acinclude.m4

PPP协议的实现演示

##   -*- autoconf -*-

dnl    This file is part of the KDE libraries/packages
dnl    Copyright (C) 1997 Janos Farkas ([e-mail])
dnl              (C) 1997,98,99 Stephan Kulow ([e-mail])

dnl    This file is free software; you can redistribute it and/or
dnl    modify it under the terms of the GNU Library General Public
dnl    License as published by the Free Software Foundation; either
dnl    version 2 of the License, or (at your option) any later version.

dnl    This library is distributed in the hope that it will be useful,
dnl    but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
dnl    Library General Public License for more details.

dnl    You should have received a copy of the GNU Library General Public License
dnl    along with this library; see the file COPYING.LIB.  If not, write to
dnl    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
dnl    Boston, MA 02111-1307, USA.

dnl IMPORTANT NOTE:
dnl Please do not modify this file unless you expect your modifications to be
dnl carried into every other module in the repository. If you decide that you
dnl really want to modify it, contact [e-mail] mentioning that you have
dnl and that the modified file should be committed to every module.
dnl
dnl Single-module modifications are best placed in configure.in for kdelibs
dnl and kdebase or configure.in.in if present.


dnl ------------------------------------------------------------------------
dnl Find a file (or one of more files in a list of dirs)
dnl ------------------------------------------------------------------------
dnl
AC_DEFUN(AC_FIND_FILE,
[
$3=NO
for i in $2;
do
  for j in $1;
  do
    if test -r "$i/$j"; then
      $3=$i
      break 2
    fi
  done
done
])

dnl KDE_FIND_PATH(programm-name, variable-name, list of directories,
dnl	if-not-found, test-parameter)
AC_DEFUN(KDE_FIND_PATH,
[
   AC_MSG_CHECKING([for $1])
   kde_cache=`echo $1 | sed 'y%./+-%__p_%'`

   AC_CACHE_VAL(kde_cv_path_$kde_cache,
   [
     kde_cv_path="NONE"
     if test -n "$$2"; then
        kde_cv_path="$$2";
     else
	dirs="$3"
	kde_save_IFS=$IFS
	IFS=':'
	for dir in $PATH; do
	  dirs="$dirs $dir"
        done
	IFS=$kde_save_IFS

        for dir in $dirs; do
	  if test -x "$dir/$1"; then
	    if test -n "$5"
	    then
              evalstr="$dir/$1 $5 2>&1 "
	      if eval $evalstr; then
                kde_cv_path="$dir/$1"
                break
	      fi
            else
		kde_cv_path="$dir/$1"
                break
	    fi
          fi
	done

     fi

     eval "kde_cv_path_$kde_cache=$kde_cv_path"

   ])

   eval "kde_cv_path=\"`echo '$kde_cv_path_'$kde_cache`\""
   if test -z "$kde_cv_path" || test "$kde_cv_path" = NONE; then
      AC_MSG_RESULT(not found)
      $4
   else
      AC_MSG_RESULT($kde_cv_path)
      $2=$kde_cv_path

   fi
])

AC_DEFUN(KDE_MOC_ERROR_MESSAGE,
[
    AC_MSG_ERROR([No Qt meta object compiler (moc) found!
Please check whether you installed Qt correctly.
You need to have a running moc binary.
configure tried to run $ac_cv_path_moc and the test didn't
succeed. If configure shouldn't have tried this one, set
the environment variable MOC to the right one before running
configure.
])
])

dnl ------------------------------------------------------------------------
dnl Find the meta object compiler in the PATH, in $QTDIR/bin, and some
dnl more usual places
dnl ------------------------------------------------------------------------
dnl
AC_DEFUN(AC_PATH_QT_MOC,
[
   KDE_FIND_PATH(moc, MOC, [$ac_qt_bindir $QTDIR/bin $QTDIR/src/moc \
	    /usr/bin /usr/X11R6/bin /usr/lib/qt/bin /usr/lib/qt2/bin \
	    /usr/local/qt/bin], [KDE_MOC_ERROR_MESSAGE])

   if test -z "$MOC"; then
     if test -n "$ac_cv_path_moc"; then
       output=`eval "$ac_cv_path_moc --help 2>&1 | sed -e '1q' | grep Qt"`
     fi
     echo "configure:__oline__: tried to call $ac_cv_path_moc --help 2>&1 | sed -e '1q' | grep Qt" >&AC_FD_CC
     echo "configure:__oline__: moc output: $output" >&AC_FD_CC

     if test -z "$output"; then
       KDE_MOC_ERROR_MESSAGE
    fi
   fi

   AC_SUBST(MOC)
])

AC_DEFUN(KDE_1_CHECK_PATHS,
[
  KDE_1_CHECK_PATH_HEADERS

  KDE_TEST_RPATH=

  if test -n "$USE_RPATH"; then

     if test -n "$kde_libraries"; then
       KDE_TEST_RPATH="-rpath $kde_libraries"
     fi

     if test -n "$qt_libraries"; then
       KDE_TEST_RPATH="$KDE_TEST_RPATH -rpath $qt_libraries"
     fi

     if test -n "$x_libraries"; then
       KDE_TEST_RPATH="$KDE_TEST_RPATH -rpath $x_libraries"
     fi

     KDE_TEST_RPATH="$KDE_TEST_RPATH $KDE_EXTRA_RPATH"
  fi

AC_MSG_CHECKING([for KDE libraries installed])
ac_link='$LIBTOOL_SHELL --silent --mode=link ${CXX-g++} -o conftest $CXXFLAGS $all_includes $CPPFLAGS $LDFLAGS $all_libraries conftest.$ac_ext $LIBS -lkdecore $LIBQT $KDE_TEST_RPATH 1>&5'

if AC_TRY_EVAL(ac_link) && test -s conftest; then
  AC_MSG_RESULT(yes)
else
  AC_MSG_ERROR([your system fails at linking a small KDE application!
Check, if your compiler is installed correctly and if you have used the
same compiler to compile Qt and kdelibs as you did use now])
fi

if eval `KDEDIR= ./conftest 2>&5`; then
  kde_result=done
else
  kde_result=problems
fi

KDEDIR= ./conftest 2> /dev/null >&5 # make an echo for config.log
kde_have_all_paths=yes
AC_LANG_CPLUSPLUS

KDE_SET_PATHS($kde_result)

])

AC_DEFUN(KDE_SET_PATHS,
[
  kde_cv_all_paths="kde_have_all_paths=\"yes\" \
	kde_htmldir=\"$kde_htmldir\" \
	kde_appsdir=\"$kde_appsdir\" \
	kde_icondir=\"$kde_icondir\" \
	kde_sounddir=\"$kde_sounddir\" \
	kde_datadir=\"$kde_datadir\" \
	kde_locale=\"$kde_locale\" \
	kde_cgidir=\"$kde_cgidir\" \
	kde_confdir=\"$kde_confdir\" \
	kde_mimedir=\"$kde_mimedir\" \
	kde_toolbardir=\"$kde_toolbardir\" \
	kde_wallpaperdir=\"$kde_wallpaperdir\" \
	kde_bindir=\"$kde_bindir\" \
	kde_servicesdir=\"$kde_servicesdir\" \
	kde_servicetypesdir=\"$kde_servicetypesdir\" \
	kde_result=$1"
])

AC_DEFUN(AC_CREATE_KFSSTND,
[
AC_REQUIRE([AC_CHECK_RPATH])

AC_MSG_CHECKING([for KDE paths])
kde_result=""

AC_CACHE_VAL(kde_cv_all_paths,
[
if test "$1" = "default"; then

  if test -z "$kde_htmldir"; then
    kde_htmldir='\$(prefix)/share/doc/HTML'
  fi
  if test -z "$kde_appsdir"; then
    kde_appsdir='\$(prefix)/share/applnk'
  fi
  if test -z "$kde_icondir"; then
    kde_icondir='\$(prefix)/share/icons'
  fi
  if test -z "$kde_sounddir"; then
    kde_sounddir='\$(prefix)/share/sounds'
  fi
  if test -z "$kde_datadir"; then
    kde_datadir='\$(prefix)/share/apps'
  fi
  if test -z "$kde_locale"; then
    kde_locale='\$(prefix)/share/locale'
  fi
  if test -z "$kde_cgidir"; then
    kde_cgidir='\$(exec_prefix)/cgi-bin'
  fi
  if test -z "$kde_confdir"; then
    kde_confdir='\$(prefix)/share/config'
  fi
  if test -z "$kde_mimedir"; then
    kde_mimedir='\$(prefix)/share/mimelnk'
  fi
  if test -z "$kde_toolbardir"; then
    kde_toolbardir='\$(prefix)/share/toolbar'
  fi
  if test -z "$kde_wallpaperdir"; then
    kde_wallpaperdir='\$(prefix)/share/wallpapers'
  fi
  if test -z "$kde_bindir"; then
    kde_bindir='\$(exec_prefix)/bin'
  fi
  if test -z "$kde_servicesdir"; then
    kde_servicesdir='\$(prefix)/share/services'
  fi
  if test -z "$kde_servicetypesdir"; then
    kde_servicetypesdir='\$(prefix)/share/servicetypes'
  fi

  KDE_SET_PATHS(defaults)

else

  if test $kde_qtver = 1; then
     AC_MSG_RESULT([compiling])
     KDE_1_CHECK_PATHS
  else
     AC_MSG_ERROR([path checking not yet supported for KDE 2])
  fi

fi

])

eval "$kde_cv_all_paths"

if test -z "$kde_htmldir" || test -z "$kde_appsdir" ||
   test -z "$kde_icondir" || test -z "$kde_sounddir" ||
   test -z "$kde_datadir" || test -z "$kde_locale"  ||
   test -z "$kde_cgidir"  || test -z "$kde_confdir" ||
   test -z "$kde_mimedir" || test -z "$kde_toolbardir" ||
   test -z "$kde_wallpaperdir" || test -z "$kde_bindir" ||
   test -z "$kde_servicesdir" ||
   test -z "$kde_servicetypesdir" || test "$kde_have_all_paths" != "yes"; then
  kde_have_all_paths=no
  AC_MSG_ERROR([configure could not run a little KDE program to test the environment.
Since it had compiled and linked before, it must be a strange problem on your system.
Look at config.log for details. If you are not able to fix this, look at
http://www.kde.org/faq/installation.html or any www.kde.org mirror.
(If you're using an egcs version on Linux, you may update binutils!)
])
else
  rm -f conftest*
  AC_MSG_RESULT($kde_result)
fi

bindir=$kde_bindir

])

AC_DEFUN(AC_SUBST_KFSSTND,
[
AC_SUBST(kde_htmldir)
AC_SUBST(kde_appsdir)
AC_SUBST(kde_icondir)
AC_SUBST(kde_sounddir)
AC_SUBST(kde_datadir)
AC_SUBST(kde_locale)
AC_SUBST(kde_cgidir)
AC_SUBST(kde_confdir)
AC_SUBST(kde_mimedir)
AC_SUBST(kde_toolbardir)
AC_SUBST(kde_wallpaperdir)
AC_SUBST(kde_bindir)
dnl for KDE 2
AC_SUBST(kde_servicesdir)
AC_SUBST(kde_servicetypesdir)
if test "$kde_qtver" = 1; then
  kde_minidir="$kde_icondir/mini"
else
# for KDE 1 - this breaks KDE2 apps using minidir, but
# that's the plan ;-/
  kde_minidir="/dev/null"
fi
AC_SUBST(kde_minidir)
])

AC_DEFUN(KDE_MISC_TESTS,
[
   AC_LANG_C
   dnl Checks for libraries.
   AC_CHECK_LIB(compat, main, [LIBCOMPAT="-lcompat"]) dnl for FreeBSD
   AC_SUBST(LIBCOMPAT)
   kde_have_crypt=
   AC_CHECK_LIB(crypt, crypt, [LIBCRYPT="-lcrypt"; kde_have_crypt=yes],
      AC_CHECK_LIB(c, crypt, [kde_have_crypt=yes], [
        AC_MSG_WARN([you have no crypt in either libcrypt or libc.
You should install libcrypt from another source or configure with PAM
support])
	kde_have_crypt=no
      ]))
   AC_SUBST(LIBCRYPT)
   if test $kde_have_crypt = yes; then
      AC_DEFINE_UNQUOTED(HAVE_CRYPT, 1, [Defines if your system has the crypt function])
   fi
   AC_CHECK_KSIZE_T
   AC_LANG_C
   AC_CHECK_LIB(dnet, dnet_ntoa, [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"])
   if test $ac_cv_lib_dnet_dnet_ntoa = no; then
      AC_CHECK_LIB(dnet_stub, dnet_ntoa,
        [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"])
   fi
   AC_CHECK_FUNC(inet_ntoa)
   if test $ac_cv_func_inet_ntoa = no; then
     AC_CHECK_LIB(nsl, inet_ntoa, X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl")
   fi
   AC_CHECK_FUNC(connect)
   if test $ac_cv_func_connect = no; then
      AC_CHECK_LIB(socket, connect, X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS", ,
        $X_EXTRA_LIBS)
   fi

   AC_CHECK_FUNC(remove)
   if test $ac_cv_func_remove = no; then
      AC_CHECK_LIB(posix, remove, X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix")
   fi

   # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
   AC_CHECK_FUNC(shmat)
   if test $ac_cv_func_shmat = no; then
     AC_CHECK_LIB(ipc, shmat, X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc")
   fi

   LIBSOCKET="$X_EXTRA_LIBS"
   AC_SUBST(LIBSOCKET)
   AC_SUBST(X_EXTRA_LIBS)
   AC_CHECK_LIB(ucb, killpg, [LIBUCB="-lucb"]) dnl for Solaris2.4
   AC_SUBST(LIBUCB)

   case $host in  dnl this *is* LynxOS specific
   *-*-lynxos* )
        AC_MSG_CHECKING([LynxOS header file wrappers])
        [CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"]
        AC_MSG_RESULT(disabled)
        AC_CHECK_LIB(bsd, gethostbyname, [LIBSOCKET="-lbsd"]) dnl for LynxOS
         ;;
    esac

   AC_REQUIRE([KDE_CHECK_LIBDL])
   AC_CHECK_BOOL
])

dnl ------------------------------------------------------------------------
dnl Find the header files and libraries for X-Windows. Extended the
dnl macro AC_PATH_X
dnl ------------------------------------------------------------------------
dnl
AC_DEFUN(K_PATH_X,
[
AC_REQUIRE([AC_PROG_CPP])
AC_MSG_CHECKING(for X)
AC_LANG_SAVE
AC_LANG_C
AC_CACHE_VAL(ac_cv_have_x,
[# One or both of the vars are not set, and there is no cached value.
if test "{$x_includes+set}" = set || test "$x_includes" = NONE; then
   kde_x_includes=NO
else
   kde_x_includes=$x_includes
fi
if test "{$x_libraries+set}" = set || test "$x_libraries" = NONE; then
   kde_x_libraries=NO
else
   kde_x_libraries=$x_libraries
fi

# below we use the standard autoconf calls
ac_x_libraries=$kde_x_libraries
ac_x_includes=$kde_x_includes

AC_PATH_X_DIRECT
AC_PATH_X_XMKMF
if test -z "$ac_x_includes"; then
ac_x_includes="."
fi
if test -z "$ac_x_libraries"; then
ac_x_libraries="/usr/lib"
fi
#from now on we use our own again

# when the user already gave --x-includes, we ignore
# what the standard autoconf macros told us.
if test "$kde_x_includes" = NO; then
  kde_x_includes=$ac_x_includes
fi

if test "$kde_x_includes" = NO; then
  AC_MSG_ERROR([Can't find X includes. Please check your installation and add the correct paths!])
fi

if test "$ac_x_libraries" = NO; then
  AC_MSG_ERROR([Can't find X libraries. Please check your installation and add the correct paths!])
fi

# Record where we found X for the cache.
ac_cv_have_x="have_x=yes \
         kde_x_includes=$kde_x_includes ac_x_libraries=$ac_x_libraries"
])dnl
eval "$ac_cv_have_x"

if test "$have_x" != yes; then
  AC_MSG_RESULT($have_x)
  no_x=yes
else
  AC_MSG_RESULT([libraries $ac_x_libraries, headers $kde_x_includes])
fi

if test -z "$kde_x_includes" || test "x$kde_x_includes" = xNONE; then
  X_INCLUDES=""
  x_includes="."; dnl better than nothing :-
 else
  x_includes=$kde_x_includes
  X_INCLUDES="-I$x_includes"
fi

if test -z "$ac_x_libraries" || test "x$ac_x_libraries" = xNONE; then
  X_LDFLAGS=""
  x_libraries="/usr/lib"; dnl better than nothing :-
 else
  x_libraries=$ac_x_libraries
  X_LDFLAGS="-L$x_libraries"
fi
all_includes="$X_INCLUDES"
all_libraries="$X_LDFLAGS"

AC_SUBST(X_INCLUDES)
AC_SUBST(X_LDFLAGS)
AC_SUBST(x_libraries)
AC_SUBST(x_includes)

# Check for libraries that X11R6 Xt/Xaw programs need.
ac_save_LDFLAGS="$LDFLAGS"
test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries"
# SM needs ICE to (dynamically) link under SunOS 4.x (so we have to
# check for ICE first), but we must link in the order -lSM -lICE or
# we get undefined symbols.  So assume we have SM if we have ICE.
# These have to be linked with before -lX11, unlike the other
# libraries we check for below, so use a different variable.
#  [e-mail], [e-mail].
AC_CHECK_LIB(ICE, IceConnectionNumber,
  [LIBSM="$X_PRELIBS -lSM"], , $X_EXTRA_LIBS)
AC_SUBST(LIBSM)
LDFLAGS="$ac_save_LDFLAGS"

AC_SUBST(X_PRE_LIBS)

LIB_X11='-lX11 $(LIBSOCKET)'
AC_SUBST(LIB_X11)

AC_MSG_CHECKING(for libXext)
AC_CACHE_VAL(kde_cv_have_libXext,
[
kde_ldflags_safe="$LDFLAGS"
kde_libs_safe="$LIBS"

LDFLAGS="$X_LDFLAGS $USER_LDFLAGS"
LIBS="-lXext -lX11 $LIBSOCKET"