--- configure.ac.orig	2017-04-27 20:18:19 UTC
+++ configure.ac
@@ -4,7 +4,7 @@
 ## Settings for generating a configure file 
 
 AC_PREREQ([2.69])
-AC_INIT([tRNAscan-SE],[2.0.0],[pchan@soe.ucsc.edu])
+AC_INIT([tRNAscan-SE],[2.0.0],[pchan@soe.ucsc.edu],[tRNAscan-SE])
 AC_CONFIG_HEADERS([config.h])
 
 # Checks for programs.
@@ -33,7 +33,8 @@ AC_TYPE_SIZE_T
 # Checks for library functions.
 AC_FUNC_MALLOC
 AC_FUNC_REALLOC
-AC_CHECK_FUNCS([bzero memset re_comp regcomp sqrt strcasecmp strchr strstr])
+AC_CHECK_FUNCS([bzero memset re_comp regcomp strcasecmp strchr strstr])
+AC_SEARCH_LIBS([sqrt],[m])
 
 # use automake
 AM_INIT_AUTOMAKE([foreign])