portability: fix several issues with M4 subprocess.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index ae87c0af64f99a7e8e3057657fd269f02858337f..83f56c6ec04ac161878dbcada86eb87861893ba7 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -238,6 +238,12 @@ Bison News
 
 * Changes in version 2.4.2 (????-??-??):
 
+** Some portability problems that resulted in failures and livelocks
+   in the test suite on some versions of at least Solaris, AIX, HP-UX,
+   RHEL4, and Tru64 have been fixed.  As part of those fixes, fatal
+   Bison errors no longer cause M4 to report a broken pipe on the
+   affected platforms.
+
 ** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately.
 
   POSIX specifies that an error be reported for any identifier that does