build: update gnulib to latest; and sync tests/init.sh

* gnulib: update
* tests/init.sh: Sync from gnulib (this removes the LC_ALL=C setting).

2 files changed, 8 insertions, 2 deletions

diff --git a/gnulib b/gnulib
-Subproject 6bc5c0e01ba63d0fd8557d26fb468a2e61f129d
+Subproject 575b0ecbad2f34d5777f9562eebc2d0c815bfc5
diff --git a/tests/init.sh b/tests/init.sh
index a0ee8a9b..d2c4a790 100644
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -129,6 +129,8 @@ else
 fi
 
 # We require $(...) support unconditionally.
+# We require that the printf built-in work correctly regarding octal escapes;
+# this eliminates /bin/sh on AIX 7.2.
 # We require non-surprising "local" semantics (this eliminates dash).
 # This takes the admittedly draconian step of eliminating dash, because the
 # assignment tab=$(printf '\t') works fine, yet preceding it with "local "
@@ -158,6 +160,12 @@ fi
 #  ? - not ok
 gl_shell_test_script_='
 test $(echo y) = y || exit 1
+LC_ALL=en_US.UTF-8 printf "\\351" 2>/dev/null \
+  | LC_ALL=C tr "\\351" x | LC_ALL=C grep "^x$" > /dev/null \
+  || exit 1
+printf "\\351" 2>/dev/null \
+  | LC_ALL=C tr "\\351" x | LC_ALL=C grep "^x$" > /dev/null \
+  || exit 1
 f_local_() { local v=1; }; f_local_ || exit 1
 f_dash_local_fail_() { local t=$(printf " 1"); }; f_dash_local_fail_
 score_=10
@@ -378,8 +386,6 @@ testdir_prefix_ () { printf gt; }
 # Set up the environment for the test to run in.
 setup_ ()
 {
-  export LC_ALL=C
-
   if test "$VERBOSE" = yes; then
     # Test whether set -x may cause the selected shell to corrupt an
     # application's stderr.  Many do, including zsh-4.3.10 and the /bin/sh