build(cmake): fix install include path

Author: c0nstexpr

CMakeLists.txt

@@ -41,16 +41,11 @@ target_install(
   NAMESPACE ${PROJECT_NAME}
   BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}
   INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include
-  INCLUDE_DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  INCLUDE_DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}/${PROJECT_VERSION}
   COMPATIBILITY SameMajorVersion
   DEPENDENCIES fmt;ctre;range-v3
 )
 
-install(
-    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/cmake
-    DESTINATION ${CMAKE_INSTALL_LIBDIR}
-)
-
 get_directory_property(is_subproject PARENT_DIRECTORY)
 
 if(NOT is_subproject)

cmake/Utils.cmake

@@ -73,7 +73,7 @@ function(config_interface_lib lib_name)
     target_include_directories(
         ${lib_name}
         INTERFACE
-            $<INSTALL_INTERFACE:include>
+            $<INSTALL_INTERFACE:include/${PROJECT_NAME}/${PROJECT_VERSION}>
             $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
     )
 endfunction()
@@ -116,7 +116,7 @@ function(config_lib lib_name includes src lib_type)
     target_include_directories(
         ${lib_name}
         PUBLIC
-            $<INSTALL_INTERFACE:include>
+            $<INSTALL_INTERFACE:include/${PROJECT_NAME}/${PROJECT_VERSION}>
             $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
     )
 endfunction()