[clang] [Cygwin] Cygwin driver (PR #74933)

[Brad Smith via cfe-commits]

=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng,=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng,
=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng,=?utf-8?b?5b6Q5oyB5oGS?= Xu Chiheng
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/74933 at github.com>


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@@ -268,17 +259,7 @@ void InitHeaderSearch::AddDefaultCPlusPlusIncludePaths(
   llvm::Triple::OSType os = triple.getOS();
   switch (os) {
   case llvm::Triple::Win32:
-    switch (triple.getEnvironment()) {
-    default: llvm_unreachable("Include management is handled in the driver.");
-    case llvm::Triple::Cygnus:
-      // Cygwin-1.7
-      AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.7.3");
-      AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.5.3");
-      AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4");
-      // g++-4 / Cygwin-1.5
-      AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2");
-      break;
-    }
+    llvm_unreachable("Include management is handled in the driver.");
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brad0 wrote:

You should be able to remove AddDefaultCPlusPlusIncludePaths().

https://github.com/llvm/llvm-project/pull/74933