+20110416
+ + modify configure script/source-code to only define _POSIX_SOURCE if
+ the checks for sigaction and/or termios fail, and if _POSIX_C_SOURCE
+ and _XOPEN_SOURCE are undefined (report by Valentin Ochs).
+ + update config.guess, config.sub
+
+20110409
+ + fixes to build c++ binding with clang 3.0 (patch by Alexander
+ Kolesen).
+ + add check for unctrl.h in test/configure, to work around breakage in
+ some ncurses packages.
+ + add "--disable-widec" option to test/configure script.
+ + add "--with-curses-colr" and "--with-curses-5lib" options to the
+ test/configure script to address testing with very old machines.
+
+20110404 5.9 release for upload to ftp.gnu.org
+
+20110402
+ + various build-fixes for the rpm/dpkg scripts.
+ + add "--enable-rpath-link" option to Ada95/configure, to allow
+ packages to suppress the rpath feature which is normally used for
+ the in-tree build of sample programs.
+ + corrected definition of libdir variable in Ada95/src/Makefile.in,
+ needed for rpm script.
+ + add "--with-shared" option to Ada95/configure script, to allow
+ making the C-language parts of the binding use appropriate compiler
+ options if building a shared library with gnat.
+