PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore)
PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty)
PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm)
+PKG_CHECK_MODULES(LIBOSMOCODEC, libosmocodec)
AC_CHECK_LIB(gps, gps_waiting, CFLAGS+=" -D_HAVE_GPSD" LDFLAGS+=" -lgps",,)
dnl checks for header files