dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/libvirt.c)
AM_CONFIG_HEADER(config.h)
AC_CANONICAL_HOST

LIBVIRT_MAJOR_VERSION=0
LIBVIRT_MINOR_VERSION=1
LIBVIRT_MICRO_VERSION=1
LIBVIRT_MICRO_VERSION_SUFFIX=
LIBVIRT_VERSION=$LIBVIRT_MAJOR_VERSION.$LIBVIRT_MINOR_VERSION.$LIBVIRT_MICRO_VERSION$LIBVIRT_MICRO_VERSION_SUFFIX
LIBVIRT_VERSION_INFO=`expr $LIBVIRT_MAJOR_VERSION + $LIBVIRT_MINOR_VERSION`:$LIBVIRT_MICRO_VERSION:$LIBVIRT_MINOR_VERSION

LIBVIRT_VERSION_NUMBER=`expr $LIBVIRT_MAJOR_VERSION \* 1000000 + $LIBVIRT_MINOR_VERSION \* 1000 + $LIBVIRT_MICRO_VERSION`

if test -f CVS/Entries; then
  extra=`grep ChangeLog CVS/Entries | grep -v LIBVIR | sed -e s\%/ChangeLog/1\.%% -e s\%/.*$%%`
  echo extra=$extra
  if test "$extra" != ""
  then
      LIBVIRT_VERSION_EXTRA="-CVS$extra"
  fi
fi

AC_SUBST(LIBVIRT_MAJOR_VERSION)
AC_SUBST(LIBVIRT_MINOR_VERSION)
AC_SUBST(LIBVIRT_MICRO_VERSION)
AC_SUBST(LIBVIRT_VERSION)
AC_SUBST(LIBVIRT_VERSION_INFO)
AC_SUBST(LIBVIRT_VERSION_NUMBER)
AC_SUBST(LIBVIRT_VERSION_EXTRA)

VERSION=${LIBVIRT_VERSION}

AM_INIT_AUTOMAKE(libvirt, $VERSION)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_CPP
AC_PATH_PROG(RM, rm, /bin/rm)
AC_PATH_PROG(MV, mv, /bin/mv)
AC_PATH_PROG(TAR, tar, /bin/tar)
AC_PATH_PROG(XMLLINT, xmllint, /usr/bin/xmllint)
AC_PATH_PROG(XSLTPROC, xsltproc, /usr/bin/xsltproc)


dnl Make sure we have an ANSI compiler
AM_C_PROTOTYPES
test "x$U" != "x" && AC_MSG_ERROR(Compiler not ANSI compliant)

AM_PROG_LIBTOOL

dnl Specific dir for HTML output ?
AC_ARG_WITH(html-dir, AC_HELP_STRING([--with-html-dir=path],
            [path to base html directory, default $datadir/doc/html]),
            [HTML_DIR=$withval], [HTML_DIR='$(datadir)/doc'])

AC_ARG_WITH(html-subdir, AC_HELP_STRING([--with-html-subdir=path],
            [directory used under html-dir, default $PACKAGE-$VERSION/html]),
            [test "x$withval" != "x" && HTML_DIR="$HTML_DIR/$withval"],
            [HTML_DIR="$HTML_DIR/\$(PACKAGE)-\$(VERSION)/html"])
AC_SUBST(HTML_DIR)

dnl
dnl specific tests to setup DV devel environments with debug etc ...
dnl
if [[ "${LOGNAME}" = "veillard" -a "`pwd`" = "/u/veillard/libvirt" ]] ; then
    STATIC_BINARIES="-static"
else
    STATIC_BINARIES=
fi
AC_SUBST(STATIC_BINARIES)

dnl
dnl make CFLAGS very pedantic at least during the devel phase for everybody
dnl
    if test "${GCC}" = "yes" ; then
	CFLAGS="-g -O -W -Wformat -Wunused -Wimplicit -Wreturn-type -Wswitch -Wcomment -Wtrigraphs -Wformat -Wchar-subscripts -Wuninitialized -Wparentheses -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wredundant-decls -Wall"
    fi

dnl
dnl Specify the xen-distribution directory to be able to compile on a
dnl non-xenified host
dnl
AC_ARG_WITH(xen-distdir, AC_HELP_STRING([--with-xen-distdir=path],
            [distribution directory of Xen, default /usr]))
if test "x$with_xen_distdir" != "x"
then
CPPFLAGS="$CPPFLAGS -I$withval/install/usr/include"
LDFLAGS="$LDFLAGS -L$withval/install/usr/lib"
fi

dnl
dnl To be able to make dist on a non-xenified host
dnl
AC_ARG_WITH(depends,
	[  --with-depends          check for dependancies (on)])

if test "$with_depends" != "no"
then

dnl search for the Xen store library
AC_SEARCH_LIBS(xs_read, [xenstore], [], [AC_MSG_ERROR([Xen store library not found])])

dnl ==========================================================================
dnl find libxml2 library, borrowed from xmlsec
dnl ==========================================================================
LIBXML_MIN_VERSION="2.5.0"
LIBXML_CONFIG="xml2-config"
LIBXML_CFLAGS=""
LIBXML_LIBS=""
LIBXML_FOUND="no"
AC_ARG_WITH(libxml, [  --with-libxml=[PFX]       libxml2 location])
if test "z$with_libxml" = "zno" ; then 
    AC_MSG_CHECKING(for libxml2 libraries >= $LIBXML_MIN_VERSION) 
    AC_MSG_ERROR(libxml2 >= $LIBXML_MIN_VERSION is required for $XMLSEC_PACKAGE)
elif test "z$with_libxml" = "z" -a "z$PKG_CONFIG_ENABLED" = "zyes" ; then
    PKG_CHECK_MODULES(LIBXML, libxml-2.0 >= $LIBXML_MIN_VERSION,
	[LIBXML_FOUND=yes],
	[LIBXML_FOUND=no])
fi
AC_MSG_CHECKING(libxml2 $with_libxml  $LIBXML_FOUND  )
if test "z$LIBXML_FOUND" = "zno" ; then
    AC_MSG_CHECKING(for libxml2 libraries >= $LIBXML_MIN_VERSION) 
    if test "z$with_libxml" != "z" ; then 
	LIBXML_CONFIG=$with_libxml/bin/$LIBXML_CONFIG
    fi
    AC_MSG_CHECKING(libxml2 $with_libxml  $LIBXML_CONFIG  )
    if ! $LIBXML_CONFIG --version > /dev/null 2>&1 ; then
	AC_MSG_ERROR(Could not find libxml2 anywhere (see config.log for details).)
    fi
    vers=`$LIBXML_CONFIG --version | awk -F. '{ printf "%d", ($1 * 1000 + $2) * 1000 + $3;}'`
    minvers=`echo $LIBXML_MIN_VERSION | awk -F. '{ printf "%d", ($1 * 1000 + $2) * 1000 + $3;}'`
    if test "$vers" -ge "$minvers" ; then
        LIBXML_LIBS="`$LIBXML_CONFIG --libs`"
        LIBXML_CFLAGS="`$LIBXML_CONFIG --cflags`"
	LIBXML_FOUND="yes"
        AC_MSG_RESULT(yes ('$LIBXML_VERSION'))
    else
        AC_MSG_ERROR(You need at least libxml2 $LIBXML_MIN_VERSION for this version of $XMLSEC_PACKAGE)
    fi
fi

AC_SUBST(LIBXML_CFLAGS)
AC_SUBST(LIBXML_LIBS)
AC_SUBST(LIBXML_CONFIG)
AC_SUBST(LIBXML_MIN_VERSION)

dnl virsh libraries
AC_CHECK_LIB(curses, initscr, 
	[VIRSH_LIBS="$VIRSH_LIBS -lcurses"],
	[AC_CHECK_LIB(ncurses, initscr,
	        [VIRSH_LIBS="$VIRSH_LIBS -lncurses"],
		[AC_MSG_ERROR([curses/ncurses library not found])],
		[$VIRSH_LIBS])],
	[$VIRSH_LIBS])
AC_CHECK_LIB(readline, main, 
	[VIRSH_LIBS="$VIRSH_LIBS -lreadline"], 
	[AC_MSG_ERROR([readline library not found])],
	[$VIRSH_LIBS])
AC_SUBST(VIRSH_LIBS)

# end of if with_depends
fi

dnl
dnl check for python
dnl

PYTHON_VERSION=
PYTHON_INCLUDES=
PYTHON_SITE_PACKAGES=
PYTHON_TESTS=
pythondir=
if test "$with_python" != "no" ; then
    if test -x "$with_python/bin/python"
    then
        echo Found python in $with_python/bin/python
        PYTHON="$with_python/bin/python"
    else
	if test -x "$with_python"
	then
	    echo Found python in $with_python
	    PYTHON="$with_python"
	else
	    if test -x "$PYTHON"
	    then
	        echo Found python in environment PYTHON=$PYTHON
	    else
		AC_PATH_PROG(PYTHON, python python2.6 python2.5 python2.4 python2.3 python2.2 python2.1 python2.0 python1.6 python1.5)
	    fi
	fi
    fi
    if test "$PYTHON" != ""
    then
        PYTHON_VERSION=`$PYTHON -c "import sys; print sys.version[[0:3]]"`
	echo Found Python version $PYTHON_VERSION
    fi
    if test "$PYTHON_VERSION" != ""
    then
	if test -r $with_python/include/python$PYTHON_VERSION/Python.h -a \
	   -d $with_python/lib/python$PYTHON_VERSION/site-packages
	then
	    PYTHON_INCLUDES=$with_python/include/python$PYTHON_VERSION
	    PYTHON_SITE_PACKAGES=$with_python/lib/python$PYTHON_VERSION/site-packages
	else
	    if test -r $prefix/include/python$PYTHON_VERSION/Python.h
	    then
	        PYTHON_INCLUDES='$(prefix)/include/python$(PYTHON_VERSION)'
		PYTHON_SITE_PACKAGES='$(libdir)/python$(PYTHON_VERSION)/site-packages'
	    else
		if test -r /usr/include/python$PYTHON_VERSION/Python.h
		then
		    PYTHON_INCLUDES=/usr/include/python$PYTHON_VERSION
		    PYTHON_SITE_PACKAGES='$(libdir)/python$(PYTHON_VERSION)/site-packages'
		else
		    echo could not find python$PYTHON_VERSION/Python.h
		fi
	    fi
	    if test ! -d "$PYTHON_SITE_PACKAGES"
	    then
		    PYTHON_SITE_PACKAGES=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_python_lib()"`
	    fi
	fi
    fi
    if test "$with_python" != ""
    then
        pythondir='$(PYTHON_SITE_PACKAGES)'
    else
        pythondir='$(libdir)/python${PYTHON_VERSION}/site-packages'
    fi
else
    PYTHON=
fi
AM_CONDITIONAL(WITH_PYTHON, test "$PYTHON_INCLUDES" != "")
if test "$PYTHON_INCLUDES" != ""
then
    PYTHON_SUBDIR=python
else
    PYTHON_SUBDIR=
fi
AC_SUBST(pythondir)
AC_SUBST(PYTHON)
AC_SUBST(PYTHON_VERSION)
AC_SUBST(PYTHON_INCLUDES)
AC_SUBST(PYTHON_SITE_PACKAGES)
AC_SUBST(PYTHON_SUBDIR)

# very annoying
rm -f COPYING
cp COPYING.LIB COPYING

AC_OUTPUT(Makefile src/Makefile include/Makefile docs/Makefile \
          docs/examples/Makefile docs/devhelp/Makefile \
	  docs/examples/python/Makefile \
          libvirt.pc libvirt.spec include/libvirt.h \
	  python/Makefile python/tests/Makefile \
          tests/Makefile)