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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: Wed, 11 Feb 2015 04:00:13 -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> <6A2D97AB-19B8-4A78-ABE7-B486D1C41FCC at gmail dot com> <54DB14AB dot 3040501 at redhat dot com>
On February 11, 2015 2:36:59 AM CST, Andrew Haley <email@example.com> wrote:
>On 11/02/15 00:41, Cyd Haselton wrote:
>>> I'd rather leave it on-list for future reference. The best thing
>>> would be for libfakechroot to be linked against libdl: that way,
>>> 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().
>> After experimenting with several builds of the fakechroot library I
>> can't see how this would be possible. Even when libdl is linked in,
>> hiding dlopen guarantees that the resulting library doesn't
>> intercept dlopen calls, which breaks the fakechroot environment and
>> removing the fakechroot dlopen code also ensures that dlopen calls
>> aren't intercepted.
>I don't get it. If libdl is linked in, why would you hide dlopen() ?
libdl was linked in the original, buggy libfakechroot...the one that exported dlopen().
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