+20080705
+ + use NCURSES_MOUSE_MASK() in definition of BUTTON_RELEASE(), etc., to
+ make those work properly with the "--enable-ext-mouse" configuration
+ (cf: 20050205).
+ + improve documentation of build-cc options in INSTALL.
+ + work-around a bug in gcc 4.2.4 on AIX, which does not pass the
+ -static/-dynamic flags properly to linker, causing test/bs to
+ not link.
+