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From: | Akihiko Odaki |
Subject: | Re: get_relocated_path: the configured paths are not looked for? |
Date: | Mon, 24 Apr 2023 03:39:35 +0900 |
User-agent: | Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 |
On 2023/04/24 3:37, Michael Tokarev wrote:
23.04.2023 21:33, Michael Tokarev пишет:$ cd /tmp; printf '#include <stdio.h>\nint main(){puts("Hello!");return 0;}' > hello.c; cp /usr/bin/gcc .; ./gcc hello.c; ./a.out ; ./gcc --version; ls -l gcc; cd /tmpHello!execve("/tmp/../lib/gcc/x86_64-linux-gnu/12/cc1", [...]) Since this is merged-usr system, it finds its component just fine, that's why it works here in /tmp, doesn't work in a subdir of /tmp, and doesn't work in your case (non-merged /usr).Still, GCC is an exception. It is very rare.
Oh, I was just wondering why it worked and digging what's going on. Thanks for the answer.
Well, I have nothing to say GCC is an exception or not, but it's certainly an important program so I still think it's better to talk with GCC packagers (and upstream developers perhaps?)
Regards, Akihiko Odaki
/mjt
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