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Published 20 hours ago • verified publisher icon rofl0r

Dl_info is undeclared with uclibc-ng without __USE_GNU

Open fda77 opened this issue 1 year ago • 4 comments

  • like https://github.com/rofl0r/proxychains-ng/issues/338
  • refs https://github.com/wbx-github/uclibc-ng/blob/v1.0.44/include/dlfcn.h#L90
  • used https://github.com/Freetz-NG/freetz-ng/commit/3336514d8c5a49dd346432b68c0611be2ff37ea1

fda77 avatar Oct 06 '23 11:10 fda77

__USE_GNU is an internal macro, most likely set by features.h when _GNU_SOURCE or similar is used. the latter is the macro supposed to be used by the application.

rofl0r avatar Oct 08 '23 20:10 rofl0r

Thx. I'm not much experienced in this. By add -D_GNU_SOURCE to CFLAGS and removing this patch/pr, compiling also works. Is this the better way? With older proxychains versions this was nothing needed "_GNU_SOURCE" redefined shows for https://github.com/rofl0r/proxychains-ng/blob/master/src/daemon/daemon.c#L8 then

fda77 avatar Oct 10 '23 00:10 fda77

it would be best to write a configure check for this, but unconditionally putting _GNU_SOURCE into CFLAGS or before including any header in the file using Dl_info should work too, though the BSDs sometimes become annoying when you enable gnu features.

rofl0r avatar Oct 11 '23 19:10 rofl0r

Sorry, I can't help writing a configure script, but i can test if it works. Meanwhile i'm using it this way: https://github.com/Freetz-NG/freetz-ng/commit/23cf5e65d95e7f0c1d6d2d05687c6f40a01fefe3

fda77 avatar Oct 11 '23 20:10 fda77

Sry, that was unexpected and i cant open it again due to missing permissions

fda77 avatar Apr 03 '24 23:04 fda77

i can't either but i guess it's OK. uclibc is dying out, but if other users come across this error they should find this via a search engine.

rofl0r avatar Apr 04 '24 12:04 rofl0r

It died since latest version 1.0.47 of 27.03.2024, 1 week ago? But its okay, im using a local fix

fda77 avatar Apr 04 '24 12:04 fda77

15 May 2012, uClibc 0.9.33.2 Released

are you refering to uclibc-ng ?

//edit: oh, it says so even in the PR title

rofl0r avatar Apr 04 '24 13:04 rofl0r

@wbx-github maybe uclibc-ng can be made to expose this using the same feature test macros than glibc ?

rofl0r avatar Apr 04 '24 13:04 rofl0r