Adds support for making environment for arch linux and some other dis…

Makefile

@@ -46,16 +46,7 @@ ifeq ($(OPERATING_SYSTEM),Darwin)
 endif
 ifeq ($(OPERATING_SYSTEM),Linux)
 	@echo 🐧 LINUX INSTALL
-	sudo apt install -y build-essential
-	sudo apt install -y iwyu
-	sudo apt install -y llvm
-	sudo apt install -y clang-9
-	sudo apt install -y cmake
-	sudo apt install -y lcov
-	sudo apt install -y cppcheck
-	sudo apt install -y clang-format
-	sudo apt install -y clang-tidy
-	sudo apt install -y valgrind
+	@sudo /bin/bash make-environment-linux.sh
 endif
 ifeq ($(OPERATING_SYSTEM),Windows)
 	@echo 🏁 WINDOWS INSTALL

README.md

@@ -64,7 +64,15 @@ To build for iOS you need XCode installed
 
 ### Linux
 
-The automated install of dependencies is currently only supported on debian-based systems. See the makefile for more information.
+The automated install of dependencies is currently only supported on debian-based systems, Arch Linux and some Redhat-based systems. Although it is supposed to work on most of the supported Linux distributions, however the following distributions have been successfully tested:
+- Archlinux
+- Debian 11
+- Ubuntu 22.04
+- Ubuntu 20.04
+- Centos 8
+- Oracle Linux 8.6
+- Oracle Linux 9
+
 
 ### 🖥️ Windows (using MSVC)
 

make-environment-linux.sh

@@ -0,0 +1,128 @@
+#!/bin/bash
+
+build_iwyu() {
+    # Some distributions (e.g. centos8, oracel linux 8) don't have iwyu 
+    # in their repos so we build it from the source. 
+    git clone https://github.com/include-what-you-use/include-what-you-use.git
+    cd include-what-you-use
+    if [[ `command -v clang` ]]; then
+        local clang_version=`clang --version | grep version | cut -d' ' -f3 | cut -d'.' -f1`
+        git checkout clang_${clang_version} || die "clang_${clang_version} branch not found."
+        cd ..
+        mkdir build && cd build
+        if [[ "${clang_version}" -gt 6 ]]; then
+            cmake -G "Unix Makefiles" -DCMAKE_PREFIX_PATH=/usr/lib/llvm-7 ../include-what-you-use
+        else
+            cmake -G "Unix Makefiles" -DIWYU_LLVM_ROOT_PATH=/usr/lib/llvm-6.0 ../include-what-you-use
+        fi
+        test -f Makefile && make
+    fi
+}
+
+get_lcov_if_not_available() {
+    # lcov is currently not available on some repo distribution
+    # such as Oracle linux 9. Therefore, we first check if it is available 
+    # in the distribtion's repo, otherwise download it from git repo
+    # and install it locally.
+    (${1} list available | grep lcov) && return 0
+    local rpm_url=$(curl -s https://api.github.com/repos/linux-test-project/lcov/releases | \
+            grep browser_download_url | \
+            grep 'noarch.rpm' | \
+            head -n 1 | \
+            cut -d'"' -f 4);
+    local rpm_name=$(echo ${rpm_url} | rev| cut -d'/' -f 1 | rev)
+    wget -O ${rpm_name} ${rpm_url}
+    ${1} localinstall -y ${rpm_name}
+}
+
+download_and_install_epel() {
+    # we have reached here therefore it must be a rehdat 7 based distribution.
+    wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+    rpm -Uvh epel-release-latest-7*.rpm
+}
+
+enable_additional_repos_on_redhat() {
+    local repo_name="powertools"
+    ${1} install -y epel-release || download_and_install_epel
+    local dist_name=$(cat /etc/os-release | grep '^NAME')
+    [[ "${dist_name}" == *"Oracle"* ]] && repo_name="ol*_codeready_builder"
+    if [[ "${1}" == "dnf" ]]; then
+        ${1} config-manager --set-enabled ${repo_name}
+    elif [[ "${1}" == "yum" ]]; then
+        yum-config-manager --enable ${repo_name}
+    fi
+}
+
+make_env_on_archlinux() {
+    pacman -Sy base-devel \
+                cmake \
+                llvm \
+                clang \
+                lcov \
+                cppcheck \
+                valgrind \
+                git \
+                --noconfirm
+    build_iwyu
+}
+
+make_env_on_redhat() {
+    local packages=(llvm llvm-devel clang clang-* cmake lcov cppcheck valgrind)
+    if [[ "${1}" == "yum" ]]; then
+        ${1} groupinstall -y "Development Tools"
+        enable_additional_repos_on_redhat ${1}
+        packages=(iwyu ${packages[@]})
+        ${1} install -y ${packages[@]}
+    elif [[ "${1}" == "dnf" ]]; then
+        ${1} group install -y "Development Tools"
+        enable_additional_repos_on_redhat ${1}
+        get_lcov_if_not_available ${1}
+        ${1} install -y ${packages[@]}
+        build_iwyu
+    fi
+}
+
+make_env_on_debian() {
+    apt install -y build-essential \
+                    iwyu \
+                    llvm \
+                    clang-* \
+                    cmake \
+                    lcov \
+                    cppcheck \
+                    valgrind
+}
+
+main() {
+    local LINUX_PACKAGE_MANAGER=''
+    # We can add more package managers for more distribution support
+    # e.g. can add zypper for opensuse. 
+    declare -a pack_mans=("dnf" "yum" "apt" "pacman") 
+    for pack_man in ${pack_mans[@]}; do 
+        if [[ `command -v ${pack_man}` ]]; then 
+            LINUX_PACKAGE_MANAGER=${pack_man} 
+            echo "Package manager found: ${pack_man}" 
+            break 
+        fi 
+    done 
+    if [[ -n "${LINUX_PACKAGE_MANAGER}" ]]; then 
+        case "${LINUX_PACKAGE_MANAGER}" in
+            "yum") make_env_on_redhat ${LINUX_PACKAGE_MANAGER};;
+            "dnf") make_env_on_redhat ${LINUX_PACKAGE_MANAGER};;
+            "apt") make_env_on_debian ;;
+            "pacman") make_env_on_archlinux ;;
+            *) ;;
+        esac 
+    else 
+        die
+    fi 
+}
+
+die() {
+    local die_msg="This Linux distribution is not supported."
+    [[ -z "${1}" ]] && echo ${die_msg} || echo ${1}
+    false
+    exit
+}
+
+main