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Harmonize another ELF linker option: ignore export-dynamic in the COFF linker. 

Elaborate on some of the ELF option descriptions, and don't say the options
are ignored...this man page is the one installed on ELF systems, too.
This commit is contained in:
ross 1998-07-25 11:58:49 +00:00
parent 9043581b85
commit 9535b6c2a3
2 changed files with 25 additions and 13 deletions
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31
gnu/usr.bin/ld/ld/ld.1
View File

@ -1,4 +1,4 @@
.\" $NetBSD: ld.1,v 1.14 1998/02/20 03:12:50 jonathan Exp $
.\" $NetBSD: ld.1,v 1.15 1998/07/25 11:58:49 ross Exp $
.\"
.\" Copyright (c) 1993 Paul Kranenburg
.\" All rights reserved.
@ -218,10 +218,9 @@ Make a
.Dv ZMAGIC
output file. This is the default.
.Sh
The following long options are exceptions to the normal option syntax
described above, and are provided for compatibility with later versions of
GNU
.Nm ld ":"
Use of the following directives is required on ELF systems and is
recommended on all others
in order to prepare for the planned transition from COFF to ELF.
.Bl -tag -width indent
.It Fl rpath Ar dir
Record the given
@ -229,17 +228,20 @@ Record the given
within the executable for run-time library
search, as for
.Fl R "."
This only applies to dynamically linked executables.
Ignored on COFF systems.
.It Fl shared
Instructs the linker to build a shared object from the object files rather
than a normal executable image.
.It Fl soname Ar library-name
This option and its
.Ar libraryname
argument are ignored. They are provided for compatibility with versions of
.Nm ld ","
which allow the user to specify an internal name and version number
for dynamically-linked shared libraries.
The linker input file name is usually the plain ``.so'' file with
no version number.
On ELF systems, this option sets the DT_SONAME field
of a shared library to
.Ar libraryname,
which should be specified with the major number and without the minor
number. A program image linked with this library will
use at run time the file name specified here rather than the linker input
file name.
.It Fl Fl whole-archive
A positional qualifier to force loading from archives.
For each archive mentioned on the commandline after this option,
@ -256,6 +258,11 @@ This option should turn off the effect of a preceding
.Fl Fl whole-archive
for any subsequent archive files on the command line.
It is currently ignored.
.It Fl Fl export-dynamic
Specifies that all symbols should be added to the
dynamic symbol table. Enables shared libraries to dynamically link
to application symbols.
Ignored on COFF systems.
.El
.Sh ENVIRONMENT
.Nm

7
gnu/usr.bin/ld/ld/ld.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ld.c,v 1.52 1998/02/20 03:12:51 jonathan Exp $ */
/* $NetBSD: ld.c,v 1.53 1998/07/25 11:58:49 ross Exp $ */
/*-
* This code is derived from software copyrighted by the Free Software
@ -662,6 +662,11 @@ decode_option(swt, arg)
if (!strcmp(swt + 1, "assert"))
return;
#ifdef GNU_BINUTIL_COMPAT
if (strcmp(swt + 1, "-export-dynamic") == 0) {
if (warn_forwards_compatible_inexact)
warnx("%s ignored", swt + 1);
return;
}
if (strcmp(swt + 1, "-whole-archive") == 0) {
/* XXX incomplete emulation */
link_mode |= FORCEARCHIVE;