[SCM] GNU Autoconf source repository branch, master, updated. v2.67-72-g779418b

[Eric Blake]

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- Log -----------------------------------------------------------------
commit 779418b2d51457502cdf2e0d601ad9329089a74c
Author: Eric Blake <address@hidden>
Date:   Fri Sep 17 10:39:29 2010 -0600

    config.status: avoid corrupting $ac_t
    
    * lib/autoconf/status.m4 (_AC_OUTPUT_HEADERS_PREPARE): Use a
    different name, so as not to clash with pre-2.50 usage of "$ac_t"
    as a tab character.
    Reported by Sam Steingold.
    
    Signed-off-by: Eric Blake <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog              |    8 ++++++++
 lib/autoconf/status.m4 |    4 ++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 82185b4..8067072 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2010-09-17  Eric Blake  <address@hidden>
+
+       config.status: avoid corrupting $ac_t
+       * lib/autoconf/status.m4 (_AC_OUTPUT_HEADERS_PREPARE): Use a
+       different name, so as not to clash with pre-2.50 usage of "$ac_t"
+       as a tab character.
+       Reported by Sam Steingold.
+
 2010-09-17  Bruno Haible  <address@hidden>
 
        docs: mark several macros obsolete
diff --git a/lib/autoconf/status.m4 b/lib/autoconf/status.m4
index 07889ae..7937388 100644
--- a/lib/autoconf/status.m4
+++ b/lib/autoconf/status.m4
@@ -749,8 +749,8 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
     AC_MSG_ERROR([could not make $CONFIG_HEADERS])


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