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Re: Android native build of GCC
- From: Cyd Haselton <chaselton at gmail dot com>
- To: Andrew Haley <aph at redhat dot com>
- Cc: Hans-Peter Nilsson <hp at bitrange dot com>,"gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Sat, 07 Feb 2015 08:25:49 -0600
- Subject: Re: Android native build of GCC
- Authentication-results: sourceware.org; auth=none
- References: <54AE581C dot 5070003 at redhat dot com> <alpine dot BSF dot 2 dot 02 dot 1502060258210 dot 10842 at arjuna dot pair dot com> <54D48673 dot 9070901 at redhat dot com> <alpine dot BSF dot 2 dot 02 dot 1502060458370 dot 29537 at arjuna dot pair dot com> <54D49731 dot 7030407 at redhat dot com> <F47323AC-2C7B-47B8-B630-D03A629DD347 at gmail dot com> <54D4A6C2 dot 1040808 at redhat dot com> <CAHu5Prbo2J1p2ueC3G5A6r-ZUo0z6JG1X_9OmshEyKPjjh0hTQ at mail dot gmail dot com> <54D4EA79 dot 10909 at redhat dot com>
On February 6, 2015 10:23:21 AM CST, Andrew Haley <firstname.lastname@example.org> wrote:
>On 02/06/2015 04:11 PM, Cyd Haselton wrote:
>> On Fri, Feb 6, 2015 at 5:34 AM, Andrew Haley <email@example.com> wrote:
>>> On 02/06/2015 11:05 AM, Cyd Haselton wrote:
>>>> Technically not a bug, but a limitation of either fakechroot ported
>to Android, Android's severely stripped libc, or a combination of the
>>> I think it's a bug. libfakechroot presents a version of dlopen() on
>>> the assumption that the libc it's fronting has dlopen().
>> Wouldn't the ported version of libfakechroot do otherwise...i.e. take
>> into account that dlopen() does not reside in bionic?
>I have no idea. I would hope so.
>>> So, anyone probing for dlopen() finds it in libfakechroot.
>>> However, when that dlopen() is called you get a (very confusing)
>>> link error. This is a bug because if the underlying C library does
>>> not have dlopen() then libfakechroot should either not export it or
>>> should forward calls to the right library (which was libdl.so, I
>> Out of curiosity (and future libfakechroot porting purposes) how
>> this look? I know that this and the previous question are off -topic
>> to the original email so feel free to leave the list out of your
>I'd rather leave it on-list for future reference. The best thing
>would be for libfakechroot to be linked against libdl: that way, when
>dlopen() was called the link would be correctly satisfied. If that
>isn't possible (if dlopen() doesn't work or is incompatible) then
>libfakechroot shouldn't export the symbol for dlopen().
I;ve contacted the developer of KBOX and download sources. If possible, I'll build a corrected version and replace the existing.
Sent from my Android device with K-9 Mail. Please excuse my brevity.