--- src/CMakeLists.txt.orig	2020-02-17 16:20:18 UTC
+++ src/CMakeLists.txt
@@ -37,6 +37,9 @@ INCLUDE_DIRECTORIES(
     ${FTD2XX_PATH}
     )
 
+SET(CMAKE_CXX_FLAGS      "${CMAKE_CXX_FLAGS} -I${SDMUX_DEP_popt_INCLUDEDIR}")
+SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L${SDMUX_DEP_popt_LIBDIR}")
+
 ADD_EXECUTABLE(${TARGET_SDMUXCTRL} ${SDMUXCTRL_SOURCES})
 
 TARGET_LINK_LIBRARIES(${TARGET_SDMUXCTRL}