* lib/autoconf/general.m4 (_AC_PREPROC_IFELSE, _AC_COMPILE_IFELSE,

_AC_LINK_IFELSE): Redirect stdin to /dev/null.

diff --git a/ChangeLog b/ChangeLog
index 8c49f7938f989b672a861f25a2f8559146283a5c..291297fd7149e74836d094a4650170263f97d815 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2005-02-10  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * lib/autoconf/general.m4 (_AC_PREPROC_IFELSE, _AC_COMPILE_IFELSE,
+       _AC_LINK_IFELSE): Redirect stdin to /dev/null, in an attempt to
+       avoid thinking that Allegro Common Lisp's "cl" command is a C++
+       compiler.
+
 2005-02-09  Paul Eggert  <eggert@cs.ucla.edu>
 
        * doc/autoconf.texi (Limitations of Usual Tools): Document that