ldd(1) ldd(1)
NAME
ldd - list dynamic dependencies
SYNOPSIS
ldd [-d | -r] file
DESCRIPTION
The ldd command lists the path names of all shared objects
that would be loaded as a result of executing file. If file
is a valid executable but does not require any shared objects,
ldd will succeed, producing no output.
ldd may also be used to check the compatibility of file with
the shared objects it uses. It does this by optionally
printing warnings for any unresolved symbol references that
would occur if file were executed. Two options govern this
mode of ldd:
-d Causes ldd to check all references to data objects.
-r Causes ldd to check references to both data objects and
functions.
Only one of the above options may be given during any single
invocation of ldd.
REFERENCES
cc(1), dlopen(3C), ld(1)
DIAGNOSTICS
ldd prints its record of shared object path names to stdout.
The optional list of symbol resolution problems are printed to
stderr. If file is not an executable file or cannot be opened
for reading, a non-zero exit status is returned.
NOTICES
ldd doesn't list shared objects explicitly attached via
dlopen(3C).
ldd uses the same algorithm as the dynamic linker to locate
shared objects.
Copyright 1994 Novell, Inc. Page 1