diff --git a/ChangeLog b/ChangeLog
index aeb36a17..da9319da 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jul 24 17:27:11 1995  David J. MacKenzie  <djm@catapult.va.pubnix.com>
+
+	* acgeneral.m4 (AC_CHECK_LIB): Don't enclose tr args in [], for
+	  SysV and POSIX.  From Karl Heuer.
+
 Wed Jul 19 17:43:44 1995  David J. MacKenzie  <djm@catapult.va.pubnix.com>
 
 	* acgeneral.m4 (AC_CHECK_LIB): Translate + to p in lib name.
diff --git a/acgeneral.m4 b/acgeneral.m4
index f6a48689..7f96ffaf 100644
--- a/acgeneral.m4
+++ b/acgeneral.m4
@@ -1357,7 +1357,7 @@ dnl              [, OTHER-LIBRARIES]]])
 AC_DEFUN(AC_CHECK_LIB,
 [AC_MSG_CHECKING([for -l$1])
 changequote(, )dnl
-ac_lib_var=`echo $1 | tr '[+./]' '[p__]'`
+ac_lib_var=`echo $1 | tr '+./' 'p__'`
 changequote([, ])dnl
 AC_CACHE_VAL(ac_cv_lib_$ac_lib_var,
 [ac_save_LIBS="$LIBS"
diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index f6a48689..7f96ffaf 100644
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -1357,7 +1357,7 @@ dnl              [, OTHER-LIBRARIES]]])
 AC_DEFUN(AC_CHECK_LIB,
 [AC_MSG_CHECKING([for -l$1])
 changequote(, )dnl
-ac_lib_var=`echo $1 | tr '[+./]' '[p__]'`
+ac_lib_var=`echo $1 | tr '+./' 'p__'`
 changequote([, ])dnl
 AC_CACHE_VAL(ac_cv_lib_$ac_lib_var,
 [ac_save_LIBS="$LIBS"