Re: [PATCH] btrfs-progs: configure: check if xmlto exists at configure time

[David Sterba]

On Wed, Apr 11, 2018 at 05:29:00PM +0900, Misono Tomohiro wrote:
> AC_PATH_PROG won't fail even if it fails to find command path.
> xmlto is required for document build and we should report error
> if it doesn't exist at configure time.
> 
> Signed-off-by: Tomohiro Misono 

Applied, thanks.
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Re: [PATCH] btrfs-progs: configure: check if xmlto exists at configure time

[Qu Wenruo]

On 2018年04月11日 16:29, Misono Tomohiro wrote:
> AC_PATH_PROG won't fail even if it fails to find command path.
> xmlto is required for document build and we should report error
> if it doesn't exist at configure time.
> 
> Signed-off-by: Tomohiro Misono 

Looks good.

Reviewed-by: Qu Wenruo 

Thanks,
Qu
> ---
>  configure.ac | 6 +-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index af13a959..a4c98b31 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -93,7 +93,11 @@ AC_SUBST([DISABLE_DOCUMENTATION])
>  dnl detect tools to build documentation
>  ASCIIDOC_TOOL="none"
>  if test "x$enable_documentation" = xyes; then
> - AC_PATH_PROG([XMLTO], [xmlto], [xmlto])
> + AC_PATH_PROG([XMLTO], [xmlto])
> + if test -z "$XMLTO"; then
> + AC_MSG_ERROR([cannot find xmlto, cannot build documentation])
> + fi
> +
>   AC_PATH_PROG([GZIP], [gzip], [gzip])
>   AC_PATH_PROG([MV], [mv], [mv])
>   AC_PROG_SED
> 
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