general: Sanitize IFS in EXIT trap

IFS may be modified temporarily when the configure script receives a
signal.  Make sure the EXIT trap uses the standard value.

* lib/autoconf/general.m4: Sanitize IFS in trap.
* THANKS: Update.

Copyright-paperwork-exempt: Yes

diff --git a/THANKS b/THANKS
index 8682c87ebddf6feea24d480118be82bc869519db..d90237d4d576d01eb81e3a795239a7baff25d380 100644 (file)
--- a/THANKS
+++ b/THANKS
@@ -33,7 +33,7 @@ Anders Kaseorg              andersk@MIT.EDU
 Andreas Buening             andreas.buening@nexgo.de
 Andreas Jaeger              aj@suse.de
 Andreas Schott              schott@rzg.mpg.de
-Andreas Schwab              schwab@issan.informatik.uni-dortmund.de
+Andreas Schwab              schwab@linux-m68k.org
 Andreas Waechter            andreasw@watson.ibm.com
 Andrej Borsenkow            borsenkow.msk@sni.de
 Andrew Belov                ?

diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index adfae1db918c256dfcf12e091ceab693cf15cf17..d06fdf5a99ba45c1abddc7b9209f33fef32bae5d 100644 (file)
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -1266,6 +1266,8 @@ AS_UNSET(ac_configure_args1)
 # WARNING: Use '\'' to represent an apostrophe within the trap.
 # WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
+  # Sanitize IFS.
+  IFS=" ""     $as_nl"
   # Save into config.log some information that might help in debugging.
   {
     echo