https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214258
Konstantin Belousov <k...@freebsd.org> changed:
What |Removed |Added
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CC| |k...@freebsd.org
--- Comment #5 from Konstantin Belousov <k...@freebsd.org> ---
(In reply to Jan Beich (mail not working) from comment #4)
A library cannot 'pick up symbols without referencing them'. The presence of
the the undefined references means that there are real references in the code.
Note that existence of libm.so as a separate shared object from libc is a minor
optimization. The libm services are mandated by the C standard, so the
separate library is only a way to slighly reduce working set of the programs
that do not need them. Linking it in is fine.
If you are so intolerate to the presence of -lm in the dependency list even
when symbols are not referenced, you can use '-Wl,--as-needed -lm
-Wl,--no-as-needed' construct to only record DT_NEEDED fro libm.so when
references actually exist.
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