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| author | Klemens Nanni <kn@cvs.openbsd.org> | 2022-06-14 09:56:08 +0000 |
|---|---|---|
| committer | Klemens Nanni <kn@cvs.openbsd.org> | 2022-06-14 09:56:08 +0000 |
| commit | 2cfa2199f53de8e74752d484123b92692ea54506 (patch) | |
| tree | 97428e7ac059b9e65eb3624db1d0e943d3be72f3 /libexec | |
| parent | 4d895c77fb277d66c8e0cc8decd95c2e9d9bf6fc (diff) | |
Document search order
Explain when and how LD_LIBRARY_PATH, DT_RUNPATH and DT_RPATH are used.
Input OK guenther
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/ld.so/ld.so.1 | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/libexec/ld.so/ld.so.1 b/libexec/ld.so/ld.so.1 index 6a1a8c3071c..9a1bbc1330e 100644 --- a/libexec/ld.so/ld.so.1 +++ b/libexec/ld.so/ld.so.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ld.so.1,v 1.24 2020/05/08 10:57:50 jca Exp $ +.\" $OpenBSD: ld.so.1,v 1.25 2022/06/14 09:56:07 kn Exp $ .\" $NetBSD: rtld.1,v 1.2 1995/10/08 23:43:28 pk Exp $ .\" .\" Copyright (c) 1995 Paul Kranenburg @@ -29,7 +29,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: May 8 2020 $ +.Dd $Mdocdate: June 14 2022 $ .Dt LD.SO 1 .Os .Sh NAME @@ -79,6 +79,34 @@ looked up by hashing on the 3-tuple .Aq library-name , major-version-number , minor-version-number . .Pp .Nm +searches for shared objects in the following lists of paths: +.Pp +.Bl -enum -offset ident -compact +.It +.Ev LD_LIBRARY_PATH +environment variable if set +.It +.Dv DT_RUNPATH +of the calling object if set, otherwise: +.Bl -enum -compact +.It +.Dv DT_RPATH +of the calling object if set +.It +.Dv DT_RPATH +of the program if set +.El +(The use of +.Dv DT_RPATH +is deprecated as its behaviour varies across operating systems.) +.It +default search path set by +.Xr ldconfig 8 +.It +.Pa /usr/lib +.El +.Pp +.Nm recognises a number of environment variables that can be used to modify its behaviour as follows: .Pp |