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tools-make/Documentation/README.MinGW
Nicola Pero 496f65eb72 Warn people not to use libxslt on MinGW 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@24911 72102866-910b-0410-8b05-ffd578937521
2007-03-21 00:24:44 +00:00

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Date: 28-Feb-2007 (tested under Windows XP)
Author: Nicola Pero <nicola.pero@meta-innovation.com>
after Richard Frith-Macdonald <rfm@gnu.org> and others
PURPOSE
-------
This document is intended to provide a step by step instruction on how
to use GNUstep on recent Windows operating systems (XP, 2000, and
probably NT).
It will get as far as explaining how to build a GNUstep application
and create a standalone version that can be shipped standalone to
Windows end users.
The recommended way to get GNUstep working on Windows is to use MinGW
and MSYS to get a Unix-like environment where you can easily build
your GNUstep software (this is what is described in this file).
Software built in the MinGW/MSYS environment is native Windows
software that you can then run without having to rely on the environment
you used to build.
So, this document is divided in two parts.
In the first part ("STEP BY STEP INSTALLATION INSTRUCTIONS"), we will
describe how to get MSYS/MinGW up and running, and how to build
GNUstep software in this environment.
In the second part ("HOW TO SHIP YOUR GNUSTEP APPLICATION TO WINDOWS
USERS"), we'll show an example of how to package (and use) the .exes,
.dlls and resources (that you can build using the environment
described in the first part) as Windows standalone binaries.
INTRODUCTION TO MINGW
---------------------
MinGW is a collection of header files and import libraries that allow
one to use GCC and produce native Windows32 programs that do not rely
on any 3rd-party DLLs. GNUstep has only partially been ported to
MinGW so expect some problems when trying to compile. Also, there are
still subtle problems with running GNU tools on Windows, so any
problems you may encounter may just as easly have to do with the
compilation tools you are using as with GNUstep.
MSYS is a very much cut down version of the Cygwin environment ...
providing a minimal set of tools needed to build programs using
MingGW. If you wish to build for MinGW by cross-compiling from a
Cygwin environment, please read README.Cygwin instead.
The gui library is only partially ported to run under MinGW. The look
and behavior may not be consistent. Contributions are welcome.
PRELIMINARIES
-------------
One way to vastly simplify installing GNUstep, is to use the Windows-based
GNUstep installer. Get it from
http://www.gnustep.org/resources/sources.html#windows
If you have already installed this, you can skip to the end and just
start compiling and packaging applications! Although you may want to
read the rest of the instructions for other helpful information.
A. STEP BY STEP INSTALLATION INSTRUCTIONS
-----------------------------------------
1. Install MinGW
================
Download MinGW-5.1.3 from
http://sourceforge.net/projects/mingw Install it into
C:/xxx/msys/1.0/mingw
(where /xxx/ is the top-level path you want to use, I use Nicola/GNUstep so
I install it into C:/Nicola/GNUstep/msys/1.0/mingw) (earlier versions of
MinGW might not work)
PS: Download MinGW-5.1.3.exe, then start it up. Select 'Current' as
the package version ot install. Then select 'MinGW Base Tools',
'Objective-C Compiler' and 'MinGW Make' as packages to install. Set
the installation path to C:\xxx\msys\1.0\mingw.
2. Install msys
===============
Download MSYS-1.0.10 following the links in
http://www.mingw.org/download.shtml. Install it into C:/xxx/msys/1.0
The postinstall script should ask you for the mingw location, then
detect it and be happy that it's there and all is setup properly.
3. Install msys developer toolkit
=================================
Download msysDTK-1.0.1 from the same site. Install it into
C:/xxx/msys/1.0
Now your MSYS/MinGW system should be setup! There should be an icon
on your desktop called 'MSYS'. Double-clicking on it will launch a
Unix-like shell. Go around and make sure you know how to use it. Log
into it and work in it.
4. Additional Windows steps
===========================
You may need to edit /mingw/include/winsock2.h to change the size of the
sa_data field in the sockaddr structure from 14 to 22 ... this is because
some versions of Windows have changed the layout of this structure.
This modification may be needed to be able to correctly determine the
network interface details for your machine.
It's a good idea to remove the libobjc.a and libobjc.la and
include/objc headers that come with gcc (gcc -v for location) so that
they are not accidentally found instead of the libobjc DLL that you
will compile below. This is what I did to remove them:
rm -Rf /mingw/lib/gcc/mingw32/3.4.2/include/objc
rm -Rf /mingw/lib/libobjc.a
rm -Rf /mingw/lib/libobjc.la
Now you can open a window containg a shell by choosing MSYS from the
start menu.
From this window we can now start building things.
5. Additional Useful Tools [Optional]
=====================================
If you want to install GNUstep from Subversion, you need a Subversion
client. I used
http://subversion.tigris.org/files/documents/15/35379/svn-1.4.2-setup.exe
and then installed subversion in a random directory. Then you can run
svn.exe from the MS-DOS console (or the MSYS one).
If you need Emacs, get a Windows version from
ftp://ftp.gnu.org/gnu/emacs/windows/emacs-21.3-bin-i386.tar.gz. To
install it, simply unpack it in your home directory, you can now
execute the binary in 'bin'.
6. Obtaining GNUstep
====================
The main GNUstep project pages tell you how to get hold of this. You
can get the latest release of the libraries. However, since MinGW
support is currently evolving, we recommend that you get the latest
snapshot or code from SVN.
svn co http://svn.gna.org/svn/gnustep/modules/core
7. Installing gnustep-make
==========================
go in core/make and do
./configure --with-layout=fhs
make
make install
The reason we recommend using the 'fhs' layout is that if do this, you
don't need to do anything to set up your environment. You could use
the standard 'gnustep' layout instead, in which case you need to
source GNUstep.sh to run stuff.
8. setup your GNUstep environment
=================================
Nothing to do here since we're using the fhs native layout.
But if at some point something doesn't work for you, try using
export GNUSTEP_MAKEFILES=/usr/local/share/GNUstep/Makefiles
9. Installing gnustep-objc
==========================
Download gnustep-libobjc (you can find it at
http://www.gnustep.org/resources/downloads.php, or use subversion:
svn co http://svn.gna.org/svn/gnustep/modules/dev-libs/libobjc),
and compile it:
make
make install
10. Reinstalling gnustep-make
=============================
Go in core/make and reconfigure/recompile again so that gnustep-objc
is detected:
make distclean
./configure --with-layout=fhs
make
make install
gnustep-make should have detected your custom libobjc.
11. Installing ffcall
=====================
Download ffcall from the GNUstep website, and type:
./configure
make
make install
(if you get a popup about contest.exe failing, just ignore it)
12. Installing additional packages
==================================
Download the following packages:
libintl-0.14.4.bin.zip
libintl-0.14.4.lib.zip
libiconv-1.9.2-bin.zip
libiconv-1.9.2-lib.zip
zlib-1.2.3-bin.zip
zlib-1.2.3-lib.zip
from http://gnuwin32.sourceforge.net, and install them. To
install them, simply unzip them into /C/xxx/msys/1.0/mingw.
13. XML support
===============
You need to get the source code for libxml2 and build it yourself ...
Now download the libxml2 source from http://www.xmlsoft.org I used
libxml2-2.6.27.tar.gz
Unpack the source, change into the directory and do the usual routine --
./configure
make
make install
You should now have libxml2 installed on your system.
IMPORTANT: Do *not* install libxslt. It has been reported that
libxslt is currently built in the wrong way and will prevent anything
from linking correctly if you try to use it.
14. Installing gnustep-base
===========================
Go in gnustep-base, and type
./configure
make
make install
At this point, you should be able to compile and run any non-gui tool
and library (to check this try, for example, 'defaults read'). The
next steps are only required for gui applications.
15. Installing gui additional packages
======================================
For the gui, download and install the following packages:
jpeg-6b-4-bin.zip
jpeg-6b-4-dep.zip
jpeg-6b-4-lib.zip
tiff-3.8.2-1-bin.zip
tiff-3.8.2-1-dep.zip
tiff-3.8.2-1-lib.zip
libpng-1.2.8-bin.zip
libpng-1.2.8-lib.zip
The process is always the same: download the zip file from the
gnuwin32 website, then unzip them into /C/xxx/msys/1.0/mingw.
16. Installing gnustep-gui
==========================
Go in the gui, and type:
./configure
make
make install
17. Installing gnustep-back
===========================
Go in back, and type:
./configure
make
make install
18. Testing your gui installation
=================================
Go in a simple gui application (examples/gui a very good starting
point), compile and run it. :-)
Additionally, you might want to compile and run Gorm or other GNUstep
applications. Gorm (and hopefully other GNUstep applications too)
should compile and run out of the box.
Troubleshooting
---------------
Issues with updating:
Before attempting to update your GNUstep installation, be sure to stop/kill
all running GNUstep programs or services (i.e. gdomap, gdnc, gpbs) since
Windows cannot overwrite files that are currently in use.
Where we specify specific versions of packages to be used, we have tested
with those versions ... later or earlier versions may work, but may well not.
Generally earlier versions should be assumed not to work.
B. HOW TO SHIP YOUR GNUSTEP APPLICATION TO WINDOWS USERS
--------------------------------------------------------
You probably want to ship your Windows application as a standalone
.zip file that Windows users can easily download and use.
We will explain what to do with an example: that of packaging
Gomoku.app. We will first build the application (creating
Gomoku.app), then we'll add to to it all the GNUstep DLLs and
resources that are needed to run the application, and we'll end up
with a single directory, Gomoku.app, that contains a program
(Gomoku.exe) and a bunch of DLLs and various other resources required
to run the program.
The end user just needs to get this directory (from a .zip or .tgz
file, for example) and can double-click on Gomoku.exe to start the
program (no GNUstep installation required).
1. Build the application
========================
Build your application (Gomoku.app in this example) in your
MinGW/GNUstep environment. Generally, this means getting the source
code and typing 'make' in it. If you're trying to follow the
Gomoku.app example, the source code is here:
http://www.gnustep.it/nicola/Applications/Gomoku/index.html
Once you have built it, make sure you can run your application from
within mingw by using 'openapp', as in 'openapp ./Gomoku.app'.
2. Copy your application somewhere
==================================
Now take your built application and copy it somewhere -- we'll be
working on it! Eg, I just copy it in my home directory.
cp -R /home/Nico/Gomoku-1.2.8/Gomoku.app /home/Nico/
3. Copy DLLs into your application
==================================
Now search for MinGW/GNUstep DLL files in /bin and /local/bin, and
copy them all into Gomoku.app:
cp $(find /bin -name *.dll) /home/Nico/Gomoku.app/
cp $(find /local/bin -name *.dll) /home/Nico/Gomoku.app/
4. Copy your GNUstep Library folder
===================================
Now copy all of the GNUstep resources into the application --
mkdir -p /home/Nicola/Gomoku.app/GNUstep/
cp -R /usr/local/lib/GNUstep/* /home/Nico/Gomoku.app/GNUstep/
I put them all into Gomoku.app/GNUstep/, which means that later on
I'll set up the GNUstep.conf file to map GNUSTEP_*_LIBRARY to that
directory.
5. Copy key GNUstep binary programs
===================================
mkdir -p /home/Nicola/Gomoku.app/GNUstep/Tools/
cp /local/bin/gpbs.exe /home/Nicola/Gomoku.app/GNUstep/Tools
cp /local/bin/gdnc.exe /home/Nicola/Gomoku.app/GNUstep/Tools
cp /local/bin/gdomap.exe /home/Nicola/Gomoku.app/GNUstep/Tools
cp /local/bin/make_services.exe /home/Nicola/Gomoku.app/GNUstep/Tools
I put them all into Gomoku.app/GNUStep/Tools, which means that later
on I'll set up the GNUstep.conf file to map GNUSTEP_*_TOOLS to that
directory.
6. Add a GNUstep.conf
=====================
You need to add a Gomoku.app/GNUstep.conf file to tell gnustep-base
where to find things inside Gomoku.app -- here is the one I use (which
matches the locations where I copied things in the previous steps) --
GNUSTEP_USER_CONFIG_FILE=.GNUstep.conf
GNUSTEP_USER_DIR=GNUstep
GNUSTEP_USER_DEFAULTS_DIR=GNUstep/Defaults
GNUSTEP_SYSTEM_APPS=./GNUstep/Apps
GNUSTEP_SYSTEM_ADMIN_APPS=./GNUstep/Apps
GNUSTEP_SYSTEM_TOOLS=./GNUstep/Tools
GNUSTEP_SYSTEM_ADMIN_TOOLS=./GNUstep/Tools
GNUSTEP_SYSTEM_LIBRARY=./GNUstep
GNUSTEP_SYSTEM_HEADERS=./GNUstep/Headers
GNUSTEP_SYSTEM_LIBRARIES=./GNUstep/Libraries
GNUSTEP_SYSTEM_DOC=./GNUstep/Documentation
GNUSTEP_SYSTEM_DOC_MAN=./GNUstep/Documentation/man
GNUSTEP_SYSTEM_DOC_INFO=./GNUstep/Documentation/info
GNUSTEP_NETWORK_APPS=./GNUstep/Apps
GNUSTEP_NETWORK_ADMIN_APPS=./GNUstep/Apps
GNUSTEP_NETWORK_TOOLS=./GNUstep/Tools
GNUSTEP_NETWORK_ADMIN_TOOLS=./GNUstep/Tools
GNUSTEP_NETWORK_LIBRARY=./GNUstep
GNUSTEP_NETWORK_HEADERS=./GNUstep/Headers
GNUSTEP_NETWORK_LIBRARIES=./GNUstep/Libraries
GNUSTEP_NETWORK_DOC=./GNUstep/Documentation
GNUSTEP_NETWORK_DOC_MAN=./GNUstep/Documentation/man
GNUSTEP_NETWORK_DOC_INFO=./GNUstep/Documentation/info
GNUSTEP_LOCAL_APPS=./GNUstep/Apps
GNUSTEP_LOCAL_ADMIN_APPS=./GNUstep/Apps
GNUSTEP_LOCAL_TOOLS=./GNUstep/Tools
GNUSTEP_LOCAL_ADMIN_TOOLS=./GNUstep/Tools
GNUSTEP_LOCAL_LIBRARY=./GNUstep
GNUSTEP_LOCAL_HEADERS=./GNUstep/Headers
GNUSTEP_LOCAL_LIBRARIES=./GNUstep/Libraries
GNUSTEP_LOCAL_DOC=./GNUstep/Documentation
GNUSTEP_LOCAL_DOC_MAN=./GNUstep/Documentation/man
GNUSTEP_LOCAL_DOC_INFO=./GNUstep/Documentation/info
So, just copy and paste this code into a GNUstep.conf file that you
put into /home/Nico/Gomoku.app/GNUstep.conf.
7. Now the application should be working
========================================
At this stage, everything should be working "standalone".
By that we mean that if you give your Gomoku.app/ to a Windows user
(with no GNUstep installed on their machine), they should be able to
run it by just double-clicking on the Gomoku executable inside of the
Gomoku.app/ directory! :-)
Try it out and make sure that it works.
8. Cleanup
==========
If you look at your Gomoku.app/ directory, you will see that it is
really big. We mass-copied stuff from the GNUstep/MinGW directories;
but generally, you want to make sure you remove anything that you
don't strictly need. So go in there and remove anything that you
don't need.
First thing, you should remove the MSYS libraries, which we never use --
rm Gomoku.app/msys-1.0.dll
rm Gomoku.app/msysltdl-3.dll
rm Gomoku.app/libW11.dll
rm Gomoku.app/libperl.dll
rm Gomoku.app/librle3.dll
Then, remove any additional library that your application doesn't use;
for example, I removed --
rm Gomoku.app/Renaissance.dll
rm Gomoku.app/ProjectCenter.dll
Finally, remove Apps and other stuff that you might have copied from
the general GNUstep installation --
rm -Rf Gomoku.app/GNUstep/Apps
rm -Rf Gomoku.app/GNUstep/Frameworks/ProjectCenter.framework
Generally, you may want to build the whole stuff making sure you only
include what you strictly need.
9. Stripping
============
The resulting directory might still be pretty big. If you are trying
to distribute it over the internet, your users will probably
appreciate if you stripped it, removing symbols. Just run 'strip'
on all the .exe and .dll files in your application.
strip $(find /home/Nico/Gomoku.app/ -name '*.exe')
strip $(find /home/Nico/Gomoku.app/ -name '*.dll')
That will reduce the size a lot. If you're not distributing it over
the internet, you might be happy leaving the symbols in though.
10. Checking Licenses
====================
Finally, before deployment, you need to realize that you are shipping
a lot of GNUstep (and non-GNUstep) software with your application.
This is fine, just make sure you are aware of the licenses, and that
you comply with them (by explaining to people where to easily get the
source code of the GNUstep software, for example [this comment is not
legal advice -- please check the licenses yourself to make sure you
are compliant]). (FIXME: Maybe someone should provide the appropriate
ready-to-use notices that ought to be included ?)
PACKAGING/WINDOWS TODOS
-----------------------
The gdnc, gpbs processes are somehow a bit of a pain. They are
automatically started when you start your application, but they are
not automatically stopped when you quit it. This might have bad
consequences, eg, if you are using your application from a USB flash
disk, Windows doesn't let you unplug the USB disk while gdnc/gpbs are
running, because they are running from the disk!
Also, it's not clear what happens if you have two or three such
GNUstep apps downloaded from the web and you try to run them at the
same time. What about gdomap etc ?
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