[Driver] Silence stdlib warning when linking C on *BSD / Solaris / Haiku (llvm#70434)

Same as 12b87f6 and the addition to Gnu.

Author: brad0

clang/lib/Driver/ToolChains/DragonFly.cpp

@@ -144,6 +144,9 @@ void dragonfly::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       CmdArgs.push_back("-lm");
     }
 
+    // Silence warnings when linking C code with a C++ '-stdlib' argument.
+    Args.ClaimAllArgs(options::OPT_stdlib_EQ);
+
     // Additional linker set-up and flags for Fortran. This is required in order
     // to generate executables. As Fortran runtime depends on the C runtime,
     // these dependencies need to be listed before the C runtime below (i.e.

clang/lib/Driver/ToolChains/FreeBSD.cpp

@@ -291,6 +291,9 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
         CmdArgs.push_back("-lm");
     }
 
+    // Silence warnings when linking C code with a C++ '-stdlib' argument.
+    Args.ClaimAllArgs(options::OPT_stdlib_EQ);
+
     // Additional linker set-up and flags for Fortran. This is required in order
     // to generate executables. As Fortran runtime depends on the C runtime,
     // these dependencies need to be listed before the C runtime below (i.e.
@@ -364,9 +367,6 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
 
   ToolChain.addProfileRTLibs(Args, CmdArgs);
 
-  // Silence warnings when linking C code with a C++ '-stdlib' argument.
-  Args.ClaimAllArgs(options::OPT_stdlib_EQ);
-
   const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
   C.addCommand(std::make_unique<Command>(JA, *this,
                                          ResponseFileSupport::AtFileCurCP(),

clang/lib/Driver/ToolChains/Haiku.cpp

@@ -95,6 +95,9 @@ void haiku::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     if (D.CCCIsCXX() && ToolChain.ShouldLinkCXXStdlib(Args))
       ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
 
+    // Silence warnings when linking C code with a C++ '-stdlib' argument.
+    Args.ClaimAllArgs(options::OPT_stdlib_EQ);
+
     // Additional linker set-up and flags for Fortran. This is required in order
     // to generate executables. As Fortran runtime depends on the C runtime,
     // these dependencies need to be listed before the C runtime below (i.e.

clang/lib/Driver/ToolChains/NetBSD.cpp

@@ -315,6 +315,9 @@ void netbsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       CmdArgs.push_back("-lm");
     }
 
+    // Silence warnings when linking C code with a C++ '-stdlib' argument.
+    Args.ClaimAllArgs(options::OPT_stdlib_EQ);
+
     // Additional linker set-up and flags for Fortran. This is required in order
     // to generate executables. As Fortran runtime depends on the C runtime,
     // these dependencies need to be listed before the C runtime below (i.e.

clang/lib/Driver/ToolChains/OpenBSD.cpp

@@ -214,6 +214,9 @@ void openbsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
         CmdArgs.push_back("-lm");
     }
 
+    // Silence warnings when linking C code with a C++ '-stdlib' argument.
+    Args.ClaimAllArgs(options::OPT_stdlib_EQ);
+
     // Additional linker set-up and flags for Fortran. This is required in order
     // to generate executables. As Fortran runtime depends on the C runtime,
     // these dependencies need to be listed before the C runtime below (i.e.

clang/lib/Driver/ToolChains/Solaris.cpp

@@ -220,6 +220,8 @@ void solaris::Linker::ConstructJob(Compilation &C, const JobAction &JA,
         getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
       CmdArgs.push_back("-lm");
     }
+    // Silence warnings when linking C code with a C++ '-stdlib' argument.
+    Args.ClaimAllArgs(options::OPT_stdlib_EQ);
     // Additional linker set-up and flags for Fortran. This is required in order
     // to generate executables. As Fortran runtime depends on the C runtime,
     // these dependencies need to be listed before the C runtime below.