configure.in - third_party/libxml2 - Git at Google

 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.2)
 AC_INIT(entities.c)
 AM_CONFIG_HEADER(config.h)
 AC_CANONICAL_HOST

 LIBXML_MAJOR_VERSION=2
 LIBXML_MINOR_VERSION=3
 LIBXML_MICRO_VERSION=1
 LIBXML_VERSION=$LIBXML_MAJOR_VERSION.$LIBXML_MINOR_VERSION.$LIBXML_MICRO_VERSION
 LIBXML_VERSION_INFO=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`:$LIBXML_MICRO_VERSION:$LIBXML_MINOR_VERSION

 LIBXML_VERSION_NUMBER=`expr $LIBXML_MAJOR_VERSION \* 10000 + $LIBXML_MINOR_VERSION \* 100 + $LIBXML_MICRO_VERSION`

 AC_SUBST(LIBXML_MAJOR_VERSION)
 AC_SUBST(LIBXML_MINOR_VERSION)
 AC_SUBST(LIBXML_MICRO_VERSION)
 AC_SUBST(LIBXML_VERSION)
 AC_SUBST(LIBXML_VERSION_INFO)
 AC_SUBST(LIBXML_VERSION_NUMBER)

 VERSION=${LIBXML_VERSION}

 AM_INIT_AUTOMAKE(libxml2, $VERSION)

 AC_ARG_WITH(html-dir, [  --with-html-dir=PATH path to installed docs ])

 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)

 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

 AM_MAINTAINER_MODE

 dnl Checks for zlib library.
 _cppflags="${CPPFLAGS}"
 _ldflags="${LDFLAGS}"

 AC_ARG_WITH(zlib,
 [  --with-zlib[=DIR]       use libz in DIR],[
   if test "$withval" != "no" -a "$withval" != "yes"; then
     Z_DIR=$withval
     CPPFLAGS="${CPPFLAGS} -I$withval/include"
     LDFLAGS="${LDFLAGS} -L$withval/lib"
   fi
 ])

 AC_CHECK_HEADERS(zlib.h,
     AC_CHECK_LIB(z, gzread,[
 	AC_DEFINE(HAVE_LIBZ)
         if test "x${Z_DIR}" != "x"; then
             Z_CFLAGS="-I${Z_DIR}/include"
             Z_LIBS="-L${Z_DIR}/lib -lz"
         else
             Z_LIBS="-lz"
         fi]))
 AC_SUBST(Z_CFLAGS)
 AC_SUBST(Z_LIBS)

 CPPFLAGS=${_cppflags}
 LDFLAGS=${_ldflags}

 dnl Checks for header files.
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 AC_CHECK_HEADERS(fcntl.h unistd.h ctype.h dirent.h errno.h malloc.h)
 AC_CHECK_HEADERS(stdarg.h sys/stat.h sys/types.h time.h)
 AC_CHECK_HEADERS(ieeefp.h nan.h math.h fp_class.h float.h)
 AC_CHECK_HEADERS(stdlib.h sys/socket.h netinet/in.h arpa/inet.h)
 AC_CHECK_HEADERS(netdb.h sys/time.h sys/select.h sys/mman.h)

 dnl Specific dir for HTML output ?
 if test "x$with_html_dir" = "x" ; then
   HTML_DIR='${datadir}/gtk-doc/html'
 else
   HTML_DIR=$with_html_dir
 fi

 AC_SUBST(HTML_DIR)

 AC_ARG_ENABLE(corba,
 [  --enable-corba           Add Corba support (default)])

 dnl
 dnl Corba is enabled by default
 dnl
 if test "$enable_corba" = "no" ; then
    CORBA_CFLAGS="-DWITHOUT_CORBA"
 fi
 AC_SUBST(CORBA_CFLAGS)

 dnl Checks for library functions.
 AC_FUNC_STRFTIME
 AC_CHECK_FUNCS(strdup strndup strerror snprintf)
 AC_CHECK_FUNCS(finite isnand fp_class class fpclass)
 AC_CHECK_FUNCS(strftime localtime)
 AC_CHECK_FUNCS(stat _stat)

 dnl Checks for inet libraries:
 AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent))
 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 AC_CHECK_FUNC(connect, , AC_CHECK_LIB(inet, connect))

 dnl Determine what socket length (socklen_t) data type is
 AC_MSG_CHECKING([for type of socket length (socklen_t)])
 AC_TRY_COMPILE2([
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>],[
 (void)getsockopt (1, 1, 1, NULL, (socklen_t *)NULL)],[
   AC_MSG_RESULT(socklen_t *)
   SOCKLEN_T=socklen_t],[
   AC_TRY_COMPILE2([
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>],[
 (void)getsockopt (1, 1, 1, NULL, (size_t *)NULL)],[
     AC_MSG_RESULT(size_t *)
     SOCKLEN_T=size_t],[
     AC_TRY_COMPILE2([
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>],[
 (void)getsockopt (1, 1, 1, NULL, (int *)NULL)],[
       AC_MSG_RESULT(int *)
       SOCKLEN_T=int],[
       AC_MSG_WARN(could not determine)])])])
 AC_DEFINE_UNQUOTED(SOCKLEN_T, $SOCKLEN_T)

 dnl Checks for isnan in libm if not in libc
 AC_CHECK_FUNC(isnan, , AC_CHECK_LIB(m, isnan,
   [M_LIBS="-lm"; AC_DEFINE(HAVE_ISNAN)]))

 AC_CHECK_FUNC(isinf, AC_DEFINE(HAVE_ISINF) , AC_CHECK_LIB(m, isinf,
   [M_LIBS="-lm"; AC_DEFINE(HAVE_ISINF)]))

 XML_LIBDIR='-L${libdir}'
 XML_INCLUDEDIR='-I${includedir}/libxml -I${includedir}'
 XML_LIBS="-lxml2 $Z_LIBS $M_LIBS $LIBS"

 dnl
 dnl Extra flags
 dnl
 XML_CFLAGS=""

 dnl
 dnl Workaround for HP native compiler
 dnl http://bugs.gnome.org/db/31/3163.html
 dnl
 if test "${GCC}" != "yes" ; then
     CFLAGS="${CFLAGS} -Wall "
     case "${host}" in
           *-*-hpux* )
 	       CFLAGS="${CFLAGS} -Wp,-H30000"
 	       ;;
     esac
 fi
 case ${host} in
     *-*-solaris*)
         XML_LIBDIR="${XML_LIBDIR} -R${libdir}"
         ;;
 esac


 dnl
 dnl Use buffers for content
 dnl

 AC_ARG_WITH(buffers, [  --with-buffers          Use buffers for node content])
 if test "$with_buffers" = "yes" ; then
     CFLAGS="${CFLAGS} -DXML_USE_BUFFER_CONTENT"
     XML_CFLAGS="${XML_CFLAGS}  -DXML_USE_BUFFER_CONTENT"
 fi

 dnl
 dnl Tester makes use of readline if present
 dnl
 _cppflags="${CPPFLAGS}"
 _ldflags="${LDFLAGS}"

 AC_ARG_WITH(readline,
 [  --with-readline=DIR     use readline in DIR],[
   if test "$withval" != "no" -a "$withval" != "yes"; then
     RDL_DIR=$withval
     CPPFLAGS="${CPPFLAGS} -I$withval/include"
     LDFLAGS="${LDFLAGS} -L$withval/lib"
   fi
 ])

 dnl check for terminal library. this is a very cool solution
 dnl from octave's configure.in
 unset tcap
 for termlib in ncurses curses termcap terminfo termlib; do
     AC_CHECK_LIB(${termlib}, tputs, [tcap="-l$termlib"])
     test -n "$tcap" && break
 done

 AC_CHECK_HEADER(readline/history.h,
     AC_CHECK_LIB(history, append_history,[
        RDL_LIBS="-lhistory"
        AC_DEFINE(HAVE_LIBHISTORY)]))
 AC_CHECK_HEADER(readline/readline.h,
     AC_CHECK_LIB(readline, readline,[
        RDL_LIBS="-lreadline $RDL_LIBS $tcap"
        AC_DEFINE(HAVE_LIBREADLINE)], , $tcap))
 if test -n "$RDL_DIR" -a -n "$RDL_LIBS"; then
     CPPFLAGS="$CPPFLAGS -I${RDL_DIR}/include"
     RDL_LIBS="-L${RDL_DIR}/lib $RDL_LIBS"
 else
     CPPFLAGS=${_cppflags}
 fi
 LDFLAGS=${_ldflags}

 AC_SUBST(RDL_LIBS)

 dnl
 dnl specific tests to setup DV's devel environment with debug etc ...
 dnl
 if test "${LOGNAME}" = "veillard" -a "`pwd`" = "/u/veillard/XML" ; then
     if test "${with_mem_debug}" = "" ; then
         with_mem_debug="yes"
     fi
 dnl    if test "${with_docbook}" = "" ; then
 dnl        with_docbook="yes"
 dnl    fi
     if test "${with_xptr}" = "" ; then
         with_xptr="yes"
     fi
     CFLAGS="-Wall -g -pedantic"
 fi
 dnl
 dnl Aloow to disable various pieces
 dnl

 AC_ARG_WITH(ftp, [  --with-ftp              Add the FTP support (on)])
 if test "$with_ftp" = "no" ; then
     echo Disabling FTP support
     WITH_FTP=0
     FTP_OBJ=
 else
     WITH_FTP=1
     FTP_OBJ=nanoftp.o
 fi
 AC_SUBST(WITH_FTP)
 AC_SUBST(FTP_OBJ)

 AC_ARG_WITH(http, [  --with-http             Add the HTTP support (on)])
 if test "$with_http" = "no" ; then
     echo Disabling HTTP support
     WITH_HTTP=0
     HTTP_OBJ=
 else
     WITH_HTTP=1
     HTTP_OBJ=nanohttp.o
 fi
 AC_SUBST(WITH_HTTP)
 AC_SUBST(HTTP_OBJ)

 AC_ARG_WITH(html, [  --with-html             Add the HTML support (on)])
 if test "$with_html" = "no" ; then
     echo Disabling HTML support
     WITH_HTML=0
     HTML_OBJ=
 else
     WITH_HTML=1
     HTML_OBJ="HTMLparser.o HTMLtree.o"
 fi
 AC_SUBST(WITH_HTML)
 AC_SUBST(HTML_OBJ)

 AC_ARG_WITH(xpath, [  --with-xpath            Add the XPATH support (on)])
 if test "$with_xpath" = "no" ; then
     echo Disabling XPATH support
     with_xptr="no"
     WITH_XPATH=0
     XPATH_OBJ=
 else
     WITH_XPATH=1
     XPATH_OBJ=xpath.o
 fi
 AC_SUBST(WITH_XPATH)
 AC_SUBST(XPATH_OBJ)

 AC_ARG_WITH(xptr, [  --with-xptr             Add the XPointer support (on)])
 if test "$with_xptr" = "no" ; then
     echo Disabling XPointer support
     WITH_XPTR=0
     XPTR_OBJ=
 else
     WITH_XPTR=1
     XPTR_OBJ=xpointer.o
 fi
 AC_SUBST(WITH_XPTR)
 AC_SUBST(XPTR_OBJ)

 AC_ARG_WITH(xinclude, [  --with-xinclude         Add the XInclude support (on)])
 if test "$with_xinclude" = "no" ; then
     echo Disabling XInclude support
     WITH_XINCLUDE=0
     XINCLUDE_OBJ=
     with_xinclude="no"
 else
     WITH_XINCLUDE=1
     XINCLUDE_OBJ=xinclude.o
 fi
 AC_SUBST(WITH_XINCLUDE)
 AC_SUBST(XINCLUDE_OBJ)

 AC_ARG_WITH(iconv, [  --with-iconv            Add the ICONV support (on)])
 if test "$with_iconv" = "no" ; then
     echo Disabling ICONV support
     WITH_ICONV=0
 else
     AC_CHECK_FUNC(iconv, , AC_CHECK_LIB(iconv, iconv))
     if test "$have_iconv" != "" ; then
         echo Iconv support not found
         WITH_ICONV=0
     else
         WITH_ICONV=1
     fi
 fi
 AC_SUBST(WITH_ICONV)

 AC_ARG_WITH(debug, [  --with-debug            Add the debugging module (on)])
 if test "$with_debug" = "no" ; then
     echo Disabling DEBUG support
     WITH_DEBUG=0
     DEBUG_OBJ=
 else
     WITH_DEBUG=1
     DEBUG_OBJ=debugXML.o
 fi
 AC_SUBST(WITH_DEBUG)
 AC_SUBST(DEBUG_OBJ)

 AC_ARG_WITH(mem_debug, [  --with-mem-debug        Add the memory debugging module (off)])
 if test "$with_mem_debug" = "yes" ; then
     echo Enabling memory debug support
     WITH_MEM_DEBUG=1
 else
     WITH_MEM_DEBUG=0
 fi
 AC_SUBST(WITH_MEM_DEBUG)

 AC_SUBST(CFLAGS)
 AC_SUBST(XML_CFLAGS)

 AC_SUBST(XML_LIBDIR)
 AC_SUBST(XML_LIBS)
 AC_SUBST(XML_INCLUDEDIR)
 AC_SUBST(HTML_DIR)
 AC_SUBST(HAVE_ISNAN)
 AC_SUBST(HAVE_ISINF)

 AC_SUBST(M_LIBS)
 AC_SUBST(RDL_LIBS)

 dnl
 dnl create the libxml and include links needed to get dependencies right
 dnl
 if test ! -d $srcdir/include/libxml
 then
     if test ! -d $srcdir/include
     then
         rm -f $srcdir/include
         mkdir $srcdir/include
     fi
     rm -f $srcdir/libxml
     (cd $srcdir/include ; ln -s .. libxml)
 fi
 if test ! -r $srcdir/libxml
 then
     (cd $srcdir ; ln -s include/libxml libxml)
 fi
 if test ! -r include/libxml
 then
     if test ! -d include
     then
         rm -f include
         mkdir include
     fi
     (cd include ; ln -s ../libxml libxml)
 fi
 if test ! -r libxml
 then
     rm -rf libxml
     ln -s $srcdir/include/libxml libxml
 fi

 AC_OUTPUT(libxml.spec Makefile include/Makefile doc/Makefile example/Makefile libxml/xmlversion.h xml2-config libxml-2.0.pc xml2Conf.sh)
	dnl Process this file with autoconf to produce a configure script.
	AC_PREREQ(2.2)
	AC_INIT(entities.c)
	AM_CONFIG_HEADER(config.h)
	AC_CANONICAL_HOST

	LIBXML_MAJOR_VERSION=2
	LIBXML_MINOR_VERSION=3
	LIBXML_MICRO_VERSION=1
	LIBXML_VERSION=$LIBXML_MAJOR_VERSION.$LIBXML_MINOR_VERSION.$LIBXML_MICRO_VERSION
	LIBXML_VERSION_INFO=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`:$LIBXML_MICRO_VERSION:$LIBXML_MINOR_VERSION

	LIBXML_VERSION_NUMBER=`expr $LIBXML_MAJOR_VERSION \* 10000 + $LIBXML_MINOR_VERSION \* 100 + $LIBXML_MICRO_VERSION`

	AC_SUBST(LIBXML_MAJOR_VERSION)
	AC_SUBST(LIBXML_MINOR_VERSION)
	AC_SUBST(LIBXML_MICRO_VERSION)
	AC_SUBST(LIBXML_VERSION)
	AC_SUBST(LIBXML_VERSION_INFO)
	AC_SUBST(LIBXML_VERSION_NUMBER)

	VERSION=${LIBXML_VERSION}

	AM_INIT_AUTOMAKE(libxml2, $VERSION)

	AC_ARG_WITH(html-dir, [ --with-html-dir=PATH path to installed docs ])

	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)

	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

	AM_MAINTAINER_MODE

	dnl Checks for zlib library.
	_cppflags="${CPPFLAGS}"
	_ldflags="${LDFLAGS}"

	AC_ARG_WITH(zlib,
	[ --with-zlib[=DIR] use libz in DIR],[
	if test "$withval" != "no" -a "$withval" != "yes"; then
	Z_DIR=$withval
	CPPFLAGS="${CPPFLAGS} -I$withval/include"
	LDFLAGS="${LDFLAGS} -L$withval/lib"
	fi
	])

	AC_CHECK_HEADERS(zlib.h,
	AC_CHECK_LIB(z, gzread,[
	AC_DEFINE(HAVE_LIBZ)
	if test "x${Z_DIR}" != "x"; then
	Z_CFLAGS="-I${Z_DIR}/include"
	Z_LIBS="-L${Z_DIR}/lib -lz"
	else
	Z_LIBS="-lz"
	fi]))
	AC_SUBST(Z_CFLAGS)
	AC_SUBST(Z_LIBS)

	CPPFLAGS=${_cppflags}
	LDFLAGS=${_ldflags}

	dnl Checks for header files.
	AC_HEADER_DIRENT
	AC_HEADER_STDC
	AC_CHECK_HEADERS(fcntl.h unistd.h ctype.h dirent.h errno.h malloc.h)
	AC_CHECK_HEADERS(stdarg.h sys/stat.h sys/types.h time.h)
	AC_CHECK_HEADERS(ieeefp.h nan.h math.h fp_class.h float.h)
	AC_CHECK_HEADERS(stdlib.h sys/socket.h netinet/in.h arpa/inet.h)
	AC_CHECK_HEADERS(netdb.h sys/time.h sys/select.h sys/mman.h)

	dnl Specific dir for HTML output ?
	if test "x$with_html_dir" = "x" ; then
	HTML_DIR='${datadir}/gtk-doc/html'
	else
	HTML_DIR=$with_html_dir
	fi

	AC_SUBST(HTML_DIR)

	AC_ARG_ENABLE(corba,
	[ --enable-corba Add Corba support (default)])

	dnl
	dnl Corba is enabled by default
	dnl
	if test "$enable_corba" = "no" ; then
	CORBA_CFLAGS="-DWITHOUT_CORBA"
	fi
	AC_SUBST(CORBA_CFLAGS)

	dnl Checks for library functions.
	AC_FUNC_STRFTIME
	AC_CHECK_FUNCS(strdup strndup strerror snprintf)
	AC_CHECK_FUNCS(finite isnand fp_class class fpclass)
	AC_CHECK_FUNCS(strftime localtime)
	AC_CHECK_FUNCS(stat _stat)

	dnl Checks for inet libraries:
	AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent))
	AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
	AC_CHECK_FUNC(connect, , AC_CHECK_LIB(inet, connect))

	dnl Determine what socket length (socklen_t) data type is
	AC_MSG_CHECKING([for type of socket length (socklen_t)])
	AC_TRY_COMPILE2([
	#include <stddef.h>
	#include <sys/types.h>
	#include <sys/socket.h>],[
	(void)getsockopt (1, 1, 1, NULL, (socklen_t *)NULL)],[
	AC_MSG_RESULT(socklen_t *)
	SOCKLEN_T=socklen_t],[
	AC_TRY_COMPILE2([
	#include <stddef.h>
	#include <sys/types.h>
	#include <sys/socket.h>],[
	(void)getsockopt (1, 1, 1, NULL, (size_t *)NULL)],[
	AC_MSG_RESULT(size_t *)
	SOCKLEN_T=size_t],[
	AC_TRY_COMPILE2([
	#include <stddef.h>
	#include <sys/types.h>
	#include <sys/socket.h>],[
	(void)getsockopt (1, 1, 1, NULL, (int *)NULL)],[
	AC_MSG_RESULT(int *)
	SOCKLEN_T=int],[
	AC_MSG_WARN(could not determine)])])])
	AC_DEFINE_UNQUOTED(SOCKLEN_T, $SOCKLEN_T)

	dnl Checks for isnan in libm if not in libc
	AC_CHECK_FUNC(isnan, , AC_CHECK_LIB(m, isnan,
	[M_LIBS="-lm"; AC_DEFINE(HAVE_ISNAN)]))

	AC_CHECK_FUNC(isinf, AC_DEFINE(HAVE_ISINF) , AC_CHECK_LIB(m, isinf,
	[M_LIBS="-lm"; AC_DEFINE(HAVE_ISINF)]))

	XML_LIBDIR='-L${libdir}'
	XML_INCLUDEDIR='-I${includedir}/libxml -I${includedir}'
	XML_LIBS="-lxml2 $Z_LIBS $M_LIBS $LIBS"

	dnl
	dnl Extra flags
	dnl
	XML_CFLAGS=""

	dnl
	dnl Workaround for HP native compiler
	dnl http://bugs.gnome.org/db/31/3163.html
	dnl
	if test "${GCC}" != "yes" ; then
	CFLAGS="${CFLAGS} -Wall "
	case "${host}" in
	--hpux* )
	CFLAGS="${CFLAGS} -Wp,-H30000"
	;;
	esac
	fi
	case ${host} in
	--solaris*)
	XML_LIBDIR="${XML_LIBDIR} -R${libdir}"
	;;
	esac



	dnl
	dnl Use buffers for content
	dnl

	AC_ARG_WITH(buffers, [ --with-buffers Use buffers for node content])
	if test "$with_buffers" = "yes" ; then
	CFLAGS="${CFLAGS} -DXML_USE_BUFFER_CONTENT"
	XML_CFLAGS="${XML_CFLAGS} -DXML_USE_BUFFER_CONTENT"
	fi

	dnl
	dnl Tester makes use of readline if present
	dnl
	_cppflags="${CPPFLAGS}"
	_ldflags="${LDFLAGS}"

	AC_ARG_WITH(readline,
	[ --with-readline=DIR use readline in DIR],[
	if test "$withval" != "no" -a "$withval" != "yes"; then
	RDL_DIR=$withval
	CPPFLAGS="${CPPFLAGS} -I$withval/include"
	LDFLAGS="${LDFLAGS} -L$withval/lib"
	fi
	])

	dnl check for terminal library. this is a very cool solution
	dnl from octave's configure.in
	unset tcap
	for termlib in ncurses curses termcap terminfo termlib; do
	AC_CHECK_LIB(${termlib}, tputs, [tcap="-l$termlib"])
	test -n "$tcap" && break
	done

	AC_CHECK_HEADER(readline/history.h,
	AC_CHECK_LIB(history, append_history,[
	RDL_LIBS="-lhistory"
	AC_DEFINE(HAVE_LIBHISTORY)]))
	AC_CHECK_HEADER(readline/readline.h,
	AC_CHECK_LIB(readline, readline,[
	RDL_LIBS="-lreadline $RDL_LIBS $tcap"
	AC_DEFINE(HAVE_LIBREADLINE)], , $tcap))
	if test -n "$RDL_DIR" -a -n "$RDL_LIBS"; then
	CPPFLAGS="$CPPFLAGS -I${RDL_DIR}/include"
	RDL_LIBS="-L${RDL_DIR}/lib $RDL_LIBS"
	else
	CPPFLAGS=${_cppflags}
	fi
	LDFLAGS=${_ldflags}

	AC_SUBST(RDL_LIBS)

	dnl
	dnl specific tests to setup DV's devel environment with debug etc ...
	dnl
	if test "${LOGNAME}" = "veillard" -a "`pwd`" = "/u/veillard/XML" ; then
	if test "${with_mem_debug}" = "" ; then
	with_mem_debug="yes"
	fi
	dnl if test "${with_docbook}" = "" ; then
	dnl with_docbook="yes"
	dnl fi
	if test "${with_xptr}" = "" ; then
	with_xptr="yes"
	fi
	CFLAGS="-Wall -g -pedantic"
	fi
	dnl
	dnl Aloow to disable various pieces
	dnl

	AC_ARG_WITH(ftp, [ --with-ftp Add the FTP support (on)])
	if test "$with_ftp" = "no" ; then
	echo Disabling FTP support
	WITH_FTP=0
	FTP_OBJ=
	else
	WITH_FTP=1
	FTP_OBJ=nanoftp.o
	fi
	AC_SUBST(WITH_FTP)
	AC_SUBST(FTP_OBJ)

	AC_ARG_WITH(http, [ --with-http Add the HTTP support (on)])
	if test "$with_http" = "no" ; then
	echo Disabling HTTP support
	WITH_HTTP=0
	HTTP_OBJ=
	else
	WITH_HTTP=1
	HTTP_OBJ=nanohttp.o
	fi
	AC_SUBST(WITH_HTTP)
	AC_SUBST(HTTP_OBJ)

	AC_ARG_WITH(html, [ --with-html Add the HTML support (on)])
	if test "$with_html" = "no" ; then
	echo Disabling HTML support
	WITH_HTML=0
	HTML_OBJ=
	else
	WITH_HTML=1
	HTML_OBJ="HTMLparser.o HTMLtree.o"
	fi
	AC_SUBST(WITH_HTML)
	AC_SUBST(HTML_OBJ)

	AC_ARG_WITH(xpath, [ --with-xpath Add the XPATH support (on)])
	if test "$with_xpath" = "no" ; then
	echo Disabling XPATH support
	with_xptr="no"
	WITH_XPATH=0
	XPATH_OBJ=
	else
	WITH_XPATH=1
	XPATH_OBJ=xpath.o
	fi
	AC_SUBST(WITH_XPATH)
	AC_SUBST(XPATH_OBJ)

	AC_ARG_WITH(xptr, [ --with-xptr Add the XPointer support (on)])
	if test "$with_xptr" = "no" ; then
	echo Disabling XPointer support
	WITH_XPTR=0
	XPTR_OBJ=
	else
	WITH_XPTR=1
	XPTR_OBJ=xpointer.o
	fi
	AC_SUBST(WITH_XPTR)
	AC_SUBST(XPTR_OBJ)

	AC_ARG_WITH(xinclude, [ --with-xinclude Add the XInclude support (on)])
	if test "$with_xinclude" = "no" ; then
	echo Disabling XInclude support
	WITH_XINCLUDE=0
	XINCLUDE_OBJ=
	with_xinclude="no"
	else
	WITH_XINCLUDE=1
	XINCLUDE_OBJ=xinclude.o
	fi
	AC_SUBST(WITH_XINCLUDE)
	AC_SUBST(XINCLUDE_OBJ)

	AC_ARG_WITH(iconv, [ --with-iconv Add the ICONV support (on)])
	if test "$with_iconv" = "no" ; then
	echo Disabling ICONV support
	WITH_ICONV=0
	else
	AC_CHECK_FUNC(iconv, , AC_CHECK_LIB(iconv, iconv))
	if test "$have_iconv" != "" ; then
	echo Iconv support not found
	WITH_ICONV=0
	else
	WITH_ICONV=1
	fi
	fi
	AC_SUBST(WITH_ICONV)

	AC_ARG_WITH(debug, [ --with-debug Add the debugging module (on)])
	if test "$with_debug" = "no" ; then
	echo Disabling DEBUG support
	WITH_DEBUG=0
	DEBUG_OBJ=
	else
	WITH_DEBUG=1
	DEBUG_OBJ=debugXML.o
	fi
	AC_SUBST(WITH_DEBUG)
	AC_SUBST(DEBUG_OBJ)

	AC_ARG_WITH(mem_debug, [ --with-mem-debug Add the memory debugging module (off)])
	if test "$with_mem_debug" = "yes" ; then
	echo Enabling memory debug support
	WITH_MEM_DEBUG=1
	else
	WITH_MEM_DEBUG=0
	fi
	AC_SUBST(WITH_MEM_DEBUG)

	AC_SUBST(CFLAGS)
	AC_SUBST(XML_CFLAGS)

	AC_SUBST(XML_LIBDIR)
	AC_SUBST(XML_LIBS)
	AC_SUBST(XML_INCLUDEDIR)
	AC_SUBST(HTML_DIR)
	AC_SUBST(HAVE_ISNAN)
	AC_SUBST(HAVE_ISINF)

	AC_SUBST(M_LIBS)
	AC_SUBST(RDL_LIBS)

	dnl
	dnl create the libxml and include links needed to get dependencies right
	dnl
	if test ! -d $srcdir/include/libxml
	then
	if test ! -d $srcdir/include
	then
	rm -f $srcdir/include
	mkdir $srcdir/include
	fi
	rm -f $srcdir/libxml
	(cd $srcdir/include ; ln -s .. libxml)
	fi
	if test ! -r $srcdir/libxml
	then
	(cd $srcdir ; ln -s include/libxml libxml)
	fi
	if test ! -r include/libxml
	then
	if test ! -d include
	then
	rm -f include
	mkdir include
	fi
	(cd include ; ln -s ../libxml libxml)
	fi
	if test ! -r libxml
	then
	rm -rf libxml
	ln -s $srcdir/include/libxml libxml
	fi

	AC_OUTPUT(libxml.spec Makefile include/Makefile doc/Makefile example/Makefile libxml/xmlversion.h xml2-config libxml-2.0.pc xml2Conf.sh)