-dnl Die if the user tries to configure as root, see:
-dnl https://www.redhat.com/archives/libguestfs/2010-April/msg00098.html
-AC_MSG_CHECKING([if you are trying to configure as root])
-AS_IF([test "`id -u`" = 0 ],[
- AC_MSG_RESULT([yes])
- AC_MSG_FAILURE([Don't run './configure' or 'make' as root.])
- ],[
- AC_MSG_RESULT([no])
- ])
+dnl Extra string, a freeform string defined by packagers.
+AC_ARG_WITH([extra],
+ [AS_HELP_STRING([--with-extra],
+ [extra version string (for use by packagers)])],
+ [libguestfs_extra="$withval"],
+ [libguestfs_extra=]
+)
+
+AC_MSG_NOTICE([libguestfs version libguestfs_major.libguestfs_minor.libguestfs_release$libguestfs_extra])
+
+dnl Split up the version string.
+AC_DEFINE([PACKAGE_VERSION_MAJOR],[libguestfs_major],[Major version number])
+AC_DEFINE([PACKAGE_VERSION_MINOR],[libguestfs_minor],[Minor version number])
+AC_DEFINE([PACKAGE_VERSION_RELEASE],[libguestfs_release],[Release number])
+AC_DEFINE_UNQUOTED([PACKAGE_VERSION_EXTRA],["$libguestfs_extra"],[Extra version string])