configure.in   [plain text]

AC_PREREQ(2.57)
AC_REVISION($Id: configure.in,v 1.3 2004/11/11 01:52:35 luesang Exp $)
#
#  configure.in
#  
#  The iODBC driver manager.
#  
#  Copyright (C) 1995 by Ke Jin <kejin@empress.com> 
#  Copyright (C) 1996-2002 by OpenLink Software <iodbc@openlinksw.com>
#  All Rights Reserved.
#
#  This software is released under the terms of either of the following
#  licenses:
#
#      - GNU Library General Public License (see LICENSE.LGPL) 
#      - The BSD License (see LICENSE.BSD).
#
#  While not mandated by the BSD license, any patches you make to the
#  iODBC source code may be contributed back into the iODBC project
#  at your discretion. Contributions will benefit the Open Source and
#  Data Access community as a whole. Submissions may be made at:
#
#      http://www.iodbc.org
#
#
#  GNU Library Generic Public License Version 2
#  ============================================
#  This library is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Library General Public
#  License as published by the Free Software Foundation; either
#  version 2 of the License, or (at your option) any later version.
#
#  This library 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
#  Library General Public License for more details.
#
#  You should have received a copy of the GNU Library General Public
#  License along with this library; if not, write to the Free
#  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#
#  The BSD License
#  ===============
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in
#     the documentation and/or other materials provided with the
#     distribution.
#  3. Neither the name of OpenLink Software Inc. nor the names of its
#     contributors may be used to endorse or promote products derived
#     from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL OPENLINK OR
#  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
#  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


##########################################################################
##									##
##  Initialization							##
##									##
##########################################################################
AC_INIT([iODBC Driver Manager],
        [3.52.1],
	[iodbc@openlinksw.com],
	[libiodbc])
AC_CONFIG_SRCDIR([include/isql.h])
AC_CONFIG_AUX_DIR(admin)
AM_CONFIG_HEADER(include/config.h)
AM_INIT_AUTOMAKE(AC_PACKAGE_TARNAME, AC_PACKAGE_VERSION)
AC_CANONICAL_HOST
AM_MAINTAINER_MODE


##########################################################################
##									##
##  Version information							##
##									##
#########################################################################

#
#  Version information for SQLGetInfo(SQL_DM_VER) call
#
BUILD_MAJOR="1"			# last digit of version number
BUILD_MINOR="0928"		# month/day of release
BUILD_VER="${BUILD_MAJOR}${BUILD_MINOR}"

#
#  Library version numbers
#
lib3_version=3:10:1		# ODBC 3.x mode
lib2_version=2:55:0		# ODBC 2.x mode (do not change)


##########################################################################
##									##
##  Check whether config.cache belongs to this machine			##
##									##
##########################################################################
AC_MSG_CHECKING(cached information)
hostcheck="$host"
AC_CACHE_VAL(ac_cv_hostcheck, [ ac_cv_hostcheck="$hostcheck" ])
if test "$ac_cv_hostcheck" != "$hostcheck"; then
  AC_MSG_RESULT(changed)

  AC_MSG_WARN([Running on a different architecture.])
  AC_MSG_WARN([Can't use cached values.])
  AC_MSG_ERROR([Please remove the invalid config.cache file, then try again.])
else
  AC_MSG_RESULT(ok)
fi


##########################################################################
##									##
##  Save configuration for later reuse					##
##									##
##########################################################################
echo creating config.nice
rm -f config.nice 
cat >config.nice<<CONFIG_NICE_EOF
#! /bin/sh
#
# Created by configure for $PACKAGE_STRING
#

CONFIG_NICE_EOF
echo ${SHELL} "\"$0\" \\" >> config.nice
for arg in $ac_configure_args
do
    echo "$arg \\" >> config.nice
done
echo '"$@"' >> config.nice
chmod +x config.nice


##########################################################################
##									##
##  Set Layout for iODBC						##
##									##
##########################################################################
AC_PREFIX_DEFAULT(/usr/local)

AC_MSG_CHECKING(for iODBC installation layout)
AC_ARG_WITH(layout, [dnl
AC_HELP_STRING([--with-layout=LAYOUT], [Choose installation layout])dnl
],
[ case "${withval}" in
    yes|no)	IODBC_LAYOUT=unset ;;
    *)		IODBC_LAYOUT=${withval} ;;
  esac
], [IODBC_LAYOUT=unset]) 

case ${IODBC_LAYOUT} in
  unset)					# No Layout set
	iodbc_layout="default"
	inidir=/etc
	;;

  [[Gg]][[Nn]][[Uu]])				# GNU
	iodbc_layout="GNU"
	test "x$prefix" = xNONE && prefix=/usr/local
	inidir=${prefix}/etc/iodbc
	;;

  [[Dd]][[Ee]][[Bb]][[Ii]][[Aa]][[Nn]])		# Debian
	iodbc_layout="Debian"
	test "x$prefix" = xNONE && prefix=/usr
	inidir=/etc
	;;

  [[Gg]][[Ee]][[Nn]][[Tt]][[Oo]][[Oo]])		# Gentoo
	iodbc_layout="Gentoo"
	test "x$prefix" = xNONE && prefix=/usr
	includedir='${prefix}/include/iodbc'
	inidir=/etc/iodbc
	;;

  [[Rr]][[Ee]][[Dd]][[Hh]][[Aa]][[Tt]])		# RedHat
	iodbc_layout=RedHat
	test "x$prefix" = xNONE && prefix=/usr
	inidir=/etc
	;;

  [[Ff]][[Rr]][[Ee]][[Ee]][[Bb]][[Ss]][[Dd]])	# FreeBSD
	iodbc_layout=FreeBSD
	test "x$prefix" = xNONE && prefix=/usr
	inidir=/etc
	;;

  [[Oo]][[Pp]][[Tt]])				# /opt
	iodbc_layout=opt
	test "x$prefix" = xNONE && prefix=/opt/iodbc
	inidir=/etc
	;;

  *)						# UNKNOWN
	AC_MSG_ERROR(Unknown layout ${IODBC_LAYOUT})
	;;
esac
AC_MSG_RESULT([${iodbc_layout}])


##########################################################################
##									##
##  Check for C compiler						##
##									##
##########################################################################
AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_CC_STDC
AC_PROG_CPP
AC_LANG([C])
AC_C_CONST


##########################################################################
##									##
##  Check for standard programs						##
##									##
##########################################################################
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
dnl AC_PROG_RANLIB
AC_LIBTOOL_DLOPEN
AM_PROG_LIBTOOL


##########################################################################
##									##
##  Check for standard header files					##
##									##
##########################################################################
AC_HEADER_STDC
AC_CHECK_HEADERS(wchar.h)


##########################################################################
##									##
##  Check for specific library functions				##
##									##
##########################################################################
AC_CHECK_FUNCS(strerror setenv wcslen wcscpy wcsncpy asprintf snprintf)


##########################################################################
##									##
##  Check if we want to build the GUI applications and libraries	##
##									##
##########################################################################
AC_ARG_ENABLE(gui, [dnl
AC_HELP_STRING([--enable-gui], [build GUI applications (default)])
AC_HELP_STRING([--disable-gui], [build GUI applications])dnl
],
[ case "${enableval}" in
    yes) USE_GUI=true ;;
    no)  USE_GUI=false ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-gui) ;;
  esac
],[USE_GUI=true]) 


##########################################################################
##									##
##  Check for GTK library functions					##
##									##
##########################################################################
USE_GTK=false
#if test x$USE_GUI = xtrue
#then
#  AM_PATH_GTK(1.2.3)
#  if test x$no_gtk = x
#  then
#    USE_GTK=true
#  fi
#fi


##########################################################################
##									##
##  Now make the final checks whether we can use GUI extentions		##
##									##
##########################################################################
if test x$USE_GTK = xfalse
then
  USE_GUI=false
fi

if test x$USE_GUI = xtrue
then
  AC_DEFINE(GUI, 1, [Define if we detected a GUI library we can use])
fi

AM_CONDITIONAL(GUI, [test x$USE_GUI = xtrue])
AM_CONDITIONAL(GTK, [test x$USE_GTK = xtrue])


##########################################################################
##									##
##  Check for dynamic load module					##
##									##
##########################################################################

AC_CHECK_HEADERS(dlfcn.h dl.h dld.h)

LIBADD_DL=""

AC_CHECK_LIB(dl, dlopen, 
  [AC_DEFINE(HAVE_LIBDL, 1, [Define if you have the -ldl library]) 
	LIBADD_DL="-ldl"],
  [AC_CHECK_FUNCS(dlopen _dlopen, [
	AC_DEFINE(HAVE_LIBDL, 1,[Define if you have the -ldl library])
  ])]
  )

AC_CHECK_FUNC(shl_load, 
  [AC_DEFINE(HAVE_SHL_LOAD, 1, [Define if you have the shl_load function])],
  [AC_CHECK_LIB(dld, shl_load, 
    [AC_DEFINE(HAVE_SHL_LOAD, 1, [Define if you have the shl_load function]) LIBADD_DL="$LIBADD_DL -ldld"])]
  )

AC_CHECK_LIB(dld, dld_link, 
   [AC_DEFINE(HAVE_DLD, 1, [Define if you have the -ldld library])dnl
    test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"])

AC_CHECK_FUNC(NSCreateObjectFileImageFromFile,
    [AC_DEFINE(HAVE_DYLD, 1, [Define if you have the DYLD library])])

AC_SUBST(LIBADD_DL)

AC_CACHE_CHECK([for underscore before symbols], libltdl_cv_uscore, [
  echo "main(){int i=1;} fnord(){int i=23; int ltuae=42;}" > conftest.c
  ${CC} -c conftest.c > /dev/null
  if (nm conftest.o | grep _fnord) > /dev/null; then
    libltdl_cv_uscore=yes
  else
    libltdl_cv_uscore=no
  fi
  rm -f conftest*
])

if test x"$libltdl_cv_uscore" = xyes; then
  if test x"$ac_cv_func_dlopen" = xyes ||
     test x"$ac_cv_lib_dl_dlopen" = xyes ; then
	AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
		libltdl_cv_need_uscore, [dnl
		AC_TRY_RUN([
#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>

#ifdef RTLD_GLOBAL
# define LTDL_GLOBAL	RTLD_GLOBAL
#else
# ifdef DL_GLOBAL
#  define LTDL_GLOBAL	DL_GLOBAL
# else
#  define LTDL_GLOBAL	0
# endif
#endif

/* We may have to define LTDL_LAZY_OR_NOW in the command line if we
   find out it does not work in some platform. */
#ifndef LTDL_LAZY_OR_NOW
# ifdef RTLD_LAZY
#  define LTDL_LAZY_OR_NOW	RTLD_LAZY
# else
#  ifdef DL_LAZY
#   define LTDL_LAZY_OR_NOW	DL_LAZY
#  else
#   ifdef RTLD_NOW
#    define LTDL_LAZY_OR_NOW	RTLD_NOW
#   else
#    ifdef DL_NOW
#     define LTDL_LAZY_OR_NOW	DL_NOW
#    else
#     define LTDL_LAZY_OR_NOW	0
#    endif
#   endif
#  endif
# endif
#endif

fnord ()
{
  int i = 42;
}

main ()
{
  void *self, *ptr1, *ptr2;
  self = dlopen (0, LTDL_GLOBAL | LTDL_LAZY_OR_NOW);
  if (self)
    {
      ptr1 = dlsym (self, "fnord");
      ptr2 = dlsym (self, "_fnord");
      if (ptr1 && !ptr2)
	{
	  dlclose (self);
	  exit (0);
	}
    }
  exit (1);
}
],	libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes,
	libltdl_cv_need_uscore=no
)])
  fi
fi

if test x"$libltdl_cv_need_uscore" = xyes; then
   AC_DEFINE(NEED_USCORE, 1,
	[Define if dlsym() requires a leading underscode in symbol names. ])
fi


##########################################################################
##                                                                      ##
##  Check if the dl library has the dladdr function                     ##
##                                                                      ##
##########################################################################
AC_CHECK_FUNC(dladdr, AC_DEFINE(HAVE_DLADDR, 1, [Define to 1 if you have the `dladdr' function.]),
[AC_CHECK_LIB(dl, dladdr, [AC_DEFINE(HAVE_DLADDR, 1, [Define to 1 if you have the `dladdr' function]) LIBADD_DL="-ldl"],[])]
)
 
AC_CHECK_TYPE([Dl_info],
  [AC_DEFINE(HAVE_DL_INFO, 1, [Define to 1 if you have the Dl_info structure])],
  [],
  [#include <dlfcn.h>]
)


##########################################################################
##									##
##  Set version information						## 
##									##
##########################################################################

AC_MSG_CHECKING(for iODBC mode)
AC_ARG_ENABLE(odbc3, [dnl
AC_HELP_STRING([--enable-odbc3], [build ODBC 3.x compatible driver manager (default)])
AC_HELP_STRING([--disable-odbc3], [build ODBC 2.x compatible driver manager])dnl
],
[
    case "${enableval}" in
      yes)	odbcmode=3 ;;
      no)	odbcmode=2 ;;
      *)	AC_MSG_ERROR(bad value ${enableval} for --enable-odbc3) ;;
    esac
],
[
    odbcmode=3	  # set default to ODBC 3.x mode 
])

if test "x$odbcmode" = "x3"
then
	lib_version=$lib3_version
	CFLAGS="$CFLAGS -DODBCVER=0x0350 -DIODBC_BUILD=$BUILD_VER" 
	AC_MSG_RESULT(ODBC 3.x compatible mode)
else
	lib_version=$lib2_version
	CFLAGS="$CFLAGS -DODBCVER=0x0250 -DIODBC_BUILD=$BUILD_VER" 
	AC_MSG_RESULT(ODBC 2.x compatible mode)
fi
AC_SUBST(odbcmode)
AC_SUBST(lib_version)


##########################################################################
##									##
##  Where to find the system odbc.ini file				**
##									##
##########################################################################

#
#  First determine the systemwide default directory according 
#  to GNU specifications
#
AC_MSG_CHECKING(system config directory)
sysinidir=`eval echo $sysconfdir`
case "$sysinidir" in
NONE*) 
       sysinidir=$ac_default_prefix/etc
       ;;
/usr/etc)
       sysinidir=/etc
       ;;
*)
       sysinidir=`eval echo $sysconfdir`
       ;;
esac
AC_MSG_RESULT($sysinidir)

#
#  Now allow to overrule this directory with a custom setting
#
AC_MSG_CHECKING(for iODBC ini directory)
AC_ARG_WITH(iodbc-inidir, [dnl
AC_HELP_STRING([--with-iodbc-inidir=DIR], [where the system odbc.ini file should be located])
AC_HELP_STRING([ ], [(default is /etc)])dnl
],
[ 
    case "$withval" in
    yes|no)
        inidir=$sysinidir
	;;
    *)
    	inidir=$withval
	;;
    esac 
])
AC_MSG_RESULT($inidir)

AC_SUBST(inidir)
AC_DEFINE_UNQUOTED(SYS_ODBC_INI, "$inidir/odbc.ini",
	[Define path to systemwide odbc.ini file])
AC_DEFINE_UNQUOTED(SYS_ODBCINST_INI, "$inidir/odbcinst.ini",
	[Define path to systemwide odbcinst.ini file])


##########################################################################
##									##
##  Checkout pthread situation						##
##									##
##########################################################################

# for backward compatibility
AC_ARG_WITH(pthreads,[],
[ 
  AC_MSG_WARN([--with-pthreads flag is deprecated, use --enable-pthreads])
],[]) 


AC_MSG_CHECKING(for thread model)
AC_ARG_ENABLE(pthreads, [dnl
AC_HELP_STRING([--enable-pthreads], [build threaded libraries and applications (default)])
AC_HELP_STRING([--disable-pthreads], [build non-threaded libraries and applications])dnl
],
[ case "${enableval}" in
    yes) USE_PTHREADS=true ;;
    no)  USE_PTHREADS=false ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-pthreads) ;;
  esac
],[USE_PTHREADS=true]) 

if test x$USE_PTHREADS = xtrue
then
    AC_MSG_RESULT(enabled pthread support)
    CPPFLAGS="$CPPFLAGS -DWITH_PTHREADS -D_REENTRANT"
    found_lib=false

    AC_MSG_CHECKING(for OS dependent thread flags)
    case $host in
      *-aix*)	
		CC=cc_r7
		AC_MSG_RESULT([use cc_r7 for AIX])
		;;

      *UnixWare*)
      		CFLAGS="$CFLAGS -Kthread"
		AC_MSG_RESULT([use -Kthread for UnixWare])
		;;

      i[3456]86-dg-dgux*)
      		CFLAGS="$CFLAGS -D_POSIX4A_DRAFT6_SOURCE"
		LIBS="$LIBS -lthread"
		AC_MSG_RESULT([use -lthread for DG/UX])
		;;

      *-freebsd*)	
		CFLAGS="$CFLAGS -pthread"
		AC_MSG_RESULT([use -pthread for FreeBSD])
		;;

      *)
		AC_MSG_RESULT([none])
		;;
    esac

    #
    #  Check headers
    #
    AC_CHECK_HEADER(pthread.h)

    #
    #  If mutex functions are in C library, we should not need to link
    #  with -lpthread
    #
    AC_CHECK_FUNC(pthread_mutex_lock, [found_lib=true])

    #
    #  Check out the various libraries
    #
    if test x$found_lib = xfalse
    then
	IODBC_CHECK_PTHREAD_LIB(pthreads, pthread_mutex_lock,
	[
	    if test "$host_os" = "osf3.2"
	    then
	      CPPFLAGS="$CPPFLAGS -DOLD_PTHREADS"
	      LIBS="$LIBS -lpthreads -lmach -lc_r"
	    else
	      LIBS="$LIBS -lpthreads"
	    fi
	    found_lib=true
	])
    fi
    if test x$found_lib = xfalse
    then
	IODBC_CHECK_PTHREAD_LIB(pthread, pthread_mutex_lock, 
	[
	    LIBS="$LIBS -lpthread"
	    found_lib=true
	])
    fi 
else
    AC_MSG_RESULT(no thread support)
fi


########################################################################## 
##									##
##  OS dependent libraries						##
##									##
##########################################################################
LIBADD_OS=""
AC_MSG_CHECKING(for OS dependent libraries)
AM_CONDITIONAL(DARWIN, false)	
case $host in
  *-darwin*)
	AM_CONDITIONAL(DARWIN, true)	
	LIBADD_OS="-Wl,-framework,Carbon"
	;;
esac
AC_SUBST(LIBADD_OS)
AC_MSG_RESULT([$LIBADD_OS])


########################################################################## 
##									##
##  Generate Makefiles etc.						##
##									##
##########################################################################
AC_CONFIG_FILES([
    Makefile 
    admin/Makefile
    admin/libiodbc.spec
    bin/Makefile
    bin/iodbc-config
    etc/Makefile
    man/Makefile
    man/iodbc-config.1
    man/iodbctest.1
    man/iodbctestw.1
    man/iodbcadm-gtk.1
    include/Makefile
    iodbc/Makefile
    iodbc/trace/Makefile
    iodbcinst/Makefile
    iodbcadm/Makefile
    iodbcadm/gtk/Makefile
    drvproxy/Makefile
    drvproxy/gtk/Makefile
    samples/Makefile
])
AC_CONFIG_COMMANDS([default],[
    chmod 755 bin/iodbc-config
])
AC_OUTPUT


########################################################################## 
##									##
##  Display configuration information					##
##									##
##########################################################################
echo ""
echo ""
echo "${PACKAGE_STRING} configuration summary"
echo "${PACKAGE_STRING} configuration summary" | sed 's/./=/g'
echo ""
echo "Installation variables"
echo "AC_HELP_STRING(layout,		[${iodbc_layout}])"
echo "AC_HELP_STRING(prefix,		[${prefix}])"
echo "AC_HELP_STRING(exec_prefix,	[${exec_prefix}])"
echo ""
echo "Installation paths"
echo "AC_HELP_STRING(programs,		[${bindir}])"
echo "AC_HELP_STRING(include files, 	[${includedir}])"
echo "AC_HELP_STRING(libraries, 	[${libdir}])"
echo "AC_HELP_STRING(manual pages, 	[${mandir}])"
echo ""
echo "Configuration files"
echo "AC_HELP_STRING(odbc.ini , 	[${inidir}/odbc.ini])"
echo "AC_HELP_STRING(odbcinst.ini , 	[${inidir}/odbcinst.ini])"
echo ""
echo "Extensions"
echo "AC_HELP_STRING(ODBC Version, 	[${odbcmode}])"
echo "AC_HELP_STRING(GUI Extensions,	[${USE_GUI}])"
echo "AC_HELP_STRING(ThreadSafe,	[${USE_PTHREADS}])"
echo ""