[Buildroot] [git commit] arch/arm: remove OABI option
Arnout Vandecappelle
arnout at mind.be
Sat Aug 10 15:04:13 UTC 2013
On 14/07/13 22:09, Peter Korsgaard wrote:
> commit: http://git.buildroot.net/buildroot/commit/?id=adf9646229fc5ede51297e2dc703926e1127aa6f
> branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master
>
> OABI is more than legacy, it's dead.
>
> New developments should go with EABI, since it so much better.
>>From the Debian EABI page [0] :
> - floating point performance, with or without an FPU is very much faster
> - mixing soft and hardfloat code is possible
> - structure packing is not as painful as it used to be
> - a more efficient syscall convention
> - more compatibility with various tools
>
> [0] http://wiki.debian.org/ArmEabiPort
>
> [Thomas: keep the ABI choice, as we are going to introduce EABIhf later].
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> Signed-off-by: Peter Korsgaard <jacmet at sunsite.dk>
> ---
> arch/Config.in.arm | 7 -------
> 1 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/arch/Config.in.arm b/arch/Config.in.arm
> index 983cac4..4daa91f 100644
> --- a/arch/Config.in.arm
> +++ b/arch/Config.in.arm
> @@ -72,19 +72,12 @@ choice
> help
> Application Binary Interface to use
>
> - Note:
> - Using OABI is discouraged.
> -
> config BR2_ARM_EABI_CHOICE
> bool "EABI"
> -config BR2_ARM_OABI
I think this one should have been added to Config.in.legacy. If someone
has an old .config with OABI enabled, the conversion to EABI shouldn't be
silent, I think...
Regards,
Arnout
> - bool "OABI"
> - depends on !BR2_GCC_VERSION_4_7_X
> endchoice
>
> config BR2_ARM_EABI
> def_bool y
> - depends on !BR2_ARM_OABI
>
> config BR2_ARM_ENABLE_NEON
> bool "Enable NEON SIMD extension support"
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--
Arnout Vandecappelle arnout at mind be
Senior Embedded Software Architect +32-16-286500
Essensium/Mind http://www.mind.be
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