[patch #10411] libtool: fix empty "-L" in compiler_lib_search_path

[Xiang.Lin]

URL:
  <https://savannah.gnu.org/patch/?10411>

                 Summary: libtool: fix empty "-L" in compiler_lib_search_path
                   Group: GNU Libtool
               Submitter: idings
               Submitted: Mon 06 Nov 2023 08:48:30 AM UTC
                Category: None
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any


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Follow-up Comments:


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Date: Mon 06 Nov 2023 08:48:30 AM UTC By: Xiang.Lin <idings>
when porting gperftools to qnx-nto and use ./configure --host= to config qnx
target, the output library missing libc++.so dependency.
The reason is that there are some empty "-L" in compiler_lib_search_path which
will cause first library in postdeps following compiler_lib_search_path be
skipped accidentally.

More details can see following links:
https://github.com/gperftools/gperftools/issues/1429#issuecomment-1793596631
https://github.com/gperftools/gperftools/issues/1429#issuecomment-1793789124
https://github.com/gperftools/gperftools/issues/1429#issuecomment-1793791682







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