vcpkg/ports/libigl/dependencies.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 232bc03..8143963 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,7 +64,7 @@ set(MATLAB_ADDITIONAL_VERSIONS
 set(LIBIGL_DEFAULT_MATLAB ${LIBIGL_TOPLEVEL_PROJECT})
 set(LIBIGL_DEFAULT_MOSEK ${LIBIGL_TOPLEVEL_PROJECT})
 if(LIBIGL_TOPLEVEL_PROJECT)
-    if(NOT WIN32)
+    if(0)
         find_package(GMP QUIET)
         find_package(MPFR QUIET)
         if(NOT (TARGET gmp::gmp AND TARGET mpfr::mpfr))
diff --git a/cmake/igl/libigl-config.cmake.in b/cmake/igl/libigl-config.cmake.in
index 359e314..6e04af6 100644
--- a/cmake/igl/libigl-config.cmake.in
+++ b/cmake/igl/libigl-config.cmake.in
@@ -1,3 +1,8 @@
 @PACKAGE_INIT@
 
+include(CMakeFindDependencyMacro)
+find_dependency(Eigen3)
+find_dependency(Threads)
+include("${CMAKE_CURRENT_LIST_DIR}/LibiglConfigTargets.cmake")
+
 check_required_components(Libigl)
diff --git a/cmake/igl/modules/copyleft/cgal.cmake b/cmake/igl/modules/copyleft/cgal.cmake
index f6abe8c..7ee7d84 100644
--- a/cmake/igl/modules/copyleft/cgal.cmake
+++ b/cmake/igl/modules/copyleft/cgal.cmake
@@ -14,13 +14,12 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/copyleft/cgal/*.cpp")
 igl_target_sources(igl_copyleft_cgal ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(cgal)
+find_package(CGAL CONFIG REQUIRED COMPONENTS Core)
 igl_include(copyleft core)
 target_link_libraries(igl_copyleft_cgal ${IGL_SCOPE}
     igl::core
     igl_copyleft::core
     CGAL::CGAL
-    CGAL::CGAL_Core
 )
 
 # 5. Unit tests
diff --git a/cmake/igl/modules/core.cmake b/cmake/igl/modules/core.cmake
index 2aefcd6..137d30b 100644
--- a/cmake/igl/modules/core.cmake
+++ b/cmake/igl/modules/core.cmake
@@ -20,7 +20,7 @@ igl_target_sources(igl_core ${INC_FILES} ${SRC_FILES})
 igl_install(igl_core ${INC_FILES} ${SRC_FILES})
 
 # 5. Dependencies
-include(eigen)
+find_package(Eigen3 CONFIG REQUIRED)
 find_package(Threads REQUIRED)
 target_link_libraries(igl_core ${IGL_SCOPE}
     Eigen3::Eigen
diff --git a/cmake/igl/modules/embree.cmake b/cmake/igl/modules/embree.cmake
index 6f22319..de85066 100644
--- a/cmake/igl/modules/embree.cmake
+++ b/cmake/igl/modules/embree.cmake
@@ -14,10 +14,10 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/embree/*.cpp")
 igl_target_sources(igl_embree ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(embree)
+find_package(embree 3 CONFIG REQUIRED)
 target_link_libraries(igl_embree ${IGL_SCOPE}
     igl::core
-    embree::embree
+    $<TARGET_NAME:embree>
 )
 
 # 5. Unit tests
diff --git a/cmake/igl/modules/glfw.cmake b/cmake/igl/modules/glfw.cmake
index 151338e..f42d22a 100644
--- a/cmake/igl/modules/glfw.cmake
+++ b/cmake/igl/modules/glfw.cmake
@@ -14,10 +14,10 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/opengl/glfw/*.cpp")
 igl_target_sources(igl_glfw ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(glfw)
+find_package(glfw3 CONFIG REQUIRED)
 igl_include(opengl)
 target_link_libraries(igl_glfw ${IGL_SCOPE}
     igl::core
     igl::opengl
-    glfw::glfw
+    $<TARGET_NAME:glfw>
 )
diff --git a/cmake/igl/modules/imgui.cmake b/cmake/igl/modules/imgui.cmake
index d7ffb9d..f331854 100644
--- a/cmake/igl/modules/imgui.cmake
+++ b/cmake/igl/modules/imgui.cmake
@@ -14,14 +14,12 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/opengl/glfw/imgui/*.cpp")
 igl_target_sources(igl_imgui ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(imgui)
-include(imguizmo)
-include(libigl_imgui_fonts)
+find_package(imgui CONFIG REQUIRED)
+find_package(imguizmo CONFIG REQUIRED)
 igl_include(glfw)
 target_link_libraries(igl_imgui ${IGL_SCOPE}
     igl::core
     igl::glfw
     imgui::imgui
     imguizmo::imguizmo
-    igl::imgui_fonts
 )
diff --git a/cmake/igl/modules/opengl.cmake b/cmake/igl/modules/opengl.cmake
index 4580c03..dfadb38 100644
--- a/cmake/igl/modules/opengl.cmake
+++ b/cmake/igl/modules/opengl.cmake
@@ -14,7 +14,7 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/opengl/*.cpp")
 igl_target_sources(igl_opengl ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(glad)
+find_package(glad CONFIG REQUIRED)
 find_package(OpenGL REQUIRED OPTIONAL_COMPONENTS OpenGL)
 target_link_libraries(igl_opengl ${IGL_SCOPE}
     igl::core
diff --git a/cmake/igl/modules/png.cmake b/cmake/igl/modules/png.cmake
index b267deb..8d8decc 100644
--- a/cmake/igl/modules/png.cmake
+++ b/cmake/igl/modules/png.cmake
@@ -14,7 +14,7 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/png/*.cpp")
 igl_target_sources(igl_png ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(stb)
+find_package(Stb REQUIRED)
 igl_include(opengl)
 target_link_libraries(igl_png ${IGL_SCOPE}
     igl::core
diff --git a/cmake/igl/modules/xml.cmake b/cmake/igl/modules/xml.cmake
index 3763b77..31ab979 100644
--- a/cmake/igl/modules/xml.cmake
+++ b/cmake/igl/modules/xml.cmake
@@ -14,7 +14,7 @@ file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/xml/*.cpp")
 igl_target_sources(igl_xml ${INC_FILES} ${SRC_FILES})
 
 # 4. Dependencies
-include(tinyxml2)
+find_package(tinyxml2 CONFIG REQUIRED)
 target_link_libraries(igl_xml ${IGL_SCOPE}
     igl::core
     tinyxml2::tinyxml2
diff --git a/cmake/recipes/external/comiso.cmake b/cmake/recipes/external/comiso.cmake
index d2879cb..5a0bd58 100644
--- a/cmake/recipes/external/comiso.cmake
+++ b/cmake/recipes/external/comiso.cmake
@@ -11,7 +11,7 @@ FetchContent_Declare(
     GIT_TAG 536440e714f412e7ef6c0b96b90ba37b1531bb39
 )
 
-include(eigen)
+find_package(Eigen3 CONFIG REQUIRED)
 
 FetchContent_MakeAvailable(comiso)