@@ -79,10 +79,13 @@
 dnl Check for PC/SC headers and libraries
 DC_PCSC
 
 dnl Check for ZLIB libraries
 AC_CHECK_LIB(z, uncompress)
+
+dnl Check for dl headers and functions
+DC_DLFUNCS
 
 dnl Verify that a basic program will compile
 AC_CACHE_CHECK([if basic PC/SC program works], cackey_cv_pcsc_works, [
 	AC_LINK_IFELSE(
 		AC_LANG_PROGRAM([[