llvmPackages.clang: add systemLibcxxClang (primarily for Darwin)

2025-04-13 13:57:35 -04:00
parent e53d3167d9
commit 5ea679485d
1 changed files with 9 additions and 0 deletions
@@ -222,6 +222,15 @@ let
        extraBuildCommands = mkExtraBuildCommands cc;
      };

+      # Darwin uses the system libc++ by default. It is set up as its own clang definition so that `libcxxClang`
+      # continues to use the libc++ from LLVM.
+      systemLibcxxClang = wrapCCWith rec {
+        cc = tools.clang-unwrapped;
+        libcxx = darwin.libcxx;
+        extraPackages = [ targetLlvmLibraries.compiler-rt ];
+        extraBuildCommands = mkExtraBuildCommands cc;
+      };
+
      lld = callPackage ./lld {
      };