Re: [PATCH] xfsprogs: make scrub build config-optional

[Bill O'Donnell <billodo@redhat.com>]

On Mon, Sep 24, 2018 at 12:07:00PM -0500, Eric Sandeen wrote:
> This lets us do:
> 
> # ./configure --enable-scrub=no
> or
> # ./configure --disable-scrub
> 
> for any distros that may not want to ship the experimental scrub utility.
> 
> The default is still to build scrub.
> 
> Signed-off-by: Eric Sandeen <sandeen@redhat.com>

Looks good.
Reviewed-by: Bill O'Donnell <billodo@redhat.com>

> ---
> 
> (skipping libicu checks is maybe overkill, I can drop that
> if preferred; checking but not using is harmless)
> 
> diff --git a/Makefile b/Makefile
> index 6774825..dd6ad16 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -49,7 +49,11 @@ LIBFROG_SUBDIR = libfrog
>  DLIB_SUBDIRS = libxlog libxcmd libhandle
>  LIB_SUBDIRS = libxfs $(DLIB_SUBDIRS)
>  TOOL_SUBDIRS = copy db estimate fsck growfs io logprint mkfs quota \
> -		mdrestore repair rtcp m4 man doc debian spaceman scrub
> +		mdrestore repair rtcp m4 man doc debian spaceman
> +
> +ifeq ("$(ENABLE_SCRUB)","yes")
> +TOOL_SUBDIRS += scrub
> +endif
>  
>  ifneq ("$(PKG_PLATFORM)","darwin")
>  TOOL_SUBDIRS += fsr
> diff --git a/configure.ac b/configure.ac
> index 5fdf78e..467ca2d 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -95,9 +95,15 @@ AC_ARG_ENABLE(lto,
>  	enable_lto=probe)
>  AC_SUBST(enable_lto)
>  
> +# Enable xfs_scrub build
> +AC_ARG_ENABLE(scrub,
> +[ --enable-scrub=[yes/no]    Enable build of xfs_scrub utility [default=yes]],,
> +	enable_scrub=yes)
> +AC_SUBST(enable_scrub)
> +
>  # Enable libicu for xfs_scrubbing of malicious unicode sequences in names
>  AC_ARG_ENABLE(libicu,
> -[ --enable-libicu=[yes/no]   Enable Unicode name scanning (libicu) [default=probe]],,
> +[ --enable-libicu=[yes/no]   Enable Unicode name scanning in xfs_scrub (libicu) [default=probe]],,
>  	enable_libicu=probe)
>  
>  #
> @@ -178,11 +184,13 @@ AC_HAVE_DEVMAPPER
>  AC_HAVE_MALLINFO
>  AC_PACKAGE_WANT_ATTRIBUTES_H
>  AC_HAVE_LIBATTR
> -if test "$enable_libicu" = "yes" || test "$enable_libicu" = "probe"; then
> -	AC_HAVE_LIBICU
> -fi
> -if test "$enable_libicu" = "yes" && test "$have_libicu" != "yes"; then
> -        AC_MSG_ERROR([libicu not found.])
> +if test "$enable_scrub" = "yes"; then
> +        if test "$enable_libicu" = "yes" || test "$enable_libicu" = "probe"; then
> +                AC_HAVE_LIBICU
> +        fi
> +        if test "$enable_libicu" = "yes" && test "$have_libicu" != "yes"; then
> +                AC_MSG_ERROR([libicu not found.])
> +        fi
>  fi
>  AC_HAVE_OPENAT
>  AC_HAVE_FSTATAT
> diff --git a/include/builddefs.in b/include/builddefs.in
> index f7d39a4..f3fc187 100644
> --- a/include/builddefs.in
> +++ b/include/builddefs.in
> @@ -81,6 +81,7 @@ ENABLE_GETTEXT	= @enable_gettext@
>  ENABLE_EDITLINE	= @enable_editline@
>  ENABLE_READLINE	= @enable_readline@
>  ENABLE_BLKID	= @enable_blkid@
> +ENABLE_SCRUB	= @enable_scrub@
>  
>  HAVE_ZIPPED_MANPAGES = @have_zipped_manpages@
>  
>