.ci/unix-test.sh

@@ -1,6 +1,5 @@
 #!/bin/sh
 cd build
-echo "Tests run as user: $USER"
 ctest -E Windows
 if [ -f "test/std_filesystem_test" ]; then
   test/std_filesystem_test || true

.cirrus.yml

@@ -1,6 +1,6 @@
 freebsd_task:
   freebsd_instance:
-    image_family: freebsd-14-3
+    image_family: freebsd-12-1
   install_script: |
     pkg install -y cmake
     pw groupadd testgrp
@@ -11,24 +11,25 @@ freebsd_task:
   test_script: |
     sudo -u testuser .ci/unix-test.sh
 
-rockylinux8_task:
+centos7_task:
   container:
-    image: docker.io/rockylinux:8
+    image: centos:7
   install_script: |
-    dnf group install -y "Development Tools"
-    dnf install cmake -y
+    yum install -y centos-release-scl
+    yum install -y devtoolset-9
+    curl -L https://github.com/Kitware/CMake/releases/download/v3.16.4/cmake-3.16.4-Linux-x86_64.tar.gz | tar xzvf - -C /usr/local --strip-components 1
   build_script: |
-    .ci/unix-build.sh
+    source /opt/rh/devtoolset-9/enable && PATH=$PATH:/usr/local/bin .ci/unix-build.sh
   test_script: |
-    .ci/unix-test.sh
+    PATH=$PATH:/usr/local/bin .ci/unix-test.sh
 
-rockylinux9_task:
+centos8_task:
   container:
-    image: docker.io/rockylinux:9
+    image: centos:8
   install_script: |
-    dnf group install -y "Development Tools"
-    dnf install cmake -y
+    yum group install -y "Development Tools"
+    curl -L https://github.com/Kitware/CMake/releases/download/v3.16.4/cmake-3.16.4-Linux-x86_64.tar.gz | tar xzvf - -C /usr/local --strip-components 1
   build_script: |
-    .ci/unix-build.sh
+    PATH=$PATH:/usr/local/bin .ci/unix-build.sh
   test_script: |
-    .ci/unix-test.sh
+    PATH=$PATH:/usr/local/bin .ci/unix-test.sh

.clang-tidy

@@ -1,3 +0,0 @@
----
-Checks: -modernize-use-nodiscard
-...

.github/workflows/build_cmake.yml

@@ -1,251 +0,0 @@
-name: CMake Build Matrix
-
-on: [ push, pull_request ]
-
-jobs:
-  # Modern compilers on native runners (same as before, just updated)
-  build:
-    name: ${{ matrix.config.name }}
-    runs-on: ${{ matrix.config.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - name: "Ubuntu 24.04 GCC 13"
-            os: ubuntu-24.04
-            build_type: Release
-            packages: ninja-build
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: gcc-13
-            cxx: g++-13
-
-          - name: "Ubuntu 24.04 Clang 18"
-            os: ubuntu-24.04
-            build_type: Release
-            packages: ninja-build clang-18 libc++-18-dev libc++abi-18-dev
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: clang-18
-            cxx: clang++-18
-
-          - name: "Ubuntu 22.04 GCC 12"
-            os: ubuntu-22.04
-            build_type: Release
-            packages: ninja-build gcc-12 g++-12
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: gcc-12
-            cxx: g++-12
-
-          - name: "Ubuntu 22.04 Clang 15"
-            os: ubuntu-22.04
-            build_type: Release
-            packages: ninja-build clang-15 libc++-15-dev libc++abi-15-dev
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: clang-15
-            cxx: clang++-15
-
-          - name: "Ubuntu 22.04 GCC 11 coverage"
-            os: ubuntu-22.04
-            build_type: Debug
-            packages: ninja-build lcov
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: gcc-11
-            cxx: g++-11
-
-          - name: "Windows MSVC 2019"
-            os: windows-2019
-            build_type: Release
-            packages: ninja
-            generator: "Visual Studio 16 2019"
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: cl
-            cxx: cl
-
-          - name: "Windows MSVC 2022"
-            os: windows-2022
-            build_type: Release
-            packages: ninja
-            generator: "Visual Studio 17 2022"
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: cl
-            cxx: cl
-
-          # FIXED: Replace macos-13 with macos-14 (Apple Silicon)
-          - name: "macOS 14 AppleClang (ARM)"
-            os: macos-14
-            build_type: Release
-            packages: ninja
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: clang
-            cxx: clang++
-
-          # ADDED: macOS 15 for latest testing
-          - name: "macOS 15 AppleClang (ARM)"
-            os: macos-15
-            build_type: Release
-            packages: ninja
-            generator: Ninja
-            compatibility: "cxx_std_11;cxx_std_17;cxx_std_20"
-            cc: clang
-            cxx: clang++
-
-    steps:
-      - uses: actions/checkout@v4  # UPDATED from v2
-
-      - name: print environment
-        run: |
-          echo github.event.action: ${{ github.event.action }}
-          echo github.event_name: ${{ github.event_name }}
-
-      - name: Install dependencies on Ubuntu
-        if: startsWith(matrix.config.os, 'ubuntu')
-        shell: bash
-        run: |
-          sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
-          sudo apt update
-          sudo apt install ${{ matrix.config.packages }}
-
-      - name: Install dependencies on windows
-        if: startsWith(matrix.config.os, 'windows')
-        run: |
-          choco install ${{ matrix.config.packages }}
-
-      - name: Install dependencies on macOS
-        if: startsWith(matrix.config.os, 'macos')
-        run: |
-          brew install ${{ matrix.config.packages }}
-
-      - name: Configure project
-        shell: bash
-        run: |
-          export CC=${{ matrix.config.cc }}
-          export CXX=${{ matrix.config.cxx }}
-          ninja --version
-          cmake --version
-          mkdir build
-          mkdir install
-          if [[ "${{ matrix.config.build_type }}" == "Debug" ]]; then
-            cmake -G "${{ matrix.config.generator }}" -S . -B build -DCMAKE_BUILD_TYPE=Debug -DGHC_COVERAGE=ON -DGHC_FILESYSTEM_TEST_COMPILE_FEATURES="${{ matrix.config.compatibility }}" -DCMAKE_INSTALL_PREFIX:PATH=install
-          else
-            cmake -G "${{ matrix.config.generator }}" -S . -B build -DCMAKE_BUILD_TYPE=${{ matrix.config.build_type }} -DGHC_FILESYSTEM_TEST_COMPILE_FEATURES="${{ matrix.config.compatibility }}" -DCMAKE_INSTALL_PREFIX:PATH=install
-          fi
-
-      - name: Build project
-        shell: bash
-        run: |
-          cmake --build build --config ${{ matrix.config.build_type }}
-
-      - name: Run tests
-        run: |
-          cd build && ctest -C ${{ matrix.config.build_type }} --output-on-failure
-
-      - name: Collect coverage info
-        if: startsWith(matrix.config.build_type, 'Debug')
-        run: |
-          cd build
-          lcov --compat-libtool --directory . --capture --output-file coverage_output.info
-          lcov --remove coverage_output.info '/usr/*' '*/c++/*' '*.h' '*/catch.hpp' -o coverage.info
-
-      - name: Upload coverage info
-        if: startsWith(matrix.config.build_type, 'Debug')
-        uses: coverallsapp/github-action@v2  # UPDATED
-        with:
-          path-to-lcov: ${{ github.workspace }}/build/coverage.info
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-
-  # Legacy compilers via Docker
-  # Tests with officially supported minimum versions (GCC 5.5+, Clang 6+)
-  legacy-compilers:
-    name: "Docker ${{ matrix.compiler }} ${{ matrix.version }}"
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          # GCC 5.5 is minimum supported version
-          - compiler: gcc
-            version: 5
-            checkout_version: v1  # Old containers need v1 (no Node.js dependency)
-          - compiler: gcc
-            version: 6
-            checkout_version: v1
-          - compiler: gcc
-            version: 7
-            checkout_version: v4
-          - compiler: gcc
-            version: 8
-            checkout_version: v4
-          # Clang 6 is minimum supported version
-          - compiler: clang
-            version: 6
-            checkout_version: v4
-          - compiler: clang
-            version: 7
-            checkout_version: v4
-          - compiler: clang
-            version: 8
-            checkout_version: v4
-          - compiler: clang
-            version: 9
-            checkout_version: v4
-
-    container:
-      image: ${{ matrix.compiler == 'gcc' && format('gcc:{0}', matrix.version) || format('silkeh/clang:{0}', matrix.version) }}
-
-    steps:
-      # Use older checkout for GCC 5-6 (ancient glibc doesn't support Node 20)
-      - name: Checkout code (v1 for old glibc)
-        if: matrix.checkout_version == 'v1'
-        uses: actions/checkout@v1
-
-      - name: Checkout code (v4 for modern containers)
-        if: matrix.checkout_version == 'v4'
-        uses: actions/checkout@v4
-
-      # Fix Debian Jessie EOL repository issues (GCC 5-6 only)
-      - name: Fix Debian repositories for Jessie (GCC 5-6)
-        if: matrix.compiler == 'gcc' && (matrix.version == 5 || matrix.version == 6)
-        run: |
-          # Debian Jessie reached EOL, repositories moved to archive
-          sed -i 's/deb.debian.org/archive.debian.org/g' /etc/apt/sources.list
-          sed -i 's|http://security.debian.org/debian-security|http://archive.debian.org/debian-security|g' /etc/apt/sources.list
-          sed -i '/jessie-updates/d' /etc/apt/sources.list
-
-      # Fix Debian Buster EOL repository issues (GCC 7-8, Clang 7-9)
-      - name: Fix Debian repositories for Buster (GCC 7-8, Clang 7-9)
-        if: (matrix.compiler == 'gcc' && (matrix.version == 7 || matrix.version == 8)) || (matrix.compiler == 'clang' && (matrix.version == 7 || matrix.version == 8 || matrix.version == 9))
-        run: |
-          # Debian Buster reached EOL, repositories moved to archive
-          sed -i 's/deb.debian.org/archive.debian.org/g' /etc/apt/sources.list
-          sed -i 's|http://security.debian.org/debian-security|http://archive.debian.org/debian-security|g' /etc/apt/sources.list
-          sed -i '/stretch-updates/d' /etc/apt/sources.list
-          sed -i '/buster-updates/d' /etc/apt/sources.list
-
-      - name: Install CMake and Ninja
-        run: |
-          apt-get update
-          # GCC 5-6 need --allow-unauthenticated due to expired Jessie GPG keys
-          if [ "${{ matrix.compiler }}" = "gcc" ] && [ "${{ matrix.version }}" = "5" -o "${{ matrix.version }}" = "6" ]; then
-            apt-get install -y --allow-unauthenticated ninja-build wget ca-certificates
-            # Debian Jessie has CMake 3.0.2, but project needs 3.7.2+
-            # Download CMake 3.16.9 (supports -S/-B flags, works with old glibc)
-            wget -qO- "https://cmake.org/files/v3.16/cmake-3.16.9-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local
-          else
-            apt-get install -y cmake ninja-build
-          fi
-
-      - name: Configure
-        run: |
-          # Now all versions have CMake 3.10+, so we can use -S/-B flags
-          cmake -G Ninja -S . -B build -DCMAKE_BUILD_TYPE=Release
-
-      - name: Build
-        run: cmake --build build
-
-      - name: Test
-        run: cd build && ctest --output-on-failure

.travis.yml

@@ -0,0 +1,100 @@
+language: cpp
+
+dist: xenial # default distribution
+os: linux # default os
+sudo: false
+
+
+matrix:
+  fast_finish: true
+  include:
+    - env: MATRIX_EVAL="CC=gcc-5 && CXX=g++-5 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["g++-5"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: MATRIX_EVAL="CC=gcc-6 && CXX=g++-6 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["g++-6"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: MATRIX_EVAL="CC=gcc-7 && CXX=g++-7 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["g++-7"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: MATRIX_EVAL="CC=gcc-7 && CXX=g++-7 && GENERATOR='Unix Makefiles' && CONFIG=Debug && GHC_COVERAGE=1"
+      addons: { apt: { packages: ["g++-7", "lcov"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: MATRIX_EVAL="CC=gcc-8 && CXX=g++-8 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["g++-8"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: MATRIX_EVAL="CC=gcc-9 && CXX=g++-9 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["g++-9"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["clang-5.0"] } }
+
+    - env: MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["clang-6.0"] } }
+
+    - env: MATRIX_EVAL="CC=clang-7 && CXX=clang++-7 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["clang-7", "libc++-7-dev", "libc++abi-7-dev"], sources: ["llvm-toolchain-xenial-7"] } }
+
+    - env: MATRIX_EVAL="CC=clang-8 && CXX=clang++-8 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["clang-8", "libc++-8-dev", "libc++abi-8-dev"], sources: ["llvm-toolchain-xenial-8"] } }
+
+    - env: MATRIX_EVAL="CC=clang-9 && CXX=clang++-9 && GENERATOR='Unix Makefiles' && CONFIG=Release"
+      addons: { apt: { packages: ["clang-9", "libc++-9-dev", "libc++abi-9-dev"], sources: [{sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main', key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'}] } }
+
+    - os: osx
+      env: MATRIX_EVAL="CC=clang && CXX=clang++ && GENERATOR=Xcode && CONFIG=Release"
+      osx_image: xcode9.2
+
+    - os: osx
+      env: MATRIX_EVAL="CC=clang && CXX=clang++ && GENERATOR=Xcode && CONFIG=Release"
+      osx_image: xcode10.1
+
+    - os: osx
+      env: MATRIX_EVAL="CC=clang && CXX=clang++ && GENERATOR=Xcode && CONFIG=Release"
+      osx_image: xcode11.3
+
+install:
+  - eval "${MATRIX_EVAL}"
+  - |
+    if [ "${GHC_COVERAGE}" = "1" ]; then
+      gem install coveralls-lcov
+    fi
+  - $CC --version
+  - $CXX --version
+  - cmake --version
+
+before_script:
+  - eval "${MATRIX_EVAL}"
+  - mkdir build
+  - cd build
+  - export VERBOSE=1
+  - |
+    if [ "${CONFIG}" = "Debug" ]; then
+      cmake -G"${GENERATOR}" -DCMAKE_CXX_COMPILER=${CXX} -DCMAKE_C_COMPILER=${CC} -DCMAKE_BUILD_TYPE=${CONFIG} -DGHC_COVERAGE=ON ..
+    else
+      cmake -G"${GENERATOR}" -DCMAKE_CXX_COMPILER=${CXX} -DCMAKE_C_COMPILER=${CC} -DCMAKE_BUILD_TYPE=${CONFIG} ..
+    fi
+
+script:
+  - export VERBOSE=1
+  - cmake --build . --config ${CONFIG} --target filesystem_test
+  - |
+    if [ "${GHC_COVERAGE}" = "1" ]; then
+      cmake --build . --config ${CONFIG} --target filesystem_test
+      test/filesystem_test
+    else
+      cmake --build . --config ${CONFIG}
+      ctest -C ${CONFIG} -E Windows
+      if [ -f "test/std_filesystem_test" ]; then
+        test/std_filesystem_test || true
+      fi
+    fi
+
+after_success:
+  - |
+    if [ "${GHC_COVERAGE}" = "1" ]; then
+      lcov --compat-libtool --directory . --capture --output-file coverage_output.info
+      lcov --remove coverage_output.info '/usr/*' '*/c++/*' '*.h' '*/catch.hpp' -o coverage.info
+      sed -i 's|SF:/.*/filesystem/|SF:../|g' coverage.info
+      coveralls-lcov coverage.info
+    fi

CMakeLists.txt

@@ -1,55 +1,36 @@
 cmake_minimum_required(VERSION 3.7.2)
-project(
-   ghcfilesystem,
-   VERSION 1.5.15
-)
+project(ghcfilesystem)
 
-if (POLICY CMP0077)
-    cmake_policy(SET CMP0077 NEW)
-endif()
-if(POLICY CMP0110)
-    cmake_policy(SET CMP0110 NEW)
-endif()
+include(CMakeDependentOption)
 
-if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
-    option(GHC_FILESYSTEM_BUILD_TESTING "Enable tests" ON)
-    option(GHC_FILESYSTEM_BUILD_EXAMPLES "Build examples" ON)
-    option(GHC_FILESYSTEM_WITH_INSTALL "With install target" ON)
-else()
-    option(GHC_FILESYSTEM_BUILD_EXAMPLES "Build examples" OFF)
-    option(GHC_FILESYSTEM_BUILD_TESTING "Enable tests" OFF)
-    option(GHC_FILESYSTEM_WITH_INSTALL "With install target" OFF)
-endif()
-option(GHC_FILESYSTEM_BUILD_STD_TESTING "Enable STD tests" ${GHC_FILESYSTEM_BUILD_TESTING})
-if(NOT DEFINED GHC_FILESYSTEM_TEST_COMPILE_FEATURES)
-    set(GHC_FILESYSTEM_TEST_COMPILE_FEATURES ${CMAKE_CXX_COMPILE_FEATURES})
-endif()
+cmake_dependent_option(GHC_FILESYSTEM_BUILD_TESTING
+    "Enable tests" ON
+    "CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
+cmake_dependent_option(GHC_FILESYSTEM_BUILD_EXAMPLES
+    "Build examples" ON
+    "CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
+cmake_dependent_option(GHC_FILESYSTEM_WITH_INSTALL
+    "With install target" ON
+    "CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
 
 if(NOT DEFINED CMAKE_CXX_STANDARD)
     set(CMAKE_CXX_STANDARD 11)
     set(CMAKE_CXX_STANDARD_REQUIRED ON)
-    if(NOT CYGWIN)
-        set(CMAKE_CXX_EXTENSIONS OFF)
-    endif()
+    set(CMAKE_CXX_EXTENSIONS OFF)
 endif()
 if(CMAKE_CXX_STANDARD LESS 11)
     message(FATAL_ERROR "CMAKE_CXX_STANDARD is less than 11, ghc::filesystem only works with C++11 and above.")
 endif()
-if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
-    message(STATUS "System name: ${CMAKE_SYSTEM_NAME}")
-    message(STATUS "Compiler ID: ${CMAKE_CXX_COMPILER_ID}")
-    message(STATUS "CMAKE_CXX_COMPILE_FEATURES: ${CMAKE_CXX_COMPILE_FEATURES}")
-endif()
 
 add_library(ghc_filesystem INTERFACE)
-add_library(ghcFilesystem::ghc_filesystem ALIAS ghc_filesystem)
 target_include_directories(ghc_filesystem INTERFACE
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
     $<INSTALL_INTERFACE:include>)
 target_compile_options(ghc_filesystem INTERFACE "$<$<C_COMPILER_ID:MSVC>:/utf-8>")
 target_compile_options(ghc_filesystem INTERFACE "$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
 
-if(GHC_FILESYSTEM_BUILD_TESTING OR GHC_FILESYSTEM_BUILD_EXAMPLES)
+get_directory_property(hasParent PARENT_DIRECTORY)
+if(NOT hasParent)
     set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
     set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
     include(GhcHelper)
@@ -67,24 +48,9 @@ endif()
 if(GHC_FILESYSTEM_WITH_INSTALL)
     include(CMakePackageConfigHelpers)
     include(GNUInstallDirs)
+
     install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-    install(TARGETS ghc_filesystem EXPORT ghc_filesystem-targets)
-    install(EXPORT ghc_filesystem-targets NAMESPACE ghcFilesystem:: DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/ghc_filesystem")
-    export(EXPORT ghc_filesystem-targets NAMESPACE ghcFilesystem:: FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/ghc_filesystem-targets.cmake")
-    configure_package_config_file(
-        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.cmake.in"
-        "${PROJECT_BINARY_DIR}/cmake/ghc_filesystem-config.cmake"
-        INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/ghc_filesystem"
-        PATH_VARS CMAKE_INSTALL_INCLUDEDIR)
-    write_basic_package_version_file(
-        "${PROJECT_BINARY_DIR}/cmake/ghc_filesystem-config-version.cmake"
-        VERSION ${PROJECT_VERSION}
-        COMPATIBILITY SameMinorVersion
-    )
-    install(
-        FILES
-            "${PROJECT_BINARY_DIR}/cmake/ghc_filesystem-config.cmake"
-            "${PROJECT_BINARY_DIR}/cmake/ghc_filesystem-config-version.cmake"
-        DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/ghc_filesystem"
-    )
+    install(TARGETS ghc_filesystem EXPORT ghcFilesystemConfig)
+    install(EXPORT ghcFilesystemConfig NAMESPACE ghcFilesystem:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/ghcFilesystem)
 endif()
+

cmake/GhcHelper.cmake

@@ -1,5 +1,6 @@
 macro(AddExecutableWithStdFS targetName)
-if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND (CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 7.0 OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0))
+
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND (CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 7.0 OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0))
     if(APPLE)
         include_directories(/usr/local/opt/llvm/include)
         link_directories(/usr/local/opt/llvm/lib)
@@ -11,7 +12,7 @@ if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND (CMAKE_CXX_COMPILER_VERSION V
             target_link_libraries(${targetName} -lc++fs)
         else()
             target_compile_options(${targetName} PRIVATE "-stdlib=libc++")
-            target_link_libraries(${targetName} -stdlib=libc++ -lc++fs $<$<PLATFORM_ID:Linux>:rt>)
+            target_link_libraries(${targetName} -stdlib=libc++ -lc++fs)
         endif()
     else()
         if(NOT APPLE)
@@ -19,12 +20,6 @@ if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND (CMAKE_CXX_COMPILER_VERSION V
             target_link_libraries(${targetName} -stdlib=libc++)
         endif()
     endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
-        target_link_libraries(filesystem_test xnet)
-    endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
-        target_link_libraries(filesystem_test network)
-    endif()
     target_compile_definitions(${targetName} PRIVATE USE_STD_FS)
 endif()
 
@@ -34,13 +29,6 @@ if (CMAKE_COMPILER_IS_GNUCXX AND (CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 8.0 O
     if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
         target_link_libraries(${targetName} -lstdc++fs)
     endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
-        target_link_libraries(${targetName} xnet)
-    endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
-        target_link_libraries(${targetName} network)
-    endif()
-    target_compile_options(${targetName} PRIVATE $<$<BOOL:${CYGWIN}>:-Wa,-mbig-obj>)
     target_compile_definitions(${targetName} PRIVATE USE_STD_FS)
 endif()
 
@@ -53,29 +41,3 @@ if(CMAKE_CXX_COMPILER_ID MATCHES MSVC AND (CMAKE_CXX_COMPILER_VERSION VERSION_EQ
 endif()
 
 endmacro()
-
-macro(AddTestExecutableWithStdCpp cppStd)
-    add_executable(filesystem_test_cpp${cppStd} ${ARGN})
-    set_property(TARGET filesystem_test_cpp${cppStd} PROPERTY CXX_STANDARD ${cppStd})
-    target_link_libraries(filesystem_test_cpp${cppStd} ghc_filesystem)
-    if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
-        target_link_libraries(filesystem_test_cpp${cppStd} xnet)
-    endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
-        target_link_libraries(filesystem_test_cpp${cppStd} network)
-    endif()
-    target_compile_options(filesystem_test_cpp${cppStd} PRIVATE
-            $<$<BOOL:${EMSCRIPTEN}>:-s DISABLE_EXCEPTION_CATCHING=0>
-            $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wpedantic -Werror -Wno-error=deprecated-declarations>
-            $<$<CXX_COMPILER_ID:GNU>:-Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wpedantic -Wno-psabi -Werror -Wno-error=deprecated-declarations>
-            $<$<CXX_COMPILER_ID:MSVC>:/WX /wd4996>
-            $<$<BOOL:${CYGWIN}>:-Wa,-mbig-obj>
-            $<$<BOOL:${GHC_COVERAGE}>:--coverage>)
-    if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-        target_compile_definitions(filesystem_test_cpp${cppStd} PRIVATE _CRT_SECURE_NO_WARNINGS)
-    endif()
-    if(EMSCRIPTEN)
-        set_target_properties(filesystem_test_cpp${cppStd} PROPERTIES LINK_FLAGS "-g4 -s DISABLE_EXCEPTION_CATCHING=0 -s ALLOW_MEMORY_GROWTH=1")
-    endif()
-    ParseAndAddCatchTests(filesystem_test_cpp${cppStd})
-endmacro()

cmake/config.cmake.in

@@ -1,6 +1,5 @@
 @PACKAGE_INIT@
 
-# import targets
-include("${CMAKE_CURRENT_LIST_DIR}/ghc_filesystem-targets.cmake")
+set_and_check(ghcfilesystem_INCLUDE_DIRS "@PACKAGE_INCLUDE_INSTALL_DIR@")
 
-check_required_components(ghcfilesystem)
+check_required_components(ghcfilesystem)

examples/CMakeLists.txt

@@ -10,8 +10,3 @@ add_executable(fs_du du.cpp)
 target_link_libraries(fs_du ghc_filesystem)
 AddExecutableWithStdFS(std_fs_du du.cpp)
 
-if(EXISTS "${PROJECT_SOURCE_DIR}/examples/benchmark.cpp")
-    add_executable(fs_benchmark benchmark.cpp)
-    set_property(TARGET fs_benchmark PROPERTY CXX_STANDARD 17)
-    target_link_libraries(fs_benchmark ghc_filesystem)
-endif()

include/ghc/fs_fwd.hpp

@@ -25,7 +25,7 @@
 // SOFTWARE.
 //
 //---------------------------------------------------------------------------------------
-// fs_fwd.hpp - The forwarding header for the header/implementation separated usage of
+// fs_fwd.hpp - The forwarding header for the header/implementation seperated usage of
 //              ghc::filesystem.
 // This file can be include at any place, where ghc::filesystem api is needed while
 // not bleeding implementation details (e.g. system includes) into the global namespace,
@@ -34,5 +34,5 @@
 #ifndef GHC_FILESYSTEM_FWD_H
 #define GHC_FILESYSTEM_FWD_H
 #define GHC_FILESYSTEM_FWD
-#include "filesystem.hpp"
+#include <ghc/filesystem.hpp>
 #endif // GHC_FILESYSTEM_FWD_H

include/ghc/fs_impl.hpp

@@ -25,11 +25,11 @@
 // SOFTWARE.
 //
 //---------------------------------------------------------------------------------------
-// fs_impl.hpp - The implementation header for the header/implementation separated usage of
+// fs_impl.hpp - The implementation header for the header/implementation seperated usage of
 //               ghc::filesystem.
 // This file can be used to hide the implementation of ghc::filesystem into a single cpp.
 // The cpp has to include this before including fs_fwd.hpp directly or via a different
 // header to work.
 //---------------------------------------------------------------------------------------
 #define GHC_FILESYSTEM_IMPLEMENTATION
-#include "filesystem.hpp"
+#include <ghc/filesystem.hpp>

include/ghc/fs_std.hpp

@@ -30,48 +30,27 @@
 //              namespace fs.
 //---------------------------------------------------------------------------------------
 #ifndef GHC_FILESYSTEM_STD_H
-#define GHC_FILESYSTEM_STD_H
-
-#if defined(_MSVC_LANG) && _MSVC_LANG >= 201703L || __cplusplus >= 201703L && defined(__has_include)
-    // ^ Supports MSVC prior to 15.7 without setting /Zc:__cplusplus to fix __cplusplus
-    // _MSVC_LANG works regardless. But without the switch, the compiler always reported 199711L: https://blogs.msdn.microsoft.com/vcblog/2018/04/09/msvc-now-correctly-reports-__cplusplus/
-    #if __has_include(<filesystem>) // Two stage __has_include needed for MSVC 2015 and per https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005finclude.html
-        #define GHC_USE_STD_FS
-
-        // Old Apple OSs don't support std::filesystem, though the header is available at compile
-        // time. In particular, std::filesystem is unavailable before macOS 10.15, iOS/tvOS 13.0,
-        // and watchOS 6.0.
-        #ifdef __APPLE__
-            #include <Availability.h>
-            // Note: This intentionally uses std::filesystem on any new Apple OS, like visionOS
-            // released after std::filesystem, where std::filesystem is always available.
-            // (All other __<platform>_VERSION_MIN_REQUIREDs will be undefined and thus 0.)
-            #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500 \
-             || defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 130000 \
-             || defined(__TV_OS_VERSION_MIN_REQUIRED) && __TV_OS_VERSION_MIN_REQUIRED < 130000 \
-             || defined(__WATCH_OS_VERSION_MAX_ALLOWED) && __WATCH_OS_VERSION_MAX_ALLOWED < 60000
-                #undef GHC_USE_STD_FS
-            #endif
-        #endif
-    #endif
+#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include)
+#if __has_include(<filesystem>) && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500)
+#define GHC_USE_STD_FS
+#include <filesystem>
+namespace fs {
+using namespace std::filesystem;
+using ifstream = std::ifstream;
+using ofstream = std::ofstream;
+using fstream = std::fstream;
+}
 #endif
-
-#ifdef GHC_USE_STD_FS
-    #include <filesystem>
-    namespace fs {
-        using namespace std::filesystem;
-        using ifstream = std::ifstream;
-        using ofstream = std::ofstream;
-        using fstream = std::fstream;
-    }
-#else
-    #include "filesystem.hpp"
-    namespace fs {
-        using namespace ghc::filesystem;
-        using ifstream = ghc::filesystem::ifstream;
-        using ofstream = ghc::filesystem::ofstream;
-        using fstream = ghc::filesystem::fstream;
-    }
 #endif
-
+#ifndef GHC_USE_STD_FS
+#define GHC_WIN_WSTRING_STRING_TYPE
+#include <ghc/filesystem.hpp>
+namespace fs {
+using namespace ghc::filesystem;
+using ifstream = ghc::filesystem::ifstream;
+using ofstream = ghc::filesystem::ofstream;
+using fstream = ghc::filesystem::fstream;
+} 
+#endif
 #endif // GHC_FILESYSTEM_STD_H
+

include/ghc/fs_std_fwd.hpp

@@ -25,7 +25,7 @@
 // SOFTWARE.
 //
 //---------------------------------------------------------------------------------------
-// fs_std_fwd.hpp - The forwarding header for the header/implementation separated usage of
+// fs_std_fwd.hpp - The forwarding header for the header/implementation seperated usage of
 //                  ghc::filesystem that uses std::filesystem if it detects it.
 // This file can be include at any place, where fs::filesystem api is needed while
 // not bleeding implementation details (e.g. system includes) into the global namespace,
@@ -33,47 +33,28 @@
 //---------------------------------------------------------------------------------------
 #ifndef GHC_FILESYSTEM_STD_FWD_H
 #define GHC_FILESYSTEM_STD_FWD_H
-
-#if defined(_MSVC_LANG) && _MSVC_LANG >= 201703L || __cplusplus >= 201703L && defined(__has_include)
-    // ^ Supports MSVC prior to 15.7 without setting /Zc:__cplusplus to fix __cplusplus
-    // _MSVC_LANG works regardless. But without the switch, the compiler always reported 199711L: https://blogs.msdn.microsoft.com/vcblog/2018/04/09/msvc-now-correctly-reports-__cplusplus/
-    #if __has_include(<filesystem>) // Two stage __has_include needed for MSVC 2015 and per https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005finclude.html
-        #define GHC_USE_STD_FS
-
-        // Old Apple OSs don't support std::filesystem, though the header is available at compile
-        // time. In particular, std::filesystem is unavailable before macOS 10.15, iOS/tvOS 13.0,
-        // and watchOS 6.0.
-        #ifdef __APPLE__
-            #include <Availability.h>
-            // Note: This intentionally uses std::filesystem on any new Apple OS, like visionOS
-            // released after std::filesystem, where std::filesystem is always available.
-            // (All other __<platform>_VERSION_MIN_REQUIREDs will be undefined and thus 0.)
-            #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500 \
-             || defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 130000 \
-             || defined(__TV_OS_VERSION_MIN_REQUIRED) && __TV_OS_VERSION_MIN_REQUIRED < 130000 \
-             || defined(__WATCH_OS_VERSION_MAX_ALLOWED) && __WATCH_OS_VERSION_MAX_ALLOWED < 60000
-                #undef GHC_USE_STD_FS
-            #endif
-        #endif
-    #endif
+#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include)
+#if __has_include(<filesystem>) && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500)
+#define GHC_USE_STD_FS
+#include <filesystem>
+namespace fs {
+using namespace std::filesystem;
+using ifstream = std::ifstream;
+using ofstream = std::ofstream;
+using fstream = std::fstream;
+}
 #endif
-
-#ifdef GHC_USE_STD_FS
-    #include <filesystem>
-    namespace fs {
-        using namespace std::filesystem;
-        using ifstream = std::ifstream;
-        using ofstream = std::ofstream;
-        using fstream = std::fstream;
-    }
-#else
-    #include "fs_fwd.hpp"
-    namespace fs {
-        using namespace ghc::filesystem;
-        using ifstream = ghc::filesystem::ifstream;
-        using ofstream = ghc::filesystem::ofstream;
-        using fstream = ghc::filesystem::fstream;
-    }
 #endif
-
+#ifndef GHC_USE_STD_FS
+#define GHC_WIN_WSTRING_STRING_TYPE
+#define GHC_FILESYSTEM_FWD
+#include <ghc/filesystem.hpp>
+namespace fs {
+using namespace ghc::filesystem;
+using ifstream = ghc::filesystem::ifstream;
+using ofstream = ghc::filesystem::ofstream;
+using fstream = ghc::filesystem::fstream;
+} 
+#endif
 #endif // GHC_FILESYSTEM_STD_FWD_H
+

include/ghc/fs_std_impl.hpp

@@ -25,36 +25,19 @@
 // SOFTWARE.
 //
 //---------------------------------------------------------------------------------------
-// fs_std_impl.hpp - The implementation header for the header/implementation separated usage of
+// fs_std_impl.hpp - The implementation header for the header/implementation seperated usage of
 //                   ghc::filesystem that does nothing if std::filesystem is detected.
 // This file can be used to hide the implementation of ghc::filesystem into a single cpp.
 // The cpp has to include this before including fs_std_fwd.hpp directly or via a different
 // header to work.
 //---------------------------------------------------------------------------------------
-#if defined(_MSVC_LANG) && _MSVC_LANG >= 201703L || __cplusplus >= 201703L && defined(__has_include)
-    // ^ Supports MSVC prior to 15.7 without setting /Zc:__cplusplus to fix __cplusplus
-    // _MSVC_LANG works regardless. But without the switch, the compiler always reported 199711L: https://blogs.msdn.microsoft.com/vcblog/2018/04/09/msvc-now-correctly-reports-__cplusplus/
-    #if __has_include(<filesystem>) // Two stage __has_include needed for MSVC 2015 and per https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005finclude.html
-        #define GHC_USE_STD_FS
-
-        // Old Apple OSs don't support std::filesystem, though the header is available at compile
-        // time. In particular, std::filesystem is unavailable before macOS 10.15, iOS/tvOS 13.0,
-        // and watchOS 6.0.
-        #ifdef __APPLE__
-            #include <Availability.h>
-            // Note: This intentionally uses std::filesystem on any new Apple OS, like visionOS
-            // released after std::filesystem, where std::filesystem is always available.
-            // (All other __<platform>_VERSION_MIN_REQUIREDs will be undefined and thus 0.)
-            #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500 \
-             || defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 130000 \
-             || defined(__TV_OS_VERSION_MIN_REQUIRED) && __TV_OS_VERSION_MIN_REQUIRED < 130000 \
-             || defined(__WATCH_OS_VERSION_MAX_ALLOWED) && __WATCH_OS_VERSION_MAX_ALLOWED < 60000
-                #undef GHC_USE_STD_FS
-            #endif
-        #endif
-    #endif
+#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include)
+#if __has_include(<filesystem>) && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500)
+#define GHC_USE_STD_FS
+#endif
 #endif
-
 #ifndef GHC_USE_STD_FS
-    #include "fs_impl.hpp"
+#define GHC_WIN_WSTRING_STRING_TYPE
+#define GHC_FILESYSTEM_IMPLEMENTATION
+#include <ghc/filesystem.hpp>
 #endif

test/CMakeLists.txt

@@ -3,20 +3,6 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
 set(PARSE_CATCH_TESTS_ADD_TO_CONFIGURE_DEPENDS ON)
 include(ParseAndAddCatchTests)
 
-if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND UNIX AND NOT APPLE AND NOT BSD)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
-    set(CMAKE_EXE_LINKER_FLAGS "-lc++abi")
-endif()
-
-function(SetTestCompileOptions target_name)
-    target_compile_options(${target_name} PRIVATE
-        $<$<BOOL:${EMSCRIPTEN}>:-s DISABLE_EXCEPTION_CATCHING=0>
-        $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wpedantic -Werror -Wno-deprecated-declarations>
-        $<$<CXX_COMPILER_ID:GNU>:-Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wpedantic -Wno-psabi -Werror -Wno-deprecated-declarations>
-        $<$<CXX_COMPILER_ID:MSVC>:/WX /wd4996>
-        $<$<BOOL:${CYGWIN}>:-Wa,-mbig-obj>)
-endfunction()
-
 if(GHC_COVERAGE)
     message("Generating test runner for coverage run...")
     set(CMAKE_EXE_LINKER_FLAGS "${CMCMAKE_EXE_LINKER_FLAGS} --coverage") 
@@ -27,55 +13,36 @@ if(GHC_COVERAGE)
         target_compile_options(filesystem_test PUBLIC --coverage)
     endif()
     target_link_libraries(filesystem_test PUBLIC ghc_filesystem --coverage)
-    if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
-        target_link_libraries(filesystem_test PUBLIC xnet)
-    endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
-        target_link_libraries(filesystem_test PUBLIC network)
-    endif()
-    if("cxx_std_17" IN_LIST GHC_FILESYSTEM_TEST_COMPILE_FEATURES)
-        AddTestExecutableWithStdCpp(17 filesystem_test.cpp catch.hpp)
-    endif()
-    if("cxx_std_20" IN_LIST GHC_FILESYSTEM_TEST_COMPILE_FEATURES)
-        AddTestExecutableWithStdCpp(20 filesystem_test.cpp catch.hpp)
-    endif()
 else()
     message("Generating test runner for normal test...")
     add_executable(filesystem_test filesystem_test.cpp catch.hpp)
     target_link_libraries(filesystem_test ghc_filesystem)
-    if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
-        target_link_libraries(filesystem_test xnet)
-    endif()
-    if(${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
-        target_link_libraries(filesystem_test network)
-    endif()
-    SetTestCompileOptions(filesystem_test)
+    target_compile_options(filesystem_test PRIVATE
+        $<$<BOOL:${EMSCRIPTEN}>:-s DISABLE_EXCEPTION_CATCHING=0>
+        $<$<CXX_COMPILER_ID:Clang>:-Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wpedantic -Werror>
+        $<$<CXX_COMPILER_ID:GNU>:-Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wpedantic -Wno-psabi -Werror>
+        $<$<CXX_COMPILER_ID:MSVC>:/WX>)
     if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-        target_compile_definitions(filesystem_test PRIVATE _CRT_SECURE_NO_WARNINGS WIN32_LEAN_AND_MEAN NOMINMAX)
+        target_compile_definitions(filesystem_test PRIVATE _CRT_SECURE_NO_WARNINGS)
     endif()
     if(EMSCRIPTEN)
         set_target_properties(filesystem_test PROPERTIES LINK_FLAGS "-g4 -s DISABLE_EXCEPTION_CATCHING=0 -s ALLOW_MEMORY_GROWTH=1")
     endif()
     ParseAndAddCatchTests(filesystem_test)
-    if(GHC_FILESYSTEM_BUILD_STD_TESTING)
-        AddExecutableWithStdFS(std_filesystem_test filesystem_test.cpp catch.hpp)
-    endif()
+    AddExecutableWithStdFS(std_filesystem_test filesystem_test.cpp catch.hpp)
     if(WIN32)
-        add_executable(filesystem_test_char filesystem_test.cpp catch.hpp)
-        target_link_libraries(filesystem_test_char ghc_filesystem)
-        SetTestCompileOptions(filesystem_test_char)
+        add_executable(filesystem_test_wchar filesystem_test.cpp catch.hpp)
+        target_link_libraries(filesystem_test_wchar ghc_filesystem)
+        target_compile_options(filesystem_test_wchar PRIVATE
+            $<$<CXX_COMPILER_ID:Clang>:-Wall -Wextra -Werror>
+            $<$<CXX_COMPILER_ID:GNU>:-Wall -Werror>
+            $<$<CXX_COMPILER_ID:MSVC>:/WX>)
         if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-		target_compile_definitions(filesystem_test_char PRIVATE _CRT_SECURE_NO_WARNINGS GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE)
+            target_compile_definitions(filesystem_test_wchar PRIVATE _CRT_SECURE_NO_WARNINGS GHC_WIN_WSTRING_STRING_TYPE)
         else()
-		target_compile_definitions(filesystem_test_char PRIVATE GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE)
+            target_compile_definitions(filesystem_test_wchar PRIVATE GHC_WIN_WSTRING_STRING_TYPE)
         endif()
-        ParseAndAddCatchTests(filesystem_test_char)
-    endif()
-    if("cxx_std_17" IN_LIST GHC_FILESYSTEM_TEST_COMPILE_FEATURES)
-        AddTestExecutableWithStdCpp(17 filesystem_test.cpp catch.hpp)
-    endif()
-    if("cxx_std_20" IN_LIST GHC_FILESYSTEM_TEST_COMPILE_FEATURES)
-        AddTestExecutableWithStdCpp(20 filesystem_test.cpp catch.hpp)
+        ParseAndAddCatchTests(filesystem_test_wchar)
     endif()
 endif()
 
@@ -85,15 +52,8 @@ add_test(multifile_test multifile_test)
 
 add_executable(fwd_impl_test fwd_test.cpp impl_test.cpp)
 target_link_libraries(fwd_impl_test ghc_filesystem)
-if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
-    target_link_libraries(fwd_impl_test xnet)
-endif()
-if(${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
-    target_link_libraries(fwd_impl_test network)
-endif()
-SetTestCompileOptions(fwd_impl_test)
 if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-	target_compile_definitions(fwd_impl_test PRIVATE _CRT_SECURE_NO_WARNINGS WIN32_LEAN_AND_MEAN NOMINMAX)
+    target_compile_definitions(fwd_impl_test PRIVATE _CRT_SECURE_NO_WARNINGS)
 endif()
 add_test(fwd_impl_test fwd_impl_test)
 
@@ -102,4 +62,3 @@ if(NOT MSVC)
     target_compile_options(exception PRIVATE -fno-exceptions)
 endif()
 target_include_directories(exception PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../include)
-SetTestCompileOptions(exception)

test/impl_test.cpp

@@ -3,6 +3,7 @@
 // where exactly one cpp includes fs_impl.hpp and all others use
 // fs_fwd.hpp (to test this with maximum functionality, the unit tests
 // are included here, signaling they should only include the fs_fwd.hpp)
+#define NOMINMAX
 #include <ghc/fs_impl.hpp>
 #define CATCH_CONFIG_MAIN
 #include "catch.hpp"

test/multi1.cpp

@@ -27,7 +27,7 @@
 #include <ghc/filesystem.hpp>
 namespace fs = ghc::filesystem;
 
-// This test and the one in multi2.cpp doesn't actually test relevant functionality,
+// This test and the one in multi2.cpp doesn't actualy test relevant functionality,
 // it is just used to check that it is possible to include filesystem.h in multiple
 // source files.
 TEST_CASE("Multifile-test 1", "[multi]")