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| author | Alan Modra <amodra@gmail.com> | 2013-03-18 02:47:03 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2013-03-18 02:47:03 +0000 |
| commit | ffa9430db119a35786d64ffa50af9c2c368d210f (patch) | |
| tree | 5dfa83c0fe14863d865cc98001560a5365108836 /ld/ld.texinfo | |
| parent | f7f9535d8d2073ca2040997a16f17944e05ec940 (diff) | |
| download | gdb-ffa9430db119a35786d64ffa50af9c2c368d210f.zip gdb-ffa9430db119a35786d64ffa50af9c2c368d210f.tar.gz gdb-ffa9430db119a35786d64ffa50af9c2c368d210f.tar.bz2 | |
PR ld/12549
bfd/
* elflink.c (elf_link_add_object_symbols): Exclude weak refs when
considering whether an --as-needed library is needed.
ld/
* ld.texinfo (--as-needed): Update.
ld/testsuite/
* ld-elf/pr14862.out: Expect no output.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index cc4e735..1f8e34d 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -1143,11 +1143,14 @@ on the command line after the @option{--as-needed} option. Normally the linker will add a DT_NEEDED tag for each dynamic library mentioned on the command line, regardless of whether the library is actually needed or not. @option{--as-needed} causes a DT_NEEDED tag to only be -emitted for a library that satisfies an undefined symbol reference -from a regular object file or, if the library is not found in the -DT_NEEDED lists of other libraries linked up to that point, an -undefined symbol reference from another dynamic library. -@option{--no-as-needed} restores the default behaviour. +emitted for a library that @emph{at that point in the link} satisfies a +non-weak undefined symbol reference from a regular object file or, if +the library is not found in the DT_NEEDED lists of other libraries, a +non-weak undefined symbol reference from another dynamic library. +Object files or libraries appearing on the command line @emph{after} +the library in question do not affect whether the library is seen as +needed. This is similar to the rules for extraction of object files +from archives. @option{--no-as-needed} restores the default behaviour. @kindex --add-needed @kindex --no-add-needed |