portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.

Reported by Johan van Selst at
<http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00014.html>.
* NEWS (2.4.3): New.
* THANKS (Johan van Selst): Add.
* gnulib: Update to latest.
(cherry picked from commit 311b2e56ea)

Conflicts:

	NEWS

ChangeLog

@@ -1,3 +1,12 @@
+2010-03-23  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+	portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.
+	Reported by Johan van Selst at
+	<http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00014.html>.
+	* NEWS (2.4.3): New.
+	* THANKS (Johan van Selst): Add.
+	* gnulib: Update to latest.
+
 2010-03-20  Joel E. Denny  <jdenny@ces.clemson.edu>
 
 	maint: update for changes to gnulib's announce-gen.

NEWS

@@ -186,6 +186,11 @@ Bison News
   determine which destructor to call for the lookahead upon a syntax
   error or upon parser return.  This bug has been fixed.
 
+* Changes in version 2.4.3 (????-??-??):
+
+** Problems with spawning M4 on at least FreeBSD 8 and FreeBSD 9 have
+   been fixed.
+
 * Changes in version 2.4.2 (2010-03-20):
 
 ** Some portability problems that resulted in failures and livelocks

THANKS

@@ -47,6 +47,7 @@ Jesse Thilo               jthilo@gnu.org
 Jim Kent                  jkent@arch.sel.sony.com
 Jim Meyering              jim@meyering.net
 Joel E. Denny             jdenny@ces.clemson.edu
+Johan van Selst           johans@stack.nl
 Jonathan Nieder           jrnieder@gmail.com
 Juan Manuel Guerrero      juan.guerrero@gmx.de
 Kees Zeelenberg           kzlg@users.sourceforge.net

build-aux/.cvsignore

@@ -2,6 +2,7 @@ Makefile
 Makefile.in
 announce-gen
 arg-nonnull.h
+c++defs.h
 compile
 config.guess
 config.rpath

build-aux/.gitignore

@@ -2,6 +2,7 @@
 /Makefile.in
 /announce-gen
 /arg-nonnull.h
+/c++defs.h
 /compile
 /config.guess
 /config.rpath

m4/.cvsignore

@@ -130,8 +130,10 @@ warn-on-use.m4
 warning.m4
 warnings.m4
 wchar.m4
+wchar_h.m4
 wchar_t.m4
 wctype.m4
+wctype_h.m4
 wcwidth.m4
 wint_t.m4
 xalloc.m4

m4/.gitignore

@@ -130,8 +130,10 @@
 /warning.m4
 /warnings.m4
 /wchar.m4
+/wchar_h.m4
 /wchar_t.m4
 /wctype.m4
+/wctype_h.m4
 /wcwidth.m4
 /wint_t.m4
 /xalloc.m4