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diff --git a/contrib/ncurses/INSTALL b/contrib/ncurses/INSTALL deleted file mode 100644 index 7917e29..0000000 --- a/contrib/ncurses/INSTALL +++ /dev/null @@ -1,1619 +0,0 @@ -------------------------------------------------------------------------------- --- Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. -- --- -- --- Permission is hereby granted, free of charge, to any person obtaining a -- --- copy of this software and associated documentation files (the -- --- "Software"), to deal in the Software without restriction, including -- --- without limitation the rights to use, copy, modify, merge, publish, -- --- distribute, distribute with modifications, sublicense, and/or sell copies -- --- of the Software, and to permit persons to whom the Software is furnished -- --- to do so, subject to the following conditions: -- --- -- --- The above copyright notice and this permission notice shall be included -- --- in all copies or substantial portions of the Software. -- --- -- --- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -- --- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -- --- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -- --- NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -- --- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -- --- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -- --- USE OR OTHER DEALINGS IN THE SOFTWARE. -- --- -- --- Except as contained in this notice, the name(s) of the above copyright -- --- holders shall not be used in advertising or otherwise to promote the -- --- sale, use or other dealings in this Software without prior written -- --- authorization. -- -------------------------------------------------------------------------------- --- $Id: INSTALL,v 1.124 2008/03/29 18:07:32 tom Exp $ ---------------------------------------------------------------------- - How to install Ncurses/Terminfo on your system ---------------------------------------------------------------------- - - ************************************************************ - * READ ALL OF THIS FILE BEFORE YOU TRY TO INSTALL NCURSES. * - ************************************************************ - -You should be reading the file INSTALL in a directory called ncurses-d.d, where -d.d is the current version number. There should be several subdirectories, -including `c++', `form', `man', `menu', 'misc', `ncurses', `panel', `progs', -and `test'. See the README file for a roadmap to the package. - -If you are a Linux or FreeBSD or NetBSD distribution integrator or packager, -please read and act on the section titled IF YOU ARE A SYSTEM INTEGRATOR -below. - -If you are converting from BSD curses and do not have root access, be sure -to read the BSD CONVERSION NOTES section below. - -If you are trying to build applications using gpm with ncurses, -read the USING NCURSES WITH GPM section below. - -If you are running over the Andrew File System see the note below on -USING NCURSES WITH AFS. - -If you are cross-compiling, see the note below on BUILDING NCURSES WITH A -CROSS-COMPILER. - -If you want to build the Ada95 binding, go to the Ada95 directory and -follow the instructions there. The Ada95 binding is not covered below. - -If you are using anything but (a) Linux, or (b) one of the 4.4BSD-based -i386 Unixes, go read the Portability section in the TO-DO file before you -do anything else. - - -REQUIREMENTS: ------------- - -You will need the following to build and install ncurses under UNIX: - - * ANSI C compiler (gcc, for instance) - * sh (bash will do) - * awk (mawk or gawk will do) - * sed - * BSD or System V style install (a script is enclosed) - -Ncurses has been also built in the OS/2 EMX environment. - - -INSTALLATION PROCEDURE: ----------------------- - -1. First, decide whether you want ncurses to replace your existing library (in - which case you'll need super-user privileges) or be installed in parallel - with it. - - The --prefix option to configure changes the root directory for installing - ncurses. The default is normally in subdirectories of /usr/local, except - for systems where ncurses is normally installed as a system library, e.g., - Linux, the various BSD systems and Cygwin. Use --prefix=/usr to replace - your default curses distribution. - - The package gets installed beneath the --prefix directory as follows: - - In $(prefix)/bin: tic, infocmp, captoinfo, tset, - reset, clear, tput, toe - In $(prefix)/lib: libncurses*.* libcurses.a - In $(prefix)/share/terminfo: compiled terminal descriptions - In $(prefix)/include: C header files - Under $(prefix)/man: the manual pages - - Note that the configure script attempts to locate previous installation of - ncurses, and will set the default prefix according to where it finds the - ncurses headers. - - Do not use commands such as - - make install prefix=XXX - - to change the prefix after configuration, since the prefix value is used - for some absolute pathnames such as TERMINFO. Instead do this - - make install DESTDIR=XXX - - See also the discussion of --with-install-prefix. - -2. Type `./configure' in the top-level directory of the distribution to - configure ncurses for your operating system and create the Makefiles. - Besides --prefix, various configuration options are available to customize - the installation; use `./configure --help' to list the available options. - - If your operating system is not supported, read the PORTABILITY section in - the file ncurses/README for information on how to create a configuration - file for your system. - - The `configure' script generates makefile rules for one or more object - models and their associated libraries: - - libncurses.a (normal) - - libcurses.a (normal, a link to libncurses.a) - This gets left out if you configure with --disable-overwrite. - - libncurses.so (shared) - - libncurses_g.a (debug) - - libncurses_p.a (profile) - - libncurses.la (libtool) - - If you configure using the --enable-widec option, a "w" is appended to the - library names (e.g., libncursesw.a), and the resulting libraries support - wide-characters, e.g., via a UTF-8 locale. The corresponding header files - are compatible with the non-wide-character configuration; wide-character - features are provided by ifdef's in the header files. The wide-character - library interfaces are not binary-compatible with the non-wide-character - version. Building and running the wide-character code relies on a fairly - recent implementation of libiconv. We have built this configuration on - Linux using libiconv, sometimes requiring libutf8. - - If you configure using the --with-pthread option, a "t" is appended to - the library names (e.g., libncursest.a, libncursestw.a). - - If you do not specify any models, the normal and debug libraries will be - configured. Typing `configure' with no arguments is equivalent to: - - ./configure --with-normal --with-debug --enable-overwrite - - Typing - - ./configure --with-shared - - makes the shared libraries the default, resulting in - - ./configure --with-shared --with-normal --with-debug --enable-overwrite - - If you want only shared libraries, type - - ./configure --with-shared --without-normal --without-debug - - Rules for generating shared libraries are highly dependent upon the choice - of host system and compiler. We've been testing shared libraries on Linux - and SunOS with gcc, but more work needs to be done to make shared libraries - work on other systems. - - If you have libtool installed, you can type - - ./configure --with-libtool - - to generate the appropriate static and/or shared libraries for your - platform using libtool. - - You can make curses and terminfo fall back to an existing file of termcap - definitions by configuring with --enable-termcap. If you do this, the - library will search /etc/termcap before the terminfo database, and will - also interpret the contents of the TERM environment variable. See the - section BSD CONVERSION NOTES below. - -3. Type `make'. Ignore any warnings, no error messages should be produced. - This should compile the ncurses library, the terminfo compiler tic(1), - captoinfo(1), infocmp(1), toe(1), clear(1) tset(1), reset(1), and tput(1) - programs (see the manual pages for explanation of what they do), some test - programs, and the panels, menus, and forms libraries. - -4. Run ncurses and several other test programs in the test directory to - verify that ncurses functions correctly before doing an install that - may overwrite system files. Read the file test/README for details on - the test programs. - - NOTE: You must have installed the terminfo database, or set the - environment variable $TERMINFO to point to a SVr4-compatible terminfo - database before running the test programs. Not all vendors' terminfo - databases are SVr4-compatible, but most seem to be. Exceptions include - DEC's Digital Unix (formerly known as OSF/1). - - If you run the test programs WITHOUT installing terminfo, ncurses may - read the termcap file and cache that in $HOME/.terminfo, which will - thereafter be used instead of the terminfo database. See the comments - on "--enable-getcap-cache", to see why this is a Bad Thing. - - It is possible to configure ncurses to use other terminfo database formats. - A few are provided as examples in the include-directory (see --with-caps). - - The ncurses program is designed specifically to test the ncurses library. - You can use it to verify that the screen highlights work correctly, that - cursor addressing and window scrolling works OK, etc. - -5. Once you've tested, you can type `make install' to install libraries, - the programs, the terminfo database and the manual pages. Alternately, you - can type `make install' in each directory you want to install. In the - top-level directory, you can do a partial install using these commands: - - 'make install.progs' installs tic, infocmp, etc... - 'make install.includes' installs the headers. - 'make install.libs' installs the libraries (and the headers). - 'make install.data' installs the terminfo data. (Note: `tic' must - be installed before the terminfo data can be - compiled). - 'make install.man' installs the manual pages. - - ############################################################################ - # CAVEAT EMPTOR: `install.data' run as root will NUKE any existing # - # terminfo database. If you have any custom or unusual entries SAVE them # - # before you install ncurses. I have a file called terminfo.custom for # - # this purpose. Don't forget to run tic on the file once you're done. # - ############################################################################ - - The terminfo(5) manual page must be preprocessed with tbl(1) before - being formatted by nroff(1). Modern man(1) implementations tend to do - this by default, but you may want to look at your version's manual page - to be sure. You may also install the manual pages after preprocessing - with tbl(1) by specifying the configure option --with-manpage-tbl. - - If the system already has a curses library that you need to keep using - you'll need to distinguish between it and ncurses. See the discussion of - --disable-overwrite. If ncurses is installed outside the standard - directories (/usr/include and /usr/lib) then all your users will need to - use the -I option to compile programs and -L to link them. - - If you have another curses installed in your system and you accidentally - compile using its curses.h you'll end up with a large number of - undefined symbols at link time. - - IF YOU DO NOT HAVE ROOT: Change directory to the `progs' subdirectory - and run the `capconvert' script. This script will deduce various things - about your environment and use them to build you a private terminfo tree, - so you can use ncurses applications. - - If more than one user at your site does this, the space for the duplicate - trees is wasted. Try to get your site administrators to install a system- - wide terminfo tree instead. - - See the BSD CONVERSION NOTES section below for a few more details. - -6. The c++ directory has C++ classes that are built on top of ncurses and - panels. You must have c++ (and its libraries) installed before you can - compile and run the demo. - - Use --without-cxx-binding to tell configure to not build the C++ bindings - and demo. - - If you do not have C++, you must use the --without-cxx option to tell - the configure script to not attempt to determine the type of 'bool' - which may be supported by C++. IF YOU USE THIS OPTION, BE ADVISED THAT - YOU MAY NOT BE ABLE TO COMPILE (OR RUN) NCURSES APPLICATIONS WITH C++. - - -SUMMARY OF CONFIGURE OPTIONS: ----------------------------- - - The configure script provides a short list of its options when you type - - ./configure --help - - The --help and several options are common to all configure scripts that are - generated with autoconf. Those are all listed before the line - - --enable and --with options recognized: - - The other options are specific to this package. We list them in alphabetic - order. - - --disable-assumed-color - With ncurses 5.1, we introduced a new function, assume_default_colors() - which allows applications to specify what the default foreground and - background color are assumed to be. Most color applications use - full-screen color; but a few do not color the background. While the - assumed values can be overridden by invoking assume_default_colors(), - you may find it useful to set the assumed values to the pre-5.1 - convention, using this configure option. - - --disable-big-core - Assume machine has little memory. The configure script attempts to - determine if your machine has enough memory (about 6Mb) to compile the - terminfo database without writing portions to disk. Some allocators - return deceptive results, so you may have to override the configure - script. Or you may be building tic for a smaller machine. - - --disable-big-strings - Disable compile-time optimization of predefined tables which puts - all of their strings into a very long string, to reduce relocation - overhead. - - --disable-database - Use only built-in data. The ncurses libraries normally read terminfo - and termcap data from disk. You can configure ncurses to have a - built-in database, aka "fallback" entries. Embedded applications may - have no need for an external database. Some, but not all of the - programs are useful in this configuration, e.g., reset and tput versus - infocmp and tic. - - --disable-ext-funcs - Disable function-extensions. Configure ncurses without the functions - that are not specified by XSI. See ncurses/modules for the exact - list of library modules that would be suppressed. - - --disable-hashmap - Compile without hashmap scrolling-optimization code. This algorithm is - the default. - - --disable-home-terminfo - The $HOME/.terminfo directory is normally added to ncurses' search - list for reading/writing terminfo entries, since that directory is - more likely writable than the system terminfo database. Use this - option to disable the feature altogether. - - --disable-largefile - Disable compiler flags needed to use large-file interfaces. - - --disable-leaks - For testing, compile-in code that frees memory that normally would not - be freed, to simplify analysis of memory-leaks. - - Any implementation of curses must not free the memory associated with - a screen, since (even after calling endwin()), it must be available - for use in the next call to refresh(). There are also chunks of - memory held for performance reasons. That makes it hard to analyze - curses applications for memory leaks. To work around this, build - a debugging version of the ncurses library which frees those chunks - which it can, and provides the _nc_free_and_exit() function to free - the remainder on exit. The ncurses utility and test programs use this - feature, e.g., via the ExitProgram() macro. - - --disable-lp64 - The header files will ignore use of the _LP64 symbol to make chtype - and mmask_t types 32 bits (they may be long on 64-bit hosts, for - compatibility with older releases). - - NOTE: this is potentially an ABI change, depending on existing - packages. The default for this option is "disabled" for ncurses - ABI 5, and "enabled" for ABI 6. - - --disable-macros - For testing, use functions rather than macros. The program will run - more slowly, but it is simpler to debug. This defines NCURSES_NOMACROS - at build time. See also the --enable-expanded option. - - --disable-overwrite - If you are installing ncurses on a system which contains another - development version of curses, or which could be confused by the loader - for another version, we recommend that you leave out the link to - -lcurses. The ncurses library is always available as -lncurses. - Disabling overwrite also causes the ncurses header files to be - installed into a subdirectory, e.g., /usr/local/include/ncurses, - rather than the include directory. This makes it simpler to avoid - compile-time conflicts with other versions of curses.h - - --disable-relink - If --enable-rpath is given, the generated makefiles normally will - rebuild the libraries during install. Use this option to simply - copy whatever the linked produced. - - This option is ignored if --enable-rpath is not given. - - --disable-root-environ - Compile with environment restriction, so certain environment variables - are not available when running as root, or via a setuid/setgid - application. These are (for example $TERMINFO) those that allow the - search path for the terminfo or termcap entry to be customized. - - --disable-scroll-hints - Compile without scroll-hints code. This option is ignored when - hashmap scrolling is configured, which is the default. - - --disable-tparm-varargs - Portable programs should call tparm() using the fixed-length parameter - list documented in X/Open. ncurses provides varargs support for this - function. Use --disable-tparm-varargs to disable this support. - - --enable-assertions - For testing, compile-in assertion code. This is used only for a few - places where ncurses cannot easily recover by returning an error code. - - --enable-broken_linker - A few platforms have what we consider a broken linker: it cannot link - objects from an archive solely by referring to data objects in those - 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. - - If configured for one of the *BSD systems, this automatically uses - the hashed database system produced using cap_mkdb or similar tools. - In that case, there is no advantage in using the --enable-getcap-cache - option. - - See also the --with-hashed-db option. - - --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-mixed-case - Controls whether the filesystem on which the terminfo database resides - supports mixed-case filenames (normal for UNIX, but not on other - systems). If you do not specify this option, the configure script - checks the current filesystem. - - --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-reentrant - Compile experimental configuration which improves reentrant use of the - library by reducing global and static variables. This option is also - set if --with-pthread is used. - - --enable-rpath - Use rpath option when generating shared libraries, and (with some - restrictions) when linking the corresponding programs. This originally - (in 1997) applied mainly to systems using the GNU linker (read the - manpage). - - More recently it is useful for systems that require special treatment - shared libraries in "unusual" locations. The "system" libraries reside - in directories which are on the loader's default search-path. While - you may be able to use workarounds such as the $LD_LIBRARY_PATH - environment variable, they do not work with setuid applications since - the LD_LIBRARY_PATH variable would be unset in that situation. - - This option does not apply to --with-libtool, since libtool makes - extra assumptions about rpath. - - --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-signed-char - The term.h header declares a Booleans[] array typed "char". But it - stores signed values there and "char" is not necessarily signed. - Some packagers choose to alter the type of Booleans[] though this - is not strictly compatible. This option allows one to implement this - alteration without patching the source code. - - --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-wgetch-events - Compile with experimental wgetch-events code. See ncurses/README.IZ - - --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. - This also sets the --disable-leaks option. - - --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-dmalloc - For testing, compile and link with Gray Watson's dmalloc library. - This also sets the --disable-leaks option. - - --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 library at - runtime, so it is only necessary that the library be present when - ncurses is built, to obtain the filename (or soname) used in the - corresponding dlopen() call. If you give a value for this option, - e.g., - - --with-gpm=$HOME/tmp/test-gpm.so - - that overrides the configure check for the soname. - - See also --without-dlsym - - --with-hashed-db[=XXX] - Use a hashed database for storing terminfo data rather than storing - each compiled entry in a separate binary file within a directory - tree. - - In particular, this uses the Berkeley database 1.8.5 interface, as - provided by that and its successors db 2, 3, and 4. The actual - interface is slightly different in the successor versions of the - Berkeley database. The database should have been configured using - "--enable-compat185". - - If you use this option for configuring ncurses, tic will only be able - to write entries in the hashed database. infocmp can still read - entries from a directory tree as well as reading entries from the - hashed database. To do this, infocmp determines whether the $TERMINFO - variable points to a directory or a file, and reads the directory-tree - or hashed database respectively. - - You cannot have a directory containing both hashed-database and - filesystem-based terminfo entries. - - Use the parameter value to give the install-prefix used for the - datbase, e.g., - --with-hashed-db=/usr/local/BigBase - to find the corresponding include- and lib-directories under the - given directory. - - See also the --enable-getcap option. - - --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). - - Note: on Linux, the configure script will attempt to use the GPM - library via the dlsym() function call. Use --without-dlsym to disable - this feature, or --without-gpm, depending on whether you wish to use - GPM. - - --with-profile - Generate profile-libraries These are named by adding "_p" to the root, - e.g., libncurses_p.a - - --with-pthread - Link with POSIX threads, set --enable-reentrant. The use_window() and - use_screen() functions will use mutex's, allowing rudimentary support - for multithreaded applications. - - --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 - option. - - NOTE: For some configurations, e.g., installing a new version of - ncurses shared libraries on a machine which already has ncurses - shared libraries, you may encounter problems with the linker. - For example, it may prevent you from running the build tree's - copy of tic (for installing the terminfo database) because it - loads the system's copy of the ncurses shared libraries. In that - case, using the misc/shlib script may be helpful, since it sets - $LD_LIBRARY_PATH to point to the build tree, e.g., - ./misc/shlib make install - - --with-shlib-version=XXX - Specify whether to use the release or ABI version for shared libraries. - This is normally chosen automatically based on the type of system - which you are building on. We use it for testing the configure script. - - --with-sysmouse - use FreeBSD sysmouse interface provide mouse support on the console. - - --with-system-type=XXX - For testing, override the derived host system-type which is used to - decide things such as the linker commands used to build shared - libraries. This is normally chosen automatically based on the type of - system which you are building on. We use it for testing the configure - script. - - --with-terminfo-dirs=XXX - Specify a search-list of terminfo directories which will be compiled - into the ncurses library (default: DATADIR/terminfo) - - --with-termlib[=XXX] - When building the ncurses library, organize this as two parts: the - curses library (libncurses) and the low-level terminfo library - (libtinfo). This is done to accommodate applications that use only - the latter. The terminfo library is about half the size of the total. - - If an option value is given, that overrides the name of the terminfo - library. For instance, if the wide-character version is built, the - terminfo library would be named libtinfow. But the libtinfow interface - is upward compatible from libtinfo, so it would be possible to overlay - libtinfo.so with a "wide" version of libtinfow.so by renaming it with - this option. - - --with-termpath=XXX - Specify a search-list of termcap files which will be compiled into the - ncurses library (default: /etc/termcap:/usr/share/misc/termcap) - - --with-ticlib[=XXX] - When building the ncurses library, build a separate library for - the modules that are used only by the utility programs. Normally - those would be bundled with the termlib or ncurses libraries. - - If an option value is given, that overrides the name of the tic - library. As in termlib, there is no ABI difference between the - "wide" libticw.so and libtic.so - - --with-trace - Configure the trace() function as part of the all models of the ncurses - library. Normally it is part of the debug (libncurses_g) library only. - - --with-valgrind - For testing, compile with debug option. - This also sets the --disable-leaks option. - - --without-ada - Suppress the configure script's check for Ada95, do not build the - Ada95 binding and related demo. - - --without-curses-h - Don't install the ncurses header with the name "curses.h". Rather, - install as "ncurses.h" and modify the installed headers and manpages - accordingly. - - --without-cxx - XSI curses declares "bool" as part of the interface. C++ also declares - "bool". Neither specifies the size and type of booleans, but both - insist on the same name. We chose to accommodate this by making the - configure script check for the size and type (e.g., unsigned or signed) - that your C++ compiler uses for booleans. If you do not wish to use - ncurses with C++, use this option to tell the configure script to not - adjust ncurses bool to match C++. - - --without-cxx-binding - Suppress the configure script's check for C++, do not build the - C++ binding and related demo. - - --without-develop - Disable development options. This does not include those that change - the interface, such as --enable-widec. - - --without-dlsym - Do not use dlsym() to load GPM dynamically. - - --without-progs - Tell the configure script to suppress the build of ncurses' application - programs (e.g., tic). The test applications will still be built if you - type "make", though not if you simply do "make install". - - --without-xterm-new - Tell the configure script to use "xterm-old" for the entry used in - the terminfo database. This will work with variations such as - X11R5 and X11R6 xterm. - - -COMPATIBILITY WITH OLDER VERSIONS OF NCURSES: --------------------------------------------- - - Because ncurses implements the X/Open Curses Specification, its interface - is fairly stable. That does not mean the interface does not change. - Changes are made to the documented interfaces when we find differences - between ncurses and X/Open or implementations which they certify (such as - Solaris). We add extensions to those interfaces to solve problems not - addressed by the original curses design, but those must not conflict with - the X/Open documentation. - - Here are some of the major interface changes, and related problems which - you may encounter when building a system with different versions of - ncurses: - - 5.6 (December 17, 2006) - Interface changes: - - + generate linkable stubs for some macros: - - getbegx, getbegy, getcurx, getcury, getmaxx, getmaxy, getparx, - getpary, getpary, - - and (for libncursesw) - - wgetbkgrnd - - Added extensions: - nofilter() - use_legacy_coding() - - Added internal functions: - _nc_first_db - _nc_get_source - _nc_handle_sigwinch - _nc_is_abs_path - _nc_is_dir_path - _nc_is_file_path - _nc_keep_tic_dir - _nc_keep_tic_dir - _nc_last_db - _nc_next_db - _nc_read_termtype - _nc_tic_dir - - Also (if using the hashed database configuration): - - _nc_db_close - _nc_db_first - _nc_db_get - _nc_db_have_data - _nc_db_have_index - _nc_db_next - _nc_db_open - _nc_db_put - - otherwise - - _nc_hashed_db - - Removed internal functions: - none - - Modified internal functions: - _nc_add_to_try - _nc_do_color - _nc_expand_try - _nc_remove_key - _nc_setupscreen - - 5.5 (October 10, 2005) - Interface changes: - - + terminfo installs "xterm-new" as "xterm" entry rather than - "xterm-old" (aka xterm-r6). - - + terminfo data is installed using the tic -x option (few systems - still use ncurses 4.2). - - + modify C++ binding to work with newer C++ compilers by providing - initializers and using modern casts. Old-style header names are - still used in this release to allow compiling with not-so-old - compilers. - - + form and menu libraries now work with wide-character data. - Applications which bypassed the form library and manipulated the - FIELD.buf data directly will not work properly with libformw, since - that no longer points to an array of char. The set_field_buffer() - and field_buffer() functions translate to/from the actual field - data. - - + change SP->_current_attr to a pointer, adjust ifdef's to ensure that - libtinfo.so and libtinfow.so have the same ABI. The reason for this - is that the corresponding data which belongs to the upper-level - ncurses library has a different size in each model. - - + winnstr() now returns multibyte character strings for the - wide-character configuration. - - + assume_default_colors() no longer requires that use_default_colors() - be called first. - - + data_ahead() now works with wide-characters. - - + slk_set() and slk_wset() now accept and store multibyte or - multicolumn characters. - - + start_color() now returns OK if colors have already been started. - start_color() also returns ERR if it cannot allocate memory. - - + pair_content() now returns -1 for consistency with init_pair() if it - corresponds to the default-color. - - + unctrl() now returns null if its parameter does not correspond - to an unsigned char. - - Added extensions: - Experimental mouse version 2 supports wheel mice with buttons - 4 and 5. This requires ABI 6 because it modifies the encoding - of mouse events. - - Experimental extended colors allows encoding of 256 foreground - and background colors, e.g., with the xterm-256color or - xterm-88color terminfo entries. This requires ABI 6 because - it changes the size of cchar_t. - - Added internal functions: - _nc_check_termtype2 - _nc_resolve_uses2 - _nc_retrace_cptr - _nc_retrace_cvoid_ptr - _nc_retrace_void_ptr - _nc_setup_term - - Removed internal functions: - none - - Modified internal functions: - _nc_insert_ch - _nc_save_str - _nc_trans_string - - 5.4 (February 8, 2004) - Interface changes: - - + add the remaining functions for X/Open curses wide-character support. - These are only available if the library is configured using the - --enable-widec option. - pecho_wchar() - slk_wset() - - + write getyx() and related 2-return macros in terms of getcury(), - getcurx(), etc. - - + simplify ifdef for bool declaration in curses.h - - + modify ifdef's in curses.h that disabled use of __attribute__() for - g++, since recent versions implement the cases which ncurses uses. - - + change some interfaces to use const: - define_key() - mvprintw() - mvwprintw() - printw() - vw_printw() - winsnstr() - wprintw() - - Added extensions: - key_defined() - - Added internal functions: - _nc_get_locale() - _nc_insert_ch() - _nc_is_charable() wide - _nc_locale_breaks_acs() - _nc_pathlast() - _nc_to_char() wide - _nc_to_widechar() wide - _nc_tparm_analyze() - _nc_trace_bufcat() debug - _nc_unicode_locale() - - Removed internal functions: - _nc_outstr() - _nc_sigaction() - - Modified internal functions: - _nc_remove_string() - _nc_retrace_chtype() - - 5.3 (October 12, 2002) - Interface changes: - - + change type for bool used in headers to NCURSES_BOOL, which usually - is the same as the compiler's definition for 'bool'. - - + add all but two functions for X/Open curses wide-character support. - These are only available if the library is configured using the - --enable-widec option. Missing functions are - pecho_wchar() - slk_wset() - - + add environment variable $NCURSES_ASSUMED_COLORS to modify the - assume_default_colors() extension. - - Added extensions: - is_term_resized() - resize_term() - - Added internal functions: - _nc_altcharset_name() debug - _nc_reset_colors() - _nc_retrace_bool() debug - _nc_retrace_unsigned() debug - _nc_rootname() - _nc_trace_ttymode() debug - _nc_varargs() debug - _nc_visbufn() debug - _nc_wgetch() - - Removed internal functions: - _nc_background() - - Modified internal functions: - _nc_freeall() debug - - 5.2 (October 21, 2000) - Interface changes: - - + revert termcap ospeed variable to 'short' (see discussion of the - --with-ospeed configure option). - - 5.1 (July 8, 2000) - Interface changes: - - + made the extended terminal capabilities - (configure --enable-tcap-names) a standard feature. This should - be transparent to applications that do not require it. - - + removed the trace() function and related trace support from the - production library. - - + modified curses.h.in, undef'ing some symbols to avoid conflict - with C++ STL. - - Added extensions: assume_default_colors(). - - 5.0 (October 23, 1999) - Interface changes: - - + implemented the wcolor_set() and slk_color() functions. - - + move macro winch to a function, to hide details of struct ldat - - + corrected prototypes for slk_* functions, using chtype rather than - attr_t. - - + the slk_attr_{set,off,on} functions need an additional void* - parameter according to XSI. - - + modified several prototypes to correspond with 1997 version of X/Open - Curses: [w]attr_get(), [w]attr_set(), border_set() have different - parameters. Some functions were renamed or misspelled: - erase_wchar(), in_wchntr(), mvin_wchntr(). Some developers have used - attr_get(). - - Added extensions: keybound(), curses_version(). - - Terminfo database changes: - - + change translation for termcap 'rs' to terminfo 'rs2', which is - the documented equivalent, rather than 'rs1'. - - The problems are subtler in recent releases. - - a) This release provides users with the ability to define their own - terminal capability extensions, like termcap. To accomplish this, - we redesigned the TERMTYPE struct (in term.h). Very few - applications use this struct. They must be recompiled to work with - the 5.0 library. - - a) If you use the extended terminfo names (i.e., you used configure - --enable-tcap-names), the resulting terminfo database can have some - entries which are not readable by older versions of ncurses. This - is a bug in the older versions: - - + the terminfo database stores booleans, numbers and strings in - arrays. The capabilities that are listed in the arrays are - specified by X/Open. ncurses recognizes a number of obsolete and - extended names which are stored past the end of the specified - entries. - - + a change to read_entry.c in 951001 made the library do an lseek() - call incorrectly skipping data which is already read from the - string array. This happens when the number of strings in the - terminfo data file is greater than STRCOUNT, the number of - specified and obsolete or extended strings. - - + as part of alignment with the X/Open final specification, in the - 990109 patch we added two new terminfo capabilities: - set_a_attributes and set_pglen_inch). This makes the indices for - the obsolete and extended capabilities shift up by 2. - - + the last two capabilities in the obsolete/extended list are memu - and meml, which are found in most terminfo descriptions for xterm. - - When trying to read this terminfo entry, the spurious lseek() - causes the library to attempt to read the final portion of the - terminfo data (the text of the string capabilities) 4 characters - past its starting point, and reads 4 characters too few. The - library rejects the data, and applications are unable to - initialize that terminal type. - - FIX: remove memu and meml from the xterm description. They are - obsolete, not used by ncurses. (It appears that the feature was - added to xterm to make it more like hpterm). - - This is not a problem if you do not use the -x option of tic to - create a terminfo database with extended names. Note that the - user-defined terminal capabilities are not affected by this bug, - since they are stored in a table after the older terminfo data ends, - and are invisible to the older libraries. - - c) Some developers did not wish to use the C++ binding, and used the - configure --without-cxx option. This causes problems if someone - uses the ncurses library from C++ because that configure test - determines the type for C++'s bool and makes ncurses match it, since - both C++ and curses are specified to declare bool. Calling ncurses - functions with the incorrect type for bool will cause execution - errors. In 5.0 we added a configure option "--without-cxx-binding" - which controls whether the binding itself is built and installed. - - 4.2 (March 2, 1998) - Interface changes: - - + correct prototype for termattrs() as per XPG4 version 2. - - + add placeholder prototypes for color_set(), erasewchar(), - term_attrs(), wcolor_set() as per XPG4 version 2. - - + add macros getcur[xy] getbeg[xy] getpar[xy], which are defined in - SVr4 headers. - - New extensions: keyok() and define_key(). - - Terminfo database changes: - - + corrected definition in curses.h for ACS_LANTERN, which was 'I' - rather than 'i'. - - 4.1 (May 15, 1997) - - We added these extensions: use_default_colors(). Also added - configure option --enable-const, to support the use of const where - X/Open should have, but did not, specify. - - The terminfo database content changed the representation of color for - most entries that use ANSI colors. SVr4 curses treats the setaf/setab - and setf/setb capabilities differently, interchanging the red/blue - colors in the latter. - - 4.0 (December 24, 1996) - - We bumped to version 4.0 because the newly released dynamic loader - (ld.so.1.8.5) on Linux did not load shared libraries whose ABI and REL - versions were inconsistent. At that point, ncurses ABI was 3.4 and the - REL was 1.9.9g, so we made them consistent. - - 1.9.9g (December 1, 1996) - - This fixed most of the problems with 1.9.9e, and made these interface - changes: - - + remove tparam(), which had been provided for compatibility with - some termcap. tparm() is standard, and does not conflict with - application's fallback for missing tparam(). - - + turn off hardware echo in initscr(). This changes the sense of the - echo() function, which was initialized to echoing rather than - nonechoing (the latter is specified). There were several other - corrections to the terminal I/O settings which cause applications to - behave differently. - - + implemented several functions (such as attr_on()) which were - available only as macros. - - + corrected several typos in curses.h.in (i.e., the mvXXXX macros). - - + corrected prototypes for delay_output(), - has_color, immedok() and idcok(). - - + corrected misspelled getbkgd(). Some applications used the - misspelled name. - - + added _yoffset to WINDOW. The size of WINDOW does not impact - applications, since they use only pointers to WINDOW structs. - - These changes were made to the terminfo database: - - + removed boolean 'getm' which was available as an extended name. - - We added these extensions: wresize(), resizeterm(), has_key() and - mcprint(). - - 1.9.9e (March 24, 1996) - - not recommended (a last-minute/untested change left the forms and - menus libraries unusable since they do not repaint the screen). - Foreground/background colors are combined incorrectly, working properly - only on a black background. When this was released, the X/Open - specification was available only in draft form. - - Some applications (such as lxdialog) were "fixed" to work with the - incorrect color scheme. - - -IF YOU ARE A SYSTEM INTEGRATOR: ------------------------------- - - Configuration and Installation: - - On platforms where ncurses is assumed to be installed in /usr/lib, - the configure script uses "/usr" as a default: - - Linux, FreeBSD, NetBSD, OpenBSD, Cygwin - - For other platforms, the default is "/usr/local". See the discussion - of the "--disable-overwrite" option. - - The location of the terminfo is set indirectly by the "--datadir" - configure option, e.g., /usr/share/terminfo, given a datadir of - /usr/share. You may want to override this if you are installing - ncurses libraries in nonstandard locations, but wish to share the - terminfo database. - - Normally the ncurses library is configured in a pure-terminfo mode; - that is, with the --disable-termcap option. This makes the ncurses - library smaller and faster. The ncurses library includes a termcap - emulation that queries the terminfo database, so even applications that - use raw termcap to query terminal characteristics will win (providing - you recompile and relink them!). - - If you must configure with termcap fallback enabled, you may also wish - to use the --enable-getcap option. This speeds up termcap-based - startups, at the expense of not allowing personal termcap entries to - reference the terminfo tree. See comments in - ncurses/tinfo/read_termcap.c for further details. - - Note that if you have $TERMCAP set, ncurses will use that value - to locate termcap data. In particular, running from xterm will - set $TERMCAP to the contents of the xterm's termcap entry. - If ncurses sees that, it will not examine /etc/termcap. - - Keyboard Mapping: - - The terminfo file assumes that Shift-Tab generates \E[Z (the ECMA-48 - reverse-tabulation sequence) rather than ^I. Here are the loadkeys -d - mappings that will set this up: - - keycode 15 = Tab Tab - alt keycode 15 = Meta_Tab - shift keycode 15 = F26 - string F26 ="\033[Z" - - Naming the Console Terminal - - In various systems there has been a practice of designating the system - console driver type as `console'. Please do not do this! It - complicates peoples' lives, because it can mean that several different - terminfo entries from different operating systems all logically want to - be called `console'. - - Please pick a name unique to your console driver and set that up - in the /etc/inittab table or local equivalent. Send the entry to the - terminfo maintainer (listed in the misc/terminfo file) to be included - in the terminfo file, if it's not already there. See the - term(7) manual page included with this distribution for more on - conventions for choosing type names. - - Here are some recommended primary console names: - - linux -- Linux console driver - freebsd -- FreeBSD - netbsd -- NetBSD - bsdos -- BSD/OS - - If you are responsible for integrating ncurses for one of these - distribution, please either use the recommended name or get back - to us explaining why you don't want to, so we can work out nomenclature - that will make users' lives easier rather than harder. - - -RECENT XTERM VERSIONS: ---------------------- - - The terminfo database file included with this distribution assumes you - are running a modern xterm based on XFree86 (i.e., xterm-new). The - earlier X11R6 entry (xterm-r6) and X11R5 entry (xterm-r5) is provided - as well. See the --without-xterm-new configure script option if you - are unable to update your system. - - -CONFIGURING FALLBACK ENTRIES: ----------------------------- - - In order to support operation of ncurses programs before the terminfo - tree is accessible (that is, in single-user mode or at OS installation - time) the ncurses library can be compiled to include an array of - pre-fetched fallback entries. This must be done on a machine which - has ncurses' infocmp and terminfo database installed. - - These entries are checked by setupterm() only when the conventional - fetches from the terminfo tree and the termcap fallback (if configured) - have been tried and failed. Thus, the presence of a fallback will not - shadow modifications to the on-disk entry for the same type, when that - entry is accessible. - - By default, there are no entries on the fallback list. After you have - built the ncurses suite for the first time, you can change the list - (the process needs infocmp(1)). To do so, use the script - ncurses/tinfo/MKfallback.sh. A configure script option - --with-fallbacks does this (it accepts a comma-separated list of the - names you wish, and does not require a rebuild). - - If you wanted (say) to have linux, vt100, and xterm fallbacks, you - would use the commands - - cd ncurses; - tinfo/MKfallback.sh linux vt100 xterm >fallback.c - - Then just rebuild and reinstall the library as you would normally. - You can restore the default empty fallback list with - - tinfo/MKfallback.sh >fallback.c - - The overhead for an empty fallback list is one trivial stub function. - Any non-empty fallback list is const-ed and therefore lives in sharable - text space. You can look at the comment trailing each initializer in - the generated ncurses/fallback.c file to see the core cost of the - fallbacks. A good rule of thumb for modern vt100-like entries is that - each one will cost about 2.5K of text space. - - -BSD CONVERSION NOTES: --------------------- - - If you need to support really ancient BSD programs, you probably - want to configure with the --enable-bsdpad option. What this does - is enable code in tputs() that recognizes a numeric prefix on a - capability as a request for that much trailing padding in milliseconds. - There are old BSD programs that do things like tputs("50"). - - (If you are distributing ncurses as a support-library component of - an application you probably want to put the remainder of this section - in the package README file.) - - The following note applies only if you have configured ncurses with - --enable-termcap. - -------------------------------- CUT HERE -------------------------------- - -If you are installing this application privately (either because you -have no root access or want to experiment with it before doing a root -installation), there are a couple of details you need to be aware of. -They have to do with the ncurses library, which uses terminfo rather -than termcap for describing terminal characteristics. - -Though the ncurses library is terminfo-based, it will interpret your -TERMCAP variable (if present), any local termcap files you reference -through it, and the system termcap file. However, in order to avoid -slowing down your application startup, it will only do this once per -terminal type! - -The first time you load a given terminal type from your termcap -database, the library initialization code will automatically write it -in terminfo format to a subdirectory under $HOME/.terminfo. After -that, the initialization code will find it there and do a (much -faster) terminfo fetch. - -Usually, all this means is that your home directory will silently grow -an invisible .terminfo subdirectory which will get filled in with -terminfo descriptions of terminal types as you invoke them. If anyone -ever installs a global terminfo tree on your system, this will quietly -stop happening and your $HOME/.terminfo will become redundant. - -The objective of all this logic is to make converting from BSD termcap -as painless as possible without slowing down your application (termcap -compilation is expensive). - -If you don't have a TERMCAP variable or custom personal termcap file, -you can skip the rest of this dissertation. - -If you *do* have a TERMCAP variable and/or a custom personal termcap file -that defines a terminal type, that definition will stop being visible -to this application after the first time you run it, because it will -instead see the terminfo entry that it wrote to $HOME/terminfo the -first time around. - -Subsequently, editing the TERMCAP variable or personal TERMCAP file -will have no effect unless you explicitly remove the terminfo entry -under $HOME/terminfo. If you do that, the entry will be recompiled -from your termcap resources the next time it is invoked. - -To avoid these complications, use infocmp(1) and tic(1) to edit the -terminfo directory directly. - -------------------------------- CUT HERE -------------------------------- - -USING NCURSES WITH AFS: - AFS treats each directory as a separate logical filesystem, you - can't hard-link across them. The --enable-symlinks option copes - with this by making tic use symbolic links. - -USING NCURSES WITH GPM: - Ncurses 4.1 and up can be configured to use GPM (General Purpose - Mouse) which is used on Linux console. Be aware that GPM is commonly - installed as a shared library which contains a wrapper for the curses - wgetch() function (libcurses.o). Some integrators have simplified - linking applications by combining all or part of libcurses.so into the - libgpm.so file, producing symbol conflicts with ncurses (specifically - the wgetch function). This was originally the BSD curses, but - generally whatever curses library exists on the system. - - You may be able to work around this problem by linking as follows: - - cc -o foo foo.o -lncurses -lgpm -lncurses - - but the linker may not cooperate, producing mysterious errors. - See the FAQ, as well as the discussion under the --with-gpm option: - - http://invisible-island.net/ncurses/ncurses.faq.html#using_gpm_lib - -BUILDING NCURSES WITH A CROSS-COMPILER - Ncurses can be built with a cross-compiler. Some parts must be built - with the host's compiler since they are used for building programs - (e.g., ncurses/make_hash and ncurses/make_keys) that generate tables - that are compiled into the ncurses library. The essential thing to do - is set the BUILD_CC environment variable to your host's compiler, and - run the configure script configuring for the cross-compiler. - - The configure options --with-build-cc, etc., are provided to make this - simpler. Since make_hash and make_keys use only ANSI C features, it - is normally not necessary to provide the other options such as - --with-build-libs, but they are provided for completeness. - - Note that all of the generated source-files which are part of ncurses - will be made if you use - - make sources - - This would be useful in porting to an environment which has little - support for the tools used to generate the sources, e.g., sed, awk and - Bourne-shell. - - When ncurses has been successfully cross-compiled, you may want to use - "make install" (with a suitable target directory) to construct an - install tree. Note that in this case (as with the --with-fallbacks - option), ncurses uses the development platform's tic to do the - "make install.data" portion. - -BUGS: - Send any feedback to the ncurses mailing list at - bug-ncurses@gnu.org. To subscribe send mail to - bug-ncurses-request@gnu.org with body that reads: - subscribe ncurses <your-email-address-here> - - The Hacker's Guide in the doc directory includes some guidelines - on how to report bugs in ways that will get them fixed most quickly. - --- vile:txtmode |
