[PATCH] D84029: [clang][Driver] Default to /usr/bin/ld on Solaris

[Rainer Orth via Phabricator via cfe-commits]

ro updated this revision to Diff 280108.
ro added a reviewer: MaskRay.
ro added a comment.

Rebased after D83015 <https://reviews.llvm.org/D83015>.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84029/new/

https://reviews.llvm.org/D84029

Files:
  clang/lib/Driver/ToolChain.cpp
  clang/lib/Driver/ToolChains/Solaris.h


Index: clang/lib/Driver/ToolChains/Solaris.h
===================================================================
--- clang/lib/Driver/ToolChains/Solaris.h
+++ clang/lib/Driver/ToolChains/Solaris.h
@@ -65,6 +65,11 @@
   SanitizerMask getSupportedSanitizers() const override;
   unsigned GetDefaultDwarfVersion() const override { return 2; }
 
+  const char *getDefaultLinker() const override {
+    // clang currently uses Solaris ld-only options.
+    return "/usr/bin/ld";
+  }
+
 protected:
   Tool *buildAssembler() const override;
   Tool *buildLinker() const override;
Index: clang/lib/Driver/ToolChain.cpp
===================================================================
--- clang/lib/Driver/ToolChain.cpp
+++ clang/lib/Driver/ToolChain.cpp
@@ -568,8 +568,13 @@
   }
   // If we're passed -fuse-ld= with no argument, or with the argument ld,
   // then use whatever the default system linker is.
-  if (UseLinker.empty() || UseLinker == "ld")
-    return GetProgramPath(getDefaultLinker());
+  if (UseLinker.empty() || UseLinker == "ld") {
+    const char *DefaultLinker = getDefaultLinker();
+    if (!llvm::sys::path::is_absolute(DefaultLinker))
+      return GetProgramPath(DefaultLinker);
+    else
+      return std::string(DefaultLinker);
+  }
 
   // Extending -fuse-ld= to an absolute or relative path is unexpected. 
Checking
   // for the linker flavor is brittle. In addition, prepending "ld." or "ld64."



Index: clang/lib/Driver/ToolChains/Solaris.h
===================================================================
--- clang/lib/Driver/ToolChains/Solaris.h
+++ clang/lib/Driver/ToolChains/Solaris.h
@@ -65,6 +65,11 @@
   SanitizerMask getSupportedSanitizers() const override;
   unsigned GetDefaultDwarfVersion() const override { return 2; }
 
+  const char *getDefaultLinker() const override {
+    // clang currently uses Solaris ld-only options.
+    return "/usr/bin/ld";
+  }
+
 protected:
   Tool *buildAssembler() const override;
   Tool *buildLinker() const override;
Index: clang/lib/Driver/ToolChain.cpp
===================================================================
--- clang/lib/Driver/ToolChain.cpp
+++ clang/lib/Driver/ToolChain.cpp
@@ -568,8 +568,13 @@
   }
   // If we're passed -fuse-ld= with no argument, or with the argument ld,
   // then use whatever the default system linker is.
-  if (UseLinker.empty() || UseLinker == "ld")
-    return GetProgramPath(getDefaultLinker());
+  if (UseLinker.empty() || UseLinker == "ld") {
+    const char *DefaultLinker = getDefaultLinker();
+    if (!llvm::sys::path::is_absolute(DefaultLinker))
+      return GetProgramPath(DefaultLinker);
+    else
+      return std::string(DefaultLinker);
+  }
 
   // Extending -fuse-ld= to an absolute or relative path is unexpected. Checking
   // for the linker flavor is brittle. In addition, prepending "ld." or "ld64."

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