dnl Process this file with autoconf to create configure.

AC_INIT(ChangeLog)
AM_INIT_AUTOMAKE(pango, 0.11)

AM_CONFIG_HEADER(config.h)

AC_PROG_CC
AM_PROG_LIBTOOL

changequote(,)dnl
if test "x$GCC" = "xyes"; then
  case " $CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac
fi
changequote([,])dnl

AC_PATH_X
if test x$no_x = xyes ; then
  AC_MSG_ERROR([X development libraries not found])
fi 
X_LIBS="-L$x_libraries -lX11"
AC_SUBST(X_LIBS)

AM_PATH_GLIB(1.3.1,,
             AC_MSG_ERROR([GLib 1.3.1 is required for building Pango]),
	     gmodule gobject)

AC_PATH_PROG(FRIBIDI_CONFIG, fribidi-config, no)
if test x$FRIBIDI_CONFIG = xno ; then
  AC_MSG_ERROR([*** fribidi-config not found])
fi
FRIBIDI_CFLAGS="`$FRIBIDI_CONFIG --cflags`"
CFLAGS="$CFLAGS $FRIBIDI_CFLAGS"
FRIBIDI_LIBS="`$FRIBIDI_CONFIG --libs`"
AC_SUBST(FRIBIDI_LIBS)
AC_SUBST(FRIBIDI_CFLAGS)

AC_CHECK_LIB(fribidi, fribidi_map_range, :,
	     AC_MSG_ERROR([*** libfribidi not found.]), $FRIBIDI_LIBS)


AC_PATH_PROG(GLIB_CONFIG, glib-config, no)
if test x$GLIB_CONFIG = xno ; then
  AC_MSG_ERROR([*** glib-config not found])
fi
GLIB_CFLAGS="`$GLIB_CONFIG --cflags gmodule gobject`"
CFLAGS="$CFLAGS $GLIB_CFLAGS"
GLIB_LIBS="`$GLIB_CONFIG --libs gmodule gobject`"
AC_SUBST(GLIB_LIBS)
AC_SUBST(GLIB_CFLAGS)


#
# Checks for iconv
#
AC_ARG_WITH(libiconv, [ --with-libiconv     Use the libiconv library ],,with_libiconv=maybe)

found_iconv=no

if ! test "x$with_libiconv" = "xyes" ; then
   # 
   # Check in the C library 
   #
   AC_CHECK_FUNC(iconv_open, with_libiconv=no; found_iconv=yes)
fi

if test "x$with_libiconv" != "xno" ; then
   #
   # Check for libiconv
   #
   AC_CHECK_LIB(iconv, libiconv_open, with_libiconv=yes; found_iconv=yes)
fi

if test "x$found_iconv" = "xno" ; then
   AC_MSG_ERROR([*** No iconv() implementation found in C library or libiconv])
fi

UNICODE_CFLAGS=
UNICODE_LIBS=
if test "x$with_libiconv" = "xyes" ; then
  UNICODE_LIBS="-liconv"
fi
AC_SUBST(UNICODE_CFLAGS)
AC_SUBST(UNICODE_LIBS)
  
#
# Allow building some or all modules included
#
AC_ARG_WITH(included_modules, [ --with-included-modules=MODULE1,MODULE2,...     Build the given modules into Pango])

included_modules=""
if ! test "x$with_included_modules" = xno || test "x$with_included_modules" = x ; then

   # If no modules specified, include all modules
   if test "x$with_included_modules" = xyes ; then  
     included_modules="arabic,devanagari,basic,hangul,tamil,thai"
   else
     included_modules="$with_included_modules"
   fi
fi

INCLUDED_MODULES=
IFS="${IFS= 	}"; pango_save_ifs="$IFS"; IFS=","
for module in $included_modules; do
  INCLUDED_MODULES="$INCLUDED_MODULES \$(top_builddir)/modules/$module/libpango-$module.la"
done
IFS="$pango_save_ifs"

AC_SUBST(INCLUDED_MODULES)

AM_CONDITIONAL(INCLUDE_ARABIC,echo $included_modules | grep '\(^\|,\)arabic\($\|,\)' > /dev/null)
AM_CONDITIONAL(INCLUDE_BASIC,echo $included_modules | grep '\(^\|,\)basic\($\|,\)' > /dev/null)
AM_CONDITIONAL(INCLUDE_DEVANAGARI,echo $included_modules | grep '\(^\|,\)devanagari\($\|,\)' > /dev/null)
AM_CONDITIONAL(INCLUDE_HANGUL,echo $included_modules | grep '\(^\|,\)hangul\($\|,\)' > /dev/null)
AM_CONDITIONAL(INCLUDE_TAMIL,echo $included_modules | grep '\(^\|,\)tamil\($\|,\)' > /dev/null)
AM_CONDITIONAL(INCLUDE_THAI,echo $included_modules | grep '\(^\|,\)thai\($\|,\)' > /dev/null)

#
# We use flockfile to implement pango_getline() - should be moved to GLib
#
AC_CHECK_FUNCS(flockfile)

#
# Check for Qt - which we use for building the viewer example, if
# present
#

AC_ARG_WITH(qt, [ --with-qt=DIR    Location where Qt is installed],,with_qt=yes)

QTDIR=
AC_MSG_CHECKING(For Qt location)
  
if test "x$with_qt" = xyes ; then         
# Search for Qt in various possibly standard ocations
   for dir in /usr/lib/qt-2.1.0 /usr/lib/qt-2.0.1 /usr/lib/qt-2.0.0 /usr/lib/qt2 ; do
      if test -x $dir/bin/moc ; then
         QTDIR=$dir
         break
      fi
   done

else
   if ! test "x$with_qt" = xno ; then
      if test -x $with_qt/bin/moc ; then
         QTDIR=$with_qt
      fi
   fi
fi

if test "x$QTDIR" = x ; then
  AC_MSG_RESULT(none)
else
  AC_MSG_RESULT($QTDIR)
  
  AC_PROG_CXX
fi

AM_CONDITIONAL(BUILD_QT_TEST, ! test "x$QTDIR" = x)
AC_SUBST(QTDIR)
  
#
# Check for gtkdoc
#
AC_CHECK_PROG(gtkdoc, gtkdoc-scan, yes, no)
AM_CONDITIONAL(HAVE_GTK_DOC, test x$gtkdoc = xyes)



AC_OUTPUT_COMMANDS([
cat > pango/module-defs.c <<EOTEXT
/* Autogenerated by configure. Do not edit */

#include "modules.h"

EOTEXT

IFS="${IFS= 	}"; pango_save_ifs="$IFS"; IFS=","
for module in $included_modules; do
  cat >> pango/module-defs.c <<EOTEXT
extern void         _pango_${module}_script_engine_list (PangoEngineInfo **engines, int *n_engines);
extern PangoEngine *_pango_${module}_script_engine_load (const char *id);
extern void         _pango_${module}_script_engine_unload (PangoEngine *engine);

EOTEXT
done
IFS="$pango_save_ifs"

cat >> pango/module-defs.c <<EOTEXT

PangoIncludedModule _pango_included_modules[] = {
EOTEXT

IFS="${IFS= 	}"; pango_save_ifs="$IFS"; IFS=","
for module in $included_modules; do
  cat >> pango/module-defs.c <<EOTEXT
 { _pango_${module}_script_engine_list, _pango_${module}_script_engine_load,_pango_${module}_script_engine_unload },
EOTEXT
done
IFS="$pango_save_ifs"

cat >> pango/module-defs.c <<EOTEXT
 { NULL, NULL, NULL },
};
EOTEXT

],[
included_modules=$included_modules
])

AC_OUTPUT([
Makefile 
pango/Makefile
modules/Makefile
modules/arabic/Makefile
modules/basic/Makefile
modules/devanagari/Makefile
modules/hangul/Makefile
modules/tamil/Makefile
modules/thai/Makefile
examples/Makefile
docs/Makefile
tools/Makefile
fonts/Makefile
pango.spec
pango-config
],[case "$CONFIG_FILES" in
*pango-config*)chmod +x pango-config;;
esac])