Updated: mingw-{libgcrypt/libgcrypt-devel/libgcrypt11}-1.4.6-1

Charles Wilson cygwin@cwilson.fastmail.fm
Thu Jun 2 05:11:00 GMT 2011

The mingw-libgcrypt package provides a version of the libgcrypt
library and tools built using the standard windows runtime library
and NOT cygwin. It is used by setup.exe and is provided specifically
for that purpose. No other uses are supported. However, for testing
purposes it does provide mingw versions of the dumpsexp and hmac256
tools, in addition to the libraries and headers needed for setup.exe

Libgcrypt is a general purpose cryptographic library based on
the code from GnuPG. It provides functions for all cryptographic
building blocks: symmetric ciphers, hash algorithms, MACs, public
key algorithms, large integer functions, random numbers and a lot
of supporting functions.

[[ compiled using mingw-gcc-4.5.2 ]]

!!!! WARNING !!!!
IF you are attempting to update an existing cygwin installation, which
has the gcc-mingw 'add-on' packages installed (*), then you MUST
upgrade the gcc-mingw packages to version 20050522-3 or newer, before
installing this upgrade.  Do NOT attempt to upgrade BOTH gcc-mingw and
this package during the same setup.exe event. The reason for this
restriction is fairly complex, and is detailed here:

If you are reading this announcement AFTER having messed up your cygwin
installation, because you didn't follow these instructions or didn't
know about them, then see the section in this message
that begins with "HELP!!!" and follow the suggestions there to "fix" it.

(*) gcc-mingw packages are "add-ons" to the gcc-3 compiler suite, and
    provide the necessary files for the -mno-cygwin mode of that

*** NOTE 1 ***
If you have installed the "missing" mingw cross compiler packages from
then you need take no special action.  This package will simply upgrade
the cygutils.fruitbat.org one.

*** NOTE 2 ***
After upgrading all of the various mingw-packages (that is,
mingw-{runtime,zlib,bzip2,xz,gpg-error,gcrypt} etc.), the following
directories may be empty:
This is expected.  Those 'gcc-3 -mno-cygwin' users who wish to continue
rather than switching to the new MinGW cross compiler, may find it
necessary to add -I/usr/i686-pc-mingw32/sys-root/mingw/include when
compiling and -L/usr/i686-pc-mingw32/sys-root/mingw/lib when linking.
However, another workaround for gcc-3 users is to remove the now empty
/usr/{include,lib}/mingw directories and replace them with symbolic
  rmdir /usr/include/mingw
  ln -fs /usr/i686-pc-mingw32/sys-root/mingw/include /usr/include/mingw
  rmdir /usr/lib/mingw
  ln -fs /usr/i686-pc-mingw32/sys-root/mingw/lib /usr/lib/mingw

CHANGES since 1.4.5-1
o Update to latest upstream release
o Recompiled by, and repackaged for use with, the i686-pc-mingw32
  cross compiler. Recompiled against updated mingw-libgpg-error package.
o Changed the name of the DLL from mgwgcrypt-11.dll to libgcrypt-11.dll
  for consistency with any future mingw.org distribution of the library.

Charles Wilson
volunteer mingw-libgcrypt maintainer for cygwin


To update your installation, click on the "Install Cygwin now" link
on the http://cygwin.com/ web page.  This downloads setup.exe to
your system.  Then, run setup and answer all of the questions.


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