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

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

[Misono Tomohiro]

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 <misono.tomohiro@jp.fujitsu.com>
---
 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
-- 
2.14.3

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 <misono.tomohiro@jp.fujitsu.com>

Looks good.

Reviewed-by: Qu Wenruo <wqu@suse.com>

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
> 

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 <misono.tomohiro@jp.fujitsu.com>

Applied, thanks.