Delete libFLAC - it has't been used since October 2005

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11716 a1c6a512-1295-4272-9138-f99709370657

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-/* FLAC - Free Lossless Audio Codec
- * Copyright (C) 2001,2002,2003,2004,2005  Josh Coalson
- *
- * This file is part the FLAC project.  FLAC is comprised of several
- * components distributed under difference licenses.  The codec libraries
- * are distributed under Xiph.Org's BSD-like license (see the file
- * COPYING.Xiph in this distribution).  All other programs, libraries, and
- * plugins are distributed under the GPL (see COPYING.GPL).  The documentation
- * is distributed under the Gnu FDL (see COPYING.FDL).  Each file in the
- * FLAC distribution contains at the top the terms under which it may be
- * distributed.
- *
- * Since this particular file is relevant to all components of FLAC,
- * it may be distributed under the Xiph.Org license, which is the least
- * restrictive of those mentioned above.  See the file COPYING.Xiph in this
- * distribution.
- */
-
-
-FLAC (http://flac.sourceforge.net/) is an Open Source lossless audio
-codec developed by Josh Coalson.
-
-FLAC is comprised of
-  * `libFLAC', a library which implements reference encoders and
-    decoders, and a metadata interface
-  * `libFLAC++', a C++ object wrapper library around libFLAC
-  * `libOggFLAC' and `libOggFLAC++', which provide encoders and
-    decoders for FLAC streams in an Ogg container
-  * `flac', a command-line program for encoding and decoding files
-  * `metaflac', a command-line program for viewing and editing FLAC
-    metadata
-  * player plugins for XMMS and Winamp
-  * user and API documentation
-
-The libraries (libFLAC, libFLAC++, libOggFLAC, and libOggFLAC++) are
-licensed under Xiph.org's BSD-like license (see COPYING.Xiph).  All other
-programs and plugins are licensed under the GNU General Public License
-(see COPYING.GPL).  The documentation is licensed under the GNU Free
-Documentation License (see COPYING.FDL).
-
-
-===============================================================================
-FLAC - 1.1.2 - Contents
-===============================================================================
-
-- Introduction
-- Prerequisites
-- Building in a GNU environment
-- Building with Makefile.lite
-- Building with MSVC
-- Building on Mac OS X
-- Note to embedded developers
-
-
-===============================================================================
-Introduction
-===============================================================================
-
-This is the source release for the FLAC project.  See
-
-	doc/html/index.html
-
-for full documentation.
-
-A brief description of the directory tree:
-
-	doc/          the HTML documentation
-	flac.pbproj/  the Mac OS X Project Builder project
-	include/      public include files for libFLAC and libFLAC++
-	man/          the man page for `flac'
-	src/          the source code and private headers
-	test/         the test scripts
-
-
-===============================================================================
-Prerequisites
-===============================================================================
-
-To build FLAC with support for Ogg FLAC you must have built and installed
-libogg according to the specific instructions below.  You must have
-libogg 1.1.2 or greater, or there will be seeking problems with Ogg FLAC.
-
-If you are building on x86 and want the assembly optimizations, you will
-need to have NASM >= 0.98.30 installed according to the specific instructions
-below.
-
-
-===============================================================================
-Building in a GNU environment
-===============================================================================
-
-FLAC uses autoconf and libtool for configuring and building.
-Better documentation for these will be forthcoming, but in
-general, this should work:
-
-./configure && make && make check && make install
-
-The 'make check' step is optional; omit it to skip all the tests,
-which can take several hours and use around 70-80 megs of disk space.
-Even though it will stop with an explicit message on any failure, it
-does print out a lot of stuff so you might want to capture the output
-to a file if you're having a problem.  Also, don't run 'make check'
-as root because it confuses some of the tests.
-
-NOTE: Despite our best efforts it's entirely possible to have
-problems when using older versions of autoconf, automake, or
-libtool.  If you have the latest versions and still can't get it
-to work, see the next section on Makefile.lite.
-
-There are a few FLAC-specific arguments you can give to
-`configure':
-
---enable-debug : Builds everything with debug symbols and some
-extra (and more verbose) error checking.
-
---disable-asm-optimizations : Disables the compilation of the
-assembly routines.  Many routines have assembly versions for
-speed and `configure' is pretty good about knowing what is
-supported, but you can use this option to build only from the
-C sources.
-
---enable-sse : If you are building for an x86 CPU that supports
-SSE instructions, you can enable some of the faster routines
-if your operating system also supports SSE instructions.  flac
-can tell if the CPU supports the instructions but currently has
-no way to test if the OS does, so if it does, you must pass
-this argument to configure to use the SSE routines.  If flac
-crashes when built with this option you will have to go back and
-configure without --enable-sse.  Note that
---disable-asm-optimizations implies --disable-sse.
-
---enable-local-xmms-plugin : Installs the FLAC XMMS plugin in
-$HOME/.xmms/Plugins, instead of the global XMMS plugin area
-(usually /usr/lib/xmms/Input).
-
---with-ogg=
---with-xmms-prefix=
---with-libiconv-prefix=
-Use these if you have these packages but configure can't find them.
-
-If you want to build completely from scratch (i.e. starting with just
-configure.in and Makefile.am) you should be able to just run 'autogen.sh'
-but make sure and read the comments in that file first.
-
-
-===============================================================================
-Building with Makefile.lite
-===============================================================================
-
-There is a more lightweight build system for do-it-yourself-ers.
-It is also useful if configure isn't working, which may be the
-case since lately we've had some problems with different versions
-of automake and libtool.  The Makefile.lite system should work
-on GNU systems with few or no adjustments.
-
-From the top level just 'make -f Makefile.lite'.  You can
-specify zero or one optional target from 'release', 'debug',
-'test', or 'clean'.  The default is 'release'.  There is no
-'install' target but everything you need will end up in the
-obj/ directory.
-
-If you are not on an x86 system or you don't have nasm, you
-may have to change the DEFINES in src/libFLAC/Makefile.lite.  If
-you don't have nasm, remove -DFLAC__HAS_NASM.  If your target is
-not an x86, change -DFLAC__CPU_IA32 to -DFLAC__CPU_UNKNOWN.
-
-
-===============================================================================
-Building with MSVC
-===============================================================================
-
-There are now .dsp projects and a master FLAC.dsw workspace to build
-all the libraries and executables.
-
-Prerequisite: you must have the Ogg libraries installed as described
-later.
-
-Prerequisite: you must have nasm installed, and nasmw.exe must be in
-your PATH, or the path to nasmw.exe must be added to the list of
-directories for executable files in the MSVC global options.
-
-To build everything, run Developer Studio, do File|Open Workspace,
-and open FLAC.dsw.  Select "Build | Set active configuration..."
-from the menu, then in the dialog, select "All - Win32 Release" (or
-Debug if you prefer).  Click "Ok" then hit F7 to build. This will build
-all libraries both statically (e.g. obj\release\lib\libFLAC_static.lib)
-and as DLLs (e.g.  obj\release\bin\libFLAC.dll), and it will build all
-binaries, statically linked (e.g. obj\release\bin\flac.exe).
-
-Everything will end up in the "obj" directory.  DLLs and .exe files
-are all that are needed and can be copied to an installation area and
-added to the PATH.  The plugins have to be copied to their appropriate
-place in the player area.  For Winamp2 this is <winamp2-dir>\Plugins.
-
-By default the code is configured with Ogg support.  Before building FLAC
-you will need to get the Ogg source distribution
-(see http://xiph.org/ogg/vorbis/download/), build ogg_static.lib (load and
-build win32\ogg_static.dsp), copy ogg_static.lib into FLAC's
-'obj\release\lib' directory, and copy the entire include\ogg tree into
-FLAC's 'include' directory (so that there is an 'ogg' directory in FLAC's
-'include' directory with the files ogg.h, os_types.h and config_types.h).
-
-
-===============================================================================
-Building on Mac OS X
-===============================================================================
-
-If you have Fink, the GNU flow above should work.  Otherwise,
-there is a Project Builder project in the top-level source
-directory to build libFLAC and the command-line utilities on
-Mac OS X.  In a terminal, cd to the top-level directory (the
-one that contains this README file) and type:
-
-	pbxbuild -alltargets
-
-This will create everything and leave it in the build/ directory.
-Don't worry about the rest of the stuff that is in build/ or
-the stuff that was already there before building.
-
-The Project Builder project requires that you have libiconv and
-libogg in /sw, ala fink.  If you don't, you'll need to install
-them somewhere and change the path to them in the Library Paths
-section of several targets.
-
-It also assumes the CPU supports Altivec instructions.  If it does
-not, you will also have to add -DFLAC__NO_ASM to the CFLAGS in the
-libFLAC target.
-
-There currently is no install procedure; you will have to
-manually copy the tools to wherever you need them.
-
-
-===============================================================================
-Note to embedded developers
-===============================================================================
-
-libFLAC has grown larger over time as more functionality has been
-included, but much of it may be unnecessary for a particular embedded
-implementation.  Unused parts may be pruned by some simple editing of
-configure.in and src/libFLAC/Makefile.am; the following dependency
-graph shows which modules may be pruned without breaking things
-further down:
-
-file_encoder.h
-	stream_encoder.h
-		format.h
-
-file_decoder.h
-	seekable_stream_decoder.h
-		stream_decoder.h
-			format.h
-
-metadata.h
-	format.h
-
-There is a section dedicated to embedded use in the libFLAC API
-HTML documentation (see doc/html/api/index.html).