From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abdul Haleem Subject: Re: [linux-next][bisected c7c133f3][gcc 4.8.5] build fail with error: first argument to =?UTF-8?Q?=E2=80=98=5F=5Fbuiltin=5Fchoose=5Fexpr=E2=80=99?= not a constant Date: Wed, 14 Mar 2018 15:29:06 +0530 Message-ID: <1521021546.31953.12.camel@abdul.in.ibm.com> References: <1521016194.31953.9.camel@abdul.in.ibm.com> <20180314193957.5f835d33@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20180314193957.5f835d33@canb.auug.org.au> Sender: linux-kernel-owner@vger.kernel.org To: Stephen Rothwell Cc: linuxppc-dev , linux-next , linux-kernel , Kees Cook , mpe , sachinp List-Id: linux-next.vger.kernel.org On Wed, 2018-03-14 at 19:39 +1100, Stephen Rothwell wrote: > Hi Abdul, > > On Wed, 14 Mar 2018 13:59:54 +0530 Abdul Haleem wrote: > > > > Today's next kernel fails to build with gcc 4.8.5 on powerpc machine. > > Thanks for the report. Just for the future, please include the > next-XXXXXXXX tag when making reports about linux-next. Sure, I will. next-20180313 is the bad tag > > > ./include/linux/jiffies.h: In function ‘jiffies_delta_to_clock_t’: > > ./include/linux/kernel.h:855:2: error: first argument to ‘__builtin_choose_expr’ not a constant > > __builtin_choose_expr(__builtin_constant_p(x) && \ > > ^ > > ./include/linux/kernel.h:867:19: note: in expansion of macro ‘__max’ > > #define max(x, y) __max(typeof(x), typeof(y), x, y) > > > > Machine Type: Power8 Baremetal > > gcc: 4.8.5 > > > > > > Builds fine when below patch is reverted > > c7c133f3 kernel.h: skip single-eval logic on literals in min()/max() > > Those patches have been removed from today's linux-next (next-20180314). -- Regard's Abdul Haleem IBM Linux Technology Centre