+20130427
+ + fix clang 3.2 warning in progs/dump_entry.c
+ + drop AC_TYPE_SIGNAL check; ncurses relies on c89 and later.
+
+20130413
+ + add MinGW to cases where ncurses installs by default into /usr
+ (prompted by discussion with Daniel Silva Ferreira).
+ + add -D option to infocmp's usage-message (patch by Miroslav Lichvar).
+ + add a missing 'int' type for main function in configure check for
+ type of bool variable, to work with clang 3.2 (report by Dmitri
+ Gribenko).
+ + improve configure check for static_cast, to work with clang 3.2
+ (report by Dmitri Gribenko).
+ + re-order rule for demo.o and macros defining header dependencies in
+ c++/Makefile.in to accommodate gmake (report by Dmitri Gribenko).
+
+20130406
+ + improve parameter checking in copywin().
+ + modify configure script to work around OS X's "libtool" program, to
+ choose glibtool instead. At the same time, chance the autoconf macro
+ to look for a "tool" rather than a "prog", to help with potential use
+ in cross-compiling.
+ + separate the rpath usage for c++ library from demo program
+ (Redhat #911540)
+ + update/correct header-dependencies in c++ makefile (report by Werner
+ Fink).
+ + add --with-cxx-shared to dpkg-script, as done for rpm-script.
+
+20130324
+ + build-fix for libtool configuration (reports by Daniel Silva Ferreira
+ and Roumen Petrov).
+