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- README for newlib-1.8.2 release
- (mostly cribbed from the README in the gdb-4.13 release)
-
-This is `newlib', a simple ANSI C library, math library, and collection
-of board support packages.
-
-The newlib and libgloss subdirectories are a collection of software from
-several sources, each with their own copyright. See the file COPYING.NEWLIB
-for details. The rest of the release tree is under either the GNU GPL or
-LPGL copyright.
-
-THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-
-
-Unpacking and Installation -- quick overview
-==========================
-
-When you unpack the newlib-1.8.2.tar.gz file, you'll find a directory
-called `newlib-1.8.2', which contains:
-
-COPYING config/ install-sh* mpw-configure
-COPYING.LIB config-ml.in libgloss/ mpw-install
-COPYING.NEWLIB config.guess* mkinstalldirs* newlib/
-CYGNUS config.sub* move-if-change* symlink-tree*
-ChangeLog configure* mpw-README texinfo/
-Makefile.in configure.in mpw-build.in
-README etc/ mpw-config.in
-
-To build NEWLIB, you can just do:
-
- cd newlib-1.8.2
- ./configure --target=<your target>
- make all install
-
-This will configure and build all the libraries and crt0 (if one exists).
-If `configure' can't determine your host system type, specify one as its
-argument, e.g., sun4 or sun4sol2. NEWLIB is most often used in cross
-environments.
-
-NOTE THAT YOU MUST HAVE ALREADY BUILT AND INSTALLED GCC and BINUTILS.
-
-
-More Documentation
-==================
-
- Newlib documentation is available on the net via:
- http://www.cygnus.com/pubs/gnupro
-
- All the documentation for NEWLIB comes as part of the machine-readable
-distribution. The documentation is written in Texinfo format, which is
-a documentation system that uses a single source file to produce both
-on-line information and a printed manual. You can use one of the Info
-formatting commands to create the on-line version of the documentation
-and TeX (or `texi2roff') to typeset the printed version.
-
- If you want to format these Info files yourself, you need one of the
-Info formatting programs, such as `texinfo-format-buffer' or `makeinfo'.
-
- If you want to typeset and print copies of this manual, you need TeX,
-a program to print its DVI output files, and `texinfo.tex', the Texinfo
-definitions file.
-
- TeX is a typesetting program; it does not print files directly, but
-produces output files called DVI files. To print a typeset document,
-you need a program to print DVI files. If your system has TeX
-installed, chances are it has such a program. The precise command to
-use depends on your system; `lpr -d' is common; another (for PostScript
-devices) is `dvips'. The DVI print command may require a file name
-without any extension or a `.dvi' extension.
-
- TeX also requires a macro definitions file called `texinfo.tex'.
-This file tells TeX how to typeset a document written in Texinfo
-format. On its own, TeX cannot read, much less typeset a Texinfo file.
-`texinfo.tex' is distributed with NEWLIB and is located in the
-`newlib-VERSION-NUMBER/texinfo' directory.
-
-
-
-Compiling NEWLIB in another directory
-=====================================
-
- If you want to run NEWLIB versions for several host or target machines,
-you need a different `newlib' compiled for each combination of host and
-target. `configure' is designed to make this easy by allowing you to
-generate each configuration in a separate subdirectory, rather than in
-the source directory. If your `make' program handles the `VPATH'
-feature correctly (like GNU `make') running `make' in each of these
-directories builds the `newlib' libraries specified there.
-
- To build `newlib' in a separate directory, run `configure' with the
-`--srcdir' option to specify where to find the source. (You also need
-to specify a path to find `configure' itself from your working
-directory. If the path to `configure' would be the same as the
-argument to `--srcdir', you can leave out the `--srcdir' option; it
-will be assumed.)
-
- For example, with version 1.8.2, you can build NEWLIB in a separate
-directory for a Sun 4 cross m68k-aout environment like this:
-
- cd newlib-1.8.2
- mkdir ../newlib-m68k-aout
- cd ../newlib-m68k-aout
- ../newlib-1.8.2/configure --host=sun4 --target=m68k-aout
- make
-
- When `configure' builds a configuration using a remote source
-directory, it creates a tree for the binaries with the same structure
-(and using the same names) as the tree under the source directory. In
-the example, you'd find the Sun 4 library `libiberty.a' in the
-directory `newlib-m68k-aout/libiberty', and NEWLIB itself in
-`newlib-m68k-aout/newlib'.
-
- When you run `make' to build a program or library, you must run it
-in a configured directory--whatever directory you were in when you
-called `configure' (or one of its subdirectories).
-
- The `Makefile' that `configure' generates in each source directory
-also runs recursively. If you type `make' in a source directory such
-as `newlib-1.8.2' (or in a separate configured directory configured with
-`--srcdir=PATH/newlib-1.8.2'), you will build all the required libraries.
-
- When you have multiple hosts or targets configured in separate
-directories, you can run `make' on them in parallel (for example, if
-they are NFS-mounted on each of the hosts); they will not interfere
-with each other.
-
-
-Specifying names for hosts and targets
-======================================
-
- The specifications used for hosts and targets in the `configure'
-script are based on a three-part naming scheme, but some short
-predefined aliases are also supported. The full naming scheme encodes
-three pieces of information in the following pattern:
-
- ARCHITECTURE-VENDOR-OS
-
- For example, you can use the alias `sun4' as a HOST argument or in a
-`--target=TARGET' option. The equivalent full name is
-`sparc-sun-sunos4'.
-
- The `configure' script accompanying NEWLIB does not provide any query
-facility to list all supported host and target names or aliases.
-`configure' calls the Bourne shell script `config.sub' to map
-abbreviations to full names; you can read the script, if you wish, or
-you can use it to test your guesses on abbreviations--for example:
-
- % sh config.sub sun4
- sparc-sun-sunos4.1.1
- % sh config.sub sun3
- m68k-sun-sunos4.1.1
- % sh config.sub decstation
- mips-dec-ultrix4.2
- % sh config.sub hp300bsd
- m68k-hp-bsd
- % sh config.sub i386v
- i386-pc-sysv
- % sh config.sub i786v
- Invalid configuration `i786v': machine `i786v' not recognized
-
-
-`configure' options
-===================
-
- Here is a summary of the `configure' options and arguments that are
-most often useful for building NEWLIB. `configure' also has several other
-options not listed here.
-
- configure [--help]
- [--prefix=DIR]
- [--srcdir=PATH]
- [--target=TARGET] HOST
-
-You may introduce options with a single `-' rather than `--' if you
-prefer; but you may abbreviate option names if you use `--'.
-
-`--help'
- Display a quick summary of how to invoke `configure'.
-
-`--prefix=DIR'
- Configure the source to install programs and files in directory
- `DIR'.
-
-`--exec-prefix=DIR'
- Configure the source to install host-dependent files in directory
- `DIR'.
-
-`--srcdir=PATH'
- *Warning: using this option requires GNU `make', or another `make'
- that compatibly implements the `VPATH' feature.
- Use this option to make configurations in directories separate
- from the NEWLIB source directories. Among other things, you can use
- this to build (or maintain) several configurations simultaneously,
- in separate directories. `configure' writes configuration
- specific files in the current directory, but arranges for them to
- use the source in the directory PATH. `configure' will create
- directories under the working directory in parallel to the source
- directories below PATH.
-
-`--norecursion'
- Configure only the directory level where `configure' is executed;
- do not propagate configuration to subdirectories.
-
-`--target=TARGET'
- Configure NEWLIB for running on the specified TARGET.
-
- There is no convenient way to generate a list of all available
- targets.
-
-`HOST ...'
- Configure NEWLIB to be built using a cross compiler running on
- the specified HOST.
-
- There is no convenient way to generate a list of all available
- hosts.
-
-
-Reporting Bugs
-==============
-
-The correct address for reporting bugs found in NEWLIB is
-"newlib@sourceware.cygnus.com". Please email all bug reports to that
-address. Please include the NEWLIB version number (e.g., newlib-1.8.2),
-and how you configured it (e.g., "sun4 host and m68k-aout target").
-Since NEWLIB supports many different configurations, it is important
-that you be precise about this.
-
-Archives of the newlib mailing list are on-line, see
- http://sourceware.cygnus.com/ml/newlib/