Document AC_LANG_CONFTEST semantic change.

* doc/autoconf.texi (Generating Sources) <AC_LANG_CONFTEST>:
Enhance documentation, to show that semantic change in 2.63b was
intentional.
* THANKS: Update.
Reported by Brian J. Murrell, analyzed by Ralf Wildenhues.

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

diff --git a/ChangeLog b/ChangeLog
index 4054f787d0f1d9b1f52857767f061fb8d8d4d7bc..864bf5683e5944148c3bc73fa1b66888c6f25124 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2010-03-04  Eric Blake  <eblake@redhat.com>
+
+       Document AC_LANG_CONFTEST semantic change.
+       * doc/autoconf.texi (Generating Sources) <AC_LANG_CONFTEST>:
+       Enhance documentation, to show that semantic change in 2.63b was
+       intentional.
+       * THANKS: Update.
+       Reported by Brian J. Murrell, analyzed by Ralf Wildenhues.
+
 2010-03-04  Peter Johansson  <trojkan@gmail.com>  (tiny change)
 
        Autoconf Macro Archive URL has changed.

diff --git a/THANKS b/THANKS
index ffa56de3a4eaf5e77a22723a6d05d82d59757bfe..300d1e8af9356c2cb2b6993294758bc5ce07fb9f 100644 (file)
--- a/THANKS
+++ b/THANKS
@@ -59,6 +59,7 @@ Brad Walker                 me@bradmwalker.com
 Braden McDaniel             braden@endoframe.com
 Bram Moolenaar              bram@vim.org
 Brian Gough                 bjg@network-theory.co.uk
+Brian J. Murrell            brian@sun.com
 Bruce Dugan                 bld0401@gmail.com
 Bruce Korb                  bkorb@gnu.org
 Bruce Lilly                 ?

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 49fbd23153fcab4e9ee2d97652d66f791f7e36e9..15d2db7148bb462a49ff487c229fb297d41097b2 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -8651,7 +8651,8 @@ actually depend on the current language (@pxref{Language Choice}) to
 @acindex{LANG_CONFTEST}
 Save the @var{source} text in the current test source file:
 @file{conftest.@var{extension}} where the @var{extension} depends on the
-current language.
+current language.  As of Autoconf 2.63b, the source file also contains
+the results of all of the @code{AC_DEFINE} performed so far.
 
 Note that the @var{source} is evaluated exactly once, like regular
 Autoconf macro arguments, and therefore (i) you may pass a macro