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+This is gpgrt.info, produced by makeinfo version 6.5 from gpgrt.texi.
+
+This manual is for Libgpg-error (version 1.42, 7 December 2018), which
+is a library for code used by all GnuPG related packages.
+
+Copyright (C) 2014 g10 Code GmbH
+
+     Permission is granted to copy, distribute and/or modify this
+     document under the terms of the GNU General Public License as
+     published by the Free Software Foundation; either version 2 of the
+     License, or (at your option) any later version.  The text of the
+     license can be found in the section entitled "GNU General Public
+     License".
+INFO-DIR-SECTION Libraries
+START-INFO-DIR-ENTRY
+* libgpg-error: (gnupg).   Error codes and common code for GnuPG.
+END-INFO-DIR-ENTRY
+
+
+File: gpgrt.info,  Node: Top,  Next: Introduction,  Up: (dir)
+
+The Libgpg-error Library
+************************
+
+This manual is for Libgpg-error (version 1.42, 7 December 2018), which
+is a library for code used by all GnuPG related packages.
+
+Copyright (C) 2014 g10 Code GmbH
+
+     Permission is granted to copy, distribute and/or modify this
+     document under the terms of the GNU General Public License as
+     published by the Free Software Foundation; either version 2 of the
+     License, or (at your option) any later version.  The text of the
+     license can be found in the section entitled "GNU General Public
+     License".
+
+* Menu:
+
+* Introduction::                 What is Libgpg-error.
+* Preparation::                  What you should do before using the library.
+* Generalities::                 General library functions and data types.
+* Tools::                        Utility tools
+
+Appendices
+
+* Library Copying::             The GNU Lesser General Public License
+                                says how you can copy and share Libgpg-error.
+* Copying::                     The GNU General Public License says how you
+                                can copy and share some parts of Libgpg-error.
+
+Indices
+
+* Concept Index::               Index of concepts and programs.
+* Function and Data Index::     Index of functions, variables and data types.
+
+
+File: gpgrt.info,  Node: Introduction,  Next: Preparation,  Prev: Top,  Up: Top
+
+1 Introduction
+**************
+
+Libgpg-error is a library to provide error codes for GnuPG and relates
+software as well as some other general purpose functions.  It is planned
+to eventually rename this library to "gpgrt" (for GnuPG RunTime).
+
+* Menu:
+
+* Getting Started::             How to use this manual.
+* Features::                    A glance at Libgpg-error’s features.
+* Overview::                    Overview about the library.
+
+
+File: gpgrt.info,  Node: Getting Started,  Next: Features,  Up: Introduction
+
+1.1 Getting Started
+===================
+
+This manual documents the Libgpg-error library application programming
+interface (API). The goal is to that all functions and data types
+provided by the library are explained.  However, for now this is only a
+stub and not very useful.
+
+
+File: gpgrt.info,  Node: Features,  Next: Overview,  Prev: Getting Started,  Up: Introduction
+
+1.2 Features
+============
+
+TBD
+
+
+File: gpgrt.info,  Node: Overview,  Prev: Features,  Up: Introduction
+
+1.3 Overview
+============
+
+The Libgpg-error library is fully thread-safe, where it makes sense to
+be thread-safe.
+
+   TBD
+
+
+File: gpgrt.info,  Node: Preparation,  Next: Generalities,  Prev: Introduction,  Up: Top
+
+2 Preparation
+*************
+
+To use Libgpg-error, you have to perform some changes to your sources
+and the build system.  The necessary changes are small and explained in
+the following sections.  At the end of this chapter, it is described how
+the library is initialized, and how the requirements of the library are
+verified.
+
+* Menu:
+
+* Header::                      What header file you need to include.
+* Building sources::            How to build sources using the library.
+* Building sources using Automake::  How to build sources with the help of Automake.
+* Initializing the library::    How to initialize the library.
+* Multi-Threading::             How Libgpg-error can be used in a MT environment.
+
+
+File: gpgrt.info,  Node: Header,  Next: Building sources,  Up: Preparation
+
+2.1 Header
+==========
+
+All interfaces (data types and functions) of the library are defined in
+the header file 'libgpg-error.h'.  You must include this in all source
+files using the library, either directly or through some other header
+file, like this:
+
+     #include <libgpg-error.h>
+
+   Note well that the header file is platform specific and may only be
+used on the platform for which it has been build.
+
+   The name space of Libgpg-error is 'gpg_*' and 'gpgrt*' for function
+and type names and 'GPG_*' and 'GPGRT_*' for other symbols.  In addition
+the same name prefixes with one prepended underscore are reserved for
+internal use and should never be used by an application.
+
+Certain parts of gpg-error.h may be included by defining these macros:
+
+'GPG_ERR_ENABLE_GETTEXT_MACROS'
+     Define to provide macros to map the internal gettext API to
+     standard names.  This has only an effect on Windows platforms.
+
+'GPGRT_ENABLE_ES_MACROS'
+     Define to provide "es_" macros for the estream functions.
+
+
+File: gpgrt.info,  Node: Building sources,  Next: Building sources using Automake,  Prev: Header,  Up: Preparation
+
+2.2 Building sources
+====================
+
+If you want to compile a source file including the 'gpg-error.h' header
+file, you must make sure that the compiler can find it in the directory
+hierarchy.  This is accomplished by adding the path to the directory in
+which the header file is located to the compilers include file search
+path (via the '-I' option).
+
+   However, the path to the include file is determined at the time the
+source is configured.  To solve this problem, Libgpg-error ships with
+the small helper program 'gpgrt-config' which know the path to the
+include file and other configuration options.  The options that need to
+be added to the compiler invocation at compile time are output by the
+'--cflags' option to 'gpgrt-config' The following example shows how it
+can be used at the command line:
+
+     gcc -c foo.c $(gpgrt-config --cflags)
+
+   Adding the output of 'gpgrt-config --cflags' to the compiler’s
+command line will ensure that the compiler can find the Libgpg-error
+header file.
+
+   A similar problem occurs when linking the program with the library.
+Again, the compiler has to find the library files.  For this to work,
+the path to the library files has to be added to the library search path
+(via the '-L' option).  For this, the option '--libs' to 'gpgrt-config'
+can be used.  The example shows how to link 'foo.o' with the
+Libgpg-error library to a program 'foo'.
+
+     gcc -o foo foo.o $(gpgrt-config --libs)
+
+   Of course you can also combine both examples to a single command by
+specifying both options to 'gpgrt-config':
+
+     gcc -o foo foo.c $(gpgrt-config --cflags --libs)
+
+
+File: gpgrt.info,  Node: Building sources using Automake,  Next: Initializing the library,  Prev: Building sources,  Up: Preparation
+
+2.3 Building sources using Automake
+===================================
+
+It is much easier if you use GNU Automake instead of writing your own
+Makefiles.  If you do that, you do not have to worry about finding and
+invoking the 'gpgrt-config' script at all.  Libgpg-error provides an
+extension to Automake that does all the work for you.
+
+ -- Macro: AM_PATH_GPG_ERROR ([MINIMUM-VERSION], [ACTION-IF-FOUND],
+          [ACTION-IF-NOT-FOUND])
+     Check whether Libgpg-error (at least version MINIMUM-VERSION, if
+     given) exists on the host system.  If it is found, execute
+     ACTION-IF-FOUND, otherwise do ACTION-IF-NOT-FOUND, if given.
+
+     Additionally, the function defines 'GPG_ERROR_CFLAGS' to the flags
+     needed for compilation of the program to find the 'gpg-error.h'
+     header file, and 'GPG_ERROR_LIBS' to the linker flags needed to
+     link the program to the Libgpg-error library.  If the used helper
+     script does not match the target type you are building for a
+     warning is printed and the string 'libgpg-error' is appended to the
+     variable 'gpg_config_script_warn'.
+
+     This macro searches for 'gpgrt-config' along the PATH. If you are
+     cross-compiling, it is useful to set the environment variable
+     'SYSROOT' to the top directory of your target.  The macro will then
+     first look for the helper program in the 'bin' directory below that
+     top directory.  An absolute directory name must be used for
+     'SYSROOT'.  Finally, if the configure command line option
+     '--with-libgpg-error-prefix' is used, only its value is used for
+     the top directory below which the helper script is expected.
+
+   You can use the defined Autoconf variables like this in your
+'Makefile.am':
+
+     AM_CPPFLAGS = $(GPG_ERROR_CFLAGS)
+     LDADD = $(GPG_ERROR_LIBS)
+
+
+File: gpgrt.info,  Node: Initializing the library,  Next: Multi-Threading,  Prev: Building sources using Automake,  Up: Preparation
+
+2.4 Initializing the library
+============================
+
+Before the library can be used, it should initialize itself.  This is
+achieved by invoking the function 'gpgrt_check_version' described below.
+
+   Also, it is often desirable to check that the version of Libgpg-error
+used is indeed one which fits all requirements.  Even with binary
+compatibility, new features may have been introduced, but due to problem
+with the dynamic linker an old version may actually be used.  So you may
+want to check that the version is okay right after program startup.
+
+ -- Function: const char * gpgrt_check_version (const char *REQ_VERSION)
+
+     The function 'gpgrt_check_version' initializes some subsystems used
+     by Libgpg-error and must be invoked before any other function in
+     the library.  *Note Multi-Threading::.
+
+     Furthermore, this function returns the version number of the
+     library.  It can also verify that the version number is higher than
+     a certain required version number REQ_VERSION, if this value is not
+     a null pointer.
+
+
+File: gpgrt.info,  Node: Multi-Threading,  Prev: Initializing the library,  Up: Preparation
+
+2.5 Multi-Threading
+===================
+
+TBD.
+
+
+File: gpgrt.info,  Node: Generalities,  Next: Tools,  Prev: Preparation,  Up: Top
+
+3 Generalities
+**************
+
+TBD. (Description of the error function may be taken from Libgcrypt.)
+
+
+File: gpgrt.info,  Node: Tools,  Next: Library Copying,  Prev: Generalities,  Up: Top
+
+4 Tools
+*******
+
+* Menu:
+
+* gpgrt-config::    Print required compiler flags
+
+
+File: gpgrt.info,  Node: gpgrt-config,  Up: Tools
+
+4.1 Print required compiler flags
+=================================
+
+'gpgrt-config' is a tool that is used to configure to determine the
+compiler and linker flags that should be used to compile and link
+programs that use Libgpg-error.  It is also used internally to the '.m4'
+macros for GNU autoconf that are included with Libgpg-error.
+
+'gpgrt-config' accepts the following options:
+
+'--mt'
+     Provide output appropriate for multithreaded programs.  '--mt' is
+     only useful when combined with other options, and must be the first
+     option if present.
+
+'--version'
+     Print the currently installed version of Libgpg-error on the
+     standard output.
+
+'--libs'
+     Print the linker flags that are necessary to link a program using
+     Libgpg-error.
+
+'--cflags'
+     Print the compiler flags that are necessary to compile a program
+     using Libgpg-error.
+
+'--prefix=PREFIX'
+     If specified, use PREFIX instead of the installation prefix that
+     Libgpg-error was built with when computing the output for the
+     '--cflags' and '--libs' options.  This option is also used for the
+     exec prefix if '--exec-prefix' was not specified.  This option must
+     be specified before any '--libs' or '--cflags' options.
+
+'--exec-prefix=PREFIX'
+     If specified, use PREFIX instead of the installation exec prefix
+     that Libgpg-error was built with when computing the output for the
+     '--cflags' and '--libs' options.  This option must be specified
+     before any '--libs' or '--cflags' options.
+
+
+File: gpgrt.info,  Node: Library Copying,  Next: Copying,  Prev: Tools,  Up: Top
+
+GNU Lesser General Public License
+*********************************
+
+                      Version 2.1, February 1999
+
+     Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+     59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+
+     Everyone is permitted to copy and distribute verbatim copies
+     of this license document, but changing it is not allowed.
+
+     [This is the first released version of the Lesser GPL.  It also counts
+     as the successor of the GNU Library Public License, version 2, hence the
+     version number 2.1.]
+
+Preamble
+========
+
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+          and/or source code, so that the user can modify the Library
+          and then relink to produce a modified executable containing
+          the modified Library.  (It is understood that the user who
+          changes the contents of definitions files in the Library will
+          not necessarily be able to recompile the application to use
+          the modified definitions.)
+
+       b. Use a suitable shared library mechanism for linking with the
+          Library.  A suitable mechanism is one that (1) uses at run
+          time a copy of the library already present on the user's
+          computer system, rather than copying library functions into
+          the executable, and (2) will operate properly with a modified
+          version of the library, if the user installs one, as long as
+          the modified version is interface-compatible with the version
+          that the work was made with.
+
+       c. Accompany the work with a written offer, valid for at least
+          three years, to give the same user the materials specified in
+          Subsection 6a, above, for a charge no more than the cost of
+          performing this distribution.
+
+       d. If distribution of the work is made by offering access to copy
+          from a designated place, offer equivalent access to copy the
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+       e. Verify that the user has already received a copy of these
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+
+     For an executable, the required form of the "work that uses the
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+     form) with the major components (compiler, kernel, and so on) of
+     the operating system on which the executable runs, unless that
+     component itself accompanies the executable.
+
+     It may happen that this requirement contradicts the license
+     restrictions of other proprietary libraries that do not normally
+     accompany the operating system.  Such a contradiction means you
+     cannot use both them and the Library together in an executable that
+     you distribute.
+
+  7. You may place library facilities that are a work based on the
+     Library side-by-side in a single library together with other
+     library facilities not covered by this License, and distribute such
+     a combined library, provided that the separate distribution of the
+     work based on the Library and of the other library facilities is
+     otherwise permitted, and provided that you do these two things:
+
+       a. Accompany the combined library with a copy of the same work
+          based on the Library, uncombined with any other library
+          facilities.  This must be distributed under the terms of the
+          Sections above.
+
+       b. Give prominent notice with the combined library of the fact
+          that part of it is a work based on the Library, and explaining
+          where to find the accompanying uncombined form of the same
+          work.
+
+  8. You may not copy, modify, sublicense, link with, or distribute the
+     Library except as expressly provided under this License.  Any
+     attempt otherwise to copy, modify, sublicense, link with, or
+     distribute the Library is void, and will automatically terminate
+     your rights under this License.  However, parties who have received
+     copies, or rights, from you under this License will not have their
+     licenses terminated so long as such parties remain in full
+     compliance.
+
+  9. You are not required to accept this License, since you have not
+     signed it.  However, nothing else grants you permission to modify
+     or distribute the Library or its derivative works.  These actions
+     are prohibited by law if you do not accept this License.
+     Therefore, by modifying or distributing the Library (or any work
+     based on the Library), you indicate your acceptance of this License
+     to do so, and all its terms and conditions for copying,
+     distributing or modifying the Library or works based on it.
+
+  10. Each time you redistribute the Library (or any work based on the
+     Library), the recipient automatically receives a license from the
+     original licensor to copy, distribute, link with or modify the
+     Library subject to these terms and conditions.  You may not impose
+     any further restrictions on the recipients' exercise of the rights
+     granted herein.  You are not responsible for enforcing compliance
+     by third parties with this License.
+
+  11. If, as a consequence of a court judgment or allegation of patent
+     infringement or for any other reason (not limited to patent
+     issues), conditions are imposed on you (whether by court order,
+     agreement or otherwise) that contradict the conditions of this
+     License, they do not excuse you from the conditions of this
+     License.  If you cannot distribute so as to satisfy simultaneously
+     your obligations under this License and any other pertinent
+     obligations, then as a consequence you may not distribute the
+     Library at all.  For example, if a patent license would not permit
+     royalty-free redistribution of the Library by all those who receive
+     copies directly or indirectly through you, then the only way you
+     could satisfy both it and this License would be to refrain entirely
+     from distribution of the Library.
+
+     If any portion of this section is held invalid or unenforceable
+     under any particular circumstance, the balance of the section is
+     intended to apply, and the section as a whole is intended to apply
+     in other circumstances.
+
+     It is not the purpose of this section to induce you to infringe any
+     patents or other property right claims or to contest validity of
+     any such claims; this section has the sole purpose of protecting
+     the integrity of the free software distribution system which is
+     implemented by public license practices.  Many people have made
+     generous contributions to the wide range of software distributed
+     through that system in reliance on consistent application of that
+     system; it is up to the author/donor to decide if he or she is
+     willing to distribute software through any other system and a
+     licensee cannot impose that choice.
+
+     This section is intended to make thoroughly clear what is believed
+     to be a consequence of the rest of this License.
+
+  12. If the distribution and/or use of the Library is restricted in
+     certain countries either by patents or by copyrighted interfaces,
+     the original copyright holder who places the Library under this
+     License may add an explicit geographical distribution limitation
+     excluding those countries, so that distribution is permitted only
+     in or among countries not thus excluded.  In such case, this
+     License incorporates the limitation as if written in the body of
+     this License.
+
+  13. The Free Software Foundation may publish revised and/or new
+     versions of the Lesser General Public License from time to time.
+     Such new versions will be similar in spirit to the present version,
+     but may differ in detail to address new problems or concerns.
+
+     Each version is given a distinguishing version number.  If the
+     Library specifies a version number of this License which applies to
+     it and "any later version", you have the option of following the
+     terms and conditions either of that version or of any later version
+     published by the Free Software Foundation.  If the Library does not
+     specify a license version number, you may choose any version ever
+     published by the Free Software Foundation.
+
+  14. If you wish to incorporate parts of the Library into other free
+     programs whose distribution conditions are incompatible with these,
+     write to the author to ask for permission.  For software which is
+     copyrighted by the Free Software Foundation, write to the Free
+     Software Foundation; we sometimes make exceptions for this.  Our
+     decision will be guided by the two goals of preserving the free
+     status of all derivatives of our free software and of promoting the
+     sharing and reuse of software generally.
+
+                              NO WARRANTY
+
+  15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
+     WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE
+     LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS
+     AND/OR OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY
+     OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+     FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+     PERFORMANCE OF THE LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE
+     DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR
+     OR CORRECTION.
+
+  16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
+     WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY
+     MODIFY AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE
+     LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
+     INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
+     INABILITY TO USE THE LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF
+     DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU
+     OR THIRD PARTIES OR A FAILURE OF THE LIBRARY TO OPERATE WITH ANY
+     OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN
+     ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+                      END OF TERMS AND CONDITIONS
+
+How to Apply These Terms to Your New Libraries
+==============================================
+
+If you develop a new library, and you want it to be of the greatest
+possible use to the public, we recommend making it free software that
+everyone can redistribute and change.  You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of
+the ordinary General Public License).
+
+   To apply these terms, attach the following notices to the library.
+It is safest to attach them to the start of each source file to most
+effectively convey the exclusion of warranty; and each file should have
+at least the "copyright" line and a pointer to where the full notice is
+found.
+
+     ONE LINE TO GIVE THE LIBRARY'S NAME AND AN IDEA OF WHAT IT DOES.
+     Copyright (C) YEAR  NAME OF AUTHOR
+
+     This library is free software; you can redistribute it and/or modify it
+     under the terms of the GNU Lesser General Public License as published by
+     the Free Software Foundation; either version 2.1 of the License, or (at
+     your option) any later version.
+
+     This library is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     Lesser General Public License for more details.
+
+     You should have received a copy of the GNU Lesser General Public
+     License along with this library; if not, write to the Free Software
+     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
+     USA.
+
+   Also add information on how to contact you by electronic and paper
+mail.
+
+   You should also get your employer (if you work as a programmer) or
+your school, if any, to sign a "copyright disclaimer" for the library,
+if necessary.  Here is a sample; alter the names:
+
+     Yoyodyne, Inc., hereby disclaims all copyright interest in the library
+     `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+     SIGNATURE OF TY COON, 1 April 1990
+     Ty Coon, President of Vice
+
+   That's all there is to it!
+
+
+File: gpgrt.info,  Node: Copying,  Next: Concept Index,  Prev: Library Copying,  Up: Top
+
+GNU General Public License
+**************************
+
+                         Version 2, June 1991
+
+     Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+     59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+
+     Everyone is permitted to copy and distribute verbatim copies
+     of this license document, but changing it is not allowed.
+
+Preamble
+========
+
+The licenses for most software are designed to take away your freedom to
+share and change it.  By contrast, the GNU General Public License is
+intended to guarantee your freedom to share and change free software--to
+make sure the software is free for all its users.  This General Public
+License applies to most of the Free Software Foundation's software and
+to any other program whose authors commit to using it.  (Some other Free
+Software Foundation software is covered by the GNU Library General
+Public License instead.)  You can apply it to your programs, too.
+
+   When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it if
+you want it, that you can change the software or use pieces of it in new
+free programs; and that you know you can do these things.
+
+   To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+   For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+   We protect your rights with two steps: (1) copyright the software,
+and (2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+   Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+   Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+   The precise terms and conditions for copying, distribution and
+modification follow.
+
+    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  1. This License applies to any program or other work which contains a
+     notice placed by the copyright holder saying it may be distributed
+     under the terms of this General Public License.  The "Program",
+     below, refers to any such program or work, and a "work based on the
+     Program" means either the Program or any derivative work under
+     copyright law: that is to say, a work containing the Program or a
+     portion of it, either verbatim or with modifications and/or
+     translated into another language.  (Hereinafter, translation is
+     included without limitation in the term "modification".)  Each
+     licensee is addressed as "you".
+
+     Activities other than copying, distribution and modification are
+     not covered by this License; they are outside its scope.  The act
+     of running the Program is not restricted, and the output from the
+     Program is covered only if its contents constitute a work based on
+     the Program (independent of having been made by running the
+     Program).  Whether that is true depends on what the Program does.
+
+  2. You may copy and distribute verbatim copies of the Program's source
+     code as you receive it, in any medium, provided that you
+     conspicuously and appropriately publish on each copy an appropriate
+     copyright notice and disclaimer of warranty; keep intact all the
+     notices that refer to this License and to the absence of any
+     warranty; and give any other recipients of the Program a copy of
+     this License along with the Program.
+
+     You may charge a fee for the physical act of transferring a copy,
+     and you may at your option offer warranty protection in exchange
+     for a fee.
+
+  3. You may modify your copy or copies of the Program or any portion of
+     it, thus forming a work based on the Program, and copy and
+     distribute such modifications or work under the terms of Section 1
+     above, provided that you also meet all of these conditions:
+
+       a. You must cause the modified files to carry prominent notices
+          stating that you changed the files and the date of any change.
+
+       b. You must cause any work that you distribute or publish, that
+          in whole or in part contains or is derived from the Program or
+          any part thereof, to be licensed as a whole at no charge to
+          all third parties under the terms of this License.
+
+       c. If the modified program normally reads commands interactively
+          when run, you must cause it, when started running for such
+          interactive use in the most ordinary way, to print or display
+          an announcement including an appropriate copyright notice and
+          a notice that there is no warranty (or else, saying that you
+          provide a warranty) and that users may redistribute the
+          program under these conditions, and telling the user how to
+          view a copy of this License.  (Exception: if the Program
+          itself is interactive but does not normally print such an
+          announcement, your work based on the Program is not required
+          to print an announcement.)
+
+     These requirements apply to the modified work as a whole.  If
+     identifiable sections of that work are not derived from the
+     Program, and can be reasonably considered independent and separate
+     works in themselves, then this License, and its terms, do not apply
+     to those sections when you distribute them as separate works.  But
+     when you distribute the same sections as part of a whole which is a
+     work based on the Program, the distribution of the whole must be on
+     the terms of this License, whose permissions for other licensees
+     extend to the entire whole, and thus to each and every part
+     regardless of who wrote it.
+
+     Thus, it is not the intent of this section to claim rights or
+     contest your rights to work written entirely by you; rather, the
+     intent is to exercise the right to control the distribution of
+     derivative or collective works based on the Program.
+
+     In addition, mere aggregation of another work not based on the
+     Program with the Program (or with a work based on the Program) on a
+     volume of a storage or distribution medium does not bring the other
+     work under the scope of this License.
+
+  4. You may copy and distribute the Program (or a work based on it,
+     under Section 2) in object code or executable form under the terms
+     of Sections 1 and 2 above provided that you also do one of the
+     following:
+
+       a. Accompany it with the complete corresponding machine-readable
+          source code, which must be distributed under the terms of
+          Sections 1 and 2 above on a medium customarily used for
+          software interchange; or,
+
+       b. Accompany it with a written offer, valid for at least three
+          years, to give any third party, for a charge no more than your
+          cost of physically performing source distribution, a complete
+          machine-readable copy of the corresponding source code, to be
+          distributed under the terms of Sections 1 and 2 above on a
+          medium customarily used for software interchange; or,
+
+       c. Accompany it with the information you received as to the offer
+          to distribute corresponding source code.  (This alternative is
+          allowed only for noncommercial distribution and only if you
+          received the program in object code or executable form with
+          such an offer, in accord with Subsection b above.)
+
+     The source code for a work means the preferred form of the work for
+     making modifications to it.  For an executable work, complete
+     source code means all the source code for all modules it contains,
+     plus any associated interface definition files, plus the scripts
+     used to control compilation and installation of the executable.
+     However, as a special exception, the source code distributed need
+     not include anything that is normally distributed (in either source
+     or binary form) with the major components (compiler, kernel, and so
+     on) of the operating system on which the executable runs, unless
+     that component itself accompanies the executable.
+
+     If distribution of executable or object code is made by offering
+     access to copy from a designated place, then offering equivalent
+     access to copy the source code from the same place counts as
+     distribution of the source code, even though third parties are not
+     compelled to copy the source along with the object code.
+
+  5. You may not copy, modify, sublicense, or distribute the Program
+     except as expressly provided under this License.  Any attempt
+     otherwise to copy, modify, sublicense or distribute the Program is
+     void, and will automatically terminate your rights under this
+     License.  However, parties who have received copies, or rights,
+     from you under this License will not have their licenses terminated
+     so long as such parties remain in full compliance.
+
+  6. You are not required to accept this License, since you have not
+     signed it.  However, nothing else grants you permission to modify
+     or distribute the Program or its derivative works.  These actions
+     are prohibited by law if you do not accept this License.
+     Therefore, by modifying or distributing the Program (or any work
+     based on the Program), you indicate your acceptance of this License
+     to do so, and all its terms and conditions for copying,
+     distributing or modifying the Program or works based on it.
+
+  7. Each time you redistribute the Program (or any work based on the
+     Program), the recipient automatically receives a license from the
+     original licensor to copy, distribute or modify the Program subject
+     to these terms and conditions.  You may not impose any further
+     restrictions on the recipients' exercise of the rights granted
+     herein.  You are not responsible for enforcing compliance by third
+     parties to this License.
+
+  8. If, as a consequence of a court judgment or allegation of patent
+     infringement or for any other reason (not limited to patent
+     issues), conditions are imposed on you (whether by court order,
+     agreement or otherwise) that contradict the conditions of this
+     License, they do not excuse you from the conditions of this
+     License.  If you cannot distribute so as to satisfy simultaneously
+     your obligations under this License and any other pertinent
+     obligations, then as a consequence you may not distribute the
+     Program at all.  For example, if a patent license would not permit
+     royalty-free redistribution of the Program by all those who receive
+     copies directly or indirectly through you, then the only way you
+     could satisfy both it and this License would be to refrain entirely
+     from distribution of the Program.
+
+     If any portion of this section is held invalid or unenforceable
+     under any particular circumstance, the balance of the section is
+     intended to apply and the section as a whole is intended to apply
+     in other circumstances.
+
+     It is not the purpose of this section to induce you to infringe any
+     patents or other property right claims or to contest validity of
+     any such claims; this section has the sole purpose of protecting
+     the integrity of the free software distribution system, which is
+     implemented by public license practices.  Many people have made
+     generous contributions to the wide range of software distributed
+     through that system in reliance on consistent application of that
+     system; it is up to the author/donor to decide if he or she is
+     willing to distribute software through any other system and a
+     licensee cannot impose that choice.
+
+     This section is intended to make thoroughly clear what is believed
+     to be a consequence of the rest of this License.
+
+  9. If the distribution and/or use of the Program is restricted in
+     certain countries either by patents or by copyrighted interfaces,
+     the original copyright holder who places the Program under this
+     License may add an explicit geographical distribution limitation
+     excluding those countries, so that distribution is permitted only
+     in or among countries not thus excluded.  In such case, this
+     License incorporates the limitation as if written in the body of
+     this License.
+
+  10. The Free Software Foundation may publish revised and/or new
+     versions of the General Public License from time to time.  Such new
+     versions will be similar in spirit to the present version, but may
+     differ in detail to address new problems or concerns.
+
+     Each version is given a distinguishing version number.  If the
+     Program specifies a version number of this License which applies to
+     it and "any later version", you have the option of following the
+     terms and conditions either of that version or of any later version
+     published by the Free Software Foundation.  If the Program does not
+     specify a version number of this License, you may choose any
+     version ever published by the Free Software Foundation.
+
+  11. If you wish to incorporate parts of the Program into other free
+     programs whose distribution conditions are different, write to the
+     author to ask for permission.  For software which is copyrighted by
+     the Free Software Foundation, write to the Free Software
+     Foundation; we sometimes make exceptions for this.  Our decision
+     will be guided by the two goals of preserving the free status of
+     all derivatives of our free software and of promoting the sharing
+     and reuse of software generally.
+
+                              NO WARRANTY
+
+  12. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO
+     WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
+     LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS
+     AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+     OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+     FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+     PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
+     DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR
+     OR CORRECTION.
+
+  13. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
+     WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY
+     MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE
+     LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
+     INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
+     INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+     DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU
+     OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY
+     OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN
+     ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+                      END OF TERMS AND CONDITIONS
+
+How to Apply These Terms to Your New Programs
+=============================================
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+   To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+     ONE LINE TO GIVE THE PROGRAM'S NAME AND AN IDEA OF WHAT IT DOES.
+     Copyright (C) 19YY  NAME OF AUTHOR
+
+     This program is free software; you can redistribute it and/or
+     modify it under the terms of the GNU General Public License
+     as published by the Free Software Foundation; either version 2
+     of the License, or (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License along
+     with this program; if not, write to the Free Software Foundation, Inc.,
+     59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+   Also add information on how to contact you by electronic and paper
+mail.
+
+   If the program is interactive, make it output a short notice like
+this when it starts in an interactive mode:
+
+     Gnomovision version 69, Copyright (C) 19YY NAME OF AUTHOR
+     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details
+     type `show w'.  This is free software, and you are welcome
+     to redistribute it under certain conditions; type `show c'
+     for details.
+
+   The hypothetical commands 'show w' and 'show c' should show the
+appropriate parts of the General Public License.  Of course, the
+commands you use may be called something other than 'show w' and 'show
+c'; they could even be mouse-clicks or menu items--whatever suits your
+program.
+
+   You should also get your employer (if you work as a programmer) or
+your school, if any, to sign a "copyright disclaimer" for the program,
+if necessary.  Here is a sample; alter the names:
+
+     Yoyodyne, Inc., hereby disclaims all copyright
+     interest in the program `Gnomovision'
+     (which makes passes at compilers) written
+     by James Hacker.
+
+     SIGNATURE OF TY COON, 1 April 1989
+     Ty Coon, President of Vice
+
+   This General Public License does not permit incorporating your
+program into proprietary programs.  If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library.  If this is what you want to do, use the
+GNU Library General Public License instead of this License.
+
+
+File: gpgrt.info,  Node: Concept Index,  Next: Function and Data Index,  Prev: Copying,  Up: Top
+
+Concept Index
+*************
+
+
+* Menu:
+
+* GPL, GNU General Public License:       Copying.               (line 6)
+* LGPL, GNU Lesser General Public License: Library Copying.     (line 6)
+
+
+File: gpgrt.info,  Node: Function and Data Index,  Prev: Concept Index,  Up: Top
+
+Function and Data Index
+***********************
+
+
+* Menu:
+
+* AM_PATH_GPG_ERROR:                     Building sources using Automake.
+                                                               (line 11)
+* gpgrt_check_version:                   Initializing the library.
+                                                               (line 15)
+
+
+
+Tag Table:
+Node: Top729
+Node: Introduction2103
+Node: Getting Started2625
+Node: Features2982
+Node: Overview3111
+Node: Preparation3307
+Node: Header4108
+Node: Building sources5193
+Node: Building sources using Automake6924
+Node: Initializing the library8861
+Node: Multi-Threading10049
+Node: Generalities10191
+Node: Tools10378
+Node: gpgrt-config10544
+Node: Library Copying12111
+Node: Copying40212
+Node: Concept Index59382
+Node: Function and Data Index59679
+
+End Tag Table