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* ld.h (args_type): Add rpath_link field. 

* emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Search for
	required dependencies in rpath_link path.  Only search
	LD_LIBRARY_PATH when configured native.
	* lexsup.c (parse_args): Recognize -rpath-link.
	* ld.1, ld.texinfo: Document -rpath-link.
This commit is contained in:
Ian Lance Taylor 1995-10-10 05:05:18 +00:00
parent 034fd45d55
commit 5caef232bd
2 changed files with 65 additions and 0 deletions
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9
ld/ChangeLog
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@ -1,3 +1,12 @@
Tue Oct 10 01:01:51 1995 Ian Lance Taylor <ian@cygnus.com>
* ld.h (args_type): Add rpath_link field.
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Search for
required dependencies in rpath_link path. Only search
LD_LIBRARY_PATH when configured native.
* lexsup.c (parse_args): Recognize -rpath-link.
* ld.1, ld.texinfo: Document -rpath-link.
Sat Oct 7 17:07:17 1995 Ian Lance Taylor <ian@cygnus.com>
* emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Don't

56
ld/ld.1
View File

@ -82,6 +82,12 @@ ld \- the GNU linker
\&\|]
.RB "[\|" \-relax "\|]"
.RB "[\|" \-r | \-Ur "\|]"
.RB "[\|" "\-rpath\ "\c
.I directory\c
\&\|]
.RB "[\|" "\-rpath\-link\ "\c
.I directory\c
\&\|]
.RB "[\|" \-S "\|]"
.RB "[\|" \-s "\|]"
.RB "[\|" \-shared "\|]"
@ -691,6 +697,56 @@ This option does the same as \c
.B \-i\c
\&.
.TP
.B \-rpath\ \fIdirectory
Add a directory to the runtime library search path. This is used when
linking an ELF executable with shared objects. All
.B \-rpath
arguments are concatenated and passed to the runtime linker, which uses
them to locate shared objects at runtime. The
.B \-rpath
option is also used when locating shared objects which are needed by
shared objects explicitly included in the link; see the description of
the
.B \-rpath\-link
option.
The
.B \-rpath
option may also be used on SunOS. By default, on SunOS, the linker
will form a runtime search patch out of all the
.B \-L
options it is given. If a
.B \-rpath option is used, the runtime search path
will be formed exclusively using the
.B \-rpath
options, ignoring
the
.B \-L
options. This can be useful when using gcc, which adds many
.B \-L
options which may be on NFS mounted filesystems.
.TP
.B \-rpath\-link\ \fIdirectory
When using ELF, one shared library may require another. This happens
when an
.B ld\ \-shared
link includes a shared library as one of the input files.
When the linker encounters such a dependency when doing a non-shared,
non-relocateable link, it will automatically try to locate the required
shared library and include it in the link, if it is not included
explicitly. In such a case, the
.B \-rpath\-link
option specifies the first set of directories to search. The
.B \-rpath\-link
option may specify a sequence of directory names either by specifying
a list of names separated by colons, or by appearing multiple times.
If the required shared library is not found, the linker will issue a
warning and continue with the link.
.TP
.B \-S
Omits debugger symbol information (but not all symbols) from the output file.