<html>
    <head>
      <base href="http://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 ignores include path arguments when compiling assembly files"
   href="http://llvm.org/bugs/show_bug.cgi?id=16022">16022</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Clang ignores include path arguments when compiling assembly files
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </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>landeholm@gmail.com
          </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>I am using the llvm/clang trunk from last week.

To reproduce:

    mkdir /tmp/test
    cd /tmp/test
    mkdir baz
    echo -e "\n" > baz/bar.s
    echo -e ".include \"bar.s\"\n.global main\nmain: hlt\n" > foo.s


GCC has no problem following the .include and successfully creates a "working"
binary:

    gcc foo.s -I/tmp/test/baz -o a.out
    ./a.out
  Segmentation fault (core dumped)


Clang on the other hand fails miserably to understand the -I argument:

    clang foo.s -I/tmp/test/baz -o a.out
clang-3.4: warning: argument unused during compilation: '-I /tmp/test/baz'
foo.s:1:10: error: Could not find include file 'bar.s'
.include "bar.s"


Unfortunately this makes clang useless when compiling assembly code with
.include statements.

Also see specification here: <a href="http://sourceware.org/binutils/docs-2.17/as/I.html">http://sourceware.org/binutils/docs-2.17/as/I.html</a></pre>
        </div>
      </p>
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