autoconf: fix regression in AC_FUNC_SELECT_ARGTYPES

* lib/autoconf/functions.m4 (AC_FUNC_SELECT_ARGTYPES): Fix
quoting; regression from yesteray leaked '' into default value.
Reported by Ralf Wildenhues.

Signed-off-by: Eric Blake <eblake@redhat.com>

diff --git a/ChangeLog b/ChangeLog
index 8097db5be84cea718c004e1720e84083f7bb198b..6ff1bc382d5cbc3689a3ba3a320456ea92c1b2fc 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2010-08-26  Eric Blake  <eblake@redhat.com>
 
+       autoconf: fix regression in AC_FUNC_SELECT_ARGTYPES
+       * lib/autoconf/functions.m4 (AC_FUNC_SELECT_ARGTYPES): Fix
+       quoting; regression from yesteray leaked '' into default value.
+       Reported by Ralf Wildenhues.
+
        docs: mention another issue with variable expansion
        In particular, see http://austingroupbugs.net/view.php?id=221
        and http://austingroupbugs.net/view.php?id=255.

diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4
index 7e69d461cbde8e8f27287b39e535eba0bf571095..235def3f0da1fda58b0569cacc809f8157212cc8 100644 (file)
--- a/lib/autoconf/functions.m4
+++ b/lib/autoconf/functions.m4
@@ -1453,7 +1453,7 @@ AC_CACHE_CHECK([types of arguments for select],
  done
 done
 # Provide a safe default value.
-: "${ac_cv_func_select_args='int,int *,struct timeval *'}"
+: "${ac_cv_func_select_args=int,int *,struct timeval *}"
 ])
 ac_save_IFS=$IFS; IFS=','
 set dummy `echo "$ac_cv_func_select_args" | sed 's/\*/\*/g'`