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Re: Cross compiled GCC wrongly builds dynamic executables
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Alastair Hughes <hobbitalastair at yandex dot com>
- Cc: "gcc-help at gcc dot gnu dot org" <gcc-help at gcc dot gnu dot org>
- Date: Fri, 19 Aug 2016 13:48:00 -0700
- Subject: Re: Cross compiled GCC wrongly builds dynamic executables
- Authentication-results: sourceware.org; auth=none
- References: <14461471638957@web18g.yandex.ru>
On Fri, Aug 19, 2016 at 1:35 PM, Alastair Hughes
<hobbitalastair@yandex.com> wrote:
> Hi all!
>
> I am cross compiling GCC to produce a compiler to run on the target machine (ie --build="${_local_triplet}" --host="${_target_triplet}" --target="${_target_triplet}"). The target system is a simple *statically linked* musl-libc based system.
> After a recent upgrade to binutils 2.27, the cross compiled cc1 and cc1plus executables where generated as *dynamically linked*, due to a combination of the -rdynamic flag to GCC during the build, and a recent change in binutils (https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=bf89386a862ace008f0152bca8bddf996d3993c8, https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=9c1d7a087682074d585253ad38719ec2363eb2b7 - the first commit being problematic).
>
> I am unsure as to whether this is an issue with the GCC build, something that I have configured, or a bug in binutils. Why is -rdynamic being passed when building cc1 and cc1plus? Is that what should be happening, a bug, or a problem with how I have configured GCC?
>
> I've also CC'd the committer in case he can explain.
>
It is for GCC plugin. Does your compiler support GCC plugin?
If not, you should configure your GCC with --disable-plugin.
--
H.J.