Set LIBS variable properly

Author: syb0rg

src/libsphinxad/CMakeLists.txt

@@ -7,25 +7,25 @@ endif ()
 find_package(PulseAudio)
 if (PULSEAUDIO_FOUND)
 	set(SOURCES ${SOURCES} ad_pulse.c)
-	set(LIBS ${LIBS} ${PULSEAUDIO_LIBRARIES})
+	set(LIBS ${LIBS} ${PULSEAUDIO_LIBRARIES} CACHE INTERNAL "libs")
 endif()
 
 find_package(OSS)
 if (OSS_FOUND)
-	set(SOURCES ${SOURCES} ad_oss.c)
+	set(SOURCES ${SOURCES} ad_oss.c )
 endif()
 
 find_package(OpenAL)
 if (OPENAL_FOUND)
 	set(SOURCES ${SOURCES} ad_openal.c)
-	set(LIBS ${LIBS} ${OPENAL_LIBRARY})
+	set(LIBS ${LIBS} ${OPENAL_LIBRARY} CACHE INTERNAL "libs")
 	include_directories(${OPENAL_INCLUDE_DIR})
 endif()
 
 find_package(ALSA)
 if (ALSA_FOUND)
 	set(SOURCES ${SOURCES} ad_alsa.c)
-	set(LIBS ${LIBS} ${ALSA_LIBRARIES})
+	set(LIBS ${LIBS} ${ALSA_LIBRARIES} CACHE INTERNAL "libs")
 endif()
 
 add_library(libsphinxad OBJECT ${SOURCES})