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- 1. Get a C++ compiler. The C++ source files use a suffix of `.cc', so
- your C++ compiler must be able to handle this. If you don't already
- have a C++ compiler, I suggest gcc 2.5.8 or later (gcc version 2
- includes GNU C++ as well as GNU C). From gcc 2.5, it is no longer
- necessary to install libg++: the C++ header files needed by groff are
- created by the gcc installation process.
-
- 2. In the directory that this file is in, type `./configure'. If
- you're using `csh' on an old version of System V, you might need to
- type `sh configure' instead to prevent `csh' from trying to execute
- `configure' itself.
-
- The `configure' shell script attempts to guess correct values for
- various system-dependent variables used during compilation, and
- creates the Makefile. It also creates a file `config.status' that you
- can run in the future to recreate the current configuration.
-
- Running `configure' takes a minute or two. While it is running, it
- prints some messages that tell what it is doing. It also performs
- some checks on your C++ compiler. If these checks fail, it will print
- a message and exit. In this case, you should correct the problems
- with your C++ compiler and then rerun configure.
-
- To compile the package in a different directory from the one
- containing the source code, you must use GNU make (or a version of
- make that supports VPATH in the same way as GNU make). `cd' to the
- directory where you want the object files and executables to go and
- run `configure'. `configure' automatically checks for the source code
- in the directory that `configure' is in and in `..'. If for some
- reason `configure' is not in the source code directory that you are
- configuring, then it will report that it can't find the source code.
- In that case, run `configure' with the option `--srcdir=DIR', where
- DIR is the directory that contains the source code.
-
- By default, `make install' will install the package's files in
- /usr/local/bin, /usr/local/lib/groff, and /usr/local/man. You can
- specify an installation prefix other than /usr/local by giving
- `configure' the option `--prefix=PATH'. Alternately, you can do so by
- changing the `prefix' variable in the Makefile that `configure'
- creates.
-
- You can specify separate installation prefixes for
- architecture-specific files and architecture-independent files. If
- you give `configure' the option `--exec_prefix=PATH', the package will
- use PATH as the prefix for installing programs and libraries. Data
- files and documentation will still use the regular prefix. Normally,
- all files are installed using the regular prefix.
-
- You can tell `configure' to figure out the configuration for your
- system, and record it in `config.status', without actually configuring
- the package (creating `Makefile's and perhaps a configuration header
- file). To do this, give `configure' the `--no-create' option. Later,
- you can run `./config.status' to actually configure the package. This
- option is useful mainly in `Makefile' rules for updating `config.status'
- and `Makefile'. You can also give `config.status' the `--recheck'
- option, which makes it re-run `configure' with the same arguments you
- used before. This is useful if you change `configure'.
-
- `configure' ignores any other arguments that you give it.
-
- If your system requires unusual options for compilation or linking
- that `configure' doesn't know about, you can give `configure' initial
- values for some variables by setting them in the environment. In
- Bourne-compatible shells, you can do that on the command line like
- this:
- CC='gcc -traditional' DEFS=-D_POSIX_SOURCE ./configure
-
- The `make' variables that you might want to override with environment
- variables when running `configure' are:
-
- (For these variables, any value given in the environment overrides the
- value that `configure' would choose:)
- CC C compiler program.
- Default is `cc', or `gcc' if `gcc' is in your PATH.
- CCC C++ compiler program (for .cc files).
- By default, configure will look for gcc version 2, g++,
- and then CC.
- INSTALL Program to use to install files.
- Default is `install' if you have it, `cp' otherwise.
- PAGE This should be `A4' if your PostScript printer uses
- A4 paper and `letter' if your printer uses 8.5x11in
- paper.
-
- (For these variables, any value given in the environment is added to
- the value that `configure' chooses:)
- DEFS Configuration options, in the form `-Dfoo -Dbar ...'
- LIBS Libraries to link with, in the form `-lfoo -lbar ...'
- CCLIBS Libraries to link C++ programs with, in the same form.
-
- If you have a library that provides a faster malloc than your system's
- usual malloc, it is good idea to include it in LIBS. For example,
- using the malloc that comes with GNU Emacs version 18 can give a
- worthwhile (and sometimes spectacular) performance improvement.
-
- If you need to do unusual things to compile the package, we encourage
- you to figure out how `configure' could check whether to do them, and
- mail diffs or instructions to the address given in the README so we
- can include them in the next release.
-
- 3. Have a look at the generated Makefile. The options you are most
- likely to want to change are near the beginning. Make sure that the
- definition of PAGE is correct.
-
- 4. Type `make'.
-
- 5. Use the test-groff script to try groff out on one of the man pages.
- (Use the .n files not the .man files.) The test-groff script sets up
- environment variables to allow groff to run without being installed.
- The current directory must be the build directory when the script is
- run. For example, you could do
-
- ./test-groff -man -Tascii groff/groff.n | less
-
- 6. If you want to install gxditview (an X11 previewer), follow the
- instructions in the INSTALL file in the xditview directory.
-
- 7. Type `make install' to install groff.
-
- 8. Try the installed version of groff on one of the man pages.
-
- If you have problems, read the PROBLEMS file. If this doesn't help
- send a bug report using the form in the file BUG-REPORT.
-