wxWidgets/docs/gtk/install.txt

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* The most simple case
-----------------------
If you compile wxWindows on Unix for the first time and don't
like to read install instructions just do (in the base dir):
./configure
make
make install
Now create your super-application myfoo.app and compile anywhere
with
g++ myfoo.cpp `wx-config --libs` `wx-config --cflags` -o myfoo
* General
-----------------------
The Unix variants of wxWindows use GNU configure. If you have
problems with your make use GNU make instead.
If you have general problems with installation, read my
homepage at
http://wesley.informatik.uni-freiburg.de/~wxxt
for newest information. If you still don't have any success,
please send a bug report to one of our mailing lists (see
my homepage) INCLUDING A DESCRIPTION OF YOUR SYSTEM AND
YOUR PROBLEM, SUCH AS YOUR VERSION OF GTK, WXGTK, WHAT
DISTRIBUTION YOU USE AND WHAT ERROR WAS REPORTED. I know
this has no effect, but I tried...
* GUI libraries
-----------------------
wxWindows/GTK requires the GTK+ library to be installed on your system.
It has to be a stable version, preferebly version 1.0.6. When using
a version previous to 1.0.6 you'll get crashes here and there.
wxWindows/GTK does NOT work with the 1.1.X versions of the GTK+ library
and we will wait until the 1.2 version comes out and has stabilized
until we'll work with that library.
You can get the newest version of the GTK+ from the GTK homepage
at
http://www.gtk.org
We also mirror GTK+ 1.0.6 at my ftp site. You'll find information
about downloading at my homepage.
* Additional libraries
-----------------------
wxWindows/Gtk requires a thread library and X libraries
known to work with threads. This is the case on all
commercial Unix-Variants and all Linux-Versions that
are based on glibc 2 except RedHat 5.0 which is broken
in many aspects. As of writing this, these Linux
distributions have correct glibc 2 support:
- RedHat 5.1
- Debian 2.0
- Stampede
- DLD 6.0
- SuSE 6.0
On IRIX you can also use SGI threads if Posix-Threads
are not present. The SGI threads will be detected by
configure automatically.
You can enable thread support by running
./configure "--with-threads"
make clean
make
make install
NB: I included thread support in wxWindows/Gtk, as this
problem will disappear in the near future when all major
Linux Variants have moved to glibc 2. Also, the Linux
Base Standard will include glibc 2 and Posic threads.
* Create your configuration
-----------------------------
Usage:
./configure options
If you want to use system's C and C++ compiler,
set environment variables CC and CCC as
% setenv CC cc
% setenv CCC CC
% ./configure options
Using the SGI native compilers, it is recommended that you
also set CFLAGS and CXXFLAGS before running configure. These
should be set to :
CFLAGS="-mips3 -n32"
CXXFLAGS="-mips3 -n32"
This is essential if you want to use the resultant binaries
on any other machine than the one it was compiled on. If you
have a 64bit machine (Octane) you should also do this to ensure
you don't accidently build the libraries as 64bit (which is
untested).
The SGI native compiler support has only been tested on Irix 6.5.
to see all the options please use:
./configure --help
The basic philosophy is that if you want to use different
configurations, like a debug and a release version,
or use the same source tree on different systems,
you have only to change the environment variable OSTYPE.
(Sadly this variable is not set by default on some systems
in some shells - on SGI's for example). So you will have to
set it there. This variable HAS to be set before starting
configure, so that it knows which system it tries to
configure for.
Configure will complain if the system variable OSTYPE has
not been defined. And Make in some circumstances as well...
* General options
-------------------
Normally, you won't have to choose a toolkit, because when
you download wxGTK, it will default to --with-gtk etc. But
if you use all of our CVS repository you have to choose a
toolkit. You must do this by running configure with either of:
--with-gtk Use the GIMP ToolKit (GTK)
--with-motif Use either Motif or Lesstif
Configure will look for both.
The following options handle the kind of library you want to build.
--with-threads Compile without thread support.
--without-shared Do not create shared libraries.
--without-optimise Do not optimise the code.
--with-profile Add profiling info to the object
files. Currently broken, I think.
--with-mem_tracing Add built-in memory tracing.
--with-dmalloc Use the dmalloc memory debugger.
Read more at www.letters.com/dmalloc/
--with-debug_info Add debug info to object files and
executables.
--with-debug_flag Define __DEBUG__ and __WXDEBUG__ when
compiling.
* Feature Options
-------------------
As I don't yet care for binary size and target mainly at
producing a shared library, wxWindows's configure system auto-
matically enables all features, as long as they are already
implemented. It is currently NOT possible to disable these
options (in contrast to what configure tells you).
* Compiling
-------------
The following must be done in the base directory (e.g. ~/wxGTK
or ~/wxWin or whatever)
Now the makefiles are created (by configure) and you can compile
the library by typing:
make
make yourself some coffee, as it will take some time. On an old
386SX possibly week. During compilation, you'll get a few
warning messages.
if you want to be more selective:
make src will build only the base libraries
make samples will build the samples
make other will build everything in other
make user will build everything in user
Then you may install the library and it's header files under
/usr/local/include/wx and /usr/local/lib respectively. You
have to log in as root (i.e. run "su" and enter the root
password) and type
make install
Depending on the configuration of some files, the libraries
and binaries will be placed in different directories.
The "global" binaries and libraries will be placed in:
bin/$(OSTYPE) and
lib/$(OSTYPE) respectively
"local" binaries and libraries will be placed in:
(basedir of that application)/$(OSTYPE).
This is also the place where all the object-files will go.
(Currently there arent any global binaries).
If you want to conserve disk space by removing unnecessary
object-files:
make clean_obj
will do the work for you.
* Creating a new Project
--------------------------
There are two ways to create your own project:
1) The first way uses the installed libraries and header files
automatically using wx-config
g++ myfoo.cpp `wx-config --libs` `wx-config --cflags` -o myfoo
Using this way, a make file for the minimal sample would look
like this
CC = g++
minimal: minimal.o
$(CC) -o minimal minimal.o `wx-config --libs`
minimal.o: minimal.cpp mondrian.xpm
$(CC) `wx-config --cflags` -c minimal.cpp -o minimal.o
clean:
rm -f *.o minimal
This is certain to become the standard way unless we decide
to sitch to tmake.
2) The other way creates a project within the source code
directories of wxWindows: In this case I propose to put
all contributed programs in the directory "/user", with a
directory of its own.
This directory then should include the following files:
Makefile (You can copy this one from any application in samples
probably you will not need to edit this one. There is
only one case where you might be interested in changing
this file, but about that see later.)
Makefile.in (This is the base application-Makefile template, from
which the actual Makefile for each system is created.
More about this later)
put ALL your source code along with all the other stuff you need for
your application in this directory (subdirectories are welcome).
** Something about Makefiles
------------------------------
On general principle it should only contain ONE line, which is as follows:
include ../../setup/general/makeapp
this will include all the necessary definitions for creating the applications
the only case where you might want to add another line is the following:
this version of configure also supports creation of source archives of the
application for easy distribution and updates to newer version of wxWindows.
For this purpose all files in the application-directory will be put into
a gziped tar-file in the full notation user/<your application>/*
if you want to include some other files that you want "more visible", like
a README.<yourApp> or a shell script for easy
compilation/installation/distribution, then you have to add a variable
DISTRIBUTE_ADDITIONAL=<your files>
to the Makefile.
So it would look like this:
DISTRIBUTE_ADDITIONAL=README.TheApp
include ../../setup/general/makeapp
As we have already talked about distribution the command to create a
distribution is:
make distrib
NOTE: If you are in the base directory of wxWindows it will create
distribution packages for wxWindows as well as for all packages in the
user directory.
So if you want to create only packages for the files in user,
then go to the directory other and type:
make distrib
or if you only want one application to be created then
enter the specific directory and type there:
make distrib
All the distribution files will be put in the directory
distrib at the base of the wxWindows-tree (where also configure
and template.mak can be found).
** Something about Makefile.in
--------------------------------
As you have already seen with Makefile, configure makes a lot of use
if the include statement in make to keep the Makefiles as simple as
possible.
So basically there are only variables to define and then a include command.
Exception to this rule is if you have special rules for some stuff...
These rules should go AFTER the include statement!!!
so the general header looks like this:
# wxWindows base directory
WXBASEDIR=@WXBASEDIR@
# set the OS type for compilation
OS=@OS@
# compile a library only
RULE=bin
and the general footer will look like this:
# include the definitions now
include ../../../template.mak
the key variable is RULE, which defines what make should create
in this directory.
here are some examples:
RULE description
===========================================================================
bin creates a local binary (for a global binary prefix bin with g)
additional variables needed:
BIN_TARGET this gives the name of your application
BIN_OBJ this gives the object files needed to
link the application
optional variables are:
BIN_SRC this gives the list of c/c++ files for
which dependencies will be checked.
(This can be achieved with: make depend)
BIN_LINK this gives commands for additional
libraries needed to link the application
---------------------------------------------------------------------------
bin2 creates two local binaries (for global binaries prefix bin2 with g)
in addition to the variables specified above you MUST also
provide the same variables with BIN2_ instead of BIN_
---------------------------------------------------------------------------
lib creates a local library (for a global binary prefix bin with g)
additional variables needed:
LIB_TARGET this gives the name of your library
LIB_OBJ this gives the object files needed for
the library to be build.
optional variables are:
LIB_SRC this gives the list of c/c++ files for
which dependencies will be checked.
libbin and libgbin are also possible and will need in addition
the variables from bin
---------------------------------------------------------------------------
gslib is similar to lib, but it creates a shared library if the system
supports it.
additional variables needed:
LIB_MAJOR major number of the shared library
LIB_MINOR minor number of the shared library
---------------------------------------------------------------------------
other additional variables:
ADD_COMPILE define additional includes/defines that
are needed to compile the object files
(if you need to reference some directory
utils - like wxGrid -, then please
reference them with the variables defined
in template.mak - e.g.: $(SRCDIR),$(UTILS),
$(SAMPLES),$(OTHERS))
NEEDED_DEFINES lists all the defines that HAVE to be set in
/include/wx/setup.h to compile correctly.
SRC_DIR lists all directories that are needed to
compile. (i.e: lists all the directories,
where there are source-files.) But it is
also needed to clean an object and for
machines, for which make does not support
VPATH
currently there are the following compiling rules provided:
object files are created for the following file extensions:
.c .cc .cpp
Please have a closer look at the Makefiles in this distribution.
* Platforms configure is working with
---------------------------------------
Please report build succes on any machine. Especially non-
Linux operating systems (which I don't have).
Original author of the autoconf system for wxxt-1.66 and for this INSTALL
file:
Martin Sperl sperl@dsn.ast.univie.ac.at
Ported to wxGTK 0.1:
Wolfram Gloger wmglo@dent.med.uni-muenchen.de
Thanks alot to both of them.
In the hope that it will be useful,
Robert Roebling roebling@sun2.ruf.uni-freiburg.de