🔧 Use conan_provider for running conan

.github/workflows/main.yml

@@ -3,104 +3,63 @@ name: Build
 on: [push, pull_request]
 
 jobs:
-  build-msvc:
-    name: Windows
+  build:
+    name: Build on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
     env:
-      BUILD_TOOLS_PATH: C:\Program Files\Conan\conan
-      CONAN_USER_HOME_SHORT: None
-    runs-on: windows-latest
+      BUILD_TOOLS_PATH: C:\apps\build-tools\
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
     steps:
       - run: echo $env:BUILD_TOOLS_PATH | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+        if: startsWith(matrix.os, 'windows')
 
       - uses: actions/checkout@v4
 
       - name: Cache conan
-        uses: actions/cache@v4.0.0
+        uses: actions/cache@v4
         with:
-          key: conan-win-${{ hashFiles('conanfile.txt') }}
+          key: conan-${{ matrix.os }}-${{ hashFiles('conanfile.txt') }}
           path: ~/.conan2/
 
-      - name: Install dependencies
-        run: choco install conan ninja -y
-
       - name: Enable Developer Command Prompt
-        uses: ilammy/msvc-dev-cmd@v1.13.0
+        uses: ilammy/msvc-dev-cmd@v1
 
-      - name: Build
-        run: |
-          conan install . -b missing -pr:b=tools/conan-profiles/vs-22-release-ninja -pr=tools/conan-profiles/vs-22-release-ninja
-          cmake --preset conan-release -DBUILD_TEST=ON
-          ninja
+      - name: Install dependencies (Ubuntu)
+        if: startsWith(matrix.os, 'ubuntu')
+        run: | 
+          curl "https://raw.githubusercontent.com/AnotherFoxGuy/ci-scripts/main/install-conan.sh" | sudo bash
+          sudo apt-get update
+          sudo apt-get -y install ninja-build
+          conan profile detect --force
+          echo "tools.system.package_manager:mode = install" > ~/.conan2/global.conf
+          echo "tools.system.package_manager:sudo = True" >> ~/.conan2/global.conf
 
-      - name: Test
-        run: ctest -j2 --output-on-failure
-
-      - name: Clean Conan pkgs
-        run: conan cache clean "*" -sbd
-
-  build-gcc:
-    name: Linux
-    env:
-      CONAN_SYSREQUIRES_MODE: "enabled"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Cache conan
-        uses: actions/cache@v4.0.0
-        with:
-          key: conan-linux-${{ hashFiles('conanfile.txt') }}
-          path: ~/.conan2/
+      - name: Install dependencies (Windows)
+        if: startsWith(matrix.os, 'windows')
+        shell: cmd
+        run: git clone https://git.anotherfoxguy.com/AnotherFoxGuy/build-tools.git %BUILD_TOOLS_PATH%
 
       - name: Install dependencies
-        run: |
-          sudo apt-get update
-          curl "https://raw.githubusercontent.com/AnotherFoxGuy/ci-scripts/main/install-cmake.sh" | sudo bash
-          curl "https://raw.githubusercontent.com/AnotherFoxGuy/ci-scripts/main/install-conan2.0.sh" | sudo bash
-          sudo apt-get -y install ninja-build 
+        if: startsWith(matrix.os, 'macos')
+        run: brew install conan ninja
 
       - name: Configure
         run: |
-          conan profile detect --force
-          conan install . -s build_type=Release -b missing -pr:b=default -c tools.cmake.cmaketoolchain:generator="Ninja"
-          cmake --preset conan-release -DBUILD_TEST=ON
+          cmake . -GNinja -DCMAKE_BUILD_TYPE=Release -Bbuild -DBUILD_TEST=ON -DCMAKE_PROJECT_TOP_LEVEL_INCLUDES="cmake/conan_provider.cmake" 
 
       - name: Build
         run: |
+          cd build
           ninja
 
       - name: Test
-        run: ctest -j2 --output-on-failure
-
-      - name: Clean Conan pkgs
-        run: conan cache clean "*" -sbd
-
-  build-appleclang:
-    name: MacOS
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Cache conan
-        uses: actions/cache@v4.0.0
-        with:
-          key: conan-mac-${{ hashFiles('conanfile.txt') }}
-          path: ~/.conan2/
-
-      - name: Install dependencies
-        run: brew install conan ninja
-
-      - name: Build
         run: |
-          conan profile detect --force          
-          conan install . -s build_type=Release -b missing -pr:b=default -c tools.cmake.cmaketoolchain:generator="Ninja"
-          cmake --preset conan-release -DBUILD_TEST=ON
-          ninja
-        shell: bash
-
-      - name: Test
-        run: ctest -j2 --output-on-failure
-        shell: bash
+          cd build
+          ctest --output-on-failure
 
       - name: Clean Conan pkgs
         run: conan cache clean "*" -sbd

.github/workflows/sonarcloud.yml

@@ -18,7 +18,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install sonar-scanner and build-wrapper
-        uses: sonarsource/sonarcloud-github-c-cpp@v2
+        uses: sonarsource/sonarcloud-github-c-cpp@v3
         id: sonarscan
 
       - name: Download and set up sonar-scanner
@@ -26,23 +26,8 @@ jobs:
           wget -nv https://cdn.anotherfoxguy.com/sonar-scanner/mofilereader -O run-sonar-scanner
           sudo chmod 777 run-sonar-scanner
 
-      - name: Prepare cfamily cache timestamp
-        id: cfamily_cache_timestamp
-        shell: cmake -P {0}
-        run: |
-          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
-          message("::set-output name=timestamp::${current_date}")
-
-      - name: cfamily cache files
-        uses: actions/cache@v4.0.0
-        with:
-          path: cfamily-cache
-          key: cfamily-cache-${{ steps.cfamily_cache_timestamp.outputs.timestamp }}
-          restore-keys: |
-            cfamily-cache-
-
       - name: Cache conan
-        uses: actions/cache@v4.0.0
+        uses: actions/cache@v4
         with:
           key: conan-linux-${{ hashFiles('conanfile.txt') }}
           path: ~/.conan2/
@@ -50,20 +35,18 @@ jobs:
       - name: Install dependencies
         run: |
           curl "https://raw.githubusercontent.com/AnotherFoxGuy/ci-scripts/main/install-cmake.sh" | sudo bash
-          curl "https://raw.githubusercontent.com/AnotherFoxGuy/ci-scripts/main/install-conan2.0.sh" | sudo bash
+          curl "https://raw.githubusercontent.com/AnotherFoxGuy/ci-scripts/main/install-conan.sh" | sudo bash
 
       - name: Configure
         run: |
-          conan profile detect --force
-          conan install . -s build_type=Release -b missing -pr:b=default
-          cmake --preset conan-release -DBUILD_TEST=ON -DENABLE_COVERAGE=ON
+          cmake --preset conan-release -DBUILD_TEST=ON -DENABLE_COVERAGE=ON -DCMAKE_PROJECT_TOP_LEVEL_INCLUDES="cmake/conan_provider.cmake"
 
       - name: Run build-wrapper
         run: build-wrapper-linux-x86-64 --out-dir bw-output make -j4
 
       - name: Test
         continue-on-error: true
-        run: ctest -j2 --output-on-failure
+        run: ctest --output-on-failure
 
       - name: Generate coverage
         run: make gcov

CMakeLists.txt

@@ -1,7 +1,7 @@
 #-------------------------------------------------------
 # moFileReader Main Build Script
 #-------------------------------------------------------
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.10)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake")
 include(CMakeCM)

cmake/conan_provider.cmake

@@ -0,0 +1,676 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2024 JFrog
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+set(CONAN_MINIMUM_VERSION 2.0.5)
+
+# Create a new policy scope and set the minimum required cmake version so the
+# features behind a policy setting like if(... IN_LIST ...) behaves as expected
+# even if the parent project does not specify a minimum cmake version or a minimum
+# version less than this module requires (e.g. 3.0) before the first project() call.
+# (see: https://cmake.org/cmake/help/latest/variable/CMAKE_PROJECT_TOP_LEVEL_INCLUDES.html)
+#
+# The policy-affecting calls like cmake_policy(SET...) or `cmake_minimum_required` only
+# affects the current policy scope, i.e. between the PUSH and POP in this case.
+#
+# https://cmake.org/cmake/help/book/mastering-cmake/chapter/Policies.html#the-policy-stack
+cmake_policy(PUSH)
+cmake_minimum_required(VERSION 3.24)
+
+
+function(detect_os os os_api_level os_sdk os_subsystem os_version)
+    # it could be cross compilation
+    message(STATUS "CMake-Conan: cmake_system_name=${CMAKE_SYSTEM_NAME}")
+    if(CMAKE_SYSTEM_NAME AND NOT CMAKE_SYSTEM_NAME STREQUAL "Generic")
+        if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+            set(${os} Macos PARENT_SCOPE)
+        elseif(CMAKE_SYSTEM_NAME STREQUAL "QNX")
+            set(${os} Neutrino PARENT_SCOPE)
+        elseif(CMAKE_SYSTEM_NAME STREQUAL "CYGWIN")
+            set(${os} Windows PARENT_SCOPE)
+            set(${os_subsystem} cygwin PARENT_SCOPE)
+        elseif(CMAKE_SYSTEM_NAME MATCHES "^MSYS")
+            set(${os} Windows PARENT_SCOPE)
+            set(${os_subsystem} msys2 PARENT_SCOPE)
+        else()
+            set(${os} ${CMAKE_SYSTEM_NAME} PARENT_SCOPE)
+        endif()
+        if(CMAKE_SYSTEM_NAME STREQUAL "Android")
+            if(DEFINED ANDROID_PLATFORM)
+                string(REGEX MATCH "[0-9]+" _os_api_level ${ANDROID_PLATFORM})
+            elseif(DEFINED CMAKE_SYSTEM_VERSION)
+                set(_os_api_level ${CMAKE_SYSTEM_VERSION})
+            endif()
+            message(STATUS "CMake-Conan: android api level=${_os_api_level}")
+            set(${os_api_level} ${_os_api_level} PARENT_SCOPE)
+        endif()
+        if(CMAKE_SYSTEM_NAME MATCHES "Darwin|iOS|tvOS|watchOS")
+            # CMAKE_OSX_SYSROOT contains the full path to the SDK for MakeFile/Ninja
+            # generators, but just has the original input string for Xcode.
+            if(NOT IS_DIRECTORY ${CMAKE_OSX_SYSROOT})
+                set(_os_sdk ${CMAKE_OSX_SYSROOT})
+            else()
+                if(CMAKE_OSX_SYSROOT MATCHES Simulator)
+                    set(apple_platform_suffix simulator)
+                else()
+                    set(apple_platform_suffix os)
+                endif()
+                if(CMAKE_OSX_SYSROOT MATCHES AppleTV)
+                    set(_os_sdk "appletv${apple_platform_suffix}")
+                elseif(CMAKE_OSX_SYSROOT MATCHES iPhone)
+                    set(_os_sdk "iphone${apple_platform_suffix}")
+                elseif(CMAKE_OSX_SYSROOT MATCHES Watch)
+                    set(_os_sdk "watch${apple_platform_suffix}")
+                endif()
+            endif()
+            if(DEFINED os_sdk)
+                message(STATUS "CMake-Conan: cmake_osx_sysroot=${CMAKE_OSX_SYSROOT}")
+                set(${os_sdk} ${_os_sdk} PARENT_SCOPE)
+            endif()
+            if(DEFINED CMAKE_OSX_DEPLOYMENT_TARGET)
+                message(STATUS "CMake-Conan: cmake_osx_deployment_target=${CMAKE_OSX_DEPLOYMENT_TARGET}")
+                set(${os_version} ${CMAKE_OSX_DEPLOYMENT_TARGET} PARENT_SCOPE)
+            endif()
+        endif()
+    endif()
+endfunction()
+
+
+function(detect_arch arch)
+    # CMAKE_OSX_ARCHITECTURES can contain multiple architectures, but Conan only supports one.
+    # Therefore this code only finds one. If the recipes support multiple architectures, the
+    # build will work. Otherwise, there will be a linker error for the missing architecture(s).
+    if(DEFINED CMAKE_OSX_ARCHITECTURES)
+        string(REPLACE " " ";" apple_arch_list "${CMAKE_OSX_ARCHITECTURES}")
+        list(LENGTH apple_arch_list apple_arch_count)
+        if(apple_arch_count GREATER 1)
+            message(WARNING "CMake-Conan: Multiple architectures detected, this will only work if Conan recipe(s) produce fat binaries.")
+        endif()
+    endif()
+    if(CMAKE_SYSTEM_NAME MATCHES "Darwin|iOS|tvOS|watchOS" AND NOT CMAKE_OSX_ARCHITECTURES STREQUAL "")
+        set(host_arch ${CMAKE_OSX_ARCHITECTURES})
+    elseif(MSVC)
+        set(host_arch ${CMAKE_CXX_COMPILER_ARCHITECTURE_ID})
+    else()
+        set(host_arch ${CMAKE_SYSTEM_PROCESSOR})
+    endif()
+    if(host_arch MATCHES "aarch64|arm64|ARM64")
+        set(_arch armv8)
+    elseif(host_arch MATCHES "armv7|armv7-a|armv7l|ARMV7")
+        set(_arch armv7)
+    elseif(host_arch MATCHES armv7s)
+        set(_arch armv7s)
+    elseif(host_arch MATCHES "i686|i386|X86")
+        set(_arch x86)
+    elseif(host_arch MATCHES "AMD64|amd64|x86_64|x64")
+        set(_arch x86_64)
+    endif()
+    message(STATUS "CMake-Conan: cmake_system_processor=${_arch}")
+    set(${arch} ${_arch} PARENT_SCOPE)
+endfunction()
+
+
+function(detect_cxx_standard cxx_standard)
+    set(${cxx_standard} ${CMAKE_CXX_STANDARD} PARENT_SCOPE)
+    if(CMAKE_CXX_EXTENSIONS)
+        set(${cxx_standard} "gnu${CMAKE_CXX_STANDARD}" PARENT_SCOPE)
+    endif()
+endfunction()
+
+
+macro(detect_gnu_libstdcxx)
+    # _conan_is_gnu_libstdcxx true if GNU libstdc++
+    check_cxx_source_compiles("
+    #include <cstddef>
+    #if !defined(__GLIBCXX__) && !defined(__GLIBCPP__)
+    static_assert(false);
+    #endif
+    int main(){}" _conan_is_gnu_libstdcxx)
+
+    # _conan_gnu_libstdcxx_is_cxx11_abi true if C++11 ABI
+    check_cxx_source_compiles("
+    #include <string>
+    static_assert(sizeof(std::string) != sizeof(void*), \"using libstdc++\");
+    int main () {}" _conan_gnu_libstdcxx_is_cxx11_abi)
+
+    set(_conan_gnu_libstdcxx_suffix "")
+    if(_conan_gnu_libstdcxx_is_cxx11_abi)
+        set(_conan_gnu_libstdcxx_suffix "11")
+    endif()
+    unset (_conan_gnu_libstdcxx_is_cxx11_abi)
+endmacro()
+
+
+macro(detect_libcxx)
+    # _conan_is_libcxx true if LLVM libc++
+    check_cxx_source_compiles("
+    #include <cstddef>
+    #if !defined(_LIBCPP_VERSION)
+       static_assert(false);
+    #endif
+    int main(){}" _conan_is_libcxx)
+endmacro()
+
+
+function(detect_lib_cxx lib_cxx)
+    if(CMAKE_SYSTEM_NAME STREQUAL "Android")
+        message(STATUS "CMake-Conan: android_stl=${CMAKE_ANDROID_STL_TYPE}")
+        set(${lib_cxx} ${CMAKE_ANDROID_STL_TYPE} PARENT_SCOPE)
+        return()
+    endif()
+
+    include(CheckCXXSourceCompiles)
+
+    if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+        detect_gnu_libstdcxx()
+        set(${lib_cxx} "libstdc++${_conan_gnu_libstdcxx_suffix}" PARENT_SCOPE)
+    elseif(CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
+        set(${lib_cxx} "libc++" PARENT_SCOPE)
+    elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
+        # Check for libc++
+        detect_libcxx()
+        if(_conan_is_libcxx)
+            set(${lib_cxx} "libc++" PARENT_SCOPE)
+            return()
+        endif()
+
+        # Check for libstdc++
+        detect_gnu_libstdcxx()
+        if(_conan_is_gnu_libstdcxx)
+            set(${lib_cxx} "libstdc++${_conan_gnu_libstdcxx_suffix}" PARENT_SCOPE)
+            return()
+        endif()
+
+        # TODO: it would be an error if we reach this point
+    elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+        # Do nothing - compiler.runtime and compiler.runtime_type
+        # should be handled separately: https://github.com/conan-io/cmake-conan/pull/516
+        return()
+    else()
+        # TODO: unable to determine, ask user to provide a full profile file instead
+    endif()
+endfunction()
+
+
+function(detect_compiler compiler compiler_version compiler_runtime compiler_runtime_type)
+    if(DEFINED CMAKE_CXX_COMPILER_ID)
+        set(_compiler ${CMAKE_CXX_COMPILER_ID})
+        set(_compiler_version ${CMAKE_CXX_COMPILER_VERSION})
+    else()
+        if(NOT DEFINED CMAKE_C_COMPILER_ID)
+            message(FATAL_ERROR "C or C++ compiler not defined")
+        endif()
+        set(_compiler ${CMAKE_C_COMPILER_ID})
+        set(_compiler_version ${CMAKE_C_COMPILER_VERSION})
+    endif()
+
+    message(STATUS "CMake-Conan: CMake compiler=${_compiler}")
+    message(STATUS "CMake-Conan: CMake compiler version=${_compiler_version}")
+
+    if(_compiler MATCHES MSVC)
+        set(_compiler "msvc")
+        string(SUBSTRING ${MSVC_VERSION} 0 3 _compiler_version)
+        # Configure compiler.runtime and compiler.runtime_type settings for MSVC
+        if(CMAKE_MSVC_RUNTIME_LIBRARY)
+            set(_msvc_runtime_library ${CMAKE_MSVC_RUNTIME_LIBRARY})
+        else()
+            set(_msvc_runtime_library MultiThreaded$<$<CONFIG:Debug>:Debug>DLL) # default value documented by CMake
+        endif()
+
+        set(_KNOWN_MSVC_RUNTIME_VALUES "")
+        list(APPEND _KNOWN_MSVC_RUNTIME_VALUES MultiThreaded MultiThreadedDLL)
+        list(APPEND _KNOWN_MSVC_RUNTIME_VALUES MultiThreadedDebug MultiThreadedDebugDLL)
+        list(APPEND _KNOWN_MSVC_RUNTIME_VALUES MultiThreaded$<$<CONFIG:Debug>:Debug> MultiThreaded$<$<CONFIG:Debug>:Debug>DLL)
+
+        # only accept the 6 possible values, otherwise we don't don't know to map this
+        if(NOT _msvc_runtime_library IN_LIST _KNOWN_MSVC_RUNTIME_VALUES)
+            message(FATAL_ERROR "CMake-Conan: unable to map MSVC runtime: ${_msvc_runtime_library} to Conan settings")
+        endif()
+
+        # Runtime is "dynamic" in all cases if it ends in DLL
+        if(_msvc_runtime_library MATCHES ".*DLL$")
+            set(_compiler_runtime "dynamic")
+        else()
+            set(_compiler_runtime "static")
+        endif()
+        message(STATUS "CMake-Conan: CMake compiler.runtime=${_compiler_runtime}")
+
+        # Only define compiler.runtime_type when explicitly requested
+        # If a generator expression is used, let Conan handle it conditional on build_type
+        if(NOT _msvc_runtime_library MATCHES "<CONFIG:Debug>:Debug>")
+            if(_msvc_runtime_library MATCHES "Debug")
+                set(_compiler_runtime_type "Debug")
+            else()
+                set(_compiler_runtime_type "Release")
+            endif()
+            message(STATUS "CMake-Conan: CMake compiler.runtime_type=${_compiler_runtime_type}")
+        endif()
+
+        unset(_KNOWN_MSVC_RUNTIME_VALUES)
+
+    elseif(_compiler MATCHES AppleClang)
+        set(_compiler "apple-clang")
+        string(REPLACE "." ";" VERSION_LIST ${CMAKE_CXX_COMPILER_VERSION})
+        list(GET VERSION_LIST 0 _compiler_version)
+    elseif(_compiler MATCHES Clang)
+        set(_compiler "clang")
+        string(REPLACE "." ";" VERSION_LIST ${CMAKE_CXX_COMPILER_VERSION})
+        list(GET VERSION_LIST 0 _compiler_version)
+    elseif(_compiler MATCHES GNU)
+        set(_compiler "gcc")
+        string(REPLACE "." ";" VERSION_LIST ${CMAKE_CXX_COMPILER_VERSION})
+        list(GET VERSION_LIST 0 _compiler_version)
+    endif()
+
+    message(STATUS "CMake-Conan: [settings] compiler=${_compiler}")
+    message(STATUS "CMake-Conan: [settings] compiler.version=${_compiler_version}")
+    if (_compiler_runtime)
+        message(STATUS "CMake-Conan: [settings] compiler.runtime=${_compiler_runtime}")
+    endif()
+    if (_compiler_runtime_type)
+        message(STATUS "CMake-Conan: [settings] compiler.runtime_type=${_compiler_runtime_type}")
+    endif()
+
+    set(${compiler} ${_compiler} PARENT_SCOPE)
+    set(${compiler_version} ${_compiler_version} PARENT_SCOPE)
+    set(${compiler_runtime} ${_compiler_runtime} PARENT_SCOPE)
+    set(${compiler_runtime_type} ${_compiler_runtime_type} PARENT_SCOPE)
+endfunction()
+
+
+function(detect_build_type build_type)
+    get_property(multiconfig_generator GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+    if(NOT multiconfig_generator)
+        # Only set when we know we are in a single-configuration generator
+        # Note: we may want to fail early if `CMAKE_BUILD_TYPE` is not defined
+        set(${build_type} ${CMAKE_BUILD_TYPE} PARENT_SCOPE)
+    endif()
+endfunction()
+
+
+macro(set_conan_compiler_if_appleclang lang command output_variable)
+    if(CMAKE_${lang}_COMPILER_ID STREQUAL "AppleClang")
+        execute_process(COMMAND xcrun --find ${command}
+            OUTPUT_VARIABLE _xcrun_out OUTPUT_STRIP_TRAILING_WHITESPACE)
+        cmake_path(GET _xcrun_out PARENT_PATH _xcrun_toolchain_path)
+        cmake_path(GET CMAKE_${lang}_COMPILER PARENT_PATH _compiler_parent_path)
+        if ("${_xcrun_toolchain_path}" STREQUAL "${_compiler_parent_path}")
+            set(${output_variable} "")
+        endif()
+        unset(_xcrun_out)
+        unset(_xcrun_toolchain_path)
+        unset(_compiler_parent_path)
+    endif()
+endmacro()
+
+
+macro(append_compiler_executables_configuration)
+    set(_conan_c_compiler "")
+    set(_conan_cpp_compiler "")
+    set(_conan_rc_compiler "")
+    set(_conan_compilers_list "")
+    if(CMAKE_C_COMPILER)
+        set(_conan_c_compiler "\"c\":\"${CMAKE_C_COMPILER}\"")
+        set_conan_compiler_if_appleclang(C cc _conan_c_compiler)
+        list(APPEND _conan_compilers_list ${_conan_c_compiler})
+    else()
+        message(WARNING "CMake-Conan: The C compiler is not defined. "
+                        "Please define CMAKE_C_COMPILER or enable the C language.")
+    endif()
+    if(CMAKE_CXX_COMPILER)
+        set(_conan_cpp_compiler "\"cpp\":\"${CMAKE_CXX_COMPILER}\"")
+        set_conan_compiler_if_appleclang(CXX c++ _conan_cpp_compiler)
+        list(APPEND _conan_compilers_list ${_conan_cpp_compiler})
+    else()
+        message(WARNING "CMake-Conan: The C++ compiler is not defined. "
+                        "Please define CMAKE_CXX_COMPILER or enable the C++ language.")
+    endif()
+    if(CMAKE_RC_COMPILER)
+        set(_conan_rc_compiler "\"rc\":\"${CMAKE_RC_COMPILER}\"")
+        list(APPEND _conan_compilers_list ${_conan_rc_compiler})
+        # Not necessary to warn if RC not defined
+    endif()
+    if(NOT "x${_conan_compilers_list}" STREQUAL "x")
+        string(REPLACE ";" "," _conan_compilers_list "${_conan_compilers_list}")
+        string(APPEND profile "tools.build:compiler_executables={${_conan_compilers_list}}\n")
+    endif()
+    unset(_conan_c_compiler)
+    unset(_conan_cpp_compiler)
+    unset(_conan_rc_compiler)
+    unset(_conan_compilers_list)
+endmacro()
+
+
+function(detect_host_profile output_file)
+    detect_os(os os_api_level os_sdk os_subsystem os_version)
+    detect_arch(arch)
+    detect_compiler(compiler compiler_version compiler_runtime compiler_runtime_type)
+    detect_cxx_standard(compiler_cppstd)
+    detect_lib_cxx(compiler_libcxx)
+    detect_build_type(build_type)
+
+    set(profile "")
+    string(APPEND profile "[settings]\n")
+    if(arch)
+        string(APPEND profile arch=${arch} "\n")
+    endif()
+    if(os)
+        string(APPEND profile os=${os} "\n")
+    endif()
+    if(os_api_level)
+        string(APPEND profile os.api_level=${os_api_level} "\n")
+    endif()
+    if(os_version)
+        string(APPEND profile os.version=${os_version} "\n")
+    endif()
+    if(os_sdk)
+        string(APPEND profile os.sdk=${os_sdk} "\n")
+    endif()
+    if(os_subsystem)
+        string(APPEND profile os.subsystem=${os_subsystem} "\n")
+    endif()
+    if(compiler)
+        string(APPEND profile compiler=${compiler} "\n")
+    endif()
+    if(compiler_version)
+        string(APPEND profile compiler.version=${compiler_version} "\n")
+    endif()
+    if(compiler_runtime)
+        string(APPEND profile compiler.runtime=${compiler_runtime} "\n")
+    endif()
+    if(compiler_runtime_type)
+        string(APPEND profile compiler.runtime_type=${compiler_runtime_type} "\n")
+    endif()
+    if(compiler_cppstd)
+        string(APPEND profile compiler.cppstd=${compiler_cppstd} "\n")
+    endif()
+    if(compiler_libcxx)
+        string(APPEND profile compiler.libcxx=${compiler_libcxx} "\n")
+    endif()
+    if(build_type)
+        string(APPEND profile "build_type=${build_type}\n")
+    endif()
+
+    if(NOT DEFINED output_file)
+        set(file_name "${CMAKE_BINARY_DIR}/profile")
+    else()
+        set(file_name ${output_file})
+    endif()
+
+    string(APPEND profile "[conf]\n")
+    string(APPEND profile "tools.cmake.cmaketoolchain:generator=${CMAKE_GENERATOR}\n")
+
+    # propagate compilers via profile
+    append_compiler_executables_configuration()
+
+    if(os STREQUAL "Android")
+        string(APPEND profile "tools.android:ndk_path=${CMAKE_ANDROID_NDK}\n")
+    endif()
+
+    message(STATUS "CMake-Conan: Creating profile ${file_name}")
+    file(WRITE ${file_name} ${profile})
+    message(STATUS "CMake-Conan: Profile: \n${profile}")
+endfunction()
+
+
+function(conan_profile_detect_default)
+    message(STATUS "CMake-Conan: Checking if a default profile exists")
+    execute_process(COMMAND ${CONAN_COMMAND} profile path default
+                    RESULT_VARIABLE return_code
+                    OUTPUT_VARIABLE conan_stdout
+                    ERROR_VARIABLE conan_stderr
+                    ECHO_ERROR_VARIABLE    # show the text output regardless
+                    ECHO_OUTPUT_VARIABLE
+                    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+    if(NOT ${return_code} EQUAL "0")
+        message(STATUS "CMake-Conan: The default profile doesn't exist, detecting it.")
+        execute_process(COMMAND ${CONAN_COMMAND} profile detect
+            RESULT_VARIABLE return_code
+            OUTPUT_VARIABLE conan_stdout
+            ERROR_VARIABLE conan_stderr
+            ECHO_ERROR_VARIABLE    # show the text output regardless
+            ECHO_OUTPUT_VARIABLE
+            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+    endif()
+endfunction()
+
+
+function(conan_install)
+    cmake_parse_arguments(ARGS conan_args ${ARGN})
+    set(conan_output_folder ${CMAKE_BINARY_DIR}/conan)
+    # Invoke "conan install" with the provided arguments
+    set(conan_args ${conan_args} -of=${conan_output_folder})
+    message(STATUS "CMake-Conan: conan install ${CMAKE_SOURCE_DIR} ${conan_args} ${ARGN}")
+
+
+    # In case there was not a valid cmake executable in the PATH, we inject the
+    # same we used to invoke the provider to the PATH
+    if(DEFINED PATH_TO_CMAKE_BIN)
+        set(old_path $ENV{PATH})
+        set(ENV{PATH} "$ENV{PATH}:${PATH_TO_CMAKE_BIN}")
+    endif()
+
+    execute_process(COMMAND ${CONAN_COMMAND} install ${CMAKE_SOURCE_DIR} ${conan_args} ${ARGN} --format=json
+                    RESULT_VARIABLE return_code
+                    OUTPUT_VARIABLE conan_stdout
+                    ERROR_VARIABLE conan_stderr
+                    ECHO_ERROR_VARIABLE    # show the text output regardless
+                    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+
+    if(DEFINED PATH_TO_CMAKE_BIN)
+        set(ENV{PATH} "${old_path}")
+    endif()
+
+    if(NOT "${return_code}" STREQUAL "0")
+        message(FATAL_ERROR "Conan install failed='${return_code}'")
+    endif()
+
+    # the files are generated in a folder that depends on the layout used, if
+    # one is specified, but we don't know a priori where this is.
+    # TODO: this can be made more robust if Conan can provide this in the json output
+    string(JSON conan_generators_folder GET "${conan_stdout}" graph nodes 0 generators_folder)
+    cmake_path(CONVERT ${conan_generators_folder} TO_CMAKE_PATH_LIST conan_generators_folder)
+
+    message(STATUS "CMake-Conan: CONAN_GENERATORS_FOLDER=${conan_generators_folder}")
+    set_property(GLOBAL PROPERTY CONAN_GENERATORS_FOLDER "${conan_generators_folder}")
+    # reconfigure on conanfile changes
+    string(JSON conanfile GET "${conan_stdout}" graph nodes 0 label)
+    message(STATUS "CMake-Conan: CONANFILE=${CMAKE_SOURCE_DIR}/${conanfile}")
+    set_property(DIRECTORY ${CMAKE_SOURCE_DIR} APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${CMAKE_SOURCE_DIR}/${conanfile}")
+    # success
+    set_property(GLOBAL PROPERTY CONAN_INSTALL_SUCCESS TRUE)
+
+endfunction()
+
+
+function(conan_get_version conan_command conan_current_version)
+    execute_process(
+        COMMAND ${conan_command} --version
+        OUTPUT_VARIABLE conan_output
+        RESULT_VARIABLE conan_result
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if(conan_result)
+        message(FATAL_ERROR "CMake-Conan: Error when trying to run Conan")
+    endif()
+
+    string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" conan_version ${conan_output})
+    set(${conan_current_version} ${conan_version} PARENT_SCOPE)
+endfunction()
+
+
+function(conan_version_check)
+    set(options )
+    set(one_value_args MINIMUM CURRENT)
+    set(multi_value_args )
+    cmake_parse_arguments(conan_version_check
+        "${options}" "${one_value_args}" "${multi_value_args}" ${ARGN})
+
+    if(NOT conan_version_check_MINIMUM)
+        message(FATAL_ERROR "CMake-Conan: Required parameter MINIMUM not set!")
+    endif()
+        if(NOT conan_version_check_CURRENT)
+        message(FATAL_ERROR "CMake-Conan: Required parameter CURRENT not set!")
+    endif()
+
+    if(conan_version_check_CURRENT VERSION_LESS conan_version_check_MINIMUM)
+        message(FATAL_ERROR "CMake-Conan: Conan version must be ${conan_version_check_MINIMUM} or later")
+    endif()
+endfunction()
+
+
+macro(construct_profile_argument argument_variable profile_list)
+    set(${argument_variable} "")
+    if("${profile_list}" STREQUAL "CONAN_HOST_PROFILE")
+        set(_arg_flag "--profile:host=")
+    elseif("${profile_list}" STREQUAL "CONAN_BUILD_PROFILE")
+        set(_arg_flag "--profile:build=")
+    endif()
+
+    set(_profile_list "${${profile_list}}")
+    list(TRANSFORM _profile_list REPLACE "auto-cmake" "${CMAKE_BINARY_DIR}/conan_host_profile")
+    list(TRANSFORM _profile_list PREPEND ${_arg_flag})
+    set(${argument_variable} ${_profile_list})
+
+    unset(_arg_flag)
+    unset(_profile_list)
+endmacro()
+
+
+macro(conan_provide_dependency method package_name)
+    set_property(GLOBAL PROPERTY CONAN_PROVIDE_DEPENDENCY_INVOKED TRUE)
+    get_property(_conan_install_success GLOBAL PROPERTY CONAN_INSTALL_SUCCESS)
+    if(NOT _conan_install_success)
+        find_program(CONAN_COMMAND "conan" REQUIRED)
+        conan_get_version(${CONAN_COMMAND} CONAN_CURRENT_VERSION)
+        conan_version_check(MINIMUM ${CONAN_MINIMUM_VERSION} CURRENT ${CONAN_CURRENT_VERSION})
+        message(STATUS "CMake-Conan: first find_package() found. Installing dependencies with Conan")
+        if("default" IN_LIST CONAN_HOST_PROFILE OR "default" IN_LIST CONAN_BUILD_PROFILE)
+            conan_profile_detect_default()
+        endif()
+        if("auto-cmake" IN_LIST CONAN_HOST_PROFILE)
+            detect_host_profile(${CMAKE_BINARY_DIR}/conan_host_profile)
+        endif()
+        construct_profile_argument(_host_profile_flags CONAN_HOST_PROFILE)
+        construct_profile_argument(_build_profile_flags CONAN_BUILD_PROFILE)
+        if(EXISTS "${CMAKE_SOURCE_DIR}/conanfile.py")
+            file(READ "${CMAKE_SOURCE_DIR}/conanfile.py" outfile)
+            if(NOT "${outfile}" MATCHES ".*CMakeDeps.*")
+                message(WARNING "Cmake-conan: CMakeDeps generator was not defined in the conanfile")
+            endif()
+            set(generator "")
+        elseif (EXISTS "${CMAKE_SOURCE_DIR}/conanfile.txt")
+            file(READ "${CMAKE_SOURCE_DIR}/conanfile.txt" outfile)
+            if(NOT "${outfile}" MATCHES ".*CMakeDeps.*")
+                message(WARNING "Cmake-conan: CMakeDeps generator was not defined in the conanfile. "
+                        "Please define the generator as it will be mandatory in the future")
+            endif()
+            set(generator "-g;CMakeDeps")
+        endif()
+        get_property(_multiconfig_generator GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+        if(NOT _multiconfig_generator)
+            message(STATUS "CMake-Conan: Installing single configuration ${CMAKE_BUILD_TYPE}")
+            conan_install(${_host_profile_flags} ${_build_profile_flags} ${CONAN_INSTALL_ARGS} ${generator})
+        else()
+            message(STATUS "CMake-Conan: Installing both Debug and Release")
+            conan_install(${_host_profile_flags} ${_build_profile_flags} -s build_type=Release ${CONAN_INSTALL_ARGS} ${generator})
+            conan_install(${_host_profile_flags} ${_build_profile_flags} -s build_type=Debug ${CONAN_INSTALL_ARGS} ${generator})
+        endif()
+        unset(_host_profile_flags)
+        unset(_build_profile_flags)
+        unset(_multiconfig_generator)
+        unset(_conan_install_success)
+    else()
+        message(STATUS "CMake-Conan: find_package(${ARGV1}) found, 'conan install' already ran")
+        unset(_conan_install_success)
+    endif()
+
+    get_property(_conan_generators_folder GLOBAL PROPERTY CONAN_GENERATORS_FOLDER)
+
+    # Ensure that we consider Conan-provided packages ahead of any other,
+    # irrespective of other settings that modify the search order or search paths
+    # This follows the guidelines from the find_package documentation
+    #  (https://cmake.org/cmake/help/latest/command/find_package.html):
+    #       find_package (<PackageName> PATHS paths... NO_DEFAULT_PATH)
+    #       find_package (<PackageName>)
+
+    # Filter out `REQUIRED` from the argument list, as the first call may fail
+    set(_find_args_${package_name} "${ARGN}")
+    list(REMOVE_ITEM _find_args_${package_name} "REQUIRED")
+    if(NOT "MODULE" IN_LIST _find_args_${package_name})
+        find_package(${package_name} ${_find_args_${package_name}} BYPASS_PROVIDER PATHS "${_conan_generators_folder}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
+        unset(_find_args_${package_name})
+    endif()
+
+    # Invoke find_package a second time - if the first call succeeded,
+    # this will simply reuse the result. If not, fall back to CMake default search
+    # behaviour, also allowing modules to be searched.
+    if(NOT ${package_name}_FOUND)
+        list(FIND CMAKE_MODULE_PATH "${_conan_generators_folder}" _index)
+        if(_index EQUAL -1)
+            list(PREPEND CMAKE_MODULE_PATH "${_conan_generators_folder}")
+        endif()
+        unset(_index)
+        find_package(${package_name} ${ARGN} BYPASS_PROVIDER)
+        list(REMOVE_ITEM CMAKE_MODULE_PATH "${_conan_generators_folder}")
+    endif()
+endmacro()
+
+
+cmake_language(
+    SET_DEPENDENCY_PROVIDER conan_provide_dependency
+    SUPPORTED_METHODS FIND_PACKAGE
+)
+
+
+macro(conan_provide_dependency_check)
+    set(_conan_provide_dependency_invoked FALSE)
+    get_property(_conan_provide_dependency_invoked GLOBAL PROPERTY CONAN_PROVIDE_DEPENDENCY_INVOKED)
+    if(NOT _conan_provide_dependency_invoked)
+        message(WARNING "Conan is correctly configured as dependency provider, "
+                        "but Conan has not been invoked. Please add at least one "
+                        "call to `find_package()`.")
+        if(DEFINED CONAN_COMMAND)
+            # supress warning in case `CONAN_COMMAND` was specified but unused.
+            set(_conan_command ${CONAN_COMMAND})
+            unset(_conan_command)
+        endif()
+    endif()
+    unset(_conan_provide_dependency_invoked)
+endmacro()
+
+
+# Add a deferred call at the end of processing the top-level directory
+# to check if the dependency provider was invoked at all.
+cmake_language(DEFER DIRECTORY "${CMAKE_SOURCE_DIR}" CALL conan_provide_dependency_check)
+
+# Configurable variables for Conan profiles
+set(CONAN_HOST_PROFILE "default;auto-cmake" CACHE STRING "Conan host profile")
+set(CONAN_BUILD_PROFILE "default" CACHE STRING "Conan build profile")
+set(CONAN_INSTALL_ARGS "--build=missing" CACHE STRING "Command line arguments for conan install")
+
+find_program(_cmake_program NAMES cmake NO_PACKAGE_ROOT_PATH NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH NO_CMAKE_FIND_ROOT_PATH)
+if(NOT _cmake_program)
+    get_filename_component(PATH_TO_CMAKE_BIN "${CMAKE_COMMAND}" DIRECTORY)
+    set(PATH_TO_CMAKE_BIN "${PATH_TO_CMAKE_BIN}" CACHE INTERNAL "Path where the CMake executable is")
+endif()
+
+cmake_policy(POP)

conanfile.txt

@@ -1,5 +1,5 @@
 [requires]
-catch2/3.5.1
+catch2/3.7.1
 
 [generators]
 CMakeDeps