Updated experimental package: gcc4-4.3.2-1

Dave Korn dave.korn@artimi.com
Fri Sep 12 19:08:00 GMT 2008


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  I have just uploaded an updated GCC-4 package to cygwin.com.  It will be
arriving at your favourite mirror next time it synchronizes itself with the
official Cygwin repository.

  The main purpose of this update is to resolve the packaging conflict between
the original native Cygwin gcc-3.4.4 and this new package, which it does by
appending a version suffix.  "gcc.exe" is now "gcc-4.exe", "g++.exe" becomes
"g++-4.exe", and so on.

  In addition I have updated the upstream sources to version 4.3.2, which
should get us a few bug fixes for free.

  Finally, I have removed the controversial "-mno-cygwin" flag.  Cause of much
debate on the Cygwin mailing list, it is nevertheless the case that this flag
has never worked entirely correctly - some cygwin headers are still visible in
MinGW mode, which can lead to compilation errors.  For the moment, the
original gcc-3.4.4 package can be used to compile MinGW applications, but in
the near future I will make available a mingw-targeted gcc-4.3.2
cross-compiler.

  The to-do list for the first fully stable release currently stands at:

- - versioned cyggcc_s.dll
- - dlltool exe suffix (may be obsoleted by solution to above)
- - libjava
- - libgomp
- - cygport deforkification
- - shared fortran and objc libraries

  If there's anything else you think is important, please contact the Cygwin
mailing list with your suggestion.


gcc4-4.3.2-1
- ------------------------------------------
This is a rapid refresh of the experimental GCC 4 package for Cygwin.

It can now fully co-exist with a pre-existing Cygwin gcc-3.4.4 installation.

If you installed the earlier package, please uninstall it and reinstall the
older gcc.

The same caveats apply as did to the earlier release:

"  Please be aware that this is highly experimental; anything
built with it is not guaranteed to be forwardly-compatible with the 
eventual full release.  ABI details may change; compiler packaging may
change.  "

In particular, it is likely that libgcc will be a versioned DLL in the
first stable release.

As this is highly experimental, please watch out for bugs.  Anything
abnormal should be reported, in the first instance, to the Cygwin
mailing list.


- ------------------------------------------

Runtime requirements:
  cygwin-1.5.18 or newer.  (Probably works with older versions too).
  libgmp3, libmpfr1 - These may become statically linked in a future version.
  bash - Used for postinstall script.
  w32api - System headers and import libs.

Build requirements:
  cygwin-1.5.18 or newer.  (Again, probably works with older versions).
  gcc-3.4.4-1 or newer
  binutils-20050610-1 or newer
  Recent autotools, tar, make, awk, grep, perl, makeinfo, tetex, and
  probably some others, depending whether you modify the sources.
  Recent coreutils, findutils, diffutils.

Canonical homepage:
  http://gcc.gnu.org/

Canonical download:
  http://ftp.gnu.org/gnu/gcc/gcc-4.3.2/gcc-4.3.2.tar.bz2

License:
  GPL

Language:
  C (for the most part), various Perl, shell, etc. scripts during build.

- ------------------------------------

Build instructions:
  tar -xfvj gcc4-4.3.2-1-src.tar.bz2
      if you use setup to install this src package, it will be
	 unpacked under /usr/src automatically

  cd /usr/src (if needed)
      or you can build in another directory if you unpacked there.

  ./gcc4-4.3.2-1-cygport.local gcc4-4.3.2-1 all
      unfortunately I've used a forked cygport script while
         testing this.  the stable release will rely only
	 on the official cygport release.

This will create:
  ./gcc4-4.3.2-1.tar.bz2
  ./gcc4-runtime-4.3.2-1.tar.bz2
  ./gcc4-core-4.3.2-1.tar.bz2
  ./gcc4-g++-4.3.2-1.tar.bz2
  ./gcc4-java-4.3.2-1.tar.bz2
  ./gcc4-fortran-4.3.2-1.tar.bz2
  ./gcc4-objc-4.3.2-1.tar.bz2
  ./gcc4-ada-4.3.2-1.tar.bz2
  ./gcc4-4.3.2-1-src.tar.bz2

Or use '/gcc4-4.3.2-1-cygport.local gcc4-4.3.2-1 prep' to get a patched source
directory

To find out the files included in the binary distribution, you can
use "cygcheck -l gcc4", or browse the listing for the appropriate version
at <http://cygwin.com/packages/>.

- ------------------

Port Notes:

- ----------  gcc4-4.3.2-1 -- 20080909 -----------

Upstream sources updated to version 4.3.2.

"-mno-cygwin" option deleted.

Program-suffix set to "-4" for isolation from series 3 compiler.


- ----------  gcc4-4.3.0-1 -- 20080909 -----------

Initial release.  Major new platform features:

 - Shared libgcc 
      (selectable by --shared-libgcc/--static-libgcc flag)
 - Dwarf-2 EH
      (no SjLj at all; if using EH and DLLs, --shared-libgcc is mandatory)

Plus all the GCC enhancements since series 3.

For more information about this package, see the upstream documentation in
/usr/share/doc/gcc4-4.3.0.

Cygwin port maintained by: Dave Korn
<dave.korn.cygwin@gmail.com.use.the.list.please>
Please address all questions to the Cygwin mailing list at <cygwin@cygwin.com>

This is the key used for signing Cygwin GCC releases:

pub   1024D/6A388C3E 2008-05-31
uid                  Dave Korn (release signing key)
<dave.korn.cygwin@gmail.com>
sub   4096g/D4E41590 2008-05-31

Also available at a key-server near you!

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