From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Thu, 3 Sep 2020 21:49:41 +0200 Subject: [Buildroot] [RESEND PATCH v3 1/1] package/iputils: add configs to select which binaries are built In-Reply-To: <4e8f64ec-1797-a418-79d7-701380a767db@gmail.com> References: <20190829191722.18761-1-alejandro.gonzalez.correo@gmail.com> <4e8f64ec-1797-a418-79d7-701380a767db@gmail.com> Message-ID: <20200903214941.536f6956@windsurf.home> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On Sun, 15 Sep 2019 12:05:46 +0200 Alejandro Gonz?lez wrote: > By default, the iputils build script might build binaries which are > useless for certain applications, like tftpd or ninfod. Those binaries > will add to the target filesystem size unless a post-build script removes > them manually, which is cumbersome and doesn't shorten build times. > > In particular, in a certain aarch64 Buildroot project with musl selected > as a C library, this patch allowed to shrink the full iputils package from > 219 KiB (if every option is selected) to 63 KiB (with only the ping > binary selected) - a 71.2% relative size decrease. > > Moreover, upstream recently introduced a commit that disabled tftpd from > building by default, like rarpd. In the current state of things, this change > will introduce inconveniences for Buildroot users which prefer to use the > tftpd implementation provided by this package. With this patch, however, that > decision and similar future ones won't be a concern, because they will > have complete control of what binaries are built. > > These changes add Kconfig options which let the user select what > binaries are built with ease. > > Signed-off-by: Alejandro Gonz?lez > --- > Changes v2 -> v3: > - Several style revisions (suggested by Arnout) > - Simplify ninfod crypto dependencies logic (suggested by > Arnout) > - Better explain the rationale for this patch in the commit > message I have finally applied to master. The ninfod situation is now simpler because iputils no longer needs any external crypto library. Thanks! Thomas -- Thomas Petazzoni, CTO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com