Patch to fix compilation on systems not debian. Taken from

http://wiki.navit-project.org/index.php/Navit_on_OpenEmbedded_for_n810#libgpsmgr_patch

Index: libgpsbt-0.1/configure.ac
===================================================================
--- libgpsbt-0.1.orig/configure.ac
+++ libgpsbt-0.1/configure.ac
@@ -1,6 +1,5 @@
-AC_INIT(Makefile.am)
-AM_INIT_AUTOMAKE(libgpsbt, patsubst(esyscmd([dpkg-parsechangelog | sed -n '/^Version: \(.*\)$/ {s//\1/;p}']), [
-]))
+AC_INIT(Makefile.am, [0.1])
+AM_INIT_AUTOMAKE(libgpsbt, [0.1])
 AM_CONFIG_HEADER(config.h)
 
 AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[Debug (default=no)])])