From a58ad4550c0fae84bfbea96d5abdcbc23e2948da Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Sun, 30 Jun 2024 11:13:51 -0400
Subject: [PATCH] cc-wrapper: fix guessing mainProgram

ccName points to the pname of the unwrapped cc minus the targetPrefix,
thus is always incorrect for cross compilers whose wrappers are prefixed
with the target platform name.
---
 pkgs/build-support/cc-wrapper/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index 4adc1dcb1f8d..e0588d395c88 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -759,6 +759,6 @@ stdenvNoCC.mkDerivation {
     (optionalAttrs (cc_ ? meta) (removeAttrs cc.meta ["priority"])) //
     { description = attrByPath ["meta" "description"] "System C compiler" cc_ + " (wrapper script)";
       priority = 10;
-      mainProgram = if name != "" then name else ccName;
+      mainProgram = if name != "" then name else "${targetPrefix}${ccName}";
   };
 }