+AM_CONDITIONAL(HAVE_NAUTILUS, test x$HAVE_NAUTILUS = "xyes")
+
+
+dnl Check for thumbnailer build
+AC_ARG_ENABLE(thumbnailer,
+ AC_HELP_STRING([--disable-thumbnailer],[disable the GNOME thumbnailer]),
+ [case "${enableval}" in
+ yes) ENABLE_THUMBNAILER=yes ;;
+ no) ENABLE_THUMBNAILER=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-thumbnailer) ;;
+ esac],
+ [ENABLE_THUMBNAILER=yes]) dnl Default value
+AM_CONDITIONAL(ENABLE_THUMBNAILER, test x$ENABLE_THUMBNAILER = "xyes")
+
+dnl GConf configuration
+AM_GCONF_SOURCE_2
+
+AC_PATH_PROG([GCONFTOOL], [gconftool-2], [no])
+if test "x$GCONFTOOL" = "xno"; then
+ AC_MSG_ERROR([gconftool-2 executable not found in your path - should be installed with GConf])
+fi
+
+dnl ================== portability checks ===========================================
+
+dnl for backtrace()
+AC_CHECK_HEADERS([execinfo.h])
+
+AC_CHECK_DECL([_NL_MEASUREMENT_MEASUREMENT],[
+ AC_DEFINE([HAVE__NL_MEASUREMENT_MEASUREMENT],[1],[Define if _NL_MEASUREMENT_MEASUREMENT is available])
+ ],[],[#include <langinfo.h>])
+
+dnl ================== pdf checks ===================================================
+AC_ARG_ENABLE(pdf,
+ [AC_HELP_STRING([--enable-pdf], [Compile with pdf support])],enable_pdf="$enableval",enable_pdf=yes)
+
+if test "x$enable_pdf" = "xyes"; then
+ POPPLER_REQUIRED=0.8.0
+ PKG_CHECK_MODULES(POPPLER, poppler-glib >= $POPPLER_REQUIRED,enable_pdf=yes,enable_pdf=no)
+
+ if test "x$enable_pdf" = "xyes"; then
+ AC_DEFINE([ENABLE_PDF], [1], [Enable pdf support.])
+ SHELL_LIBS="$SHELL_LIBS $POPPLER_LIBS"
+ SHELL_CFLAGS="$SHELL_CFLAGS $POPPLER_CFLAGS"
+
+ evince_save_LIBS=$LIBS
+ LIBS="$LIBS $POPPLER_LIBS"
+ AC_CHECK_FUNCS(poppler_page_render)
+ AC_CHECK_FUNCS(poppler_layers_iter_new)
+ LIBS=$evince_save_LIBS
+
+ PKG_CHECK_MODULES(CAIRO_PDF, cairo-pdf, enable_cairo_pdf=yes, enable_cairo_pdf=no)
+ if test x$enable_cairo_pdf = xyes; then
+ AC_DEFINE([HAVE_CAIRO_PDF], [1], [defined if cairo-pdf is available])
+ fi