<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW " title="NEW --- - `clang -print-file-name` doesn't respect LIBRARY_PATH" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D23877&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=1yw53bykkeXq1dmGX0aUznAqWNlt09QCzp-njk9kPt0&s=1qV3Q2u05CMDf1M9UwXjAeVKEYT2EmTO0NW2-Y1R_Fw&e=">23877</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>`clang -print-file-name` doesn't respect LIBRARY_PATH
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>3.6
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jvp4846@g.rit.edu
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Unlike GCC, clang ignores LIBRARY_PATH when looking up a library via
`-print-file-name`, but it *does* consult LIBRARY_PATH when actually linking:

jim@huginn ~
$ LIBRARY_PATH=$HOME/lib gcc -print-file-name=libboost_iostreams.so
/home/jim/lib/../lib/libboost_iostreams.so

jim@huginn ~
$ LIBRARY_PATH=$HOME/lib clang-3.6 -print-file-name=libboost_iostreams.so
/usr/bin/../lib/gcc/x86_64-linux-gnu/5.1.0/../../../x86_64-linux-gnu/libboost_iostreams.so

jim@huginn ~
$ LIBRARY_PATH=$HOME/lib clang-3.6 -shared -olibfoo.so -lboost_iostreams

jim@huginn ~
$ ldd libfoo.so
        linux-vdso.so.1 =>  (0x00007fff5c5fe000)
        libboost_iostreams.so.1.55.0 =>
/home/jim/lib/libboost_iostreams.so.1.55.0 (0x00007f2d2cb3f000)
        ...

jim@huginn ~
$ clang-3.6 --version
Ubuntu clang version 3.6.2-svn239700-1~exp1 (branches/release_36) (based on
LLVM 3.6.2)
Target: x86_64-pc-linux-gnu
Thread model: posix</pre>
        </div>
      </p>
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