install-extra-targets.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8143963..784ac50 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -157,7 +157,7 @@ if(LIBIGL_INSTALL)
     set(version_config_file "${CMAKE_CURRENT_BINARY_DIR}/LibiglConfigVersion.cmake")
     set(export_dest_dir "${CMAKE_INSTALL_LIBDIR}/cmake/igl")
 
-    foreach(suffix IN ITEMS "") #"_restricted" "_copyleft")
+    foreach(suffix IN ITEMS "" "_copyleft") #  "_restricted"
         install(EXPORT LibiglTargets${suffix}
             DESTINATION ${export_dest_dir}
             NAMESPACE igl${suffix}::
diff --git a/cmake/igl/libigl-config.cmake.in b/cmake/igl/libigl-config.cmake.in
index 629896d..0b05692 100644
--- a/cmake/igl/libigl-config.cmake.in
+++ b/cmake/igl/libigl-config.cmake.in
@@ -4,5 +4,30 @@ include(CMakeFindDependencyMacro)
 find_dependency(Eigen3)
 find_dependency(Threads)
 include("${CMAKE_CURRENT_LIST_DIR}/LibiglConfigTargets.cmake")
+if(TARGET igl::igl_embree)
+  find_dependency(embree 3)
+endif()
+if(TARGET igl::igl_glfw)
+  find_dependency(glfw3)
+endif()
+if(TARGET igl::igl_imgui)
+  find_dependency(imgui)
+  find_dependency(imguizmo)
+endif()
+if(TARGET igl::igl_opengl)
+  find_dependency(OpenGL)
+  find_dependency(glad)
+endif()
+if(TARGET igl::igl_png)
+  find_dependency(Stb)
+endif()
+if(TARGET igl::igl_xml)
+  find_dependency(tinyxml2)
+endif()
+
+include("${CMAKE_CURRENT_LIST_DIR}/LibiglConfigTargets_copyleft.cmake" OPTIONAL)
+if(TARGET igl_copyleft::igl_copyleft_cgal)
+  find_dependency(CGAL)
+endif()
 
 check_required_components(Libigl)
diff --git a/cmake/igl/modules/copyleft/cgal.cmake b/cmake/igl/modules/copyleft/cgal.cmake
index 7ee7d84..d06c6ee 100644
--- a/cmake/igl/modules/copyleft/cgal.cmake
+++ b/cmake/igl/modules/copyleft/cgal.cmake
@@ -9,7 +9,7 @@ target_include_directories(igl_copyleft_cgal ${IGL_SCOPE}
 )
 
 # 3. Target sources
-file(GLOB INC_FILES "${libigl_SOURCE_DIR}/include/igl/copyleft/cgal/*.h")
+file(GLOB INC_FILES "${libigl_SOURCE_DIR}/include/igl/copyleft/cgal/*.h" "${libigl_SOURCE_DIR}/include/igl/copyleft/cgal/*.hpp")
 file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/copyleft/cgal/*.cpp")
 igl_target_sources(igl_copyleft_cgal ${INC_FILES} ${SRC_FILES})
 
@@ -22,6 +22,8 @@ target_link_libraries(igl_copyleft_cgal ${IGL_SCOPE}
     CGAL::CGAL
 )
 
+igl_install(igl_copyleft_cgal ${INC_FILES} ${SRC_FILES})
+
 # 5. Unit tests
 file(GLOB SRC_FILES
     "${libigl_SOURCE_DIR}/tests/include/igl/copyleft/boolean/*.cpp"
@@ -31,3 +33,4 @@ igl_add_test(igl_copyleft_cgal ${SRC_FILES})
 if(TARGET test_igl_copyleft_cgal)
     igl_copy_dll(test_igl_copyleft_cgal)
 endif()
+
diff --git a/cmake/igl/modules/copyleft/core.cmake b/cmake/igl/modules/copyleft/core.cmake
index 8d03a90..aff8241 100644
--- a/cmake/igl/modules/copyleft/core.cmake
+++ b/cmake/igl/modules/copyleft/core.cmake
@@ -17,3 +17,5 @@ igl_target_sources(igl_copyleft_core ${INC_FILES} ${SRC_FILES})
 target_link_libraries(igl_copyleft_core ${IGL_SCOPE}
     igl::core
 )
+
+igl_install(igl_copyleft_core ${INC_FILES} ${SRC_FILES})
diff --git a/cmake/igl/modules/core.cmake b/cmake/igl/modules/core.cmake
index 137d30b..597c26b 100644
--- a/cmake/igl/modules/core.cmake
+++ b/cmake/igl/modules/core.cmake
@@ -12,8 +12,8 @@ target_include_directories(igl_core ${IGL_SCOPE}
 )
 
 # 3. Target sources
-file(GLOB INC_FILES "${libigl_SOURCE_DIR}/include/igl/*.h")
-file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/*.cpp")
+file(GLOB INC_FILES "${libigl_SOURCE_DIR}/include/igl/*.h" "${libigl_SOURCE_DIR}/include/igl/*.hpp")
+file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/include/igl/*.cpp" "${libigl_SOURCE_DIR}/include/igl/*.c")
 igl_target_sources(igl_core ${INC_FILES} ${SRC_FILES})
 
 # 4. Install target & headers
diff --git a/cmake/igl/modules/embree.cmake b/cmake/igl/modules/embree.cmake
index de85066..052fc76 100644
--- a/cmake/igl/modules/embree.cmake
+++ b/cmake/igl/modules/embree.cmake
@@ -20,6 +20,9 @@ target_link_libraries(igl_embree ${IGL_SCOPE}
     $<TARGET_NAME:embree>
 )
 
+igl_install(igl_embree ${INC_FILES} ${SRC_FILES})
+
 # 5. Unit tests
 file(GLOB SRC_FILES "${libigl_SOURCE_DIR}/tests/include/igl/embree/*.cpp")
 igl_add_test(igl_embree ${SRC_FILES})
+
diff --git a/cmake/igl/modules/glfw.cmake b/cmake/igl/modules/glfw.cmake
index f42d22a..e9930d8 100644
--- a/cmake/igl/modules/glfw.cmake
+++ b/cmake/igl/modules/glfw.cmake
@@ -21,3 +21,5 @@ target_link_libraries(igl_glfw ${IGL_SCOPE}
     igl::opengl
     $<TARGET_NAME:glfw>
 )
+
+igl_install(igl_glfw ${INC_FILES} ${SRC_FILES})
diff --git a/cmake/igl/modules/imgui.cmake b/cmake/igl/modules/imgui.cmake
index f331854..7ff9738 100644
--- a/cmake/igl/modules/imgui.cmake
+++ b/cmake/igl/modules/imgui.cmake
@@ -23,3 +23,5 @@ target_link_libraries(igl_imgui ${IGL_SCOPE}
     imgui::imgui
     imguizmo::imguizmo
 )
+
+igl_install(igl_imgui ${INC_FILES} ${SRC_FILES})
diff --git a/cmake/igl/modules/opengl.cmake b/cmake/igl/modules/opengl.cmake
index dfadb38..185494b 100644
--- a/cmake/igl/modules/opengl.cmake
+++ b/cmake/igl/modules/opengl.cmake
@@ -22,3 +22,5 @@ target_link_libraries(igl_opengl ${IGL_SCOPE}
     # Link against OpenGL::OpenGL if available, or fallback to OpenGL::GL
     $<IF:$<TARGET_EXISTS:OpenGL::OpenGL>,OpenGL::OpenGL,OpenGL::GL>
 )
+
+igl_install(igl_opengl ${INC_FILES} ${SRC_FILES})
diff --git a/cmake/igl/modules/png.cmake b/cmake/igl/modules/png.cmake
index 8d8decc..293da91 100644
--- a/cmake/igl/modules/png.cmake
+++ b/cmake/igl/modules/png.cmake
@@ -21,3 +21,5 @@ target_link_libraries(igl_png ${IGL_SCOPE}
     igl::opengl
     stb::stb
 )
+
+igl_install(igl_png ${INC_FILES} ${SRC_FILES})
diff --git a/cmake/igl/modules/xml.cmake b/cmake/igl/modules/xml.cmake
index 31ab979..815ea62 100644
--- a/cmake/igl/modules/xml.cmake
+++ b/cmake/igl/modules/xml.cmake
@@ -19,3 +19,5 @@ target_link_libraries(igl_xml ${IGL_SCOPE}
     igl::core
     tinyxml2::tinyxml2
 )
+
+igl_install(igl_xml ${INC_FILES} ${SRC_FILES})