From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Tue, 7 Oct 2014 09:48:32 +0200 Subject: [Buildroot] [autobuild.buildroot.net] Build results for 2014-10-04 In-Reply-To: References: <20141005063015.846CF101508@stock.ovh.net> Message-ID: <20141007094832.01c0f443@free-electrons.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Dear Matthew Weber, On Mon, 6 Oct 2014 14:45:07 -0500, Matthew Weber wrote: > > powerpc | protobuf-2.6.0 | NOK | http://autobuild.buildroot.net/results/3c1c620684a23b4cbb1cfa560096094cd9bf09ec/ > > powerpc | protobuf-2.6.0 | NOK | http://autobuild.buildroot.net/results/f1b70ebabd587987547424a21eefc530317026cd/ > > These powerpc builds use a gcc 4.5 compiler which doesn't provide the > generic atomicops implementation which is only exposed if GCC >= 4.7. > I looked at the BR2_ARCH_HAS_ATOMICS option as a possible dependency > to fix this but it seems like that option is always set if the ARCH > supports it. Not necessarily based on if a toolchain provides a > generic. Gaah, yes. We knew that we introducing the BR2_ARCH_HAS_ATOMICS thing, but making it a per-compiler version thing was really too annoying. Is there a way to build protobuf without those atomic operations, or not at all? Best regards, Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com