From 403cbe4c997dde4fa492b959ba957f1a73223e7b Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Mon, 21 Nov 2022 12:32:09 +0100
Subject: ["@", "zlib", "", "zlib"]: let "TARGET_ARCH" default to "ARCH"

And in this way avoid that two configuration differing only in an
unset TARGET_ARCH set to ARCH can be different due to one configration
being in target-level cache, but not the other.
---
 etc/import/TARGETS.zlib | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/etc/import/TARGETS.zlib b/etc/import/TARGETS.zlib
index a74e5103..0078b9da 100644
--- a/etc/import/TARGETS.zlib
+++ b/etc/import/TARGETS.zlib
@@ -1,4 +1,21 @@
 { "zlib":
+  { "type": "configure"
+  , "target": "exported zlib"
+  , "arguments_config": ["ARCH", "TARGET_ARCH"]
+  , "config":
+    { "type": "let*"
+    , "bindings":
+      [ [ "TARGET_ARCH"
+        , { "type": "var"
+          , "name": "TARGET_ARCH"
+          , "default": {"type": "var", "name": "ARCH"}
+          }
+        ]
+      ]
+    , "body": {"type": "env", "vars": ["TARGET_ARCH"]}
+    }
+  }
+, "exported zlib":
   { "type": "export"
   , "target": "zlibinternal"
   , "flexible_config":
-- 
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