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Re: [PATCH] Rework -fno-omit-frame-pointer support on i386
- From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- To: Nix <nix at esperi dot org dot uk>
- Cc: libc-alpha at sourceware dot org
- Date: Thu, 16 Feb 2017 16:04:27 -0200
- Subject: Re: [PATCH] Rework -fno-omit-frame-pointer support on i386
- Authentication-results: sourceware.org; auth=none
- References: <1483966550-21038-1-git-send-email-adhemerval.zanella@linaro.org> <87tw98awfw.fsf@esperi.org.uk> <7c96e6a7-2138-3b59-6e36-1ace8c0b6605@linaro.org> <1a164bb9-8842-b60e-48bc-5a6233bfd78e@linaro.org> <c945c6fe-fdb3-cbec-2902-8e72ec3916a7@linaro.org>
Ping.
On 24/01/2017 18:14, Adhemerval Zanella wrote:
>
>
> On 17/01/2017 08:23, Adhemerval Zanella wrote:
>>
>>
>> On 10/01/2017 12:02, Adhemerval Zanella wrote:
>>>
>>>
>>> On 09/01/2017 17:02, Nix wrote:
>>>> On 9 Jan 2017, Adhemerval Zanella stated:
>>>>
>>>>> ifeq ($(subdir),misc)
>>>>> sysdep_routines += ioperm iopl vm86
>>>>> -CFLAGS-epoll_pwait.o += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-epoll_pwait.os += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-mmap.o += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-mmap.os += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-mmap64.o += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-mmap64.os += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-pselect.o += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-pselect.os += $(uses-6-syscall-arguments)
>>>>> -CFLAGS-rtld-mmap.os += $(uses-6-syscall-arguments)
>>>>> -endif
>>>>
>>>> Nice!
>>>>
>>>>> diff --git a/sysdeps/unix/sysv/linux/i386/configure.ac b/sysdeps/unix/sysv/linux/i386/configure.ac
>>>>> index 1a11da6..06ccb7b 100644
>>>>> --- a/sysdeps/unix/sysv/linux/i386/configure.ac
>>>>> +++ b/sysdeps/unix/sysv/linux/i386/configure.ac
>>>>> @@ -3,5 +3,24 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
>>>>>
>>>>> arch_minimum_kernel=2.6.32
>>>>>
>>>>> +# Check if CFLAGS sets -fno-omit-frame-pointer
>>>>> +AC_CACHE_CHECK(for if compiler flags sets -fno-omit-frame-pointer,
>>>>
>>>> Perhaps "for -fno-omit-frame-pointer in CFLAGS" might read better.
>>>
>>> Indeed, I changed it locally.
>>>
>>
>> Ping.
>>
>
> Ping.
>