creation of test library only on windows

app/CMakeLists.txt

@@ -219,6 +219,7 @@ target_link_libraries(imageinsa
 	Qt5::Xml
 	${RandomLib_LIBRARIES}
 )
+if(UNIX)
   add_library(libimageinsa STATIC ${EXTRA_FLAGS} ${imageinsa_SOURCES} ${WRAPPED_UIS} ${UIS} ${QM_FILES} ${TS_FILES} ${RCC_FILES})
   target_link_libraries(libimageinsa
     core
@@ -229,6 +230,7 @@ target_link_libraries(imageinsa
     Qt5::Xml
     ${RandomLib_LIBRARIES}
   )
+endif()
 add_custom_command(TARGET imageinsa POST_BUILD
 	COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPLOY_OUTPUT_DIRECTORY}/lang
 	COMMENT "Create directory ${DEPLOY_OUTPUT_DIRECTORY}/lang")