feat: update gitmodule and tweak CMakeLists.txt

Author: lvjonok

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "vendor/Clipper2"]
 	path = vendor/Clipper2
-	url = https://github.com/AngusJohnson/Clipper2
+	url = https://github.com/epit3d/Clipper2

CMakeLists.txt

@@ -4,20 +4,33 @@ project(clipper2c LANGUAGES CXX)
 set(CMAKE_VERBOSE_MAKEFILE ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-option(BUILD_SHARED_LIBS OFF)
+option(BUILD_SHARED_LIBS ON)
 
 add_compile_options(-fPIC)
 
 add_subdirectory(vendor/Clipper2/CPP)
 
 file(GLOB_RECURSE SOURCE_FILES  src/*.cpp)
+file(GLOB_RECURSE INCLUDE_FILES include/*.h) 
 
-add_library(clipper2c ${SOURCE_FILES})
+add_library(clipper2c SHARED ${INCLUDE_FILES} ${SOURCE_FILES})
 
 target_link_libraries(
   clipper2c
   PRIVATE Clipper2
 )
 
 target_include_directories(clipper2c PUBLIC ${PROJECT_SOURCE_DIR}/include)
-target_compile_features(clipper2c PRIVATE cxx_std_17)
+
+
+set_target_properties(clipper2c PROPERTIES FOLDER Libraries
+                                VERSION ${PROJECT_VERSION}
+                                SOVERSION ${PROJECT_VERSION_MAJOR}
+                                PUBLIC_HEADER "${INCLUDE_FILES}"
+)
+
+install(TARGETS clipper2c
+        PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/clipper2c
+)
+
+target_compile_features(clipper2c PUBLIC cxx_std_17)

include/clipper2c.h

@@ -1,6 +1,6 @@
 #include <stddef.h>
 #include <stdint.h>
-#include <types.h>
+#include <clipper2c/types.h>
 
 #ifdef __cplusplus
 extern "C" {