[],[AC_MSG_ERROR([libnautilus-extension not found; use --disable-nautilus to disable the nautilus extensions])])
NAUTILUS_EXTENSION_DIR=`$PKG_CONFIG --variable=extensiondir libnautilus-extension`
AC_SUBST([nautilusextensiondir],[$NAUTILUS_EXTENSION_DIR])
[],[AC_MSG_ERROR([libnautilus-extension not found; use --disable-nautilus to disable the nautilus extensions])])
NAUTILUS_EXTENSION_DIR=`$PKG_CONFIG --variable=extensiondir libnautilus-extension`
AC_SUBST([nautilusextensiondir],[$NAUTILUS_EXTENSION_DIR])