Resolve "Cmake correct includes"

Closes #462 (closed)

CMakeLists.txt

@@ -101,14 +101,9 @@ IF(EXISTS "${WOLF_CONFIG_DIR}" AND NOT IS_DIRECTORY "${WOLF_CONFIG_DIR}")
   message(FATAL_ERROR "Bug: Specified CONFIG_DIR: "
     "${WOLF_CONFIG_DIR} exists, but is not a directory.")
 ENDIF()
+
 # Configure config.h
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/internal/config.h.in "${WOLF_CONFIG_DIR}/config.h")
-message(STATUS "WOLF CONFIG DIRECTORY ${WOLF_CONFIG_DIR}")
-message(STATUS "WOLF CONFIG FILE      ${WOLF_CONFIG_DIR}/config.h")
-include_directories("${PROJECT_BINARY_DIR}/conf")
-
-# ============ INCLUDES ============ 
-INCLUDE_DIRECTORIES("include") # In this same project
 
 # ============ HEADERS ============ 
 SET(HDRS_CAPTURE
@@ -450,9 +445,9 @@ install(
   ${LIB_INSTALL_DIR}/${PLUGIN_NAME}/cmake
 )
 
-# Specifies include directories to use when compiling the plugin target
-# This way, include_directories does not need to be called in plugins depending on this one
-target_include_directories(${PLUGIN_NAME} INTERFACE
+target_include_directories(${PLUGIN_NAME} PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+  $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/conf>
   $<INSTALL_INTERFACE:${INCLUDE_INSTALL_DIR}>
 )
 
@@ -498,7 +493,7 @@ INSTALL(FILES ${HDRS_UTILS}
 INSTALL(FILES ${HDRS_YAML}
   DESTINATION ${INCLUDE_INSTALL_DIR}/${PROJECT_NAME}/yaml)
 
-INSTALL(FILES "${WOLF_CONFIG_DIR}/config.h"
+INSTALL(FILES ${WOLF_CONFIG_DIR}/config.h
   DESTINATION ${INCLUDE_INSTALL_DIR}/${PROJECT_NAME}/internal)
 
 export(PACKAGE ${PLUGIN_NAME})