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INSTALL
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INSTALL
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$Id: INSTALL,v 3.1.0.0 1996/10/30 23:41:58 hzoli Exp $
Check MACHINES File
-------------------
Check the file MACHINES in the subdirectory Etc to see the architectures
that zsh is known to compile on, as well as any special instructions
for your particular architecture. Most architectures will not require any
special instructions.
Configuring Zsh
---------------
To configure zsh, from the top level directory, do the command:
./configure
Configure accepts several options (explained below). To display
currently available options, do the command:
./configure --help
Most of the interesting configuration options can be added after running
configure by editing the user configuration section of config.h and the
top level Makefile.
Compiler Options or Using a Different Compiler
----------------------------------------------
By default, configure will use the "gcc" compiler if found. You can use a
different compiler, or add unusual options for compiling or linking that
the "configure" script does not know about, by either editing the user
configuration section of the top level Makefile (after running configure)
or giving "configure" initial values for these variables by setting them
in the environment. Using a Bourne-compatible shell (such as sh,ksh,zsh),
you can do that on the command line like this:
CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
Or on systems that have the "env" program, you can do it like this:
env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
Check Generated Files
---------------------
Configure will probe your system and create a "config.h" header file.
You should check the user configuration section at the beginning of
this include file. You should also examine the values (determined by
configure) of HOSTTYPE, OSTYPE, MACHTYPE, and VENDOR to make sure they
are correct. The value of these #defines's is used only to initialize
the corresponding default shell parameters. Since these shell parameters
are only for informational purposes, you can change them to whatever
you feel is appropriate.
Also configure will create a Makefile in the top level directory as well
as in the various subdirectories. You should check the user configuration
section of the top level Makefile.
Compiling Zsh
-------------
After configuring, to build zsh, do the command:
make
Installing Zsh
--------------
If no make/compilation errors occur, then to install the zsh binary, do
the command:
make install.bin
Any previous copy of zsh will be renamed "zsh.old"
To install the zsh man page, do the command:
make install.man
To install the zsh info files, do the command:
make install.info
Or alternatively, you can install all the above with the command:
make install
"make install.info" will only move the info files into the info directory.
You will have to edit the topmost node of the info tree "dir" manually
in order to have the zsh info files available to your info reader.
Building Zsh On Additional Architectures
----------------------------------------
To build zsh on additional architectures, you can do a "make distclean".
This should restore the zsh source distribution back to its original
state. You can then configure zsh as above on other architectures in
which you wish to build zsh. Or alternatively, you can use a different
build directory for each architecture.
Using A Different Build Directory
---------------------------------
You can compile the zsh in a different directory from the one containing
the source code. Doing so allows you to compile it on more than one
architecture at the same time. To do this, you must use a version of
"make" that supports the "VPATH" variable, such as GNU "make". "cd" to
the directory where you want the object files and executables to go and
run the "configure" script. "configure" automatically checks for the
source code in the directory that "configure" is in. For example,
cd /usr/local/SunOS/zsh
/usr/local/src/zsh-3.0/configure
make
Memory Routines
---------------
Included in this release are alternate malloc and associated functions
which reduce memory usage on some systems. To use these, add the option
--enable-zsh-mem
when invoking "configure".
You should check Etc/MACHINES to see if there are specific recommendations
about using the zsh malloc routines on your particular architecture.
Debugging Routines
------------------
You can turn on various debugging options when invoking "configure".
To turn on some extra checking in the memory management routines, you
can use the following options when invoking "configure".
--enable-zsh-mem-warning # turn on warnings of memory allocation errors
--enable-zsh-secure-free # turn on memory checking of free()
If you are using zsh's memory allocation routines (--enable-zsh-mem), you
can turn on debugging of this code. This enables the builtin "mem".
--enable-zsh-mem-debug # debug zsh's memory allocators
You can turn on some debugging information of zsh's internal hash tables.
This enables the builtin "hashinfo".
--enable-zsh-hash-debug # turn on debugging of internal hash tables
To add some sanity checks and generate debugging information for debuggers
you can use the following option. This also disables optimization.
--enable-zsh-debug # use it if you want to debug zsh
Startup/shutdown files
----------------------
Zsh has several startup/shutdown files which are in /etc by default. This
can be overriden using one of the options below when invoking "configure".
--enable-etcdir=directory # default directory for global zsh scripts
--enable-zshenv=pathname # the full pathname of the global zshenv script
--enable-zshrc=pathname # the full pathname of the global zshrc script
--enable-zlogin=pathname # the full pathname of the global zlogin script
--enable-zprofile=pathname # the full pathname of the global zprofile script
--enable-zlogout=pathname # the full pathname of the global zlogout script
Any startup/shutdown script can be disabled by giving the
--disable-scriptname option to "configure". The --disable-etcdir option
disables all startup/shutdown files which are not explicitely enabled.
Options For Configure
---------------------
The `configure' program accepts many options, not all of which are useful
or relevant to zsh. To get the complete list of configure options, run
"./configure --help". The following list should contain most of the
options of interest for configuring zsh.
Configuration:
--cache-file=FILE # cache test results in FILE
--help # print a help message
--version # print the version of autoconf that create configure
--quiet, --silent # do not print `checking...' messages
--no-create # do not create output files
Directories:
--prefix=PREFIX # install host independent files in PREFIX [/usr/local]
--exec-prefix=EPREFIX # install host dependent files in EPREFIX [same as prefix]
--bindir=DIR # install user executables in DIR [EPREFIX/bin]
--infodir=DIR # install info documentation in DIR [PREFIX/info]
--mandir=DIR # install man documentation in DIR [PREFIX/man]
--srcdir=DIR # find the sources in DIR [configure dir or ..]
Features:
--enable-FEATURE # enable use of this feature
--disable-FEATURE # disable use of this feature
The FEATURES currently supported are:
zsh-debug # use it if you want to debug zsh
zsh-mem # use zsh's memory allocators
zsh-mem-debug # debug zsh's memory allocators
zsh-mem-warning # turn on warnings of memory allocation errors
zsh-secure-free # turn on memory checking of free()
zsh-hash-debug # turn on debugging of internal hash tables
etcdir=directory # default directory for global zsh scripts
zshenv=pathname # the full pathname of the global zshenv script
zshrc=pathname # the full pathname of the global zshrc script
zlogin=pathname # the full pathname of the global zlogin script
zprofile=pathname # the full pathname of the global zprofile script
zlogout=pathname # the full pathname of the global zlogout script