Bash-4.4 distribution sources and documentation
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442
INSTALL
442
INSTALL
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@ -5,37 +5,37 @@ These are installation instructions for Bash.
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The simplest way to compile Bash is:
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1. `cd' to the directory containing the source code and type
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`./configure' to configure Bash for your system. If you're using
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`csh' on an old version of System V, you might need to type `sh
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./configure' instead to prevent `csh' from trying to execute
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`configure' itself.
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1. 'cd' to the directory containing the source code and type
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'./configure' to configure Bash for your system. If you're using
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'csh' on an old version of System V, you might need to type 'sh
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./configure' instead to prevent 'csh' from trying to execute
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'configure' itself.
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Running `configure' takes some time. While running, it prints
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Running 'configure' takes some time. While running, it prints
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messages telling which features it is checking for.
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2. Type `make' to compile Bash and build the `bashbug' bug reporting
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2. Type 'make' to compile Bash and build the 'bashbug' bug reporting
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script.
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3. Optionally, type `make tests' to run the Bash test suite.
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3. Optionally, type 'make tests' to run the Bash test suite.
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4. Type `make install' to install `bash' and `bashbug'. This will
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4. Type 'make install' to install 'bash' and 'bashbug'. This will
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also install the manual pages and Info file.
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The `configure' shell script attempts to guess correct values for
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The 'configure' shell script attempts to guess correct values for
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various system-dependent variables used during compilation. It uses
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those values to create a `Makefile' in each directory of the package
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(the top directory, the `builtins', `doc', and `support' directories,
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each directory under `lib', and several others). It also creates a
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`config.h' file containing system-dependent definitions. Finally, it
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creates a shell script named `config.status' that you can run in the
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future to recreate the current configuration, a file `config.cache'
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that saves the results of its tests to speed up reconfiguring, and a
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file `config.log' containing compiler output (useful mainly for
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debugging `configure'). If at some point `config.cache' contains
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results you don't want to keep, you may remove or edit it.
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those values to create a 'Makefile' in each directory of the package
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(the top directory, the 'builtins', 'doc', and 'support' directories,
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each directory under 'lib', and several others). It also creates a
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'config.h' file containing system-dependent definitions. Finally, it
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creates a shell script named 'config.status' that you can run in the
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future to recreate the current configuration, a file 'config.cache' that
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saves the results of its tests to speed up reconfiguring, and a file
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'config.log' containing compiler output (useful mainly for debugging
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'configure'). If at some point 'config.cache' contains results you
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don't want to keep, you may remove or edit it.
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To find out more about the options and arguments that the `configure'
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To find out more about the options and arguments that the 'configure'
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script understands, type
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bash-2.04$ ./configure --help
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@ -43,379 +43,397 @@ script understands, type
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at the Bash prompt in your Bash source directory.
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If you need to do unusual things to compile Bash, please try to figure
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out how `configure' could check whether or not to do them, and mail
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out how 'configure' could check whether or not to do them, and mail
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diffs or instructions to <bash-maintainers@gnu.org> so they can be
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considered for the next release.
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The file `configure.ac' is used to create `configure' by a program
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called Autoconf. You only need `configure.ac' if you want to change it
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or regenerate `configure' using a newer version of Autoconf. If you do
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The file 'configure.ac' is used to create 'configure' by a program
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called Autoconf. You only need 'configure.ac' if you want to change it
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or regenerate 'configure' using a newer version of Autoconf. If you do
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this, make sure you are using Autoconf version 2.50 or newer.
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You can remove the program binaries and object files from the source
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code directory by typing `make clean'. To also remove the files that
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`configure' created (so you can compile Bash for a different kind of
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computer), type `make distclean'.
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code directory by typing 'make clean'. To also remove the files that
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'configure' created (so you can compile Bash for a different kind of
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computer), type 'make distclean'.
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Next: Compiling For Multiple Architectures, Prev: Basic Installation, Up: Installing Bash
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Compilers and Options
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=====================
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Some systems require unusual options for compilation or linking that
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the `configure' script does not know about. You can give `configure'
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Some systems require unusual options for compilation or linking that the
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'configure' script does not know about. You can give 'configure'
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initial values for variables by setting them in the environment. Using
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a Bourne-compatible shell, you can do that on the command line like
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this:
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CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
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On systems that have the `env' program, you can do it like this:
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On systems that have the 'env' program, you can do it like this:
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env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
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The configuration process uses GCC to build Bash if it is available.
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Next: Installation Names, Prev: Compilers and Options, Up: Installing Bash
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Compiling For Multiple Architectures
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====================================
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You can compile Bash for more than one kind of computer at the same
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time, by placing the object files for each architecture in their own
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directory. To do this, you must use a version of `make' that supports
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the `VPATH' variable, such as GNU `make'. `cd' to the directory where
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you want the object files and executables to go and run the `configure'
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directory. To do this, you must use a version of 'make' that supports
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the 'VPATH' variable, such as GNU 'make'. 'cd' to the directory where
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you want the object files and executables to go and run the 'configure'
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script from the source directory. You may need to supply the
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`--srcdir=PATH' argument to tell `configure' where the source files
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are. `configure' automatically checks for the source code in the
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directory that `configure' is in and in `..'.
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'--srcdir=PATH' argument to tell 'configure' where the source files are.
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'configure' automatically checks for the source code in the directory
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that 'configure' is in and in '..'.
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If you have to use a `make' that does not supports the `VPATH'
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variable, you can compile Bash for one architecture at a time in the
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source code directory. After you have installed Bash for one
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architecture, use `make distclean' before reconfiguring for another
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architecture.
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If you have to use a 'make' that does not supports the 'VPATH' variable,
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you can compile Bash for one architecture at a time in the source code
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directory. After you have installed Bash for one architecture, use
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'make distclean' before reconfiguring for another architecture.
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Alternatively, if your system supports symbolic links, you can use the
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`support/mkclone' script to create a build tree which has symbolic
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links back to each file in the source directory. Here's an example
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that creates a build directory in the current directory from a source
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directory `/usr/gnu/src/bash-2.0':
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'support/mkclone' script to create a build tree which has symbolic links
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back to each file in the source directory. Here's an example that
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creates a build directory in the current directory from a source
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directory '/usr/gnu/src/bash-2.0':
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bash /usr/gnu/src/bash-2.0/support/mkclone -s /usr/gnu/src/bash-2.0 .
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The `mkclone' script requires Bash, so you must have already built Bash
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The 'mkclone' script requires Bash, so you must have already built Bash
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for at least one architecture before you can create build directories
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for other architectures.
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Next: Specifying the System Type, Prev: Compiling For Multiple Architectures, Up: Installing Bash
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Installation Names
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==================
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By default, `make install' will install into `/usr/local/bin',
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`/usr/local/man', etc. You can specify an installation prefix other
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than `/usr/local' by giving `configure' the option `--prefix=PATH', or
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by specifying a value for the `DESTDIR' `make' variable when running
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`make install'.
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By default, 'make install' will install into '/usr/local/bin',
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'/usr/local/man', etc. You can specify an installation prefix other
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than '/usr/local' by giving 'configure' the option '--prefix=PATH', or
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by specifying a value for the 'DESTDIR' 'make' variable when running
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'make install'.
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You can specify separate installation prefixes for
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architecture-specific files and architecture-independent files. If you
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give `configure' the option `--exec-prefix=PATH', `make install' will
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use PATH as the prefix for installing programs and libraries.
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Documentation and other data files will still use the regular prefix.
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You can specify separate installation prefixes for architecture-specific
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files and architecture-independent files. If you give 'configure' the
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option '--exec-prefix=PATH', 'make install' will use PATH as the prefix
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for installing programs and libraries. Documentation and other data
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files will still use the regular prefix.
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Next: Sharing Defaults, Prev: Installation Names, Up: Installing Bash
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Specifying the System Type
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==========================
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There may be some features `configure' can not figure out
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automatically, but need to determine by the type of host Bash will run
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on. Usually `configure' can figure that out, but if it prints a
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message saying it can not guess the host type, give it the
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`--host=TYPE' option. `TYPE' can either be a short name for the system
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type, such as `sun4', or a canonical name with three fields:
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`CPU-COMPANY-SYSTEM' (e.g., `i386-unknown-freebsd4.2').
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There may be some features 'configure' can not figure out automatically,
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but need to determine by the type of host Bash will run on. Usually
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'configure' can figure that out, but if it prints a message saying it
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can not guess the host type, give it the '--host=TYPE' option. 'TYPE'
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can either be a short name for the system type, such as 'sun4', or a
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canonical name with three fields: 'CPU-COMPANY-SYSTEM' (e.g.,
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'i386-unknown-freebsd4.2').
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See the file `support/config.sub' for the possible values of each field.
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See the file 'support/config.sub' for the possible values of each field.
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Next: Operation Controls, Prev: Specifying the System Type, Up: Installing Bash
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Sharing Defaults
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================
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If you want to set default values for `configure' scripts to share, you
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can create a site shell script called `config.site' that gives default
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values for variables like `CC', `cache_file', and `prefix'. `configure'
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looks for `PREFIX/share/config.site' if it exists, then
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`PREFIX/etc/config.site' if it exists. Or, you can set the
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`CONFIG_SITE' environment variable to the location of the site script.
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A warning: the Bash `configure' looks for a site script, but not all
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`configure' scripts do.
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If you want to set default values for 'configure' scripts to share, you
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can create a site shell script called 'config.site' that gives default
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values for variables like 'CC', 'cache_file', and 'prefix'. 'configure'
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looks for 'PREFIX/share/config.site' if it exists, then
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'PREFIX/etc/config.site' if it exists. Or, you can set the
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'CONFIG_SITE' environment variable to the location of the site script.
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A warning: the Bash 'configure' looks for a site script, but not all
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'configure' scripts do.
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Next: Optional Features, Prev: Sharing Defaults, Up: Installing Bash
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Operation Controls
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==================
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`configure' recognizes the following options to control how it operates.
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'configure' recognizes the following options to control how it operates.
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`--cache-file=FILE'
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'--cache-file=FILE'
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Use and save the results of the tests in FILE instead of
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`./config.cache'. Set FILE to `/dev/null' to disable caching, for
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debugging `configure'.
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'./config.cache'. Set FILE to '/dev/null' to disable caching, for
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debugging 'configure'.
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`--help'
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Print a summary of the options to `configure', and exit.
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'--help'
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Print a summary of the options to 'configure', and exit.
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`--quiet'
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`--silent'
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`-q'
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'--quiet'
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'--silent'
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'-q'
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Do not print messages saying which checks are being made.
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`--srcdir=DIR'
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'--srcdir=DIR'
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Look for the Bash source code in directory DIR. Usually
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`configure' can determine that directory automatically.
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'configure' can determine that directory automatically.
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`--version'
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Print the version of Autoconf used to generate the `configure'
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'--version'
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Print the version of Autoconf used to generate the 'configure'
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script, and exit.
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`configure' also accepts some other, not widely used, boilerplate
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options. `configure --help' prints the complete list.
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'configure' also accepts some other, not widely used, boilerplate
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options. 'configure --help' prints the complete list.
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Prev: Operation Controls, Up: Installing Bash
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Optional Features
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=================
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The Bash `configure' has a number of `--enable-FEATURE' options, where
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The Bash 'configure' has a number of '--enable-FEATURE' options, where
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FEATURE indicates an optional part of Bash. There are also several
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`--with-PACKAGE' options, where PACKAGE is something like `bash-malloc'
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or `purify'. To turn off the default use of a package, use
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`--without-PACKAGE'. To configure Bash without a feature that is
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enabled by default, use `--disable-FEATURE'.
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'--with-PACKAGE' options, where PACKAGE is something like 'bash-malloc'
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or 'purify'. To turn off the default use of a package, use
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'--without-PACKAGE'. To configure Bash without a feature that is
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enabled by default, use '--disable-FEATURE'.
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Here is a complete list of the `--enable-' and `--with-' options that
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the Bash `configure' recognizes.
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Here is a complete list of the '--enable-' and '--with-' options that
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the Bash 'configure' recognizes.
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`--with-afs'
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'--with-afs'
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Define if you are using the Andrew File System from Transarc.
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`--with-bash-malloc'
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Use the Bash version of `malloc' in the directory `lib/malloc'.
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This is not the same `malloc' that appears in GNU libc, but an
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older version originally derived from the 4.2 BSD `malloc'. This
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`malloc' is very fast, but wastes some space on each allocation.
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This option is enabled by default. The `NOTES' file contains a
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'--with-bash-malloc'
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Use the Bash version of 'malloc' in the directory 'lib/malloc'.
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This is not the same 'malloc' that appears in GNU libc, but an
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older version originally derived from the 4.2 BSD 'malloc'. This
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'malloc' is very fast, but wastes some space on each allocation.
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This option is enabled by default. The 'NOTES' file contains a
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list of systems for which this should be turned off, and
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`configure' disables this option automatically for a number of
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'configure' disables this option automatically for a number of
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systems.
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`--with-curses'
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'--with-curses'
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Use the curses library instead of the termcap library. This should
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be supplied if your system has an inadequate or incomplete termcap
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database.
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`--with-gnu-malloc'
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A synonym for `--with-bash-malloc'.
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'--with-gnu-malloc'
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A synonym for '--with-bash-malloc'.
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`--with-installed-readline[=PREFIX]'
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'--with-installed-readline[=PREFIX]'
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Define this to make Bash link with a locally-installed version of
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Readline rather than the version in `lib/readline'. This works
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only with Readline 5.0 and later versions. If PREFIX is `yes' or
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not supplied, `configure' uses the values of the make variables
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`includedir' and `libdir', which are subdirectories of `prefix' by
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Readline rather than the version in 'lib/readline'. This works
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only with Readline 5.0 and later versions. If PREFIX is 'yes' or
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not supplied, 'configure' uses the values of the make variables
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'includedir' and 'libdir', which are subdirectories of 'prefix' by
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default, to find the installed version of Readline if it is not in
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the standard system include and library directories. If PREFIX is
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`no', Bash links with the version in `lib/readline'. If PREFIX is
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set to any other value, `configure' treats it as a directory
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'no', Bash links with the version in 'lib/readline'. If PREFIX is
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set to any other value, 'configure' treats it as a directory
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pathname and looks for the installed version of Readline in
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subdirectories of that directory (include files in
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PREFIX/`include' and the library in PREFIX/`lib').
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subdirectories of that directory (include files in PREFIX/'include'
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and the library in PREFIX/'lib').
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`--with-purify'
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'--with-purify'
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Define this to use the Purify memory allocation checker from
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Rational Software.
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`--enable-minimal-config'
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'--enable-minimal-config'
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This produces a shell with minimal features, close to the
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historical Bourne shell.
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There are several `--enable-' options that alter how Bash is compiled
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There are several '--enable-' options that alter how Bash is compiled
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and linked, rather than changing run-time features.
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`--enable-largefile'
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'--enable-largefile'
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Enable support for large files
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(http://www.sas.com/standards/large_file/x_open.20Mar96.html) if
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the operating system requires special compiler options to build
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programs which can access large files. This is enabled by
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default, if the operating system provides large file support.
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programs which can access large files. This is enabled by default,
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if the operating system provides large file support.
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`--enable-profiling'
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'--enable-profiling'
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This builds a Bash binary that produces profiling information to be
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processed by `gprof' each time it is executed.
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processed by 'gprof' each time it is executed.
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`--enable-static-link'
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This causes Bash to be linked statically, if `gcc' is being used.
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'--enable-static-link'
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This causes Bash to be linked statically, if 'gcc' is being used.
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This could be used to build a version to use as root's shell.
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The `minimal-config' option can be used to disable all of the following
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options, but it is processed first, so individual options may be
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enabled using `enable-FEATURE'.
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The 'minimal-config' option can be used to disable all of the following
|
||||
options, but it is processed first, so individual options may be enabled
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using 'enable-FEATURE'.
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All of the following options except for `disabled-builtins',
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`directpand-default', and `xpg-echo-default' are enabled by default,
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All of the following options except for 'disabled-builtins',
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||||
'direxpand-default', and 'xpg-echo-default' are enabled by default,
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unless the operating system does not provide the necessary support.
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|
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`--enable-alias'
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||||
Allow alias expansion and include the `alias' and `unalias'
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'--enable-alias'
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||||
Allow alias expansion and include the 'alias' and 'unalias'
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builtins (*note Aliases::).
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||||
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||||
`--enable-arith-for-command'
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||||
Include support for the alternate form of the `for' command that
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||||
behaves like the C language `for' statement (*note Looping
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'--enable-arith-for-command'
|
||||
Include support for the alternate form of the 'for' command that
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||||
behaves like the C language 'for' statement (*note Looping
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Constructs::).
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`--enable-array-variables'
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'--enable-array-variables'
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||||
Include support for one-dimensional array shell variables (*note
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||||
Arrays::).
|
||||
|
||||
`--enable-bang-history'
|
||||
Include support for `csh'-like history substitution (*note History
|
||||
'--enable-bang-history'
|
||||
Include support for 'csh'-like history substitution (*note History
|
||||
Interaction::).
|
||||
|
||||
`--enable-brace-expansion'
|
||||
Include `csh'-like brace expansion ( `b{a,b}c' ==> `bac bbc' ).
|
||||
'--enable-brace-expansion'
|
||||
Include 'csh'-like brace expansion ( 'b{a,b}c' ==> 'bac bbc' ).
|
||||
See *note Brace Expansion::, for a complete description.
|
||||
|
||||
`--enable-casemod-attributes'
|
||||
Include support for case-modifying attributes in the `declare'
|
||||
'--enable-casemod-attributes'
|
||||
Include support for case-modifying attributes in the 'declare'
|
||||
builtin and assignment statements. Variables with the UPPERCASE
|
||||
attribute, for example, will have their values converted to
|
||||
uppercase upon assignment.
|
||||
|
||||
`--enable-casemod-expansion'
|
||||
'--enable-casemod-expansion'
|
||||
Include support for case-modifying word expansions.
|
||||
|
||||
`--enable-command-timing'
|
||||
Include support for recognizing `time' as a reserved word and for
|
||||
displaying timing statistics for the pipeline following `time'
|
||||
'--enable-command-timing'
|
||||
Include support for recognizing 'time' as a reserved word and for
|
||||
displaying timing statistics for the pipeline following 'time'
|
||||
(*note Pipelines::). This allows pipelines as well as shell
|
||||
builtins and functions to be timed.
|
||||
|
||||
`--enable-cond-command'
|
||||
Include support for the `[[' conditional command. (*note
|
||||
'--enable-cond-command'
|
||||
Include support for the '[[' conditional command. (*note
|
||||
Conditional Constructs::).
|
||||
|
||||
`--enable-cond-regexp'
|
||||
'--enable-cond-regexp'
|
||||
Include support for matching POSIX regular expressions using the
|
||||
`=~' binary operator in the `[[' conditional command. (*note
|
||||
'=~' binary operator in the '[[' conditional command. (*note
|
||||
Conditional Constructs::).
|
||||
|
||||
`--enable-coprocesses'
|
||||
Include support for coprocesses and the `coproc' reserved word
|
||||
'--enable-coprocesses'
|
||||
Include support for coprocesses and the 'coproc' reserved word
|
||||
(*note Pipelines::).
|
||||
|
||||
`--enable-debugger'
|
||||
'--enable-debugger'
|
||||
Include support for the bash debugger (distributed separately).
|
||||
|
||||
`--enable-direxpand-default'
|
||||
Cause the `direxpand' shell option (*note The Shopt Builtin::) to
|
||||
'--enable-direxpand-default'
|
||||
Cause the 'direxpand' shell option (*note The Shopt Builtin::) to
|
||||
be enabled by default when the shell starts. It is normally
|
||||
disabled by default.
|
||||
|
||||
`--enable-directory-stack'
|
||||
Include support for a `csh'-like directory stack and the `pushd',
|
||||
`popd', and `dirs' builtins (*note The Directory Stack::).
|
||||
'--enable-directory-stack'
|
||||
Include support for a 'csh'-like directory stack and the 'pushd',
|
||||
'popd', and 'dirs' builtins (*note The Directory Stack::).
|
||||
|
||||
`--enable-disabled-builtins'
|
||||
Allow builtin commands to be invoked via `builtin xxx' even after
|
||||
`xxx' has been disabled using `enable -n xxx'. See *note Bash
|
||||
Builtins::, for details of the `builtin' and `enable' builtin
|
||||
'--enable-disabled-builtins'
|
||||
Allow builtin commands to be invoked via 'builtin xxx' even after
|
||||
'xxx' has been disabled using 'enable -n xxx'. See *note Bash
|
||||
Builtins::, for details of the 'builtin' and 'enable' builtin
|
||||
commands.
|
||||
|
||||
`--enable-dparen-arithmetic'
|
||||
Include support for the `((...))' command (*note Conditional
|
||||
'--enable-dparen-arithmetic'
|
||||
Include support for the '((...))' command (*note Conditional
|
||||
Constructs::).
|
||||
|
||||
`--enable-extended-glob'
|
||||
'--enable-extended-glob'
|
||||
Include support for the extended pattern matching features
|
||||
described above under *note Pattern Matching::.
|
||||
|
||||
`--enable-extended-glob-default'
|
||||
'--enable-extended-glob-default'
|
||||
Set the default value of the EXTGLOB shell option described above
|
||||
under *note The Shopt Builtin:: to be enabled.
|
||||
|
||||
`--enable-glob-asciirange-default'
|
||||
Set the default value of the GLOBASCIIRANGES shell option described
|
||||
above under *note The Shopt Builtin:: to be enabled. This
|
||||
controls the behavior of character ranges when used in pattern
|
||||
matching bracket expressions.
|
||||
'--enable-function-import'
|
||||
Include support for importing function definitions exported by
|
||||
another instance of the shell from the environment. This option is
|
||||
enabled by default.
|
||||
|
||||
`--enable-help-builtin'
|
||||
Include the `help' builtin, which displays help on shell builtins
|
||||
'--enable-glob-asciirange-default'
|
||||
Set the default value of the GLOBASCIIRANGES shell option described
|
||||
above under *note The Shopt Builtin:: to be enabled. This controls
|
||||
the behavior of character ranges when used in pattern matching
|
||||
bracket expressions.
|
||||
|
||||
'--enable-help-builtin'
|
||||
Include the 'help' builtin, which displays help on shell builtins
|
||||
and variables (*note Bash Builtins::).
|
||||
|
||||
`--enable-history'
|
||||
Include command history and the `fc' and `history' builtin
|
||||
commands (*note Bash History Facilities::).
|
||||
'--enable-history'
|
||||
Include command history and the 'fc' and 'history' builtin commands
|
||||
(*note Bash History Facilities::).
|
||||
|
||||
`--enable-job-control'
|
||||
This enables the job control features (*note Job Control::), if
|
||||
the operating system supports them.
|
||||
'--enable-job-control'
|
||||
This enables the job control features (*note Job Control::), if the
|
||||
operating system supports them.
|
||||
|
||||
`--enable-multibyte'
|
||||
'--enable-multibyte'
|
||||
This enables support for multibyte characters if the operating
|
||||
system provides the necessary support.
|
||||
|
||||
`--enable-net-redirections'
|
||||
'--enable-net-redirections'
|
||||
This enables the special handling of filenames of the form
|
||||
`/dev/tcp/HOST/PORT' and `/dev/udp/HOST/PORT' when used in
|
||||
'/dev/tcp/HOST/PORT' and '/dev/udp/HOST/PORT' when used in
|
||||
redirections (*note Redirections::).
|
||||
|
||||
`--enable-process-substitution'
|
||||
'--enable-process-substitution'
|
||||
This enables process substitution (*note Process Substitution::) if
|
||||
the operating system provides the necessary support.
|
||||
|
||||
`--enable-progcomp'
|
||||
'--enable-progcomp'
|
||||
Enable the programmable completion facilities (*note Programmable
|
||||
Completion::). If Readline is not enabled, this option has no
|
||||
effect.
|
||||
|
||||
`--enable-prompt-string-decoding'
|
||||
'--enable-prompt-string-decoding'
|
||||
Turn on the interpretation of a number of backslash-escaped
|
||||
characters in the `$PS1', `$PS2', `$PS3', and `$PS4' prompt
|
||||
characters in the '$PS1', '$PS2', '$PS3', and '$PS4' prompt
|
||||
strings. See *note Controlling the Prompt::, for a complete list
|
||||
of prompt string escape sequences.
|
||||
|
||||
`--enable-readline'
|
||||
'--enable-readline'
|
||||
Include support for command-line editing and history with the Bash
|
||||
version of the Readline library (*note Command Line Editing::).
|
||||
|
||||
`--enable-restricted'
|
||||
'--enable-restricted'
|
||||
Include support for a "restricted shell". If this is enabled,
|
||||
Bash, when called as `rbash', enters a restricted mode. See *note
|
||||
Bash, when called as 'rbash', enters a restricted mode. See *note
|
||||
The Restricted Shell::, for a description of restricted mode.
|
||||
|
||||
`--enable-select'
|
||||
Include the `select' compound command, which allows the generation
|
||||
'--enable-select'
|
||||
Include the 'select' compound command, which allows the generation
|
||||
of simple menus (*note Conditional Constructs::).
|
||||
|
||||
`--enable-separate-helpfiles'
|
||||
Use external files for the documentation displayed by the `help'
|
||||
'--enable-separate-helpfiles'
|
||||
Use external files for the documentation displayed by the 'help'
|
||||
builtin instead of storing the text internally.
|
||||
|
||||
`--enable-single-help-strings'
|
||||
Store the text displayed by the `help' builtin as a single string
|
||||
'--enable-single-help-strings'
|
||||
Store the text displayed by the 'help' builtin as a single string
|
||||
for each help topic. This aids in translating the text to
|
||||
different languages. You may need to disable this if your
|
||||
compiler cannot handle very long string literals.
|
||||
different languages. You may need to disable this if your compiler
|
||||
cannot handle very long string literals.
|
||||
|
||||
`--enable-strict-posix-default'
|
||||
'--enable-strict-posix-default'
|
||||
Make Bash POSIX-conformant by default (*note Bash POSIX Mode::).
|
||||
|
||||
`--enable-usg-echo-default'
|
||||
A synonym for `--enable-xpg-echo-default'.
|
||||
'--enable-usg-echo-default'
|
||||
A synonym for '--enable-xpg-echo-default'.
|
||||
|
||||
`--enable-xpg-echo-default'
|
||||
Make the `echo' builtin expand backslash-escaped characters by
|
||||
default, without requiring the `-e' option. This sets the default
|
||||
value of the `xpg_echo' shell option to `on', which makes the Bash
|
||||
`echo' behave more like the version specified in the Single Unix
|
||||
Specification, version 3. *Note Bash Builtins::, for a
|
||||
description of the escape sequences that `echo' recognizes.
|
||||
'--enable-xpg-echo-default'
|
||||
Make the 'echo' builtin expand backslash-escaped characters by
|
||||
default, without requiring the '-e' option. This sets the default
|
||||
value of the 'xpg_echo' shell option to 'on', which makes the Bash
|
||||
'echo' behave more like the version specified in the Single Unix
|
||||
Specification, version 3. *Note Bash Builtins::, for a description
|
||||
of the escape sequences that 'echo' recognizes.
|
||||
|
||||
The file `config-top.h' contains C Preprocessor `#define' statements
|
||||
for options which are not settable from `configure'. Some of these are
|
||||
not meant to be changed; beware of the consequences if you do. Read
|
||||
the comments associated with each definition for more information about
|
||||
its effect.
|
||||
The file 'config-top.h' contains C Preprocessor '#define' statements for
|
||||
options which are not settable from 'configure'. Some of these are not
|
||||
meant to be changed; beware of the consequences if you do. Read the
|
||||
comments associated with each definition for more information about its
|
||||
effect.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue