source: main/branches/64_bit_Greenstone/greenstone3/src/packages/javagdbm/configure.in@ 23632

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

dnl autoconf configuration script for the JNI part of the 
dnl au.com.pharos.gdbm Java package
dnl $Id: configure.in 23632 2011-01-25 01:48:39Z sjm84 $

AC_REVISION($Revision: 23632 $)

# Copyright (C) 1997 by Pharos IP Pty Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

AC_INIT(jni/gdbmjava.c)

dnl
dnl look for libgdbm if not in standard location
dnl
AC_ARG_WITH(gdbm, [  --with-gdbm=dir         Use local gdbm library and headers], gdbmdir=$withval)

dnl get $target_cpu, $target_vendor, and $target_os
dnl (as well as host_*)
AC_CANONICAL_SYSTEM

# TODO: allow the user to specify whether they want a debugging
# library or not?

# check for compilers and other tools
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S

dnl AC_MSG_CHECKING(to see if architecture is 64-bit)
dnl arch_64bit=no
dnl case "$host_cpu" in
dnl x86_64) arch_64bit=yes ;;
dnl esac

AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)

######## check for the JDK and tools within the JDK
######## look in the JAVA_HOME environment variable at configure-time
AC_MSG_CHECKING([for the JDK])
if test "z$JAVA_HOME" != z &&
   test -d $JAVA_HOME && 
   test -d $JAVA_HOME/include
then
    AC_SUBST(JAVA_HOME)
    AC_MSG_RESULT([found in $JAVA_HOME])
else
    AC_MSG_ERROR([not found in \$JAVA_HOME])
fi

# TODO: Check for specific header files in the JDK, or
# functions/definitions within those headers?

# TODO: guess which include directory to use under the JDK

AC_PATH_PROG(javagdbm_cv_path_javah, javah, missing_javah)
if test "$javagdbm_cv_path_javah" = missing_javah; then
    AC_MSG_ERROR([javah not found.])
fi

AC_PATH_PROG(javagdbm_cv_path_java, java, missing)
if test "$javagdbm_cv_path_java" = missing; then
    AC_MSG_ERROR([java not found.])
fi

# check for gdbm library
#AC_CHECK_LIB(gdbm, gdbm_open, [javagdbm_cv_lib_gdbm="-lgdbm"],
#   [javagdbm_cv_lib_gdbm=no])
#if test "$javagdbm_cv_lib_gdbm" = "no"; then
#   AC_MSG_ERROR([no native gdbm library found.])
#fi
#LIBS="$javagdbm_cv_lib_gdbm"

# gdbm stuff copied from gsdl [kjdon]

dnl
dnl Check that the GDBM library is available
dnl
dnl check libgdbm manually, in case it's not in the standard location.

AC_MSG_CHECKING(that the GDBM library is available)
if test ! -z "$gdbmdir" ; then
  # look in given directory for header file
  if test -r $gdbmdir/include/gdbm.h ; then
    GDBM_INCLUDE="-I$gdbmdir/include" ;
  elif test -r $gdbmdir/gdbm.h ; then
    GDBM_INCLUDE="-I$gdbmdir" ;
  fi

  # look in given directory for library
  if test -r $gdbmdir/libgdbm.a ; then
    GDBM_LIBPATH="-L$gdbmdir" ;
  elif test -r $gdbmdir/lib/libgdbm.a ; then
    GDBM_LIBPATH="-L$gdbmdir/lib" ;
  elif test -r $gdbmdir/.libs/libgdbm.a ; then
    GDBM_LIBPATH="-L$gdbmdir/.libs" ;
  fi

  if test ! -z "$GDBM_LIBPATH" -a ! -z "$GDBM_INCLUDE" ; then
    AC_MSG_RESULT($gdbmdir) ;
  else
    AC_MSG_RESULT(can't find gdbm.h and libgdbm.a in $gdbmdir);
    AC_MSG_CHECKING(   looking for GDBM library in default locations)
  fi
fi

# look in default path and in /usr/local
if test -z "$GDBM_INCLUDE" ; then
  # try in system directory 
  AC_TRY_COMPILE(
  [#include <gdbm.h>
],
  [],
  success=yes,
  success=no
  )

  if test $success = "no"; then
# last chance - look in /usr/local (eg FreeBSD)
    GDBM_LIBPATH=-L/usr/local/lib
    GDBM_INCLUDE=-I/usr/local/include
    ac_save_CXXFLAGS="$CXXFLAGS"
    ac_save_LIBS="$LIBS"
      CXXFLAGS="$CXXFLAGS -I/usr/local/include"
      LIBS="$LIBS -L/usr/local/lib -lgdbm"
      AC_TRY_LINK(
    [#include <gdbm.h>
#include <stdio.h>
    ],
    [printf("%s",gdbm_version);],
    success=/usr/local,
    success=no
      )
      CXXFLAGS=$ac_save_CXXFLAGS
      LIBS=$ac_save_LIBS
  fi

  AC_MSG_RESULT($success)
  if test $success = "no"; then
  AC_MSG_ERROR(GDBM Library not available - cannot install)
  fi
fi
dnl I don't think anything actually checks this define, but...
AC_DEFINE(HAVE_LIBGDBM , 1)

AC_SUBST(GDBM_LIBPATH)
AC_SUBST(GDBM_INCLUDE)

########## set compiler options
# TODO: is there a more appropriate way to guess which switches to use
# with which systems/compilers?
CFLAGS="-Wall -O2 -fpic"
PKG="au.com.pharos.gdbm"
AC_SUBST(CFLAGS)
AC_SUBST(PKG)
AC_SUBST(LIBS)

# we need to set an extended JNI path for Mac OS/Darwin, as jni.h is on
# a non-standard Path
# is there a better way to do this??
AC_MSG_CHECKING(for OS to set JNI options)
# set defaults
JNIINC=""
JNISUFFIX="so"
JNIFLAGS="-shared"

if test "`(uname -s) 2> /dev/null`" = 'Darwin'; then
  AC_MSG_RESULT(Darwin)
  JNIINC="-I/System/Library/Frameworks/JavaVM.framework/Headers/ "
  JNISUFFIX="jnilib"
  JNIFLAGS="-dynamiclib -fno-common -single_module -framework JavaVM"
fi
if test "`(uname -s) 2> /dev/null`" = 'SunOS'; then
  AC_MSG_RESULT(Solaris)
  JNIINC="-I\$(JAVA_HOME)/include/solaris "
fi
if test "`(uname -s) 2> /dev/null`" = 'Linux'; then
  AC_MSG_RESULT(Linux)
  JNIINC="-I\$(JAVA_HOME)/include/linux "
fi

AC_SUBST(JNIINC)
AC_SUBST(JNISUFFIX)
AC_SUBST(JNIFLAGS)

# write the output
AC_OUTPUT([Makefile jni/Makefile java/Makefile])