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	files, but requires a function reference.  This configure option
	changes several data references to functions to work around this
	problem.

	NOTE:  With ncurses 5.1, this may not be necessary, since we are
	told that some linkers interpret uninitialized global data as a
	different type of reference which behaves as described above.  We have
	explicitly initialized all of the global data to work around the
	problem.

    --enable-bsdpad
	Recognize BSD-style prefix padding.  Some ancient BSD programs (such as
	nethack) call tputs("50") to implement delays.

    --enable-colorfgbg
	Compile with experimental $COLORFGBG code.  That environment variable
	is set by some terminal emulators as a hint to applications, by
	advertising the default foreground and background colors.  During
	initialization, ncurses sets color pair 0 to match this.

    --enable-const
	The curses interface as documented in XSI is rather old, in fact
	including features that precede ANSI C.  The prototypes generally do
	not make effective use of "const".  When using stricter compilers (or
	gcc with appropriate warnings), you may see warnings about the mismatch
	between const and non-const data.  We provide a configure option which
	changes the interfaces to use const - quieting these warnings and
	reflecting the actual use of the parameters more closely.  The ncurses
	library uses the symbol NCURSES_CONST for these instances of const,
	and if you have asked for compiler warnings, will add gcc's const-qual
	warning.  There will still be warnings due to subtle inconsistencies
	in the interface, but at a lower level.

	NOTE:  configuring ncurses with this option may detract from the
	portability of your applications by encouraging you to use const in
	places where the XSI curses interface would not allow them.  Similar
	issues arise when porting to SVr4 curses, which uses const in even
	fewer places.

    --enable-echo
	Use the option --disable-echo to make the build-log less verbose by
	suppressing the display of the compile and link commands.  This makes
	it easier to see the compiler warnings.  (You can always use "make -n"
	to see the options that are used).

    --enable-expanded
	For testing, generate functions for certain macros to make them visible
	as such to the debugger.  See also the --disable-macros option.

    --enable-ext-colors
	Extend the cchar_t structure to allow more than 16 colors to be
	encoded.  This applies only to the wide-character (--enable-widec)
	configuration.

	NOTE:  using this option will make libraries which are not binary-
	compatible with libncursesw 5.4.  None of the interfaces change, but
	applications which have an array of cchar_t's must be recompiled.

    --enable-ext-mouse
	Modify the encoding of mouse state to make room for a 5th mouse button.
	That allows one to use ncurses with a wheel mouse with xterm or
	similar X terminal emulators.

	NOTE:  using this option will make libraries which are not binary-
	compatible with libncursesw 5.4.  None of the interfaces change, but
	applications which have mouse mask mmask_t's must be recompiled.

    --enable-getcap
	Use the 4.4BSD getcap code if available, or a bundled version of it to
	fetch termcap entries.  Entries read in this way cannot use (make
	cross-references to) the terminfo tree, but it is faster than reading
	/etc/termcap.

    --enable-getcap-cache
	Cache translated termcaps under the directory $HOME/.terminfo

	NOTE:  this sounds good - it makes ncurses run faster the second time.
	But look where the data comes from - an /etc/termcap containing lots of
	entries that are not up to date.  If you configure with this option and
	forget to install the terminfo database before running an ncurses
	application, you will end up with a hidden terminfo database that
	generally does not support color and will miss some function keys.

    --enable-hard-tabs
	Compile-in cursor-optimization code that uses hard-tabs.  We would make
	this a standard feature except for the concern that the terminfo entry
	may not be accurate, or that your stty settings have disabled the use
	of tabs.

    --enable-no-padding
	Compile-in support for the $NCURSES_NO_PADDING environment variable,
	which allows you to suppress the effect of non-mandatory padding in
	terminfo entries.  This is the default, unless you have disabled the
	extended functions.

    --enable-rpath
	Use rpath option when generating shared libraries, and with some
	restrictions when linking the corresponding programs.  This applies
	mainly to systems using the GNU linker (read the manpage).

    --enable-safe-sprintf
	Compile with experimental safe-sprintf code.  You may consider using
	this if you are building ncurses for a system that has neither
	vsnprintf() or vsprintf().  It is slow, however.

    --enable-sigwinch
	Compile support for ncurses' SIGWINCH handler.  If your application has
	its own SIGWINCH handler, ncurses will not use its own.  The ncurses
	handler causes wgetch() to return KEY_RESIZE when the screen-size
	changes.  This option is the default, unless you have disabled the
	extended functions.

    --enable-symlinks
	If your system supports symbolic links, make tic use symbolic links
	rather than hard links to save diskspace when writing aliases in the
	terminfo database.

    --enable-tcap-names
	Compile-in support for user-definable terminal capabilities.  Use the
	-x option of tic and infocmp to treat unrecognized terminal
	capabilities as user-defined strings.  This option is the default,
	unless you have disabled the extended functions.

    --enable-termcap
	Compile in support for reading terminal descriptions from termcap if no
	match is found in the terminfo database.  See also the --enable-getcap
	and --enable-getcap-cache options.

    --enable-warnings
	Turn on GCC compiler warnings.  There should be only a few.

    --enable-widec
	Compile with wide-character code.  This makes a different version of
	the libraries (e.g., libncursesw.so), which stores characters as
	wide-characters,

	NOTE: applications compiled with this configuration are not compatible
	with those built for 8-bit characters.  You cannot simply make a
	symbolic link to equate libncurses.so with libncursesw.so

	NOTE: the Ada95 binding may be built against either version of the the
	ncurses library, but you must decide which:  the binding installs the
	same set of files for either version.  Currently (2002/6/22) it does
	not use the extended features from the wide-character code, so it is
	probably better to not install the binding for that configuration.

    --enable-xmc-glitch
	Compile-in support experimental xmc (magic cookie) code.

    --with-abi-version=NUM
	Override the ABI version, which is used in shared library filenames.
	Normally this is the same as the release version; some ports have
	special requirements for compatibility.

    --with-ada-compiler=CMD
	Specify the Ada95 compiler command (default "gnatmake")

    --with-ada-include=DIR
	Tell where to install the Ada includes (default:
	PREFIX/lib/ada/adainclude)

    --with-ada-objects=DIR
	Tell where to install the Ada objects (default:  PREFIX/lib/ada/adalib)

    --with-bool=TYPE
	If --without-cxx is specified, override the type used for the "bool"
	declared in curses.h (normally the type is automatically chosen to
	correspond with that in <stdbool.h>, or defaults to platform-specific
	sizes).

    --with-build-cc=XXX
	If cross-compiling, specify a host C compiler, which is needed to
	compile a few utilities which generate source modules for ncurses.
	If you do not give this option, the configure script checks if the
	$BUILD_CC variable is set, and otherwise defaults to gcc or cc.

    --with-build-cflags=XXX
	If cross-compiling, specify the host C compiler-flags.  You might need
	to do this if the target compiler has unusual flags which confuse the
	host compiler.

    --with-build-cppflags=XXX
	If cross-compiling, specify the host C preprocessor-flags.  You might
	need to do this if the target compiler has unusual flags which confuse
	the host compiler.

    --with-build-ldflags=XXX
	If cross-compiling, specify the host linker-flags.  You might need to
	do this if the target linker has unusual flags which confuse the host
	compiler.

    --with-build-libs=XXX
	If cross-compiling, the host libraries.  You might need to do this if
	the target environment requires unusual libraries.

    --with-caps=XXX
	Specify an alternate terminfo capabilities file, which makes the
	configure script look for "include/Caps.XXX".  A few systems, e.g.,
	AIX 4.x use the same overall file-format as ncurses for terminfo
	data, but use different alignments within the tables to support
	legacy applications.  For those systems, you can configure ncurses
	to use a terminfo database which is compatible with the native
	applications.

    --with-chtype=TYPE
	Override type of chtype, which stores the video attributes and (if
	--enable-widec is not given) a character.  Prior to ncurses 5.5, this
	was always unsigned long, but with ncurses 5.5, it may be unsigned.
	Use this option if you need to preserve compatibility with 64-bit
	executables.

    --with-database=XXX
	Specify the terminfo source file to install.  Usually you will wish
	to install ncurses' default (misc/terminfo.src).  Certain systems
	have special requirements, e.g, OS/2 EMX has a customized terminfo
	source file.

    --with-dbmalloc
	For testing, compile and link with Conor Cahill's dbmalloc library.

    --with-debug
	Generate debug-libraries (default).  These are named by adding "_g"
	to the root, e.g., libncurses_g.a

    --with-default-terminfo-dir=XXX
	Specify the default terminfo database directory.  This is normally
	DATADIR/terminfo, e.g., /usr/share/terminfo.

    --with-develop
	Enable experimental/development options.  This does not count those
	that change the interface, such as --enable-widec.

    --with-dmalloc
	For testing, compile and link with Gray Watson's dmalloc library.

    --with-fallbacks=XXX
	Specify a list of fallback terminal descriptions which will be
	compiled into the ncurses library.  See CONFIGURING FALLBACK ENTRIES.

    --with-gpm
	use Alessandro Rubini's GPM library to provide mouse support on the
	Linux console.  Prior to ncurses 5.5, this introduced a dependency
	on the GPM library.  Currently ncurses uses the dlsym() function to
	bind to the at runtime, so it is only necessary that the library be
	present when ncurses is built.

    --with-install-prefix=XXX
	Allows you to specify an alternate location for installing ncurses
	after building it.  The value you specify is prepended to the "real"
	install location.  This simplifies making binary packages.  The
	makefile variable DESTDIR is set by this option.  It is also possible
	to use
		make install DESTDIR=XXX
	since the makefiles pass that variable to subordinate makes.

	NOTE:  a few systems build shared libraries with fixed pathnames; this
	option probably will not work for those configurations.

     --with-libtool[=XXX]
	Generate libraries with libtool.  If this option is selected, then it
	overrides all other library model specifications.  Note that libtool
	must already be installed, uses makefile rules dependent on GNU make,
	and does not promise to follow the version numbering convention of
	other shared libraries on your system.  However, if the --with-shared
	option does not succeed, you may get better results with this option.

	If a parameter value is given, it must be the full pathname of the
	particular version of libtool, e.g.,
		/usr/bin/libtool-1.2.3

	It is possible to rebuild the configure script to use the automake
	macros for libtool, e.g., AC_PROG_LIBTOOL.  See the comments in
	aclocal.m4 for CF_PROG_LIBTOOL, and ensure that you build configure
	using the appropriate patch for autoconf from
		http://invisible-island.net/autoconf/

    --with-manpage-aliases
	Tell the configure script you wish to create entries in the
	man-directory for aliases to manpages which list them, e.g., the
	functions in the panel manpage.  This is the default.  You can disable
	it if your man program does this.  You can also disable
	--with-manpage-symlinks to install files containing a ".so" command
	rather than symbolic links.

    --with-manpage-format=XXX
	Tell the configure script how you would like to install man-pages.  The
	option value must be one of these:  gzip, compress, BSDI, normal,
	formatted.  If you do not give this option, the configure script
	attempts to determine which is the case.

    --with-manpage-renames=XXX
	Tell the configure script that you wish to rename the manpages while
	installing.  Currently the only distribution which does this is
	the Linux Debian.  The option value specifies the name of a file
	that lists the renamed files, e.g., $srcdir/man/man_db.renames

    --with-manpage-symlinks
	Tell the configure script that you wish to make symbolic links in the
	man-directory for aliases to the man-pages.  This is the default, but
	can be disabled for systems that provide this automatically.  Doing
	this on systems that do not support symbolic links will result in
	copying the man-page for each alias.

    --with-manpage-tbl
	Tell the configure script that you with to preprocess the manpages
	by running them through tbl to generate tables understandable by
	nroff.

    --with-mmask-t=TYPE
	Override type of mmask_t, which stores the mouse mask.  Prior to
	ncurses 5.5, this was always unsigned long, but with ncurses 5.5, it
	may be unsigned.  Use this option if you need to preserve compatibility
	with 64-bit executables.

    --with-ospeed=TYPE
	Override type of ospeed variable, which is part of the termcap
	compatibility interface.  In termcap, this is a 'short', which works
	for a wide range of baudrates because ospeed is not the actual speed
	but the encoded value, e.g., B9600 would be a small number such as 13.
	However the encoding scheme originally allowed for values "only" up to
	38400bd.  A newer set of definitions past 38400bd is not encoded as
	compactly, and is not guaranteed to fit into a short (see the function
	cfgetospeed(), which returns a speed_t for this reason).  In practice,
	applications that required knowledge of the ospeed variable, i.e.,
	those using termcap, do not use the higher speeds.  Your application
	(or system, in general) may or may not.

    --with-normal
	Generate normal (i.e., static) libraries (default).

    --with-profile
	Generate profile-libraries These are named by adding "_p" to the root,
	e.g., libncurses_p.a

    --with-rcs-ids
	Compile-in RCS identifiers.  Most of the C files have an identifier.

    --with-rel-version=NUM
	Override the release version, which may be used in shared library
	filenames.  This consists of a major and minor version number separated
	by ".".  Normally the major version number is the same as the ABI
	version; some ports have special requirements for compatibility.

    --with-shared
	Generate shared-libraries.  The names given depend on the system for
	which you are building, typically using a ".so" suffix, along with
	symbolic links that refer to the release version.

	NOTE:  Unless you override the configure script by setting the $CFLAGS
	environment variable, these will not be built with the -g debugging