From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Frysinger Date: Tue, 24 Jul 2012 11:28:11 -0400 Subject: [U-Boot] [PATCH] dts/Makefile: Turn off system-/gcc-specific predefined macros In-Reply-To: <500E74B8.1060406@aon.at> References: <1342184620-31448-1-git-send-email-hkronsto@frequentis.com> <201207182322.05798.vapier@gentoo.org> <500E74B8.1060406@aon.at> Message-ID: <201207241128.12263.vapier@gentoo.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tuesday 24 July 2012 06:11:04 Horst Kronstorfer wrote: > On 07/19/2012 05:22 AM, Mike Frysinger wrote: > > On Friday 13 July 2012 09:03:40 Horst Kronstorfer wrote: > >> Add '-undef' to DTS_CPPFLAGS to avoid unwanted expansion of dts content > >> that matches system-specific or gcc-specific predefined macros. > >> > >> Example: A number of PowerPC related *.dts files in the kernel define a > >> property named 'linux,network-index' which (w/o '-undef') is expanded to > >> '1,network-index' by the preprocessor because of '#define linux 1.' > > > > i think you should use -ansi instead. that's what we use in other places > > for the same reason. > > this would increase the probability of a name clash. no idea what you're talking about. have you actually looked at the output of `gcc -E -dD -ansi` ? -mike -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: This is a digitally signed message part. URL: