflow/status/google/cpu_features/amd64%20FreeBSD%20CMake/main
+[lnk_2a]: https://github.com/google/cpu_features/actions/workflows/amd64_linux_cmake.yml
+[img_2a]: https://img.shields.io/github/workflow/status/google/cpu_features/amd64%20Linux%20CMake/main
+[lnk_3a]: https://github.com/google/cpu_features/actions/workflows/amd64_macos_cmake.yml
+[img_3a]: https://img.shields.io/github/workflow/status/google/cpu_features/amd64%20MacOS%20CMake/main
+[lnk_4a]: https://github.com/google/cpu_features/actions/workflows/amd64_windows_cmake.yml
+[img_4a]: https://img.shields.io/github/workflow/status/google/cpu_features/amd64%20Windows%20CMake/main
+[lnk_2b]: https://github.com/google/cpu_features/actions/workflows/aarch64_linux_cmake.yml
+[img_2b]: https://img.shields.io/github/workflow/status/google/cpu_features/AArch64%20Linux%20CMake/main
+[lnk_2c]: https://github.com/google/cpu_features/actions/workflows/arm_linux_cmake.yml
+[img_2c]: https://img.shields.io/github/workflow/status/google/cpu_features/ARM%20Linux%20CMake/main
+[lnk_2d]: https://github.com/google/cpu_features/actions/workflows/mips_linux_cmake.yml
+[img_2d]: https://img.shields.io/github/workflow/status/google/cpu_features/MIPS%20Linux%20CMake/main
+
+## Makefile/Docker testing
+To test the build on various distro, we are using docker containers and a Makefile for orchestration.
+
+pros:
+* You are independent of third party CI runner config
+  (e.g. [github action virtual-environnments](https://github.com/actions/virtual-environments)).
+* You can run it locally on your linux system.
+* Most CI provide runners with docker and Makefile installed.
+
+cons:
+* Only GNU/Linux distro supported.
+
+### Usage
+To get the help simply type:
+```sh
+make
+```
+
+note: you can also use from top directory
+```sh
+make --directory=ci
+```
+
+### Example
+For example to test mips32 inside an container:
+```sh
+make mips32_test
+```
+
+### Docker layers
+Dockerfile is splitted in several stages.
+
+![docker](doc/docker.svg)
+
+
+## Makefile/Vagrant testing
+To test build for FreeBSD we are using Vagrant and VirtualBox box.
+
+This is similar to the docker stuff but use `vagrant` as `docker` cli and
+VirtuaBox to replace the docker engine daemon.
diff --git a/cmake/ci/doc/docker.dot b/cmake/ci/doc/docker.dot
new file mode 100644
index 0000000..a00ef1f
--- /dev/null
+++ b/cmake/ci/doc/docker.dot
@@ -0,0 +1,64 @@
+@startdot
+digraph DockerDeps {
+  //rankdir=BT;
+  rankdir=TD;
+  node [shape=cylinder, style="rounded,filled", color=black, fillcolor=royalblue];
+  DISTRO_IMG [label="ubuntu:latest"];
+  PKG [label="packages\ne.g. cmake, g++", shape=box3d];
+  SRC [label="git repo", shape=folder];
+  SPL [label="sample", shape=folder];
+
+  subgraph clusterDockerfile {
+    ENV_IMG [label="cpu_features:amd64_env\nenv"];
+    DEVEL_IMG [label="cpu_features:amd64_devel\ndevel"];
+    BUILD_IMG [label="cpu_features:amd64_build\nbuild"];
+    TEST_IMG [label="cpu_features:amd64_test\ntest"];
+    INSTALL_ENV_IMG [label="cpu_features:amd64_install_env\ninstall_env"];
+    INSTALL_DEVEL_IMG [label="cpu_features:amd64_install_devel\ninstall_devel"];
+    INSTALL_BUILD_IMG [label="cpu_features:amd64_install_build\ninstall_build"];
+    INSTALL_TEST_IMG [label="cpu_features:amd64_install_test\ninstall_test"];
+
+    ENV_IMG -> DEVEL_IMG;
+    DEVEL_IMG -> BUILD_IMG;
+    BUILD_IMG -> TEST_IMG;
+
+    ENV_IMG -> INSTALL_ENV_IMG;
+    BUILD_IMG -> INSTALL_ENV_IMG [label="copy install", style="dashed"];
+    INSTALL_ENV_IMG -> INSTALL_DEVEL_IMG;
+    SPL -> INSTALL_DEVEL_IMG [label="copy", style="dashed"];
+    INSTALL_DEVEL_IMG -> INSTALL_BUILD_IMG;
+    INSTALL_BUILD_IMG -> INSTALL_TEST_IMG;
+
+    color=royalblue;
+    label = "docker/amd64/Dockerfile";
+  }
+  DISTRO_IMG -> ENV_IMG;
+  PKG -> ENV_IMG [label="install", style="dashed"];
+  SRC -> DEVEL_IMG [label="copy", style="dashed"];
+
+  subgraph clusterCache {
+    node [shape=note, style="rounded,filled", color=black, fillcolor=royalblue];
+    ENV_TAR [label="docker_amd64_env.tar"];
+    DEVEL_TAR [label="docker_amd64_devel.tar"];
+    BUILD_TAR [label="docker_amd64_build.tar"];
+    TEST_TAR [label="docker_amd64_test.tar"];
+    INSTALL_ENV_TAR [label="docker_amd64_install_env.tar"];
+    INSTALL_DEVEL_TAR [label="docker_amd64_install_devel.tar"];
+    INSTALL_BUILD_TAR [label="docker_amd64_install_build.tar"];
+    INSTALL_TEST_TAR [label="docker_amd64_install_test.tar"];
+
+    edge [color=red];
+    ENV_IMG -> ENV_TAR [label="make save_amd64_env"];
+    DEVEL_IMG -> DEVEL_TAR [label="make save_amd64_devel"];
+    BUILD_IMG -> BUILD_TAR [label="make save_amd64_build"];
+    TEST_IMG -> TEST_TAR [label="make save_amd64_test"];
+    INSTALL_ENV_IMG -> INSTALL_ENV_TAR [label="make save_amd64_install_env"];
+    INSTALL_DEVEL_IMG -> INSTALL_DEVEL_TAR [label="make save_amd64_install_devel"];
+    INSTALL_BUILD_IMG -> INSTALL_BUILD_TAR [label="make save_amd64_install_build"];
+    INSTALL_TEST_IMG -> INSTALL_TEST_TAR [label="make save_amd64_install_test"];
+
+    color=royalblue;
+    label = "cache/amd64/";
+  }
+}
+@enddot
diff --git a/cmake/ci/doc/docker.svg b/cmake/ci/doc/docker.svg
new file mode 100644
index 0000000..bd9bd6d
--- /dev/null
+++ b/cmake/ci/doc/docker.svg
@@ -0,0 +1,312 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.49.2 (0)
+ -->
+<!-- Title: DockerDeps Pages: 1 -->
+<svg width="1904pt" height="900pt"
+ viewBox="0.00 0.00 1904.00 899.75" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 895.75)">
+<title>DockerDeps</title>
+<polygon fill="white" stroke="transparent" points="-4,4 -4,-895.75 1900,-895.75 1900,4 -4,4"/>
+<g id="clust1" class="cluster">
+<title>clusterDockerfile</title>
+<polygon fill="none" stroke="royalblue" points="691,-116 691,-812.75 1253,-812.75 1253,-116 691,-116"/>
+<text text-anchor="middle" x="972" y="-797.55" font-family="Times,serif" font-size="14.00">docker/amd64/Dockerfile</text>
+</g>
+<g id="clust2" class="cluster">
+<title>clusterCache</title>
+<polygon fill="none" stroke="royalblue" points="8,-8 8,-83 1826,-83 1826,-8 8,-8"/>
+<text text-anchor="middle" x="917" y="-67.8" font-family="Times,serif" font-size="14.00">cache/amd64/</text>
+</g>
+<!-- DISTRO_IMG -->
+<g id="node1" class="node">
+<title>DISTRO_IMG</title>
+<path fill="royalblue" stroke="black" d="M893.5,-887.48C893.5,-889.28 868.18,-890.75 837,-890.75 805.82,-890.75 780.5,-889.28 780.5,-887.48 780.5,-887.48 780.5,-858.02 780.5,-858.02 780.5,-856.22 805.82,-854.75 837,-854.75 868.18,-854.75 893.5,-856.22 893.5,-858.02 893.5,-858.02 893.5,-887.48 893.5,-887.48"/>
+<path fill="none" stroke="black" d="M893.5,-887.48C893.5,-885.67 868.18,-884.2 837,-884.2 805.82,-884.2 780.5,-885.67 780.5,-887.48"/>
+<text text-anchor="middle" x="837" y="-869.05" font-family="Times,serif" font-size="14.00">ubuntu:latest</text>
+</g>
+<!-- ENV_IMG -->
+<g id="node5" class="node">
+<title>ENV_IMG</title>
+<path fill="royalblue" stroke="black" d="M1005,-777.1C1005,-779.74 961.52,-781.88 908,-781.88 854.48,-781.88 811,-779.74 811,-777.1 811,-777.1 811,-734.15 811,-734.15 811,-731.51 854.48,-729.37 908,-729.37 961.52,-729.37 1005,-731.51 1005,-734.15 1005,-734.15 1005,-777.1 1005,-777.1"/>
+<path fill="none" stroke="black" d="M1005,-777.1C1005,-774.47 961.52,-772.33 908,-772.33 854.48,-772.33 811,-774.47 811,-777.1"/>
+<text text-anchor="middle" x="908" y="-759.42" font-family="Times,serif" font-size="14.00">cpu_features:amd64_env</text>
+<text text-anchor="middle" x="908" y="-744.42" font-family="Times,serif" font-size="14.00">env</text>
+</g>
+<!-- DISTRO_IMG&#45;&gt;ENV_IMG -->
+<g id="edge10" class="edge">
+<title>DISTRO_IMG&#45;&gt;ENV_IMG</title>
+<path fill="none" stroke="black" d="M847.78,-854.26C858.17,-837.42 874.16,-811.49 887.05,-790.59"/>
+<polygon fill="black" stroke="black" points="890.09,-792.33 892.37,-781.98 884.14,-788.65 890.09,-792.33"/>
+</g>
+<!-- PKG -->
+<g id="node2" class="node">
+<title>PKG</title>
+<polygon fill="royalblue" stroke="black" points="1046.5,-891.75 915.5,-891.75 911.5,-887.75 911.5,-853.75 1042.5,-853.75 1046.5,-857.75 1046.5,-891.75"/>
+<polyline fill="none" stroke="black" points="1042.5,-887.75 911.5,-887.75 "/>
+<polyline fill="none" stroke="black" points="1042.5,-887.75 1042.5,-853.75 "/>
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+<text text-anchor="middle" x="796" y="-30.3" font-family="Times,serif" font-size="14.00">docker_amd64_install_test.tar</text>
+</g>
+<!-- INSTALL_TEST_IMG&#45;&gt;INSTALL_TEST_TAR -->
+<g id="edge20" class="edge">
+<title>INSTALL_TEST_IMG&#45;&gt;INSTALL_TEST_TAR</title>
+<path fill="none" stroke="red" d="M799.99,-123.98C795.9,-118.47 792.26,-112.36 790,-106 785.07,-92.11 786.03,-75.77 788.46,-62.27"/>
+<polygon fill="red" stroke="red" points="791.96,-62.66 790.65,-52.15 785.12,-61.19 791.96,-62.66"/>
+<text text-anchor="middle" x="898.5" y="-94.8" font-family="Times,serif" font-size="14.00">make save_amd64_install_test</text>
+</g>
+</g>
+</svg>
diff --git a/cmake/ci/doc/generate_image.sh b/cmake/ci/doc/generate_image.sh
new file mode 100755
index 0000000..15f1774
--- /dev/null
+++ b/cmake/ci/doc/generate_image.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -ex
+
+rm -f ./*.svg ./*.png
+for i in *.dot; do
+  plantuml -Tsvg "$i";
+done
diff --git a/cmake/ci/docker/amd64/Dockerfile b/cmake/ci/docker/amd64/Dockerfile
new file mode 100644
index 0000000..2cc3270
--- /dev/null
+++ b/cmake/ci/docker/amd64/Dockerfile
@@ -0,0 +1,48 @@
+# Create a virtual environment with all tools installed
+# ref: https://hub.docker.com/_/ubuntu
+FROM ubuntu:latest AS env
+LABEL maintainer="corentinl@google.com"
+# Install system build dependencies
+ENV PATH=/usr/local/bin:$PATH
+RUN apt-get update -qq \
+&& DEBIAN_FRONTEND=noninteractive apt-get install -yq git wget libssl-dev build-essential \
+ ninja-build python3 pkgconf libglib2.0-dev \
+&& apt-get clean \
+&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+ENTRYPOINT ["/usr/bin/bash", "-c"]
+CMD ["/usr/bin/bash"]
+
+# Install CMake 3.21.3
+RUN wget "https://cmake.org/files/v3.21/cmake-3.21.3-linux-x86_64.sh" \
+&& chmod a+x cmake-3.21.3-linux-x86_64.sh \
+&& ./cmake-3.21.3-linux-x86_64.sh --prefix=/usr/local/ --skip-license \
+&& rm cmake-3.21.3-linux-x86_64.sh
+
+FROM env AS devel
+WORKDIR /home/project
+COPY . .
+
+FROM devel AS build
+RUN cmake -version
+RUN cmake -S. -Bbuild
+RUN cmake --build build --target all -v
+RUN cmake --build build --target install -v
+
+FROM build AS test
+ENV CTEST_OUTPUT_ON_FAILURE=1
+RUN cmake --build build --target test -v
+
+# Test install rules
+FROM env AS install_env
+COPY --from=build /usr/local /usr/local/
+
+FROM install_env AS install_devel
+WORKDIR /home/sample
+COPY cmake/ci/sample .
+
+FROM install_devel AS install_build
+RUN cmake -S. -Bbuild
+RUN cmake --build build --target all -v
+
+FROM install_build AS install_test
+RUN cmake --build build --target test
diff --git a/cmake/ci/docker/toolchain/Dockerfile b/cmake/ci/docker/toolchain/Dockerfile
new file mode 100644
index 0000000..1bf25ed
--- /dev/null
+++ b/cmake/ci/docker/toolchain/Dockerfile
@@ -0,0 +1,34 @@
+# Create a virtual environment with all tools installed
+# ref: https://hub.docker.com/_/ubuntu
+FROM ubuntu:latest AS env
+LABEL maintainer="corentinl@google.com"
+# Install system build dependencies
+ENV PATH=/usr/local/bin:$PATH
+RUN apt-get update -qq \
+&& DEBIAN_FRONTEND=noninteractive apt-get install -yq git wget libssl-dev build-essential \
+ ninja-build python3 pkgconf libglib2.0-dev \
+&& apt-get clean \
+&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+ENTRYPOINT ["/usr/bin/bash", "-c"]
+CMD ["/usr/bin/bash"]
+
+# Install CMake 3.21.3
+RUN wget "https://cmake.org/files/v3.21/cmake-3.21.3-linux-x86_64.sh" \
+&& chmod a+x cmake-3.21.3-linux-x86_64.sh \
+&& ./cmake-3.21.3-linux-x86_64.sh --prefix=/usr/local/ --skip-license \
+&& rm cmake-3.21.3-linux-x86_64.sh
+
+FROM env AS devel
+WORKDIR /home/project
+COPY . .
+
+ARG TARGET
+ENV TARGET ${TARGET:-unknown}
+
+FROM devel AS build
+RUN cmake -version
+RUN ./scripts/run_integration.sh build
+
+FROM build AS test
+RUN ./scripts/run_integration.sh qemu
+RUN ./scripts/run_integration.sh test
diff --git a/cmake/ci/sample/CMakeLists.txt b/cmake/ci/sample/CMakeLists.txt
new file mode 100644
index 0000000..b60e92f
--- /dev/null
+++ b/cmake/ci/sample/CMakeLists.txt
@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.15)
+project(Sample VERSION 1.0.0 LANGUAGES CXX)
+
+include(CTest)
+find_package(CpuFeatures REQUIRED)
+
+add_executable(sample main.cpp)
+target_compile_features(sample PUBLIC cxx_std_11)
+set_target_properties(sample PROPERTIES
+  CXX_STANDARD 11
+  CXX_STANDARD_REQUIRED ON
+  VERSION ${PROJECT_VERSION})
+target_link_libraries(sample PRIVATE CpuFeatures::cpu_features)
+
+if(BUILD_TESTING)
+  add_test(NAME sample_test COMMAND sample)
+endif()
+
+include(GNUInstallDirs)
+install(TARGETS sample
+  EXPORT SampleTargets
+  DESTINATION ${CMAKE_INSTALL_BIN_DIR})
diff --git a/cmake/ci/sample/main.cpp b/cmake/ci/sample/main.cpp
new file mode 100644
index 0000000..45ec651
--- /dev/null
+++ b/cmake/ci/sample/main.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+
+#include "cpuinfo_x86.h"
+
+using namespace cpu_features;
+
+int main(int /*argc*/, char** /*argv*/) {
+  static const X86Features features = GetX86Info().features;
+  std::cout << std::endl;
+  return 0;
+}
diff --git a/cmake/ci/vagrant/freebsd/Vagrantfile b/cmake/ci/vagrant/freebsd/Vagrantfile
new file mode 100644
index 0000000..421dc88
--- /dev/null
+++ b/cmake/ci/vagrant/freebsd/Vagrantfile
@@ -0,0 +1,102 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure("2") do |config|
+  # The most common configuration options are documented and commented below.
+  # For a complete reference, please see the online documentation at
+  # https://docs.vagrantup.com.
+
+  # Every Vagrant development environment requires a box. You can search for
+  # boxes at https://vagrantcloud.com/search.
+  config.vm.guest = :freebsd
+  config.vm.box = "generic/freebsd12"
+
+  config.ssh.shell = "sh"
+
+  # Disable automatic box update checking. If you disable this, then
+  # boxes will only be checked for updates when the user runs
+  # `vagrant box outdated`. This is not recommended.
+  # config.vm.box_check_update = false
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine. In the example below,
+  # accessing "localhost:8080" will access port 80 on the guest machine.
+  # NOTE: This will enable public access to the opened port
+  # config.vm.network "forwarded_port", guest: 80, host: 8080
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine and only allow access
+  # via 127.0.0.1 to disable public access
+  # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"
+
+  # Create a private network, which allows host-only access to the machine
+  # using a specific IP.
+  # config.vm.network "private_network", ip: "192.168.33.10"
+
+  # Create a public network, which generally matched to bridged network.
+  # Bridged networks make the machine appear as another physical device on
+  # your network.
+  # config.vm.network "public_network"
+
+  # Share an additional folder to the guest VM. The first argument is
+  # the path on the host to the actual folder. The second argument is
+  # the path on the guest to mount the folder. And the optional third
+  # argument is a set of non-required options.
+  #config.vm.synced_folder "../../..", "/home/vagrant/project"
+  config.vm.synced_folder ".", "/vagrant", id: "vagrant-root", disabled: true
+
+  config.vm.provision "file", source: "../../../../CMakeLists.txt", destination: "$HOME/project/"
+  config.vm.provision "file", source: "../../../../cmake", destination: "$HOME/project/"
+  config.vm.provision "file", source: "../../../../include", destination: "$HOME/project/"
+  config.vm.provision "file", source: "../../../../src", destination: "$HOME/project/"
+  config.vm.provision "file", source: "../../../../test", destination: "$HOME/project/"
+
+  # Provider-specific configuration so you can fine-tune various
+  # backing providers for Vagrant. These expose provider-specific options.
+  # Example for VirtualBox:
+  #
+  # config.vm.provider "virtualbox" do |vb|
+  #   # Display the VirtualBox GUI when booting the machine
+  #   vb.gui = true
+  #
+  #   # Customize the amount of memory on the VM:
+  #   vb.memory = "1024"
+  # end
+  #
+  # View the documentation for the provider you are using for more
+  # information on available options.
+
+  # Enable provisioning with a shell script. Additional provisioners such as
+  # Ansible, Chef, Docker, Puppet and Salt are also available. Please see the
+  # documentation for more information about their specific syntax and use.
+  # note: clang installed by default
+  config.vm.provision "env", type: "shell", inline:<<-SHELL
+  set -x
+  pkg update -f
+  pkg install -y git cmake
+  SHELL
+  config.vm.provision "devel", type: "shell", inline:<<-SHELL
+  set -x
+  cd project
+  ls
+  SHELL
+  config.vm.provision "configure", type: "shell", inline:<<-SHELL
+  set -x
+  cd project
+  cmake -S. -Bbuild -DBUILD_TESTING=ON
+  SHELL
+  config.vm.provision "build", type: "shell", inline:<<-SHELL
+  set -x
+  cd project
+  cmake --build build -v
+  SHELL
+  config.vm.provision "test", type: "shell", inline:<<-SHELL
+  set -x
+  cd project
+  cmake --build build --target test -v
+  SHELL
+end