Changed Interface to PUBLIC

CMakeLists.txt

-cmake_minimum_required (VERSION 3.1.3)
+cmake_minimum_required (VERSION 3.13)
 project(XPlug)
 
 ##########INCLUDES############

cmake/symbol_export.cmake

@@ -7,10 +7,10 @@ function(EXPORT_SYMBOLS EXPORT_SYMBOLS_TARGET)
    cmake_policy(SET CMP0054 NEW)
    foreach(loop_var ${EXPORT_SYMBOLS_FUNCTION_NAMES})
        if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang|GNU")
-         target_link_options(${EXPORT_SYMBOLS_TARGET} INTERFACE "LINKER:--undefined=${loop_var}")
+         target_link_options(${EXPORT_SYMBOLS_TARGET} PUBLIC "LINKER:--undefined=${loop_var}")
        elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-         #MESSAGE("GNU")
-       elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
+         target_link_options(${EXPORT_SYMBOLS_TARGET} PUBLIC "LINKER:--undefined=${loop_var}")
+         #MESSAGE("GNU")       elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
          MESSAGE("No Symbol export defined. Specify here, how to handle")
        elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
          target_link_options(${EXPORT_SYMBOLS_TARGET} INTERFACE "/EXPORT:${loop_var}")