unicode: check $LC_CTYPE too to detect Unicode mode

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/Config.in b/Config.in
index 03c2d032f..2c4be2e9f 100644
--- a/Config.in
+++ b/Config.in
@@ -161,12 +161,13 @@ config UNICODE_USING_LOCALE
           Internal implementation is smaller.
 
 config FEATURE_CHECK_UNICODE_IN_ENV
-        bool "Check $LANG environment variable"
+        bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables"
         default n
         depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
         help
           With this option on, Unicode support is activated
-          only if LANG variable has the value of the form "xxxx.utf8"
+          only if locale-related variables have the value of the form
+          "xxxx.utf8"
 
           Otherwise, Unicode support will be always enabled and active.