From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Fri, 16 Aug 2013 09:24:41 -0700 Subject: [U-Boot] [PATCH v4] SPL: Makefile: Build a separate autoconf.mk for SPL In-Reply-To: <1376637284-4538-1-git-send-email-ying.zhang@freescale.com> References: <1376637284-4538-1-git-send-email-ying.zhang@freescale.com> Message-ID: <520E5249.3020904@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 08/16/2013 12:14 AM, ying.zhang at freescale.com wrote: > From: Ying Zhang > > SPL defines CONFIG_SPL_BUILD but this does not percolate to the autoconf.mk Makefile. > As a result the build breaks when CONFIG_SPL_BUILD is used in the board-specific include > header file. With this, there is a possibility of having a CONFIG option defined in the > header file but not defined in the Makefile causing all kinds of build failure and problems. > > It also messes things for up, for example, when one might want to undefine options to > keep the SPL small and doesn't want to be stuck with the CONFIG options used for U-boot. > Lastly, this also avoids defining special CONFIG_SPL_ variables for cases where some > options are required in U-boot but not in SPL. > > We add a spl-autoconf.mk rule that is generated for SPL with the CONFIG_SPL_BUILD flag > and conditionally include it for SPL builds. > > Signed-off-by: Ying Zhang This patch changes Makefile and config.mk. I will need an ack from Tom before I can apply this patch to 85xx/master. York