dnl Process this file with autoconf to produce a configure script.

AC_INIT(io-term.c)
AC_SUBST(LIBS)

dnl Checks for programs:
AC_PROG_CC
AC_PROG_CPP
AC_PROG_YACC
AC_PROG_INSTALL

dnl Checks for UNIX variants that set `DEFS':
AC_ISC_POSIX

dnl Checks for header files:
AC_STDC_HEADERS
AC_UNISTD_H
AC_DIR_HEADER
AC_HAVE_HEADERS(sys/time.h string.h memory.h sys/select.h)
AC_HEADER_CHECK(X11/X.h, AC_DEFINE(HAVE_X11_X_H); LIBS="$LIBS -lX11")

dnl checks for functions
AC_RETSIGTYPE
AC_ALLOCA
AC_REPLACE_FUNCS(random)

dnl Replace vfprintf and vsprintf.
dnl If either needs to be replaced, replace _doprnt.
need_doprnt=
AC_COMPILE_CHECK([vfprintf], , [vfprintf();], ,
[LIBOBJS="$LIBOBJS vfprintf.o"; need_doprnt=1])
AC_COMPILE_CHECK([vsprintf], , [vsprintf();], ,
[LIBOBJS="$LIBOBJS vsprintf.o"; need_doprnt=1])
if test $need_doprnt; then
  AC_REPLACE_FUNCS(_doprnt)
fi

AC_HAVE_LIBRARY(termlib, \
		LIBS="$LIBS -lcurses -ltermlib", \
		AC_HAVE_LIBRARY(termcap, \
				LIBS="$LIBS -lcurses -ltermcap", \
				LIBS="$LIBS -lcurses"))

LIBS_save="$LIBS"
LIBS="$LIBS -lm"
AC_HAVE_FUNCS(rint rename \
	      getcap stricmp strincmp cbreak \
	      strdup strstr)
LIBS="$LIBS_save"

AC_OUTPUT(Makefile)