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+2004-06-03  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* README: Update location of patched M4 distribution.
+
+2004-05-30  Albert Chin-A-Young  <china@thewrittenword.com>
+
+	Don't assume the C++ compiler takes the same arguments as the C compiler
+	(trivial change).
+	* configure.ac (O0CXXFLAGS): New var.
+	* tests/atlocal.in (CXXFLAGS): Use it.
+
+2004-05-29  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Fix some "make check" problems with C++ reported by
+	Albert Chin-A-Young for Tru64 C++ in this thread:
+	http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
+
+	* m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
+	* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
+	Output to a .cc file for C++, not to a .c file.
+	* tests/calc.at (AT_CHECK_CALC): Likewise.
+	* tests/regression.at (AT_CHECK_DANCER): Likewise.
+	* tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
+
+2004-05-28  Albert Chin-A-Young  <china@thewrittenword.com>
+
+	* tests/calc.at, tests/actions.at: Workaround for SGI
+	C++ compiler.  (trivial change)
+
+2004-05-27  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Spent a few hours checking out which prerequisite versions the
+	current sources actually require.  I went all the way back to
+	Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
+	a seemingly endless set of combinations of versions more recent
+	than that.  The bottom line is that the current sources require
+	fairly recent versions of the build tools, and it'll be some work
+	to change this.
+	* configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
+	(AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
+	(AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
+	Add comments explaining why those particular versions are
+	currently needed.
+	
+	* src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
+	in SGI MIPSpro 7.4.1m.  Problem reported by Albert Chin-A-Young in
+	<http://mail.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
+
+	* configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
+	(it fails with a Autoconf-without-aclocal-m4 diagnostic).
+
+2004-05-26  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
+	0.11.5.  Suggested by Bruno Haible.
+	* bootstrap: Remove gettext version checking.
+
+	* doc/bison.texinfo (Decl Summary): Also mention that %union
+	can depend on prerequisite types.  Problem reported by Tim
+	Van Holder.
+
 2004-05-25  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* README: Mention GNU m4 1.4 bugs and Akim's patched version.
+	* README-alpha: Don't tell people not to package this.
+
+	* bootstrap: Don't assume $(...) works; use `...` instead.
+	Problem reported by Paul Hilfinger.  Also, diagnose non-GNU
+	gettext better.
+
 	* doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
 	put into the -d output file, and mention what to do if YYSTYPE is
 	defined as a macro.
@@ -14,7 +82,7 @@
 	configure.ac.  Warn users to ignore robots.txt ERROR 404.
 	* bootstrap: Undo today's earlier change (logged below).
 	* configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
-	
+
 	The gettext version checking is causing more trouble than it's
 	curing; remove it.  Problem reported by Paul Hilfinger.