guix-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Problem with natively-built armhf bootstrap compiler


From: Ludovic Courtès
Subject: Re: Problem with natively-built armhf bootstrap compiler
Date: Wed, 07 Jan 2015 14:15:52 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

Mark H Weaver <address@hidden> skribis:

>> diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
>> index a7156bf..dd33a26 100644
>> --- a/gnu/packages/gcc.scm
>> +++ b/gnu/packages/gcc.scm
>> @@ -213,7 +213,7 @@ where the OS part is overloaded to denote a specific 
>> ABI---into GCC
>>                     ;; below, make sure to update the relevant code in
>>                     ;; %gcc-static package as needed.
>>                     (format #f "#define GNU_USER_TARGET_LIB_SPEC \
>> -\"-L~a/lib %{!static:-rpath=~a/lib %{!static-libgcc:-rpath=~a/lib64 
>> -rpath=~a/lib -lgcc_s}} \" ~a"
>> +\"-L~a/lib %{!static:-rpath=~a/lib %{!static-libgcc:-rpath=~a/lib64 
>> -rpath=~a/lib %{pthread: -lgcc_s}}} \" ~a"
>>                             libc libc libdir libdir suffix))
>>                    (("#define GNU_USER_TARGET_STARTFILE_SPEC.*$" line)
>>                     (format #f "#define STANDARD_STARTFILE_PREFIX_1 
>> \"~a/lib\"
>>
>> I believe this is enough to address what the comment mentions (glibc
>> dlopening libgcc_s for pthread functions), but this will need testing.

I see you applied this patch.  However, after grepping through libc, I
found there are other cases where libgcc_s is dlopened, including to
walk the stack, which has nothing to do with pthread.

So I think the status quo is safer.

WDYT?

Ludo’, who hopes gnu.org will be back soon.



reply via email to

[Prev in Thread] Current Thread [Next in Thread]