<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </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 - Regression(fc5d804ddbe): lld can't link simple binary"
   href="https://bugs.llvm.org/show_bug.cgi?id=50079">50079</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Regression(fc5d804ddbe): lld can't link simple binary
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lld
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>MachO
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>nicolasweber@gmx.de
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>gkm@fb.com, jezreel@gmail.com, llvm-bugs@lists.llvm.org, smeenai@fb.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>thakis@MBP llvm-project % cat main.s
.globl _main
_main:
  retq

thakis@MBP llvm-project % out/gn/bin/clang main.s

thakis@MBP llvm-project % out/gn/bin/clang main.s  -fuse-ld=lld
ld64.lld: warning: Option `-no_deduplicate' is not yet implemented. Stay
tuned...
ld64.lld: error: /usr/lib/system/libsystem_kernel.dylib has platform
macCatalyst, which is different from target platform macOS
ld64.lld: error: /usr/lib/system/libsystem_platform.dylib has platform
macCatalyst, which is different from target platform macOS
ld64.lld: error: /usr/lib/system/libsystem_pthread.dylib has platform
macCatalyst, which is different from target platform macOS
clang: error: linker command failed with exit code 1 (use -v to see invocation)

thakis@MBP llvm-project % file /usr/lib/system/libsystem_platform.dylib
/usr/lib/system/libsystem_platform.dylib: Mach-O universal binary with 2
architectures: [x86_64:Mach-O 64-bit dynamically linked shared library x86_64]
[i386:Mach-O dynamically linked shared library i386]
/usr/lib/system/libsystem_platform.dylib (for architecture x86_64):     Mach-O
64-bit dynamically linked shared library x86_64
/usr/lib/system/libsystem_platform.dylib (for architecture i386):       Mach-O
dynamically linked shared library i386


 % otool -l /usr/lib/system/libsystem_platform.dylib | grep -i -C4 platf
/usr/lib/system/libsystem_platform.dylib:
Load command 0
      cmd LC_SEGMENT_64
  cmdsize 632
  segname __TEXT
--
--
    flags 0x0
Load command 3
          cmd LC_ID_DYLIB
      cmdsize 72
         name /usr/lib/system/libsystem_platform.dylib (offset 24)
   time stamp 1 Wed Dec 31 19:00:01 1969
      current version 220.100.1
compatibility version 1.0.0
Load command 4
--
--
      sdk 10.15.6
Load command 9
      cmd LC_BUILD_VERSION
  cmdsize 32
 platform 6
    minos 13.6
      sdk 13.6
   ntools 1
     tool 3



I'm using Xcode 12.4 on intel macOS 10.15.7 . Not sure why lld thinks that
/usr/lib/system/libsystem_platform.dylib is for catalyst?</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>