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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 4.1, version 2.22, from autoconf version] AC_ACVERSION)

LIBVERSION=4.1

AC_INIT(readline.h)

AC_CONFIG_HEADER(config.h)

dnl make sure we are using a recent autoconf version

AC_PREREQ(2.10)

dnl 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

dnl AC_AIX

AC_MINIX

dnl BEGIN changes for CYGNUS cross-building for Cygwin

dnl load up the cross-building cache file -- add more cases and cache

dnl files as necessary

if test "x$cross_compiling" = "xyes"; then

    case "${host}" in

    *-cygwin*)

        cross_cache=${srcdir}/cross-build/cygwin.cache

        if test -r "${cross_cache}"; then

            echo "loading cross-build cache file ${cross_cache}"

            . ${cross_cache}

        fi

        LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"

        unset cross_cache

        ;;

    *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2

        ;;

    esac

fi

if test "x$cross_compiling" = "xyes"; then

  CROSS_COMPILING_FLAG=-DCROSS_COMPILING

else

  CROSS_COMPILING_FLAG=

fi

AC_SUBST(CROSS_COMPILING_FLAG)

if test -z "$CC_FOR_BUILD"; then

    if test "x$cross_compiling" = "xno"; then

        CC_FOR_BUILD='$(CC)'

    else

        CC_FOR_BUILD=gcc

    fi

fi

AC_SUBST(CC_FOR_BUILD)

dnl END changes for CYGNUS cross-building for Cygwin

# 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_CHECK_PROG(AR, ar, ar)

dnl Set default for ARFLAGS, since autoconf does not have a macro for it.

dnl This allows people to set it when running configure or make

test -n "$ARFLAGS" || ARFLAGS="cr"

AC_PROG_RANLIB

MAKE_SHELL=/bin/sh

AC_SUBST(MAKE_SHELL)

AC_RETSIGTYPE

AC_HEADER_STAT

AC_HEADER_DIRENT

AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \

                strcasecmp tcgetattr)

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 ;;

*s390*) LOCAL_CFLAGS=-fsigned-char ;;

esac

case "$host_os" in

isc*)   LOCAL_CFLAGS=-Disc386 ;;

esac

# shared library configuration section

#

# Shared object configuration section.  These values are generated by

# ${srcdir}/support/shobj-conf

#

if test -f ${srcdir}/support/shobj-conf; then

        AC_MSG_CHECKING(configuration for building shared libraries)

        eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`

        AC_SUBST(SHOBJ_CC)

        AC_SUBST(SHOBJ_CFLAGS)

        AC_SUBST(SHOBJ_LD)

        AC_SUBST(SHOBJ_LDFLAGS)

        AC_SUBST(SHOBJ_XLDFLAGS)

        AC_SUBST(SHOBJ_LIBS)

        AC_SUBST(SHOBJ_STATUS)

        AC_SUBST(SHLIB_STATUS)

        AC_SUBST(SHLIB_XLDFLAGS)

        AC_SUBST(SHLIB_LIBSUFF)

        AC_SUBST(SHLIB_LIBVERSION)

        AC_SUBST(SHLIB_LIBS)

        AC_MSG_RESULT($SHLIB_STATUS)

        # shared library versioning

        # quoted for m4 so I can use character classes

        SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]

        SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]

        AC_SUBST(SHLIB_MAJOR)

        AC_SUBST(SHLIB_MINOR)

fi

case "$host_os" in

msdosdjgpp*)    BUILD_DIR=`pwd.exe` ;;  # to prevent //d/path/file

*)              BUILD_DIR=`pwd` ;;

esac

AC_SUBST(BUILD_DIR)

AC_SUBST(CFLAGS)

AC_SUBST(LOCAL_CFLAGS)

AC_SUBST(LOCAL_LDFLAGS)

AC_SUBST(LOCAL_DEFS)

AC_SUBST(AR)

AC_SUBST(ARFLAGS)

AC_SUBST(host_cpu)

AC_SUBST(host_os)

AC_SUBST(LIBVERSION)

AC_SUBST(TERMCAP_LIB)

AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],

[

# Makefile uses this timestamp file to record whether config.h is up to date.

echo > stamp-h

])