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Here is the original README for InterViews 3.1. Ignore the installation instructions; to install it, see the file INSTALL instead. This version of interviews has been hacked from the original distribution to be portable to a few more platforms, and to use an autoconfigure script. All of the imake garbage has been removed, including the imake configuration files, the ivmkmf script, and other related things. Do not use this library for new development efforts! Use a more modern one, like gtkmm or Qt or wxwindows. This library is only for legacy code. ------------------------------------------------------------------------------- README for InterViews 3.1 The iv subdirectory in this directory contains the InterViews 3.1 distribution from Stanford University and Silicon Graphics. You should read the release notes in iv/src/man/refman/refman.PS for information about differences between 3.0 and 3.1. You should read the rest of this file for information about how to build, install, and use InterViews. If you have a bug report, please send it to email@example.com If you have any questions or problems, please post them in the USENET newsgroup comp.windows.interviews If you do not have access to news and you wish to be on the InterViews mailing list which is gatewayed with comp.windows.interviews, send a request to firstname.lastname@example.org The mailing list alias is email@example.com Please post to only the newsgroup or only the mailing list but not both since whatever you post in one will appear in the other too. * What else to get You should have gotten a C++ compiler which accepts revision 2.0 or later of the language. You should have installed the X11R4 or X11R5 distribution from MIT. If you use a vendor's X11 product, the product should be based on R4 or later and the product should include imake, makedepend, and the config files. If imake and makedepend are not in the same place where the other X11 binaries are or anywhere else on your system, you can get the sources for imake and makedepend from the X11R4 distribution at several public ftp archives (such as expo.lcs.mit.edu). The X11R4 distribution also contains platform-specific configuration files (*.cf) which you must put in /usr/lib/X11/config or a similar place before building InterViews. * What to do before building InterViews You should check that you have about 50Mb of free space before you unpack the 3.1 tar file. If you have SunOS shared libraries, you can get by with about 35Mb. The InterViews source tree itself occupies only 8Mb, but saying "make World" will add 17Mb to iv and saying "make install" will add another 18Mb. You should read and edit iv/src/config/InterViews/local.def before building InterViews. This file is the place to set parameters which may need to be changed for your site. To find out which parameters you can set, read params.def in the same directory. For example, you might add the lines #undef CCDriver #define CCDriver /usr/CC/sun4/CC #undef DependCCFlags #define DependCCFlags $(CCDEFINES) $(CCINCLUDES) -I/usr/CC/incl #undef SharedCCFlags #define SharedCCFlags -PIC to local.def if you use Sun C++ 2.0. Sun C++ 2.0 will not be able to build libIV.so.3.0 unless you use -PIC instead of -pic. You must decide whether to change the definition of InstalledRoot in local.def before building InterViews since the name will be compiled into InterViews applications. For example, the application "doc" will expect to get its menus from /interviews/lib/all/app-defaults/Doc at startup unless you set InstalledRoot to something else before building InterViews. Other parameters you may also have to set are where to find the X11 config files, includes, and libraries. If the X11 config files are not in /usr/lib/X11/config, the X11 includes are not in /usr/include, or the X11 libraries are not in /lib, /usr/lib, or /usr/local/lib, then you should specify their actual locations in local.def. For example, you might add the lines #undef XConfigDir #define XConfigDir /usr/X11R5/lib/X11/config #undef XIncDir #define XIncDir /usr/X11R5/include #undef XLibDir #define XLibDir /usr/X11R5/lib if you are using X11R5 and it is installed in /usr/X11R5. You will also have to override XCONFIGDIR when saying "make World"; see below. You should read the X11 platform-specific .cf file that will be used when you build InterViews. It probably will set a few InterViews parameters like extra compiler flags, extra defines, or extra libraries so you should check that all of these extra flags work with your C++ compiler as well as with your C compiler. If your C++ compiler will not accept some of them or it needs some additional flags, you can set the affected InterViews parameters in the corresponding iv-*.cf file before xparams.cf sets them. See iv-sgi.cf and iv-ultrix.cf for examples. The iv-*.cf file is the only other file besides local.def which you should ever need to change. (If you have to change this file, please send us the changes so we can incorporate them in the next release.) * How to build InterViews After you set any necessary parameters in local.def, you can build InterViews with the following commands (but read the rest of this section first!): cd iv setenv CPU `make CPU` make World XCONFIGDIR=<actual location of X11 config files> As the first command shows, you should be in the iv directory (below this README) before starting to build InterViews. The second command assigns the name of your machine's architecture to the environment variable CPU. Saying "make CPU" by itself will print the name that you should assign to CPU (MIPSEL, SUN4, etc.). If you do not set CPU, the Makefiles will not be able to create the appropriate subdirectories in which to put the object code files and you will not be able to build InterViews. The third command builds everything for you. If the X11 config files are not in /usr/lib/X11/config, you must override XCONFIGDIR on the command line as well as set XConfigDir in local.def or "make World" will not work correctly. You may want to redirect the output of "make World" to a file and inspect it later since the build will take more than two hours to complete on a system with the performance of a DECstation 3100 or SPARCstation 1. Once the build concludes, you can find errors in the output quickly by searching for the character ':' (unfortunately, this will not work very well if your C++ compiler driver prints verbose output showing the execution of each phase). * How to install InterViews To install InterViews, say make install in the same directory where you said "make World". This command will create a new subdirectory called installed and install inside this directory everything that you will need to use InterViews. Since "make install" will not try to install anything outside of iv/installed, you can say it without having to become the superuser. The only additional step you may need to take is to create a symbolic link elsewhere that points at iv/installed. If you did not change the definition of InstalledRoot in local.def, then this symbolic link should have the name "/interviews". This link allows InterViews applications to find installed data files at startup time. For example, the application "doc" will not be very functional if it cannot read its menus from /interviews/lib/all/app-defaults/Doc. Once you finish the installation of InterViews, you will no longer need iv/src (the source tree). You can say "make clean" to save disk space by removing all object code files in the source tree. You can even copy iv/installed to another computer and use InterViews on that computer without iv/src having to be present. If you have a symbolic link that points at iv/installed, your PATH can be the same on any computer which contains iv/installed as long as they all have the same name for the symbolic link (like /interviews). * How to use InterViews If /interviews is a symbolic link to iv/installed, you can start using InterViews by putting the following lines in your .cshrc: setenv CPU SUN4 # or MIPSEL or whatever setenv MANPATH $MANPATH:/interviews/man setenv PATH $PATH:/interviews/bin/$CPU Once you have /interviews/bin/$CPU in your PATH, you can use the InterViews script "ivmkmf" to generate Makefiles for your own InterViews applications. You have to write an Imakefile first, but you can do that by copying one of the Imakefiles in iv/src/bin and replacing the filenames with the names of your application's source files. Saying "ivmkmf" will generate a Makefile that contains the appropriate -I and -L flags for using the InterViews includes and libraries when building your application. * How to write an Imakefile The easiest way to write an Imakefile is to start with a copy of a similar Imakefile and modify it. If you use only 3.1 classes, you can copy alert's Imakefile. If you use both 3.1 and 2.6 classes, you can copy doc's Imakefile. If you use only 2.6 classes, you can copy dclock's Imakefile. If you use the Unidraw library, you can copy idraw's Imakefile. Reading the config files to understand how the rules are defined will also help if you need to do anything complicated. Some make variables are reserved for your application's use. You can compile your application with special compiler flags, defines, includes, linker flags, or libraries by setting APP_CCFLAGS, APP_CCDEFINES, APP_CCINCLUDES, APP_CCLDFLAGS, or APP_CCLDLIBS in your Imakefile. You can make your application depend on libraries by setting APP_CCDEPLIBS. You can cause your application to be linked with InterViews libraries bu using one and only one of the macros Use_libInterViews(), Use_libUnidraw(), and Use_libgraphic(). Both libUnidraw and libgraphic depend on libInterViews so saying Use_libUnidraw() or Use_libgraphic() makes saying Use_libInterViews() unnecessary. You cannot say both Use_libUnidraw() and Use_libgraphic() because libUnidraw and libgraphic conflict with each other. All of these macros also add -lXext -lX11 -lm to CCLDLIBS for you. If your application uses classes from the "old" InterViews 2.6, Unidraw, or graphic libraries, you should use the macro Use_2_6() as well as one of the macros Use_libInterViews(), Use_libUnidraw(), or Use_libgraphic(). Many 3.1 classes have the same names as 2.6 classes so the shorter names are reserved for the 3.1 classes and the 2.6 classes' names are prefixed with "iv2_6_". The macro Use_2_6() allows you to use the classes' shorter 2.6 names instead of their real names and their shorter include paths (<InterViews/*.h>) instead of their real include paths (<IV-2_6/InterViews/*.h>. If you want to use both 3.1 and 2.6 classes in the same application, you will need to omit Use_2_6() and use the 2.6 classes' real names and include paths. You can use the macro ComplexProgramTarget(dest) to build a program. The parameter specifies the name you want the program to have after it's installed. The make variable $(AOUT), which defaults to "a.out," specifies the name the program will have when it's built. The make variable $(OBJS), which defaults to "*.o," specifies the list of object code files which must be linked together. You don't have to define either $(AOUT) or $(OBJS) in the Imakefile because the generated Makefile will assign default values to them. You don't have to define the list of object files in $(OBJS) because the Imakefile will generate dependencies between the program and its object code files of the form a.out: $(CC) $(OBJS) a.out: a.o a.out: b.o a.out: c.o which is equivalent to the traditional form a.out: a.o b.o c.o $(CC) $(OBJS) You will define these dependencies automatically when you use the macros MakeObjectFromSrc(file) and MakeObjectFromSrcFlags(file, flags) for each source file in the program. Each source file must have its own rule (hence the macro) because the implicit make rule cannot compile source files which are not in the current directory. However, you won't have to specify the name of the source file again in any other place in the Imakefile. You should surround the Imakefile with the following lines, #ifdef InObjectCodeDir <contents> #else MakeInObjectCodeDir() #endif so that saying "make Makefiles" will create a subdirectory in which to put the object code files. You do not have to use these lines, but if you do not you will not be able to build optimized, debuggable, and non-shared object code files alongside of each other in separate subdirectories. You also will not be able to build object code files for different machine architectures alongside of each other in separate subdirectories. On the SPARCstation, such object code directories will have the names SUN4, SUN4.debug, and SUN4.noshared (the latter two will be created only if you use a special make command, see below). After you finish writing your Imakefile, saying "ivmkmf" will generate the corresponding Makefile. Then you can say "make Makefiles; make depend; make all" to build your program. If you make a new change to the Imakefile, all you have to do is to say "make Makefile"---you don't have to use "ivmkmf" again. Saying "make Makefiles.debug" and/or "make Makefiles.noshared" will create the special object code subdirectories and saying "make depend.debug", "make depend.noshared", "make all.debug", or "make all.noshared" will build in them just like the normal subdirectories. Note that the Makefile will provide the "make *.noshared" targets only if you're on a computer which has shared libraries (currently we support only SunOS shared libraries). If you write a Makefile by hand instead of writing an Imakefile, you'll have to specify everything that make needs to know. For example, you'll have to specify the -I and -L flags needed to use the InterViews includes and libraries when compiling your application. You'll also have to specify any extra flags that your system may need even though you may have to change them when building on a different system (when you use an Imakefile, the platform-specific X11 .cf file specifies these flags for you so they don't have to be in the Imakefile).