[PATCH] D145899: [AIX][Clang] Respect -r when invoking the linkerOn AIX, libraries are still being linked when `-r` is passed to the driver. This patch corrects this error.

Michael Francis via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sun Mar 12 23:55:32 PDT 2023


francii created this revision.
Herald added a project: All.
francii requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay.
Herald added a project: clang.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D145899

Files:
  clang/lib/Driver/ToolChains/AIX.cpp
  clang/lib/Driver/ToolChains/CommonArgs.cpp


Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1692,6 +1692,8 @@
     break;
   }
   case ToolChain::UNW_CompilerRT:
+    if (Args.hasArg(options::OPT_r))
+      break;
     if (TC.getTriple().isOSAIX()) {
       // AIX only has libunwind as a shared library. So do not pass
       // anything in if -static is specified.
Index: clang/lib/Driver/ToolChains/AIX.cpp
===================================================================
--- clang/lib/Driver/ToolChains/AIX.cpp
+++ clang/lib/Driver/ToolChains/AIX.cpp
@@ -175,7 +175,7 @@
   };
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
-                   options::OPT_shared)) {
+                   options::OPT_shared, options::OPT_r)) {
     CmdArgs.push_back(
         Args.MakeArgString(ToolChain.GetFilePath(getCrt0Basename())));
 
@@ -233,6 +233,13 @@
   }
 
   // Add directory to library search path.
+  if (Args.hasArg(options::OPT_r)) {
+    const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
+    C.addCommand(std::make_unique<Command>(
+        JA, *this, ResponseFileSupport::None(), Exec, CmdArgs, Inputs, Output));
+    return;
+  }
+
   Args.AddAllArgs(CmdArgs, options::OPT_L);
   ToolChain.AddFilePathLibArgs(Args, CmdArgs);
   ToolChain.addProfileRTLibs(Args, CmdArgs);


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