Index: bash-4.3.30/configure
===================================================================
--- bash-4.3.30.orig/configure	2015-08-05 10:30:28.000000000 +0200
+++ bash-4.3.30/configure	2015-08-05 11:27:48.000000000 +0200
@@ -11270,7 +11270,7 @@
 {
         int     w;
 
-        setlocale(LC_ALL, "en_US.UTF-8");
+        setlocale(LC_ALL, "EN_US.UTF-8");
         w = wcwidth (0x0301);
         exit (w == 0);  /* exit 0 if wcwidth broken */
 }
Index: bash-4.3.30/tests/intl.tests
===================================================================
--- bash-4.3.30.orig/tests/intl.tests	2015-08-05 10:31:33.000000000 +0200
+++ bash-4.3.30/tests/intl.tests	2015-08-05 11:28:25.000000000 +0200
@@ -1,4 +1,4 @@
-export LC_ALL=en_US.UTF-8
+export LC_ALL=EN_US.UTF-8
 
 a=$'\303\251'
 
Index: bash-4.3.30/tests/intl1.sub
===================================================================
--- bash-4.3.30.orig/tests/intl1.sub	2015-08-05 10:33:34.000000000 +0200
+++ bash-4.3.30/tests/intl1.sub	2015-08-05 11:28:42.000000000 +0200
@@ -1,5 +1,5 @@
-LC_ALL=en_US.UTF-8
-LANG=en_US.UTF-8
+LC_ALL=EN_US.UTF-8
+LANG=EN_US.UTF-8
 
 var='абвгдежзиклмноп '
 echo -"$var"- ${#var}
Index: bash-4.3.30/tests/printf2.sub
===================================================================
--- bash-4.3.30.orig/tests/printf2.sub	2015-08-05 10:34:28.000000000 +0200
+++ bash-4.3.30/tests/printf2.sub	2015-08-05 11:29:13.000000000 +0200
@@ -1,5 +1,5 @@
 unset LC_ALL LC_CTYPE
-export LANG=en_US.UTF-8
+export LANG=EN_US.UTF-8
 
 case $(printf %d\\n \'À) in
 192)	exit 0;;
Index: bash-4.3.30/tests/source5.sub
===================================================================
--- bash-4.3.30.orig/tests/source5.sub	2015-08-05 10:35:30.000000000 +0200
+++ bash-4.3.30/tests/source5.sub	2015-08-05 11:29:28.000000000 +0200
@@ -1,4 +1,4 @@
-LC_ALL=en_US.UTF-8
+LC_ALL=EN_US.UTF-8
 unset LC_ALL
 unset LANG
 export LC_ALL=C
Index: bash-4.3.30/tests/unicode1.sub
===================================================================
--- bash-4.3.30.orig/tests/unicode1.sub	2015-08-05 10:36:50.000000000 +0200
+++ bash-4.3.30/tests/unicode1.sub	2015-08-05 11:29:55.000000000 +0200
@@ -574,7 +574,7 @@
 
 
  )
-TestCodePage en_US.UTF-8 C_UTF_8
+TestCodePage EN_US.UTF-8 C_UTF_8
 
 if [ ${ErrorCnt} -gt 0 ]; then
   echo "Failed ${ErrorCnt} of ${TestCnt} Unicode tests"
Index: bash-4.3.30/tests/unicode2.sub
===================================================================
--- bash-4.3.30.orig/tests/unicode2.sub	2015-08-05 10:37:19.000000000 +0200
+++ bash-4.3.30/tests/unicode2.sub	2015-08-05 11:30:10.000000000 +0200
@@ -1,4 +1,4 @@
-export LANG=en_US.UTF-8
+export LANG=EN_US.UTF-8
 
 printf '%s\n' "$(printf '\uff')" | od -b
 printf '%s\n' $'\uff' | od -b
@@ -17,6 +17,6 @@
 
 LC_CTYPE=C printf '\uff'\\n | od -b
 LC_CTYPE=ru_RU.CP1251 printf '\uff'\\n | od -b
-LC_CTYPE=en_US.UTF-8 printf '\uff'\\n | od -b
+LC_CTYPE=EN_US.UTF-8 printf '\uff'\\n | od -b
 
 echo -e '\u0041 \u00a3 \u0152' | od -b