diff -r 87dfadd61e0d configure
--- a/configure	Thu Feb 04 01:24:56 2016 -0500
+++ b/configure	Thu Feb 04 17:02:29 2016 +0200
@@ -6691,11 +6691,11 @@
                     OPT="-g -O0 -Wall $STRICT_PROTO"
                 fi
 	    else
-		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO"
+		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO -fdata-sections -ffunction-sections -Wl,--gc-sections"
 	    fi
 	    ;;
 	*)
-	    OPT="-O3 -Wall $STRICT_PROTO"
+	    OPT="-O3 -Wall $STRICT_PROTO -fdata-sections -ffunction-sections -Wl,--gc-sections"
 	    ;;
 	esac
 	case $ac_sys_system in
diff -r 87dfadd61e0d configure.ac
--- a/configure.ac	Thu Feb 04 01:24:56 2016 -0500
+++ b/configure.ac	Thu Feb 04 17:02:29 2016 +0200
@@ -1329,11 +1329,11 @@
                     OPT="-g -O0 -Wall $STRICT_PROTO"
                 fi
 	    else
-		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO"
+		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO -fdata-sections -ffunction-sections -Wl,--gc-sections"
 	    fi
 	    ;;
 	*)
-	    OPT="-O3 -Wall $STRICT_PROTO"
+	    OPT="-O3 -Wall $STRICT_PROTO -fdata-sections -ffunction-sections -Wl,--gc-sections"
 	    ;;
 	esac
 	case $ac_sys_system in