Changes to m4/ChangeLog

[Gary V . Vaughan]

Index: m4/ChangeLog
diff -u m4/ChangeLog:1.270 m4/ChangeLog:1.271
--- m4/ChangeLog:1.270  Wed May  4 18:39:49 2005
+++ m4/ChangeLog        Wed May  4 18:56:36 2005
@@ -1,5 +1,12 @@
 2005-05-04  Paul Eggert  <address@hidden>
 
+       * src/main.c (print_program_name_CB): Preserve errno, since
+       M4ERROR relies on this.
+       * modules/gnu.c (m4_esyscmd): Clear errno before calling popen.
+       * modules/m4.c (m4_maketemp): Clear errno before calling mkstemp.
+       * m4/path.c (m4_path_search): Don't let "free" trash errno when
+       returning NULL.
+
        * m4/output.c (m4_insert_file): Don't assume errno has a valid
        value simply because fread returns zero.  This fixes a
        portability bug reported by Marion Hakanson in
@@ -6239,4 +6246,4 @@
        * Initial beta release.  Release 0.50, manual 0.05.
 
 
-       $Revision: 1.270 $ $Date: 2005/05/04 18:39:49 $
+       $Revision: 1.271 $ $Date: 2005/05/04 18:56:36 $