File: configure.in

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#! /bin/sh 
#
# $Id: configure.in,v 1.16 2002/09/23 18:48:49 prudhomm Exp $
#
# SUMMARY:      
# USAGE:        <script-name>
#
# AUTHOR:       Christophe Prud'homme 
# ORG:          
# E-MAIL:       prudhomm@users.sourceforge.net
#
# ORIG-DATE:    26-Apr-89
# LAST-MOD: 23-Sep-02 at 14:05:46 by Christophe Prud'homme
# DESCRIPTION:  
#  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.
#
# DESCRIP-END.

AC_REVISION($Id: configure.in,v 1.16 2002/09/23 18:48:49 prudhomm Exp $)dnl
AC_INIT(./Makefile.am) 

dnl ----------------------------------------------------------------------
dnl PACKAGE+VERSION
dnl stole in gtk configure.in
dnl  ----------------------------------------------------------------------
FREEFEM_MAJOR_VERSION=3
FREEFEM_MINOR_VERSION=5
FREEFEM_MICRO_VERSION=8
dnl
FREEFEM_VERSION=$FREEFEM_MAJOR_VERSION.$FREEFEM_MINOR_VERSION.$FREEFEM_MICRO_VERSION
AC_SUBST(FREEFEM_MAJOR_VERSION)
AC_SUBST(FREEFEM_MINOR_VERSION)
AC_SUBST(FREEFEM_MICRO_VERSION)
AC_SUBST(FREEFEM_VERSION)
dnl libtool versioning
LT_RELEASE=$FREEFEM_MAJOR_VERSION.$FREEFEM_MINOR_VERSION
LT_CURRENT=$FREEFEM_MICRO_VERSION
LT_REVISION=$FREEFEM_MINOR_VERSION
LT_AGE=0
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

PACKAGE=freefem
VERSION=$FREEFEM_VERSION


dnl Where are the files for the configure script
AC_CONFIG_AUX_DIR(admin)
AM_ACLOCAL_INCLUDE(admin)

     
dnl What the current system and host
AC_CANONICAL_HOST
AC_CANONICAL_SYSTEM

# init automake
AM_INIT_AUTOMAKE(${PACKAGE},${VERSION})
AM_PROG_LIBTOOL
AM_CONFIG_HEADER(config.h)

dnl Checks for programs.
AC_PROG_CXX

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h unistd.h)

AC_FIND_X
AC_FIND_XTRA

dnl AC_CHECK_PROG(LATEX,latex,latex)
dnl AC_CHECK_PROG(LATEX2HTML,hyperlatex,hyperlatex)
dnl AC_CHECK_TOOL(INSTALL_INFO, install-info, $srcdir/config/install-info)


dnl Where is EMacs ??
dnl AM_PATH_LISPDIR

dnl KDE_CHECK_MICO(2.2.3)

LDFLAGS="${LDFLAGS} $X_LIBS"
AC_CHECK_LIB(X11, XOpenDisplay)

topdir=`pwd`
AC_SUBST(topdir)
top_builddir=`pwd`

KFEM_LIBS="$topdir/freefem/fem/libfem.la " #$topdir/lib/adapt/libadapt.la "
AC_SUBST(KFEM_LIBS)

KFEM_INCLUDES="-I\$(top_srcdir)/freefem/fem  -I$top_srcdir/"
AC_SUBST(KFEM_INCLUDES)

#
# Do we want some optimisation in the generated code
#
enable_kde=yes
AC_ARG_ENABLE(kde,[--with-kde    compile with kde support freefem will be a library: libfem.a],[
    CPPFLAGS="${CPPFLAGS} "
])
    
AC_ARG_WITH(optimization,[--with-optimization       Experimental add additional flags to optimize the code. Depends on the compiler],[
dnl
dnl case g++ or linux machine 
dnl
    if test "$CXX" = "g++" || test "$CXX" = "c++" || test "$host_os" = "linux" ; then
	CXXFLAGS="-O3 -fforce-mem -fforce-addr -fomit-frame-pointer"
    fi
dnl
dnl case hpux system
dnl
    if test "$CXX" = "CC" && test "$host_os" = "hpux" ; then
	CXXFLAGS="+O3 +a1"
    fi
dnl
dnl case silicon graphics system
dnl
    if test "$CXX" = "CC" && test "$host_os" = "irix" ; then
	CXXFLAGS="-O3"
    fi],[
	if test "$CXX" = "CC" && test "$host_os" = "hpux" ; then
		CXXFLAGS="+a1"
    	fi])

#
# check corelinux presence
# 
#AC_CHECK_LIB(cl++, ACCheckCoreLinux,[
#CXXFLAGS="${CXXFLAGS} -I/usr/include/corelinux"
#LDFLAGS="${LDFLAGS} "
#LIBS="${LIBS} -lcl++"
#],[
# echo "You need to install corelinux. see http://corelinux.sourceforge.net"
# exit;
#],)

CXXFLAGS="-Wall ${CXXFLAGS} ${X_CFLAGS}"

dnl show the results
echo "** Here are the make variables for $host"
echo "* Compiler:"
echo "**  CXX=$CXX"
echo "* Compilation options:"
echo "**  DEFS=$DEFS"
echo "**  CPPFLAGS=$CPPFLAGS"
echo "**  CXXFLAGS=$CXXFLAGS"
echo "**  X_CFLAGS=$X_CFLAGS"
echo "* Linking:"
echo "**  LDFLAGS=$LDFLAGS"
echo "**  LIBS=$LIBS"
echo "**  X_PRE_LIBS=$X_PRE_LIBS"
echo "**  X_LIBS=$X_LIBS"
echo "**  X_EXTRA_LIBS=$X_EXTRA_LIBS"


dnl now create the Makefile 
AC_OUTPUT(Makefile \
	  freefem.spec \
	  admin/Makefile \
	  doc/Makefile \
          freefem-api/Makefile \
          freefem/Makefile \
	  freefem/fem/Makefile \
	  examples/Makefile )