Add MinGW support

Author: JoyHak

.github/workflows/ci.yaml

@@ -105,6 +105,58 @@ jobs:
       - name: run
         run: ctest -V -C Release
 
+  mingw:
+    name: MinGW ${{ matrix.sys }} C++${{ matrix.cpp }}
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        cpp: [11, 14, 17, 20, 23]
+        sys:
+          - mingw64
+          - mingw32
+          - ucrt64
+          - clang64
+        include:
+          - range_v3: ON
+          - range_v3: OFF
+            cpp: 11
+          - range_v3: OFF
+            sys: mingw32
+    defaults:
+      run:
+        shell: msys2 {0}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{ matrix.sys }}
+          update: true
+          pacboy: >-
+            gcc:p
+            cmake:p
+            ninja:p
+            boost:p
+            fmt:p
+            ${{ matrix.sys != 'mingw32' && 'range-v3:p' || '' }}
+      - name: setup catch2
+        run: |
+          mkdir -p cmake/catch2
+          curl -L -o cmake/catch2/catch.hpp https://github.com/catchorg/Catch2/releases/download/v2.13.10/catch.hpp
+          cat > cmake/FindCatch2.cmake << 'EOF'
+          add_library(Catch2::Catch2 INTERFACE IMPORTED)
+          set_target_properties(Catch2::Catch2 PROPERTIES
+            INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_LIST_DIR}"
+          )
+          set(Catch2_FOUND TRUE)
+          EOF
+      - name: build
+        run: |
+          cmake . -G Ninja -DCMAKE_MODULE_PATH=$(pwd)/cmake -DENABLE_RANGE_V3=${{ matrix.range_v3 }} -DENABLE_FMT=ON -DBUILD_TESTING=ON -DCMAKE_CXX_STANDARD=${{ matrix.cpp }} -DCMAKE_CXX_FLAGS='-Wall -Wextra -Wconversion -Wshadow -pedantic -Werror -Wno-c2y-extensions' -DCMAKE_BUILD_TYPE=Release
+          cmake --build .
+      - name: run
+        run: ctest -V
+
   macos:
     name: Xcode C++${{ matrix.cpp }}
     runs-on: macos-14

AUTHORS

@@ -1 +1,3 @@
-Renato Florentino Garcia <fgarcia.renato@gmail.com>
+Renato Garcia <fgarcia.renato@gmail.com>
+Dwayne Robinson <fdwr@hotmail.com>
+JoyHak <access-restricted@onionmail.org>

icecream.hpp

@@ -71,7 +71,11 @@
     #pragma warning(disable: 4127 4355 4514 4623 4626 4820 4866 4868 5027 5045 4582 4583)
 #endif
 
-#if (!defined(__APPLE__) && (!defined(_LIBCPP_VERSION) || _LIBCPP_VERSION >= 15000))
+#if !(                                                                              \
+      defined(__APPLE__)                                        /* macOS         */ \
+      || (defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 15000)  /* libc++ < 15.0 */ \
+      || (defined(__MSVCRT_VERSION__) && !defined( _UCRT))      /* msvcrt        */ \
+    )
     #define ICECREAM_UCHAR_HEADER
     #include <uchar.h>
 #endif
@@ -4081,6 +4085,25 @@ namespace detail {
 
     // -------------------------------------------------- Range classes
 
+    // Check if a value of type From fits in type To. Uses SFINAE to avoid tautological
+    // comparison warnings when From type have the same size or is shorter than To type.
+    template<typename To, typename From>
+    auto fits_in(From v) -> typename std::enable_if<
+        (sizeof(From) > sizeof(To)), bool
+    >::type
+    {
+        return v >= std::numeric_limits<To>::lowest()
+            && v <= std::numeric_limits<To>::max();
+    }
+
+    template<typename To, typename From>
+    auto fits_in(From) -> typename std::enable_if<
+        (sizeof(From) <= sizeof(To)), bool
+    >::type
+    {
+        return true;
+    }
+
     // Direct representation of a slicing string.
     struct Slice
     {
@@ -4141,10 +4164,7 @@ namespace detail {
                     )
 
                     // or if there is an overflow to convert from long to ptrdiff
-                    || (
-                        lnum > std::numeric_limits<ptrdiff_t>::max()
-                        || lnum < std::numeric_limits<ptrdiff_t>::lowest()
-                    )
+                    || !fits_in<ptrdiff_t>(lnum)
                 ) {
                     return {};
                 }

tests/test_c++11.cpp

@@ -786,7 +786,7 @@ TEST_CASE("pointer_like")
 
         float* v0 = nullptr;
         IC(v0);
-      #if !defined(__APPLE__) && defined(_LIBCPP_VERSION)
+      #if !defined(__APPLE__) && defined(_LIBCPP_VERSION) && !defined(__MINGW64__)
         REQUIRE(str == "ic| v0: (nil)\n");
       #else
         REQUIRE_THAT(str, Catch::Matches("ic\\| v0: (0x)*0+\n"));
@@ -800,7 +800,7 @@ TEST_CASE("pointer_like")
 
         auto v0 = std::unique_ptr<double> {};
         IC(v0);
-      #if !defined(__APPLE__) && defined(_LIBCPP_VERSION)
+      #if !defined(__APPLE__) && defined(_LIBCPP_VERSION) && !defined(__MINGW64__)
         REQUIRE(str == "ic| v0: (nil)\n");
       #else
         REQUIRE_THAT(str, Catch::Matches("ic\\| v0: (0x)*0+\n"));

tests/test_clang.cpp

@@ -36,7 +36,7 @@ TEST_CASE("dump_string")
             {&i0},
         };
 
-      #if !defined(__APPLE__) && defined(_LIBCPP_VERSION)
+      #if !defined(__APPLE__) && defined(_LIBCPP_VERSION) && !defined(__MINGW64__)
         auto const result = "ic\\| v0: \\{integers: \\[(0x)*[0-9a-fA-F]+, \\(nil\\)\\]\\}\n";
       #else
         auto const result = "ic\\| v0: \\{integers: \\[(0x)*[0-9a-fA-F]+, (0x)*0\\]\\}\n";