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-rw-r--r--libbuild2/cc/link-rule.cxx18
1 files changed, 15 insertions, 3 deletions
diff --git a/libbuild2/cc/link-rule.cxx b/libbuild2/cc/link-rule.cxx
index 9b0fbfd..93b2715 100644
--- a/libbuild2/cc/link-rule.cxx
+++ b/libbuild2/cc/link-rule.cxx
@@ -2596,18 +2596,26 @@ namespace build2
size_t p (path::traits_type::rfind_separator (f));
assert (p != string::npos);
+ // For good measure, also suppress duplicates at the options level.
+ // This will take care of different libraries built in the same
+ // directory, system-installed, etc.
+
if (d.rpath)
{
string o ("-Wl,-rpath,");
o.append (f, 0, (p != 0 ? p : 1)); // Don't include trailing slash.
- d.args.push_back (move (o));
+
+ if (find (d.args.begin (), d.args.end (), o) == d.args.end ())
+ d.args.push_back (move (o));
}
if (d.rpath_link)
{
string o ("-Wl,-rpath-link,");
o.append (f, 0, (p != 0 ? p : 1));
- d.args.push_back (move (o));
+
+ if (find (d.args.begin (), d.args.end (), o) == d.args.end ())
+ d.args.push_back (move (o));
}
};
@@ -2684,7 +2692,11 @@ namespace build2
//
if (!cast_false<bool> (l.vars[c_system]))
{
- args.push_back ("-Wl,-rpath," + l.path ().directory ().string ());
+ string o ("-Wl,-rpath," + l.path ().directory ().string ());
+
+ if (find (args.begin (), args.end (), o) == args.end ())
+ args.push_back (move (o));
+
ls.push_back (&l);
}
}