dnl
dnl Configure script for readline library
dnl
dnl report bugs to chet@po.cwru.edu
dnl
dnl Process this file with autoconf to produce a configure script.
AC_REVISION([for Readline 2.2, version 2.07, from autoconf version] AC_ACVERSION)
LIBVERSION=2.2

AC_INIT(readline.h)
AC_CONFIG_HEADER(config.h)

dnl make sure we are using a recent autoconf version
AC_PREREQ(2.10)

AC_CONFIG_AUX_DIR(./support)

AC_CANONICAL_HOST

dnl configure defaults
opt_curses=no
opt_shared=no

dnl arguments to configure
AC_ARG_WITH(curses, --with-curses               use the curses library instead of the termcap library,opt_curses=$withval)

if test "$opt_curses" = "yes"; then
	prefer_curses=yes
fi

# We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1

AC_PROG_CC
AC_MINIX

# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"

AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_PROG_RANLIB

AC_RETSIGTYPE

AC_HEADER_STAT
AC_HEADER_DIRENT

AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)

AC_FUNC_STRCOLL

AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
		sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
		termcap.h termios.h termio.h sys/file.h locale.h)

BASH_SIGNAL_CHECK
BASH_REINSTALL_SIGHANDLERS

BASH_FUNC_POSIX_SETJMP
BASH_FUNC_LSTAT
BASH_CHECK_GETPW_FUNCS
BASH_FUNC_STRCOLL

BASH_TYPE_SIGHANDLER
BASH_HAVE_TIOCGWINSZ
BASH_HAVE_TIOCSTAT
BASH_HAVE_FIONREAD
BASH_MISC_SPEED_T
BASH_STRUCT_WINSIZE
BASH_STRUCT_DIRENT_D_INO
BASH_STRUCT_DIRENT_D_FILENO

dnl yuck
case "$host_os" in
aix*)   prefer_curses=yes ;;
esac
BASH_CHECK_LIB_TERMCAP
if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
	TERMCAP_LIB=-ltermcap	#default
fi

case "$host_cpu" in
*cray*)	LOCAL_CFLAGS=-DCRAY ;;
esac

case "$host_os" in
isc*)	LOCAL_CFLAGS=-Disc386 ;;
esac

BUILD_DIR=`pwd`
AC_SUBST(BUILD_DIR)

AC_SUBST(CFLAGS)
AC_SUBST(LOCAL_CFLAGS)
AC_SUBST(LOCAL_LDFLAGS)
AC_SUBST(LOCAL_DEFS)

AC_SUBST(host_cpu)
AC_SUBST(host_os)

AC_SUBST(LIBVERSION)

AC_SUBST(TERMCAP_LIB)

AC_OUTPUT([Makefile doc/Makefile examples/Makefile],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo > stamp-h
])
