Re: [PATCH v2] elf: Use the minimal malloc on tunables_strdup

[Adhemerval Zanella <adhemerval.zanella@linaro.org>]

> On 9 Nov 2021, at 20:09, Joseph Myers <joseph@codesourcery.com> wrote:
> 
> This seems to have caused build failures for many architectures (plus a 
> localplt test failure for i686-gnu, "Missing required PLT reference: 
> ld.so: __sbrk").
> 
> https://sourceware.org/pipermail/libc-testresults/2021q4/008843.html
> 
> alpha-linux-gnu seems representative of the build failures:
> 
> dl-minimal.c: In function '__chk_fail':
> dl-minimal.c:168:3: error: implicit declaration of function '_exit' [-Werror=implicit-function-declaration]
>  168 |   _exit (127);
>      |   ^~~~~
> dl-minimal.c:168:3: error: incompatible implicit declaration of built-in function '_exit' [-Werror=builtin-declaration-mismatch]
> In file included from <command-line>:
> dl-minimal.c: At top level:
> ./../include/libc-symbols.h:549:33: error: '__EI___libc_fatal' aliased to undefined symbol '__GI___libc_fatal'
>  549 |   extern thread __typeof (name) __EI_##name \
>      |                                 ^~~~~
> ./../include/libc-symbols.h:545:3: note: in expansion of macro '__hidden_ver2'
>  545 |   __hidden_ver2 (, local, internal, name)
>      |   ^~~~~~~~~~~~~
> ./../include/libc-symbols.h:554:41: note: in expansion of macro '__hidden_ver1'
>  554 | #  define hidden_def(name)              __hidden_ver1(__GI_##name, name, name);
>      |                                         ^~~~~~~~~~~~~
> ./../include/libc-symbols.h:646:32: note: in expansion of macro 'hidden_def'
>  646 | # define rtld_hidden_def(name) hidden_def (name)
>      |                                ^~~~~~~~~~
> dl-minimal.c:162:1: note: in expansion of macro 'rtld_hidden_def'
>  162 | rtld_hidden_def (__libc_fatal)
>      | ^~~~~~~~~~~~~~~
> 

I will take care of it.