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Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks

Cross-posted to 2 groups.

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Hi!

On Sun, 2025-02-02 at 23:40:45 +0100, Aurelien Jarno wrote:
> Package: debian-policy
> Version: 4.7.0.2
> Severity: normal
> Tags: patch

> The section 8.4, Development files, mentions that the development
> package should contain a symlink for the associated shared library
> without a version number. In practice a linker script could be used
> instead, this is for instance the case of libncurses.so, libncursesw.so,
> libc.so, and also libm.so for architectures which support the vector
> math library.

(Also for libbsd.so.)

> Here is a proposal to update the existing paragraph: 
> 
>  The development package should contain either a symlink or a linker
>  script for the associated shared library without a version number. For
>  example, the libgdbm-dev package should include a symlink from
>  /usr/lib/libgdbm.so to libgdbm.so.3.0.0, or a linker script that
>  achieves the same effect. This symlink or linker script is needed by
>  the linker (ld) when compiling packages, as it will only look for
>  libgdbm.so when compiling dynamically.

I'm not sure whether it would be worth stating that such linker
scripts should include the "GNU ld script" string as a comment or use
the GROUP directive, in the first 512 bytes of the file, otherwise
ldconfig will be unhappy.

Thanks,
Guillem

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Thread

Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Aurelien Jarno <aurel32@debian.org> - 2025-02-02 23:50 +0100
  Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Bill Allombert <ballombe@debian.org> - 2025-02-03 00:00 +0100
    Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Aurelien Jarno <aurel32@debian.org> - 2025-02-03 18:10 +0100
  Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Russ Allbery <rra@debian.org> - 2025-02-03 00:00 +0100
  Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Guillem Jover <guillem@debian.org> - 2025-02-03 01:00 +0100
    Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Bill Allombert <ballombe@debian.org> - 2025-02-03 10:00 +0100
      Bug#1095039: debian-policy: Development files: Allow using linker scripts instead of symlinks Guillem Jover <guillem@debian.org> - 2025-02-03 14:20 +0100

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