[WIP] init vcpkg. Disable alphaShapes for now (cf CGAL/cgal#7667)

.github/workflows/vcpkg.yml

@@ -0,0 +1,50 @@
+name: Build with vcpkg on Windows
+
+on:
+  push:
+    branches-ignore:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Cache vcpkg dependencies
+      uses: actions/cache@v2
+      with:
+        path: vcpkg_installed
+        key: vcpkg-${{ runner.os }}-${{ hashFiles('vcpkg/vcpkg-export.txt') }}
+
+    - name: Install vcpkg
+      run: |
+        git clone https://github.com/microsoft/vcpkg.git
+        cd vcpkg
+        .\bootstrap-vcpkg.bat
+
+    - name: Install vcpkg dependencies
+      run: |
+        cd vcpkg
+        .\vcpkg install cgal
+
+    - name: Export vcpkg installed packages
+      run: |
+        cd vcpkg
+        .\vcpkg list > vcpkg-export.txt
+
+    - name: Set up vcpkg environment
+      run: |
+        echo "::add-path::${RUNNER_WORKSPACE}\\vcpkg"
+
+    - name: Build project with vcpkg
+      run: |
+        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DSFCGAL_BUILD_TESTS=ON -DCMAKE_TOOLCHAIN_FILE=${RUNNER_WORKSPACE}\\vcpkg\\scripts\\buildsystems\\vcpkg.cmake
+        cmake --build build
+        ctest -V --output-on-failure --test-dir build
+

.gitignore

@@ -43,3 +43,6 @@ test/unit/unit-test-SFCGAL
 */.DS_Store
 
 build
+/.vs
+/out/install/x64-Debug/include/SFCGAL
+/CMakeSettings.json

src/CMakeLists.txt

@@ -1,6 +1,11 @@
 file( GLOB_RECURSE SFCGAL_SOURCES "*.cpp" )
 file( GLOB_RECURSE SFCGAL_HEADERS "*.h" )
 
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC )
+    list(REMOVE_ITEM SFCGAL_SOURCES ${CMAKE_SOURCE_DIR}/src/algorithm/alphaShapes.cpp)
+    list(REMOVE_ITEM SFCGAL_HEADERS ${CMAKE_SOURCE_DIR}/src/algorithm/alphaShapes.h)
+endif()
+
 file( GLOB_RECURSE SFCGAL_HEADERS_COPIED RELATIVE ${CMAKE_SOURCE_DIR}/src "*.h" )
 add_custom_target(copy)
 foreach (header ${SFCGAL_HEADERS_COPIED})

src/capi/sfcgal_c.cpp

@@ -23,7 +23,9 @@
 #include <SFCGAL/io/ewkt.h>
 #include <SFCGAL/io/wkt.h>
 
+#if _MSC_VER && !__INTEL_COMPILER
 #include <SFCGAL/algorithm/alphaShapes.h>
+#endif
 #include <SFCGAL/algorithm/area.h>
 #include <SFCGAL/algorithm/convexHull.h>
 #include <SFCGAL/algorithm/covers.h>
@@ -1216,6 +1218,7 @@ sfcgal_geometry_line_sub_string(const sfcgal_geometry_t *geom, double start,
   return ls.release();
 }
 
+#if !_MSC_VER
 extern "C" sfcgal_geometry_t *
 sfcgal_geometry_alpha_shapes(const sfcgal_geometry_t *geom, double alpha,
                              bool allow_holes)
@@ -1258,7 +1261,7 @@ sfcgal_geometry_optimal_alpha_shapes(const sfcgal_geometry_t *geom,
 
   return result.release();
 }
-
+#endif
 
 extern "C" sfcgal_geometry_t *
 sfcgal_y_monotone_partition_2(const sfcgal_geometry_t *geom)

src/capi/sfcgal_c.h

@@ -1022,6 +1022,7 @@ SFCGAL_API sfcgal_geometry_t *
 sfcgal_geometry_line_sub_string(const sfcgal_geometry_t *geom, double start,
                                 double end);
 
+#if !_MSC_VER
 /**
  * Returns the alpha shapes of geom
  * @pre isValid(geom) == true
@@ -1044,6 +1045,7 @@ sfcgal_geometry_alpha_shapes(const sfcgal_geometry_t *geom, double alpha,
 SFCGAL_API sfcgal_geometry_t *
 sfcgal_geometry_optimal_alpha_shapes(const sfcgal_geometry_t *geom,
                                      bool allow_holes, size_t nb_components);
+#endif
 
 /**
  * Returns the y monotone partition of a geometry (polygon without hole)

test/unit/CMakeLists.txt

@@ -7,6 +7,11 @@ if( SFCGAL_USE_STATIC_LIBS )
 endif()
 
 file( GLOB_RECURSE SFCGAL_UNIT_TEST_SOURCES *.cpp )
+
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC )
+    list(REMOVE_ITEM SFCGAL_UNIT_TEST_SOURCES ${CMAKE_SOURCE_DIR}/test/unit/SFCGAL/algorithm/AlphaShapesTest.cpp)
+endif()
+
 add_executable( unit-test-SFCGAL ${SFCGAL_UNIT_TEST_SOURCES} )
 target_link_libraries( unit-test-SFCGAL SFCGAL)
 target_link_libraries(unit-test-SFCGAL ${CGAL_3RD_PARTY_LIBRARIES} ${Boost_LIBRARIES})