tests: avoid use of intervals to capitalize letters

It was causing spurious failures with with Solaris 8 'tr'.
See automake bug#14891.

* t/test-extensions.sh: Adjust.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/t/test-extensions.sh b/t/test-extensions.sh
index 0700991..ca7c5ec 100644 (file)
--- a/t/test-extensions.sh
+++ b/t/test-extensions.sh
@@ -39,7 +39,7 @@ $AUTOMAKE -a
 grep -i 'log' Makefile.in # For debugging.
 
 for lc in $valid_extensions; do
-  uc=$(echo $lc | tr '[a-z]' '[A-Z]')
+  uc=$(echo $lc | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ)
   $FGREP "\$(${uc}_LOG_COMPILER)" Makefile.in
   grep "^${uc}_LOG_COMPILE =" Makefile.in
   grep "^\.${lc}\.log:" Makefile.in