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bug#54726: when linking a shared library on Linux, libtool 2.4.6 ignores
From: |
Nicolas Boulenguez |
Subject: |
bug#54726: when linking a shared library on Linux, libtool 2.4.6 ignores libfoo.so arguments |
Date: |
Tue, 5 Apr 2022 12:50:59 +0200 |
Hello.
When linking a shared library or a program against a (locally built, not
installed) foo library, it is recommended to prefer
dir/libfoo.so
over
-Ldir -lfoo
which only adds complexity and unwanted ambiguity (for example,
/usr/lib/libfoo.{a,so} may silently be selected if dir/libfoo.so is
unexpectedly missing).
Libtool recognizes such options when linking a program, but ignores
them when linking a shared library.
The attached reproducer
* builds with -Ldir -lfoo in order to ensure that the sources are
correct
* demonstrates the link failure with a direct path
* builds with the attached patch applied and a direct path
Just in case it helps, the original bug report is here:
Bug-Debian: https://bugs.debian.org/960469
Thanks.
draft960469.diff
Description: Text Data
reproducer
Description: Text document
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