From 87db45704f10be545ea29d335ac6196e9515312d Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Thu, 10 Aug 2023 14:59:58 +0300
Subject: stdenv: Print `_allFlags` debug output to stderr

In the default `fixupPhase` the output of `substituteAllStream` is
streamed to setup-hook.

`stdenv.cc.bintools.overrideAttrs { NIX_DEBUG = 6; }`

With `NIX_DEBUG` contains:

```
@expandResponseParams@ -> /nix/store/yl01rd58vp4m8bbhkihpk132cprfmx6f-expand-response-params/bin/expand-response-params
...
```
---
 pkgs/stdenv/generic/setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'pkgs/stdenv/generic')

diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index 7fe5f67b14d..7c948afc4da 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -933,7 +933,7 @@ _allFlags() {
     export system pname name version
     for varName in $(awk 'BEGIN { for (v in ENVIRON) if (v ~ /^[a-z][a-zA-Z0-9_]*$/) print v }'); do
         if (( "${NIX_DEBUG:-0}" >= 1 )); then
-            printf "@%s@ -> %q\n" "${varName}" "${!varName}"
+            printf "@%s@ -> %q\n" "${varName}" "${!varName}" >&2
         fi
         args+=("--subst-var" "$varName")
     done
-- 
cgit 1.4.1