aclocal.m4

dnl aclocal.m4 generated automatically by aclocal 1.4

dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.

dnl acinclude.m4 - aclocal include file for "aclocal.m4"
dnl Copyright 2000  Jochen Voss
dnl $Id: acinclude.m4,v 1.2 2000/03/17 23:04:17 voss Rel $

dnl The idea of this tests, is to be as simple, as possible.
dnl The only special case we check for, is old versions of
dnl ncurses.  Any other problems must be handled by the user
dnl via configure's --with-curses-includedir,
dnl --with-curses-header, and --with-curses-libs options.

AC_DEFUN(AC_CHECK_CURSES,[
  dnl step 1: find the correct preprocessor flags
  dnl         This is completely left to the user.
  AC_MSG_CHECKING("for curses preprocessor flags")
  AC_ARG_WITH(curses-includedir,
    [  --with-curses-includedir[=DIR]
                          special header file location for the curses library
			  [none]],[
    case "$withval" in
      yes|no) ;;
      *) CURSES_INCLUDEDIR="-I$withval" ;;
    esac
  ])
  AC_SUBST(CURSES_INCLUDEDIR)
  if test -z "$CURSES_INCLUDEDIR"; then
    mb_result="none"
  else
    mb_result="$CURSES_INCLUDEDIR"
  fi
  AC_MSG_RESULT($mb_result)


  dnl step 2: find the correct header file name
  dnl         When nothing is specified on the command line, we try to guess.
  AC_ARG_WITH(curses-header,
    [  --with-curses-header[=ARG]
                          the curses header file name (including brackets)
			  [<curses.h>]],[
    case "$withval" in
      yes|no) ;;
      *) CURSES_HEADER="$withval" ;;
    esac
  ])
  if test -z "$CURSES_HEADER"; then
    mb_save_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $CURSES_INCLUDEDIR"
    AC_CHECK_HEADERS(curses.h ncurses.h ncurses/ncurses.h ncurses/curses.h, break)
    CPPFLAGS="$mb_save_CPPFLAGS"

    if test "$ac_cv_header_curses_h" = yes; then
      CURSES_HEADER="<curses.h>"
    elif test "$ac_cv_header_ncurses_h" = yes; then
      CURSES_HEADER="<ncurses.h>"
    elif test "$ac_cv_header_ncurses_ncurses_h" = yes; then
      CURSES_HEADER="<ncurses/ncurses.h>"
    elif test "$ac_cv_header_ncurses_curses_h" = yes; then
      CURSES_HEADER="<ncurses/curses.h>"
    fi
  fi
  AC_MSG_CHECKING("how to include the curses header file")
  if test -n "$CURSES_HEADER"; then
    AC_DEFINE_UNQUOTED(CURSES_HEADER, $CURSES_HEADER, [define to the curses header file name (including brackets). ])
    AC_MSG_RESULT($CURSES_HEADER)
  else
    AC_MSG_RESULT("unknown")
    AC_MSG_WARN([no curses header found, try --with-curses-header])
  fi


  dnl step 3: try to find the correct linker flags
  dnl         When nothing is specified on the command line, we try to guess.
  AC_ARG_WITH(curses-libs,
    [  --with-curses-libs[=ARG]
                          the -l and -L linker flags for the curses library
			  [-lcurses]],[
    case "$withval" in
      yes|no) ;;
      *) CURSES_LIBS="$withval" ;;
    esac
  ])
  if test -z "$CURSES_LIBS"; then
    AC_CHECK_LIB(curses,initscr,CURSES_LIBS=-lcurses)
    if test -z "$CURSES_LIBS"; then
      AC_CHECK_LIB(ncurses,initscr,CURSES_LIBS=-lncurses)
    fi
  fi
  AC_MSG_CHECKING("for curses linker flags")
  if test -n "$CURSES_LIBS"; then
    AC_SUBST(CURSES_LIBS)
    AC_MSG_RESULT($CURSES_LIBS)
  else
    AC_MSG_RESULT("unknown")
    AC_MSG_WARN([curses library not found, try --with-curses-libs])
  fi
])

# Do all the work for Automake.  This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.

# serial 1

dnl Usage:
dnl AM_INIT_AUTOMAKE(package,version, [no-define])

AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
PACKAGE=[$1]
AC_SUBST(PACKAGE)
VERSION=[$2]
AC_SUBST(VERSION)
dnl test to see if srcdir already configured
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
fi
ifelse([$3],,
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
dnl FIXME This is truly gross.
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])

#
# Check to make sure that the build environment is sane.
#

AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
   if test "[$]*" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftestfile`
   fi
   if test "[$]*" != "X $srcdir/configure conftestfile" \
      && test "[$]*" != "X conftestfile $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
alias in your environment])
   fi

   test "[$]2" = conftestfile
   )
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])

dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
dnl The program must properly implement --version.
AC_DEFUN(AM_MISSING_PROG,
[AC_MSG_CHECKING(for working $2)
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf.  Sigh.
if ($2 --version) < /dev/null > /dev/null 2>&1; then
   $1=$2
   AC_MSG_RESULT(found)
else
   $1="$3/missing $2"
   AC_MSG_RESULT(missing)
fi
AC_SUBST($1)])

# Like AC_CONFIG_HEADER, but automatically create stamp file.

AC_DEFUN(AM_CONFIG_HEADER,
[AC_PREREQ([2.12])
AC_CONFIG_HEADER([$1])
dnl When config.status generates a header, we must update the stamp-h file.
dnl This file resides in the same directory as the config header
dnl that is generated.  We must strip everything past the first ":",
dnl and everything past the last "/".
AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
<<am_indx=1
for am_file in <<$1>>; do
  case " <<$>>CONFIG_HEADERS " in
  *" <<$>>am_file "*<<)>>
    echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
    ;;
  esac
  am_indx=`expr "<<$>>am_indx" + 1`
done<<>>dnl>>)
changequote([,]))])

# Define a conditional.

AC_DEFUN(AM_CONDITIONAL,
[AC_SUBST($1_TRUE)
AC_SUBST($1_FALSE)
if $2; then
  $1_TRUE=
  $1_FALSE='#'
else
  $1_TRUE='#'
  $1_FALSE=
fi])