From 05920193d962c68da1e9c0d6bbf238032902e16a Mon Sep 17 00:00:00 2001
From: Rebecca Turner <rbt@sent.as>
Date: Mon, 30 Sep 2024 11:32:30 -0700
Subject: [PATCH] Set LC_ALL=en_US.UTF-8 in tests

---
 cabal-testsuite/src/Test/Cabal/Monad.hs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cabal-testsuite/src/Test/Cabal/Monad.hs b/cabal-testsuite/src/Test/Cabal/Monad.hs
index 38534402d26..04771018cbf 100644
--- a/cabal-testsuite/src/Test/Cabal/Monad.hs
+++ b/cabal-testsuite/src/Test/Cabal/Monad.hs
@@ -402,8 +402,8 @@ runTestM mode m =
                     testSkipSetupTests =  argSkipSetupTests (testCommonArgs args),
                     testHaveCabalShared = runnerWithSharedLib senv,
                     testEnvironment =
-                        -- Try to avoid Unicode output
-                        [ ("LC_ALL", Just "C")
+                        -- Use UTF-8 output on all platforms.
+                        [ ("LC_ALL", Just "en_US.UTF-8")
                         -- Hermetic builds (knot-tied)
                         , ("HOME", Just (testHomeDir env))
                         -- Set CABAL_DIR in addition to HOME, since HOME has no