Date: Wed, 17 Jul 2013 20:12:23 +0800 From: Alie Tan <alie@afflemedialab.com> To: Andrew Turner <andrew@fubar.geek.nz> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: HEADS UP: The default ABI has changed Message-ID: <CANuCnH8-quahvyPRKgDgsfaOBS8cCvpGJ_ny9yn=1Gp%2BYMtxfQ@mail.gmail.com> In-Reply-To: <CANuCnH9Bd44jFXcXWV1FpXip-7BuPG2L01x0pHsQ2W=UGvnirg@mail.gmail.com> References: <20130716202516.10a67fec@bender.Home> <CANuCnH9Bd44jFXcXWV1FpXip-7BuPG2L01x0pHsQ2W=UGvnirg@mail.gmail.com>
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Sorry my bad, its due to my clock skewed On Wed, Jul 17, 2013 at 3:15 PM, Alie Tan <alie@afflemedialab.com> wrote: > Hi, > > Somehow i am getting error while compiling the latest code: > "Makefile", line 233: check your date/time: Wed Jul 17 15:14:02 SGT 2013 > > Any idea? is this related with the switch? > > Regards, > Alie T > > > On Wed, Jul 17, 2013 at 3:25 AM, Andrew Turner <andrew@fubar.geek.nz>wrote: > >> As of r253396 the default ABI on FreeBSD/ARM is the ARM EABI. If you >> run FreeBSD HEAD on an ARM CPU this will apply to you. >> >> If you are currently using the ARM EABI nothing should change for you >> other than you no longer need to set WITH_ARM_EABI as it is the default. >> >> If you are not sure what ABI you are running it is most likely the OABI. >> >> People currently running OABI have two options: >> 1. Stay on OABI by setting WITHOUT_ARM_EABI in make.conf, src.conf or >> on the command line. This option will be removed sometime in the >> future. >> 2. Move to ARM EABI by following the instructions below. >> >> By changing to EABI you will need to reinstall everything. This >> includes your kernel, world and ports/packages (i.e. everything). This >> is because the ABIs are incompatible with each other. Also not that an >> EABI kernel is unable to run OABI binaries and vice versa. >> >> The suggested way to upgrade to the ARM EABI is to rebuild your kernel >> and world with a second build machine then upgrade all ports and >> packages. Building and installing an ARM EABI kernel and world on an >> OABI system is not guaranteed to work, and it is almost certain to fail. >> >> Advantages of ARM EABI: >> - The main advantage is we are now more compatible with third party >> software that relies on the ABI. >> - Compatible with future toolchains. The OABI will likely get less >> testing as less people use it outside of FreeBSD. >> - Improved structure alignment rules. >> - Allow future work to enable Thumb-2 by updating the syscall >> interface. >> - Allow future work to enable the hard float variant of the ARM EABI. >> This will provide a performance improvement for code using floating >> point operations. >> >> There is a known issue with pkg where it will detect the wrong ABI. >> This is fixed upstream and will be available soon. >> >> Andrew >> _______________________________________________ >> freebsd-arm@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-arm >> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >> > >
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