From 879707c642925947e156b7ae2169b89f844532cd Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Mon, 18 Mar 2013 02:47:00 +0000 Subject: 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. --- ld/ld.texinfo | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'ld/ld.texinfo') diff --git a/ld/ld.texinfo b/ld/ld.texinfo index cc4e735b33..1f8e34db94 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 -- cgit v1.2.1