On Fri, Apr 18, 2014 at 07:09:51PM +0900, Masahiro Yamada wrote: > Using __DATE__, __TIME__ would make the build non-deterministic. > > If the code needs to refer to build date/time, use U_BOOT_DATE and > U_BOOT_TIME in include/generated/timestamp_autogenerated.h instead. > > This commit has been imported from Linux Kernel, > which should be applied to U-Boot too: > > commit fe7c36c7bde12190341722af69358e42171162f3 > Author: Josh Triplett <j...@joshtriplett.org> > Date: Mon Dec 23 13:56:06 2013 -0800 > > Makefile: Build with -Werror=date-time if the compiler supports it > > GCC 4.9 and newer have a new warning -Wdate-time, which warns on any use > of __DATE__, __TIME__, or __TIMESTAMP__, which would make the build > non-deterministic. Now that the kernel does not use any of those > macros, turn on -Werror=date-time if available, to keep it that way. > > The kernel already (optionally) records this information at build time > in a single place; other kernel code should not duplicate that. > > Signed-off-by: Josh Triplett <j...@joshtriplett.org> > Signed-off-by: Michal Marek <mma...@suse.cz> > Signed-off-by: Masahiro Yamada <yamad...@jp.panasonic.com>
Applied to u-boot/master, thanks! -- Tom
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