configure.in (AC_EXEEXT): Work around in case it expands to nothing, as in autoconf 2.50.

* configure.in (AC_EXEEXT): Work around in case it expands to
nothing, as in autoconf 2.50.
* acinclude.m4: Likewise.
* aclocal.m4, configure: Rebuilt.

From-SVN: r43107

boehm-gc/ChangeLog

@@ -2,7 +2,8 @@
 
 	* configure.in (AC_EXEEXT): Work around in case it expands to
 	nothing, as in autoconf 2.50.
-	* configure: Rebuilt.
+	* acinclude.m4: Likewise.
+	* aclocal.m4, configure: Rebuilt.
 
 2001-06-07  Tom Tromey  <tromey@redhat.com>
 

boehm-gc/aclocal.m4

@@ -149,6 +149,10 @@ AM_MAINTAINER_MODE
 # automake happy, but we don't execute it, since we don't care about
 # the result.
 if false; then
+  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+  # to nothing, so nothing would remain between `then' and `fi' if it
+  # were not for the `:' below.
+  :
   AC_EXEEXT
 fi