From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Date: Thu, 22 Sep 2016 22:16:41 -0600 Subject: [U-Boot] [PATCH 1/2] Makefile: use if_change_dep for u-boot.cfg In-Reply-To: <20160919182026.18533-1-swarren@wwwdotorg.org> References: <20160919182026.18533-1-swarren@wwwdotorg.org> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 19 September 2016 at 12:20, Stephen Warren wrote: > From: Stephen Warren > > cmd_cpp_cfg generates a dependency output, but because it's invoked using > if_changed rather than if_changed_dep, that dependency file is ignored. > This results in Kbuild not knowing about which files u-boot.cfg depends > on, so it may not be rebuilt when required. > > A practical result of this is that u-boot.cfg may continue to reference > CONFIG_ options that no longer exist in the source tree, and this can > cause the adhoc config options check to fail. > > This change modifies Makefile to use if_changed_dep, which in turn causes > all dependencies to be known to the next make invocation. > > Signed-off-by: Stephen Warren > --- > Makefile | 2 +- > scripts/Makefile.spl | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) Reviewed-by: Simon Glass