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Whole document tree 2. Getting Started 2.1 Requirements Aspell requires gcc 2.95 (or better) as the C++ compiler. Other C++ compilers should work with some effort. Other C++ compilers for mostly POSIX compliant (Unix, Linux, BeOS, CygWin) systems should work with out any major problems provided that the compile can handle all of the advanced C++ features Aspell uses. C++ compilers for non-Unix systems might work but it will take some work. Aspell at very least requires a Unix-like environment (sh, grep, sed, tr, etc...) in order to build. Aspell also uses a few POSIX functions when necessary. Nevertheless, Aspell will compile and run using the MinGW version of gcc provided that the CygWin environment is used to to build it. Aspell also requires the Portable Spell Checker Interface Library, otherwise known as Pspell, to be installed on your system, in the same location as Aspell will be installed in, before it will compile. Aspell requires version .12.2 or better. You can obtain the latest version of Pspell from http://pspell.sourceforge.net/ 2.2 Obtaining The latest version can always be found at Aspell's home page at http://aspell.sourceforge.net. 2.3 Support Support for Aspell can be found on the Aspell mailing lists. Instructions for joining the various mailing lists (and an archive of them) can be found off the Aspell home page at http://aspell.sourceforge.net. Please use aspell-help for problems compiling and installing aspell, and aspell-user for general questions. 2.4 Helping Out The easiest thing you can do to help out it is too send me your .aspell.«lang».prepl file located in your home directory every so often. (Email kevina at users sourceforge net) The file contains data on which word pairs aspell is unable to come up with the proper suggestion. If the file does not exist is simply means that you were only using aspell in a program such as emacs which does not communicate the replacement pairs back to aspell. Sending me the file would help me improve aspell accuracy as right now I don't have very much real data to work with. If you are a good programmer and really want to help me consider doing one of the tasks listed in a recent post: From: Kevin Atkinson Date: 07/18/2001 Subject: Serious Help Needed for Aspell and Pspell In the past I have asked for help, but in specific areas and not very forcefully. Well, now I really would appreciate some help with developing Aspell and Pspell. I would like for Aspell to go to beta by the end of this summer but I really don't see that happening unless I get some help. Some of the areas I could use assistance in: Adding Affix compression support for Aspell Adding gettext support to Aspell and Pspell Making Aspell and Pspell thread safe And lots of other smaller areas. I am looking for people who are competent programmers and have some experience with C++. I am also looking for people which have a good deal of shell programming, Perl, and autotools experience to help me clean up my build system. Some areas such as thread safety will simply not happen until I get some help because I really do not know enough about it. I hate to whine. However, I have put an extremely large about of unpaid time into Aspell and would appreciate some giving back from those who use Aspell in there distribution or have used the Pspell library as part of there applications, especially with those with the resources to do so such as Open Source companies. I release that my code, especially Aspell's, can be a bit scary with all the complex C++, however I will be glade to help any one with this part and for most of the tasks I need help with, one really don't even need to know C++ that well. Here is a breakdown of the tasks I would like help with and the skills required. Task: Adding Affix compression support for Aspell Skills: Competent programmer with some C++ knowledge. I know exactly what needs to be done in this area so it will require very little knowledge of how Aspell works. Task: Adding gettext support to Aspell and Pspell Skills: Competent programmer with C++ knowledge and gettext knowledge. I don't know what needs to be done in this area however they shouldn't have to study Aspell that intensely as most of my text strings are concentrated together. They may also need to rework some of my strings into format strings (ie convert cout < "Bla.." < name < "..bla.." to something like "Bla.. $1 ..bla..") so that it can be translated correctly. However I have an idea how this should be done. Task: Making Aspell and Pspell thread safe. Skills: Competent programmer with good C++ and thread safety knowledge. This is the area where the C++ skills will probably be needed the most. Even though Aspell itself is not multi-threaded I would like it to be thread safe so that it can be used by multi-threaded programs. I have several areas that are potently thread unsafe (such as accessing a global pool) and need some one to give me advice on how to best do this. I also have several classes which have the potential of being used by more than one thread (such as the personal dictionary) and needs to be made thread safe. Task: Cleaning up the build system with Aspell and Pspell and similar tasks Skills: Competent shell programmer (preferably someone with more knowledge than I have) and a good knowledge of how GNU autoconf, automake, and libtool work. Task: Help with making the Aspell Dicts build system more robust Skills: Competent shell programmer (preferably someone with more knowledge than I have) and a good enough knowledge of Perl to understand everything in in my "proc" script (http://aspell.sourceforge.net/ aspell-gen-0.9.tar.bz2). Task: Miscellaneous other programming Tasks as I (or someone else) thinks of them Skills: Competent programmer with good C++ knowledge. Once Aspell is complete (ie gets into a beta state) you are really going to appreciate it. It will be able to do everything ispell can do and a lot more. However, I need some help in getting there. With out some serious help it is highly likely that Aspell will not be able to be complete (ie reach a beta state) till next summer as I won't be able to work on Aspell a great deal once School starts up again. Thanks in advance for anyone who can offer be some help. -- Kevin Atkinson kevina at users sourceforge net http://www.ibiblio.org/kevina/ 2.5 Compiling & Installing 2.5.1 Generic Install Instructions Before Aspell is compiled Pspell must be installed. You can obtain the latest version of Pspell from http://pspell.sourceforge.net/. Both Pspell and Aspell must have the same prefix directory in order to function correctly. Once Pspell is installed and you have read the sections below to take care of any special requirements for you system simply type ./configure && make or ./configure --disable-static && make to avoid making the static libraries on a system that supports shared libraries. For additional configure options type ./configure --help. You can control what C++ compiler is used by setting the environmental variable CXX before running configure and you can control what flags are passed to the C++ compile via the environmental variable CXXFLAGS. Aspell should then compile with out any additional user intervention. If you run into problems please first check the sections below as that might solve your problem. If it doesn't please post a message to the aspell-help mailing list with the compiler, system you are using and any error messages that were produced. You can find more info on the aspell-help mailing list info page at http://lists.sourceforge.net/lists/listinfo/aspell-help. To install the program simply type make install And that's all there is too it for a basic installation. If you do not have Ispell or the traditional Unix ``spell'' utility installed on your system than you should also copy the compatibly scripts ``ispell'' and ``spell'' located in the scripts/ directory into your binary directory which is usually /usr/local/bin so that programs that expect ispell or spell command will work correctly. 2.5.2 General Problems Aspell requires a specific version of Pspell. If the wrong version of Pspell is installed Aspell will not compile correctly. So before you try anything else make sure you are using the correct version of Pspell as stated in requirements (2.1) section. Aspell does not use a released version of GNU Libtool. In previous versions of aspell this will often create problems if you inadvertently modify a file which causes Libtool to be called. However, as of Aspell .33.6.1 this should no longer be a problem and automake, autoconf, or libtool should not be called unless you specifically call them or if you configure Aspell with --enable-maintainer-mode. If you do notice any of these programs being called (and you did not configure with --enable-maintainer-mode) please let me know about it. If you have a need to modify configure.in or any of the Makefile.am's you should install the multi-language-branch of the CVS version of libtool. 2.5.3 Curses Notes If you are having problems compiling termios.cc than the most likely reason is due to incompatibilities with the curses implementation on your system. If this is the case than you can explicitly disable the curses library with --disable-curses. By doing this you will lose the nice full screen interface but hopefully you will be able to at least get Aspell to compile correctly. If the curses library is installed in a non-standard location than you can specify the library and include directory with --enable-curses=«lib» and --enable-curses-include=«dir». Lib can either be the complete path of the library (for example ``/usr/local/curses/libcurses.a''), the name of the library (for example ``ncurses'') or a combined location and library in the form ``-L«lib dir» -l«lib»'' (for example ``-L/usr/local/ncurses/lib -lncurses''). Dir is the location of the curses header files (for example ``/usr/local/ncurses/include''). 2.5.4 Win32 Notes Aspell is now able to compile on Win32 platforms using the Win32 version of gcc. Aspell .30.1 can either be compiled with the Cgiwin or the Mingw version of Gcc 2.95 using the Cgiwin development environment. The Mingw version of Aspell will have slightly less functionality, but none of which is noticeable to the end user. In order to get the nice full screen interface with Mingw when spell checking files a curses implementation that does not require Cygwin is required. The PDCurses (http://www.lightlink.com/hessling/PDCurses/) implementation is known to work, other implementations may work however they have not been tested. See the previous section for information on specifying the location of the curses library and include file. When compiling Pspell I recommend you configure with --disable-shared and --disable-ltdl. Shared libraries won't work correctly anyway on Win32 and trying to compile the ltdl library can lead to unnecessary complications. When compiling Aspell I recommend you configure with --disable-shared. If you are planning to use Aspell outside if the Cygwin environment I strongly recommend you install Aspell in its own location (ie prefix is not /usr/local/) and compile it with --enable-win32-relocatable. Please note that Pspell and Aspell must be installed in the same location. (ie don't install Pspell in c:/pspell and Aspell in c:/aspell. Instead install them both in c:/aspell) If Aspell is compiled with --enable-win32-relocatable and the bindir is set to the same value as prefix (ie not «prefix»/bin) then the Aspell directory (what prefix is set to) can be relocated anywhere provided that none of the data files are moved around within the Aspell directory. The default paths for Aspell are designed for a Unix system and not a Win32 system so you might want to specify different ones when compiling Aspell. Also if the HOME environmental variable is not set Aspell will assume it is the current working directly. This may lead to your personal word lists being saved in unpredictable locations. To solve this either compile with --enable-win32-relocatable (see above) or specify the complete path of the personal and replacement word lists in aspell.conf. If Aspell is compiled with --enable-win32-relocatable than the personal word lists are saved in the prefix directory and the name is changed from ``.aspell.<lang>.*'' to'' <lang>.*''. 2.5.5 Egcs 1.1 Notes Aspell should now be able work with Egcs 1.1 but I have not been able to actually test it. If you have any luck one way or the other please let me know. 2.5.6 Upgrading from version .33 Even though .33.5 is a minor release it will unfortunately break binary compatibility with Aspell .33 due to the extensive changes needed to make Aspell better C++ compliant. This means applications such as Gaspell will need to be recompiled. 2.5.7 Upgrading from version .32.6 I have expanded the medium (*-med) word lists and decided to eliminate the large word lists (*-lrg) for now. However, the installing process will not automatically remove the large word lists so if you don't want them hanging around you should delete them your self. To remove all the files remove the following files from «library dir»/aspell: american-lrg-only british-lrg-only canadian-lrg-only english-lrg-only american-lrg.multi british-lrg.multi canadian-lrg.multi and the following files from «share dir»/pspell: en-american-lrg-aspell.pwli en-canadian-lrg-aspell.pwli en-british-lrg-aspell.pwli 2.5.8 Upgrading from version .32.1 Even though .32.5 is a minor release it breaks binary compatibly which means applications such as Gaspell will need to be recompiled. 2.5.9 Upgrading from version .31.1 The format and name of the main dictionary has changed yet again. The install process will over write the old version, so unless you are using dictionaries other than the one provided with aspell or want to have multiple versions of aspell installed you should not have to worry about this. The apostrophe (') is no longer considered part of the word if it appears at the end of a word. This means that you may have to manually remove words from your personal word list if you get a message similar to: Invalid word "dogs'": The character ''' may not appear at the end of a word. To remove the word simply delete the line containing the word form the personal word list ( normally called ``.aspell.english.pws'' ). Aspell now uses a completely new word list. This means that same words that were in the original word list may no longer appear in the current one. You may now also chose from American, British, and Canadian spelling and from two sizes medium and large. See section 5.4.1 for more information on choosing among the different choices. The original source that the word lists were created from is now found under the scowl/ directory. 2.5.10 Upgrading from version .30 The format of the main dictionary file has changed a bit. If you were able to use Aspell .30 then the old format should work. The only time the old format will NOT work is in the rare case the mmap fails. Previous version of aspell will just abort with an error when the mmap fails but the new version will attempt to read in the file using fread. Fread will fail with the old version of the main word list. 2.5.11 Upgrading from version .29.1 The format (but not the name) of the main dictionary has changed yet again. The install process will over write the old version, so unless you are using dictionaries other than the one provided with aspell or want to have multiple versions of aspell installed you should not have to worry about this. Aspell also now depends on Portable Spell Checker Interface Library otherwise known as Pspell. Pspell must be installed before aspell will compile, you can find it at http://pspell.sourceforge.net/. 2.5.12 Upgrading from version .29 The format and name of the main dictionary has changed which means it will need to be recompiled. The install process will remove the old files for you, so unless you are using dictionaries other than the one provided with aspell or want to have multiple versions of aspell installed you should not have to worry about this. 2.5.13 Upgrading from version .28.3 Aspell now uses namespaces which means egcs 1.0 and gcc 2.8 will no longer cut it. If this becomes a serious problem let me know as it should not be to difficult to get it working again with egcs 1.0 and gcc 2.8. Due to the new soundslike code the the main dictionary will need to be recompiled. The build process does this automatically so unless you want to have more than one version of aspell around you should not need to worry about this. The format and file name of the personal dictionaries has also changed. In most cases aspell will automatically detect this and convert it for you by using the following algorithm. If no file exist of *.pws (for the personal word list) or *.prepl (for the personal replacement list) aspell will look for *.per or *.rpl respectfully. If that file is found it will read in the data using the old format. When saving the dictionary it will save is as *.pws or *.prepl respectfully. Once saved as the new format it will delete the old file. If you have an older version of aspell around you can restore the old dictionaries by using these command aspell.new dump personal | aspell.old create personal aspell.new dump repl | aspell.old create repl The new version of aspell will then leave the old files alone as long as *.pws and *.prepl exist. Also, if the file does not end in .pws or .prepl it will try to read it in using the new format and if that fails it will read in the old format. When the file is saved it will be saved as the new format. I am hopping I will not have to change the format of the personal dictionaries again. However, the main word list however is very likely to change in format. 2.5.14 Upgrading from version .28.2.1 The behavior of ``aspell check'' changed so that it will now over right the original file as creating new file was creating too many problems when used with programs like pine and vi. 2.5.15 Upgrading from version .27.2 The name of the personal word lists have changes from .aspell.per and .aspell.rpl to .aspell.«lang».per and .aspell.«lang».rpl respectively. «lang» is is the language name which will generally be ``english''. If you wish to use your old word lists you will need to rename those files. 2.5.16 Upgrading from version .25 The format of the personal replacement dictionary has changed. So, you will either need to rename or remove the file .aspell.rpl located in your home directory. If you have information in this file you would like to preserve please send me an email. 2.5.17 Upgrading from version .24 Because the location of the main word list moved you should probably do a make uninstall (with the old version of a Aspell) before upgrading to remove the old word lists. A make uninstall will not remove any personal word lists.