From 7be9039f5374fc282e4f449b7d57ae5017423656 Mon Sep 17 00:00:00 2001
From: Siarhei Fedartsou <siarhei.fedartsou@gmail.com>
Date: Thu, 6 Oct 2022 14:13:12 +0200
Subject: [PATCH] Get rid of Mason (#6387)

---
 .github/workflows/osrm-backend.yml |  27 +---
 .gitignore                         |   5 -
 CHANGELOG.md                       |   1 +
 cmake/mason.cmake                  | 215 -----------------------------
 scripts/mason.sh                   |   3 -
 src/nodejs/CMakeLists.txt          |   2 +-
 6 files changed, 8 insertions(+), 245 deletions(-)
 delete mode 100644 cmake/mason.cmake
 delete mode 100755 scripts/mason.sh

diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index 5232e31a849..6f85b511837 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -568,40 +568,25 @@ jobs:
 
         if [[ "${RUNNER_OS}" == "Linux" ]]; then
           echo "JOBS=$((`nproc` + 1))" >>  $GITHUB_ENV
-          export MASON_OS=linux
         elif [[ "${RUNNER_OS}" == "macOS" ]]; then
           echo "JOBS=$((`sysctl -n hw.ncpu` + 1))" >>  $GITHUB_ENV
-          sudo mdutil -i off /
-          export MASON_OS=osx
         fi
-        echo "MASON=${GITHUB_WORKSPACE}/scripts/mason.sh" >> $GITHUB_ENV
 
-        echo "CMAKE_URL=https://mason-binaries.s3.amazonaws.com/${MASON_OS}-x86_64/cmake/${CMAKE_VERSION}.tar.gz" >> $GITHUB_ENV
-        echo "CMAKE_DIR=mason_packages/${MASON_OS}-x86_64/cmake/${CMAKE_VERSION}" >> $GITHUB_ENV
     - name: Install dev dependencies
       run: |
         python3 -m pip install conan==1.51.3
 
-        # CMake
-        mkdir -p ${CMAKE_DIR}
-        wget --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C ${CMAKE_DIR}
-        echo "${CMAKE_DIR}/bin" >> $GITHUB_PATH
-
         # ccache
-        ${MASON} install ccache ${CCACHE_VERSION}
-        echo "$(${MASON} prefix ccache ${CCACHE_VERSION})/bin" >> $GITHUB_PATH
-
+        if [[ "${RUNNER_OS}" == "Linux" ]]; then
+          sudo apt-get update -y && sudo apt-get install ccache
+        elif [[ "${RUNNER_OS}" == "macOS" ]]; then
+          brew install ccache
+        fi
+ 
         # clang
         if [[ "${CCOMPILER}" == "clang-6.0" ]]; then
           sudo apt-get update -y && sudo apt-get install clang++-6
         fi
-        # we only enable lto for release builds
-        # and therefore don't need to us ld.gold or llvm tools for linking
-        # for debug builds
-        if [[ "${CCOMPILER}" == clang-* ]] && [[ ${BUILD_TYPE} == 'Release' ]]; then
-          ${MASON} install binutils 2.27
-          echo "$(${MASON} prefix binutils 2.27)/bin" >> $GITHUB_PATH
-        fi
       
         # Linux dev packages
         if [ "${TARGET_ARCH}" != "i686" ] && [ "${ENABLE_CONAN}" != "ON" ]; then
diff --git a/.gitignore b/.gitignore
index a821eef523d..3b443d06d05 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,3 @@
-# mason #
-#########
-/.mason
-/mason_packages
-
 # pre compiled dependencies #
 #############################
 osrm-deps
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 878c40b423f..20809baaed0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,7 @@
       - FIXED: Internal refactoring of identifier types used in data facade [#6044](https://github.com/Project-OSRM/osrm-backend/pull/6044)
       - CHANGED: Update docs to reflect recent build and dependency changes [#6383](https://github.com/Project-OSRM/osrm-backend/issues/6383)
     - Build:
+      - REMOVED: Get rid of Mason. [#6387](https://github.com/Project-OSRM/osrm-backend/pull/6387)
       - CHANGED: Use clang-format from CI base image. [#6391](https://github.com/Project-OSRM/osrm-backend/pull/6391)
       - ADDED: Build Node bindings on Windows. [#6334](https://github.com/Project-OSRM/osrm-backend/pull/6334)
       - ADDED: Configure cross-compilation for Apple Silicon. [#6360](https://github.com/Project-OSRM/osrm-backend/pull/6360)
diff --git a/cmake/mason.cmake b/cmake/mason.cmake
deleted file mode 100644
index d33c3439f7b..00000000000
--- a/cmake/mason.cmake
+++ /dev/null
@@ -1,215 +0,0 @@
-# Mason CMake
-
-include(CMakeParseArguments)
-
-function(mason_detect_platform)
-    # Determine platform
-    if(NOT MASON_PLATFORM)
-        # we call uname -s manually here since
-        # CMAKE_HOST_SYSTEM_NAME will not be defined before the project() call
-        execute_process(
-            COMMAND uname -s
-            OUTPUT_VARIABLE UNAME
-            OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-        if (UNAME STREQUAL "Darwin")
-            set(MASON_PLATFORM "osx" PARENT_SCOPE)
-        else()
-            set(MASON_PLATFORM "linux" PARENT_SCOPE)
-        endif()
-    endif()
-
-    # Determine platform version string
-    if(NOT MASON_PLATFORM_VERSION)
-        execute_process(
-            COMMAND uname -m
-            OUTPUT_VARIABLE MASON_PLATFORM_VERSION
-            OUTPUT_STRIP_TRAILING_WHITESPACE)
-        set(MASON_PLATFORM_VERSION "${MASON_PLATFORM_VERSION}" PARENT_SCOPE)
-    endif()
-endfunction()
-
-function(mason_use _PACKAGE)
-    if(NOT _PACKAGE)
-        message(FATAL_ERROR "[Mason] No package name given")
-    endif()
-
-    cmake_parse_arguments("" "HEADER_ONLY" "VERSION" "" ${ARGN})
-
-    if(_UNPARSED_ARGUMENTS)
-        message(FATAL_ERROR "[Mason] mason_use() called with unrecognized arguments: ${_UNPARSED_ARGUMENTS}")
-    endif()
-
-    if(NOT _VERSION)
-        message(FATAL_ERROR "[Mason] Specifying a version is required")
-    endif()
-
-    if(MASON_PACKAGE_${_PACKAGE}_INVOCATION STREQUAL "${MASON_INVOCATION}")
-        # Check that the previous invocation of mason_use didn't select another version of this package
-        if(NOT MASON_PACKAGE_${_PACKAGE}_VERSION STREQUAL ${_VERSION})
-            message(FATAL_ERROR "[Mason] Already using ${_PACKAGE} ${MASON_PACKAGE_${_PACKAGE}_VERSION}. Cannot select version ${_VERSION}.")
-        endif()
-    else()
-        if(_HEADER_ONLY)
-            set(_PLATFORM_ID "headers")
-        else()
-            set(_PLATFORM_ID "${MASON_PLATFORM}-${MASON_PLATFORM_VERSION}")
-        endif()
-
-        set(_SLUG "${_PLATFORM_ID}/${_PACKAGE}/${_VERSION}")
-        set(_INSTALL_PATH "${MASON_PACKAGE_DIR}/${_SLUG}")
-        file(RELATIVE_PATH _INSTALL_PATH_RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "${_INSTALL_PATH}")
-
-        if(NOT EXISTS "${_INSTALL_PATH}")
-            set(_CACHE_PATH "${MASON_PACKAGE_DIR}/.binaries/${_SLUG}.tar.gz")
-            if (NOT EXISTS "${_CACHE_PATH}")
-                # Download the package
-                set(_URL "${MASON_REPOSITORY}/${_SLUG}.tar.gz")
-                message("[Mason] Downloading package ${_URL}...")
-
-                set(_FAILED)
-                set(_ERROR)
-                # Note: some CMake versions are compiled without SSL support
-                get_filename_component(_CACHE_DIR "${_CACHE_PATH}" DIRECTORY)
-                file(MAKE_DIRECTORY "${_CACHE_DIR}")
-                execute_process(
-                    COMMAND curl --retry 3 -s -f -S -L "${_URL}" -o "${_CACHE_PATH}.tmp"
-                    RESULT_VARIABLE _FAILED
-                    ERROR_VARIABLE _ERROR)
-                if(_FAILED)
-                    message(FATAL_ERROR "[Mason] Failed to download ${_URL}: ${_ERROR}")
-                else()
-                    # We downloaded to a temporary file to prevent half-finished downloads
-                    file(RENAME "${_CACHE_PATH}.tmp" "${_CACHE_PATH}")
-                endif()
-            endif()
-
-            # Unpack the package
-            message("[Mason] Unpacking package to ${_INSTALL_PATH_RELATIVE}...")
-            file(MAKE_DIRECTORY "${_INSTALL_PATH}")
-            execute_process(
-                COMMAND ${CMAKE_COMMAND} -E tar xzf "${_CACHE_PATH}"
-                WORKING_DIRECTORY "${_INSTALL_PATH}")
-        endif()
-
-        # Error out if there is no config file.
-        if(NOT EXISTS "${_INSTALL_PATH}/mason.ini")
-            message(FATAL_ERROR "[Mason] Could not find mason.ini for package ${_PACKAGE} ${_VERSION}")
-        endif()
-
-        set(MASON_PACKAGE_${_PACKAGE}_PREFIX "${_INSTALL_PATH}" CACHE STRING "${_PACKAGE} ${_INSTALL_PATH}" FORCE)
-        mark_as_advanced(MASON_PACKAGE_${_PACKAGE}_PREFIX)
-
-        # Load the configuration from the ini file
-        file(STRINGS "${_INSTALL_PATH}/mason.ini" _CONFIG_FILE)
-        foreach(_LINE IN LISTS _CONFIG_FILE)
-            string(REGEX MATCH "^([a-z_]+) *= *" _KEY "${_LINE}")
-            if (_KEY)
-                string(LENGTH "${_KEY}" _KEY_LENGTH)
-                string(SUBSTRING "${_LINE}" ${_KEY_LENGTH} -1 _VALUE)
-                string(REGEX REPLACE ";.*$" "" _VALUE "${_VALUE}") # Trim trailing commas
-                string(REPLACE "{prefix}" "${_INSTALL_PATH}" _VALUE "${_VALUE}")
-                string(STRIP "${_VALUE}" _VALUE)
-                string(REPLACE "=" "" _KEY "${_KEY}")
-                string(STRIP "${_KEY}" _KEY)
-                string(TOUPPER "${_KEY}" _KEY)
-                if(_KEY STREQUAL "INCLUDE_DIRS" OR _KEY STREQUAL "STATIC_LIBS" )
-                    separate_arguments(_VALUE)
-                endif()
-                set(MASON_PACKAGE_${_PACKAGE}_${_KEY} "${_VALUE}" CACHE STRING "${_PACKAGE} ${_KEY}" FORCE)
-                mark_as_advanced(MASON_PACKAGE_${_PACKAGE}_${_KEY})
-            endif()
-        endforeach()
-
-        # Compare version in the package to catch errors early on
-        if(NOT _VERSION STREQUAL MASON_PACKAGE_${_PACKAGE}_VERSION)
-            message(FATAL_ERROR "[Mason] Package at ${_INSTALL_PATH_RELATIVE} has version '${MASON_PACKAGE_${_PACKAGE}_VERSION}', but required '${_VERSION}'")
-        endif()
-
-        if(NOT _PACKAGE STREQUAL MASON_PACKAGE_${_PACKAGE}_NAME)
-            message(FATAL_ERROR "[Mason] Package at ${_INSTALL_PATH_RELATIVE} has name '${MASON_PACKAGE_${_PACKAGE}_NAME}', but required '${_NAME}'")
-        endif()
-
-        if(NOT _HEADER_ONLY)
-            if(NOT MASON_PLATFORM STREQUAL MASON_PACKAGE_${_PACKAGE}_PLATFORM)
-                message(FATAL_ERROR "[Mason] Package at ${_INSTALL_PATH_RELATIVE} has platform '${MASON_PACKAGE_${_PACKAGE}_PLATFORM}', but required '${MASON_PLATFORM}'")
-            endif()
-
-            if(NOT MASON_PLATFORM_VERSION STREQUAL MASON_PACKAGE_${_PACKAGE}_PLATFORM_VERSION)
-                message(FATAL_ERROR "[Mason] Package at ${_INSTALL_PATH_RELATIVE} has platform version '${MASON_PACKAGE_${_PACKAGE}_PLATFORM_VERSION}', but required '${MASON_PLATFORM_VERSION}'")
-            endif()
-        endif()
-
-        # Concatenate the static libs and libraries
-        set(_LIBRARIES)
-        list(APPEND _LIBRARIES ${MASON_PACKAGE_${_PACKAGE}_STATIC_LIBS} ${MASON_PACKAGE_${_PACKAGE}_LDFLAGS})
-        set(MASON_PACKAGE_${_PACKAGE}_LIBRARIES "${_LIBRARIES}" CACHE STRING "${_PACKAGE} _LIBRARIES" FORCE)
-        mark_as_advanced(MASON_PACKAGE_${_PACKAGE}_LIBRARIES)
-
-        if(NOT _HEADER_ONLY)
-            string(REGEX MATCHALL "(^| +)-L *([^ ]+)" MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS "${MASON_PACKAGE_${_PACKAGE}_LDFLAGS}")
-            string(REGEX REPLACE "(^| +)-L *" "\\1" MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS "${MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS}")
-            set(MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS "${MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS}" CACHE STRING "${_PACKAGE} ${MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS}" FORCE)
-            mark_as_advanced(MASON_PACKAGE_${_PACKAGE}_LIBRARY_DIRS)
-        endif()
-
-        # Store invocation ID to prevent different versions of the same package in one invocation
-        set(MASON_PACKAGE_${_PACKAGE}_INVOCATION "${MASON_INVOCATION}" CACHE INTERNAL "${_PACKAGE} invocation ID" FORCE)
-    endif()
-endfunction()
-
-macro(target_add_mason_package _TARGET _VISIBILITY _PACKAGE)
-    if (NOT MASON_PACKAGE_${_PACKAGE}_INVOCATION)
-        message(FATAL_ERROR "[Mason] Package ${_PACKAGE} has not been initialized yet")
-    endif()
-
-    target_include_directories(${_TARGET} ${_VISIBILITY} "${MASON_PACKAGE_${_PACKAGE}_INCLUDE_DIRS}")
-    target_compile_definitions(${_TARGET} ${_VISIBILITY} "${MASON_PACKAGE_${_PACKAGE}_DEFINITIONS}")
-    target_compile_options(${_TARGET} ${_VISIBILITY} "${MASON_PACKAGE_${_PACKAGE}_OPTIONS}")
-    target_link_libraries(${_TARGET} ${_VISIBILITY} "${MASON_PACKAGE_${_PACKAGE}_LIBRARIES}")
-endmacro()
-
-# Setup
-
-string(RANDOM LENGTH 16 MASON_INVOCATION)
-
-# Read environment variables if CMake is run in command mode
-if (CMAKE_ARGC)
-    set(MASON_PLATFORM "$ENV{MASON_PLATFORM}")
-    set(MASON_PLATFORM_VERSION "$ENV{MASON_PLATFORM_VERSION}")
-    set(MASON_PACKAGE_DIR "$ENV{MASON_PACKAGE_DIR}")
-    set(MASON_REPOSITORY "$ENV{MASON_REPOSITORY}")
-endif()
-
-# Directory where Mason packages are located; typically ends with mason_packages
-if (NOT MASON_PACKAGE_DIR)
-    set(MASON_PACKAGE_DIR "${CMAKE_SOURCE_DIR}/mason_packages")
-endif()
-
-# URL prefix of where packages are located.
-if (NOT MASON_REPOSITORY)
-    set(MASON_REPOSITORY "https://mason-binaries.s3.amazonaws.com")
-endif()
-
-mason_detect_platform()
-
-# Execute commands if CMake is run in command mode
-if (CMAKE_ARGC)
-    # Collect remaining arguments for passing to mason_use
-    set(_MASON_ARGS)
-    if (${CMAKE_ARGC} LESS 5)
-        message(FATAL_ERROR "Usage: mason.sh [install|prefix] PACKAGE VERSION")
-    endif()
-
-    if (${CMAKE_ARGV3} STREQUAL "install")
-        # Install the package
-        mason_use(${CMAKE_ARGV4} VERSION ${CMAKE_ARGV5})
-    elseif (${CMAKE_ARGV3} STREQUAL "prefix")
-        set(PKG_PREFIX "${MASON_PACKAGE_DIR}/${MASON_PLATFORM}-${MASON_PLATFORM_VERSION}/${CMAKE_ARGV4}/${CMAKE_ARGV5}")
-        # CMake can't write to stdout with message()
-        execute_process(COMMAND ${CMAKE_COMMAND} -E echo "${PKG_PREFIX}")
-    else()
-        message(FATAL_ERROR "Usage: mason.sh [install|prefix] PACKAGE VERSION")
-    endif()
-
-endif()
diff --git a/scripts/mason.sh b/scripts/mason.sh
deleted file mode 100755
index 696ad26adbe..00000000000
--- a/scripts/mason.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-cmake -P cmake/mason.cmake "$@"
diff --git a/src/nodejs/CMakeLists.txt b/src/nodejs/CMakeLists.txt
index 30f4128ff98..7d93a09b691 100644
--- a/src/nodejs/CMakeLists.txt
+++ b/src/nodejs/CMakeLists.txt
@@ -34,7 +34,7 @@ foreach(binary ${OSRM_BINARIES})
   list(APPEND ARTIFACTS "${BINDING_DIR}/${binary}")
 endforeach(binary)
 
-# For mason-enabled builds we copy over tbb's shared objects for packaging.
+# For Conan-enabled builds we copy over tbb's shared objects for packaging.
 # TODO: consider using statically linked tbb library (for node_osrm only!)
 if (ENABLE_CONAN)
   foreach(libpath ${CONAN_LIB_DIRS_ONETBB})