* Version 4.5.11.
+ * Makefile.maint (prev_version_file): Don't use ?= for this particular
+ assignment, since it causes trouble with old versions of GNU make
+ (e.g. 3.76.1). The other uses of `?=' are inoffensive. Details here.
+ http://mail.gnu.org/archive/html/bug-coreutils/2003-03/msg00028.html
+ Patch from Alexandre Duret-Lutz.
+
* Use patched automake-1.7.3. Regenerate Makefile.in files in
subdirectories so that each includes a definition of ACLOCAL_M4.