Some cleanup:

Changed the optimization value to -O3
Moved the (n)curses autoconf tests to the (n)curses driver section.
Removed commented commands in configure.in
Added define ACS_* test for curses driver

configure.in

@@ -23,10 +23,11 @@ AC_ARG_ENABLE(debug,
 AC_MSG_RESULT($debug)
 
 if test $debug = "yes"; then
+dnl Enable debugging information
 	CFLAGS="-g"
 else
-dnl	CFLAGS="-Wno-unused -O6"
-	CFLAGS="-O6"
+dnl Maximum optimization
+	CFLAGS="-O3"
 fi
 CFLAGS="-Wall $CFLAGS"
 export CFLAGS
@@ -37,12 +38,6 @@ AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_RANLIB
 
-dnl Checks for libraries.
-dnl Replace `main' with a function in -lLCDstuff:
-dnl AC_CHECK_LIB(LCDstuff, main)
-dnl Replace `main' with a function in -lncurses:
-dnl AC_CHECK_LIB(ncurses, main)
-
 dnl Solaris
 AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
 AC_CHECK_FUNC(connect,,[AC_CHECK_LIB(socket,connect)])
@@ -74,7 +69,6 @@ dnl Checks for header files.
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h unistd.h)
-AC_CHECK_HEADERS(curses.h ncurses.h)
 
 dnl Check for particular preprocessor macros