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Re: [Libguestfs] [v2v PATCH] build: add --with-extra configure parameter



On Mon, Dec 16, 2019 at 05:18:19PM +0100, Pino Toscano wrote:
> Borrow this feature from libguestfs, so it is possible to "watermark"
> the virt-v2v executable with a extra string to the version string.
> ---
>  configure.ac | 30 +++++++++++++++++++++++++++---
>  1 file changed, 27 insertions(+), 3 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 00246f29..e2418564 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -15,7 +15,14 @@
>  # along with this program; if not, write to the Free Software
>  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
>  
> -AC_INIT([virt-v2v],1.41.8)
> +# The major, minor, and release fields MUST be numbers.  Packagers can
> +# add extra information using --with-extra="..." which may be any
> +# freeform string.
> +m4_define([v2v_major],   [1])
> +m4_define([v2v_minor],   [41])
> +m4_define([v2v_release], [8])
> +
> +AC_INIT([virt-v2v],v2v_major.v2v_minor.v2v_release)
>  
>  # Headings within the configure script output.
>  m4_define([HEADING],
> @@ -37,6 +44,25 @@ AC_CONFIG_MACRO_DIR([m4])
>  dnl Initialize libtool.
>  LT_INIT
>  
> +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)])],
> +    [v2v_extra="$withval"],
> +    [v2v_extra=]
> +)
> +
> +AC_MSG_NOTICE([virt-v2v version v2v_major.v2v_minor.v2v_release$v2v_extra])
> +
> +dnl Split up the version string.
> +AC_DEFINE([PACKAGE_VERSION_MAJOR],[v2v_major],[Major version number.])
> +AC_DEFINE([PACKAGE_VERSION_MINOR],[v2v_minor],[Minor version number.])
> +AC_DEFINE([PACKAGE_VERSION_RELEASE],[v2v_release],[Release number.])
> +AC_DEFINE_UNQUOTED([PACKAGE_VERSION_EXTRA],["$v2v_extra"],[Extra version string.])
> +PACKAGE_VERSION_FULL="v2v_major.v2v_minor.v2v_release${v2v_extra}"
> +AC_DEFINE_UNQUOTED([PACKAGE_VERSION_FULL],["$PACKAGE_VERSION_FULL"],[Full version string.])
> +AC_SUBST([PACKAGE_VERSION_FULL])
> +
>  dnl Early gnulib initialization.
>  HEADING([Configuring Gnulib])
>  gl_EARLY
> @@ -79,8 +105,6 @@ dnl These are required to get common/*/Makefile.am files
>  dnl to work.  We should further decouple these in future XXX
>  AM_CONDITIONAL([ENABLE_APPLIANCE],[true])
>  AM_CONDITIONAL([HAVE_PYTHON],[false])  dnl Disables a test
> -AC_DEFINE_UNQUOTED([PACKAGE_VERSION_FULL],["$PACKAGE_VERSION"],[Version string.])
> -AC_SUBST([PACKAGE_VERSION_FULL], [$PACKAGE_VERSION])
>  

Sure ACK.  I guess ‘virt-v2v --version’ now prints the extra field
because of print_version_and_exit in common/mltools/tools_utils.ml?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org


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