543 lines
18 KiB
Plaintext
543 lines
18 KiB
Plaintext
wxWidgets for Motif installation
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--------------------------------
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IMPORTANT NOTE:
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If you experience problems installing, please re-read these
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instructions and other related files (todo.txt, bugs.txt and
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osname.txt for your platform if it exists) carefully before
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mailing wx-users or the author. Preferably, try to fix the
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problem first and then send a patch to the author.
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When sending bug reports tell us what version of wxWidgets you are
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using (including the beta) and what compiler on what system. One
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example: wxMotif 2.8.1, gcc 2.95.4, Redhat 6.1
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First steps
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-----------
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- Prerequisites: Motif 1.2 or above, or Lesstif. Motif 2.0 and
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above may also be suitable.
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- Download wxX11-x.y.z.tgz, where x.y.z is the version number.
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(wxMotif is included in the wxX11 distribution).
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Download documentation in a preferred format, such as
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wxWidgets-HTML.zip or wxWidgets-PDF.zip.
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- Make a directory such as ~/wx and unarchive the files into this
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directory.
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- It is recommended that you install bison and flex; using yacc
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and lex may require tweaking of the makefiles. You also need
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libXpm (see comments in the Notes section below) if you want to have
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XPM support in wxWidgets (recommended).
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- You can now use configure to build wxWidgets and the samples.
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Using configure is the only way to build the library. If it doesn't
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work for you for whatever reason, please report it (together with detailed
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information about your platform and the (relevant part of) contents of
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config.log file).
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COMPILING USING CONFIGURE
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=========================
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* The simplest case
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-------------------
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If you compile wxWidgets on Linux for the first time and don't like to read
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install instructions just do (in the base dir):
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> ./configure --with-motif
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> make
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> su <type root password>
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> make install
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> ldconfig
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> exit
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Afterwards you can continue with
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> make
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> su <type root password>
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> make install
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> ldconfig
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> exit
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If you want to remove wxWidgets on Unix you can do this:
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> su <type root password>
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> make uninstall
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> ldconfig
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> exit
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* The expert case
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-----------------
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If you want to do some more serious cross-platform programming with wxWidgets,
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such as for GTK and Motif, you can now build two complete libraries and use
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them concurrently. For this end, you have to create a directory for each build
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of wxWidgets - you may also want to create different versions of wxWidgets
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and test them concurrently. Most typically, this would be a version configured
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with --enable-debug and one without.
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For building three versions (one GTK, one Motif and a debug version of the GTK
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source) you'd do this:
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mkdir buildmotif
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cd buildmotif
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../configure --with-motif
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make
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cd ..
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mkdir buildgtk
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cd buildgtk
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../configure --with-gtk
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make
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cd ..
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mkdir buildgtkd
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cd buildgtkd
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../configure --with-gtk --enable-debug
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make
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cd ..
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Note that since wxWidgets-2.6.0 you can install all those libraries
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concurrently, you just need to pass the appropriate flags when using them.
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* The simplest errors
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---------------------
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You get errors during compilation: The reason is that you probably have a
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broken compiler. GCC 2.8 and earlier versions and egcs are likely to cause
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problems due to incomplete support for C++ and optimisation bugs. Best to use
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GCC 2.95 or later.
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You get immediate segfault when starting any sample or application: This is
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either due to having compiled the library with different flags or options than
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your program - typically you might have the __WXDEBUG__ option set for the
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library but not for your program - or due to using a compiler with optimisation
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bugs.
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* The simplest program
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----------------------
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Now create your super-application myfoo.app and compile anywhere with
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g++ myfoo.cpp `wx-config --libs --cxxflags` -o myfoo
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* General
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---------
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The Unix variants of wxWidgets use GNU configure. If you have problems with
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your make use GNU make instead.
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If you have general problems with installation, see the wxWidgets website at
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https://www.wxwidgets.org/
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for newest information. If you still don't have any success, please send a bug
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report to one of our mailing lists (see my homepage) INCLUDING A DESCRIPTION OF
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YOUR SYSTEM AND YOUR PROBLEM, SUCH AS YOUR VERSION OF MOTIF, WXMOTIF, WHAT
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DISTRIBUTION YOU USE AND WHAT ERROR WAS REPORTED. I know this has no effect,
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but I tried...
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* GUI libraries
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---------------
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wxWidgets/Motif requires the Motif library to be installed on your system. As
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an alternative, you may also use the free library "lesstif" which implements
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most of the Motif API without the licence restrictions of Motif.
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You can get the newest version of the Lesstif from the lesstif homepage at:
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http://lesstif.sourceforge.net/
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* Additional libraries
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----------------------
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wxWidgets/Motif requires a thread library and X libraries known to work with
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threads. This is the case on all commercial Unix-Variants and all
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Linux-Versions that are based on glibc 2 except RedHat 5.0 which is broken in
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many aspects. As of writing this, virtually all Linux distributions have
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correct glibc 2 support.
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You can disable thread support by running
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./configure --disable-threads
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make
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su <type root password>
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make install
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ldconfig
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exit
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* Building wxMotif on OS/2
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--------------------------
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Please send comments and question about the OS/2 installation
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to Stefan Neis <Stefan.Neis@t-online.de> and patches to
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the wxWidgets mailing list.
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In the following list, the version numbers indicate the configuration that
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was actually used by myself, newer version should cause no problems and
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even older ones are expected to work most of the time.
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You'll need OS/2 Warp (4.51) or eCS(1.0), X-Free86/2 (3.3.6 or newer),
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Lesstif (0.92.7 or newer), emx (0.9d fix 4), a Unix like shell (pdksh-5.2.14
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or ash), Autoconf (2.57), GNU file utilities (3.13), GNU text utilities (1.19),
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GNU shell utilites (1.12), m4 (1.4), sed (2.05), grep (2.0), Awk (3.0.3),
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GNU Make (3.75).
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Preferably, you should have Posix/2 installed and C(PLUS)_INCLUDE_PATH and
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LIBRARY_PATH set up accordingly, however, wxGTK will even work without it.
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Presence of Posix/2 will be auto-detected.
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Open an OS/2 prompt and switch to the directory above.
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Set MAKESHELL or MAKE_SHELL (which one is needed depends on the version of
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make) to a Unix like shell, e.g.
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SET MAKESHELL=ash
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If you have a really deficient version of GNU make, it might even be
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necessary to set SHELL or even COMSPEC to a unix like shell as well.
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Depending on your installation you might want to also set INSTALL, for me
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it tends to try to use the system's tcpip\pcomos\install.exe which causes
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problems, e.g.
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SET INSTALL=<path_to_src_directory>/install-sh -c
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Notice that the delivered configure scripts are fully OS/2 aware, so you
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can simply run
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ash -c "configure --with-motif"
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and make and possibly make install as described above.
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To verify Lesstif installation, configure will try to compile a
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sample program that requires X headers/libraries to be either
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available via C_INCLUDE_PATH and LIBRARY_PATH or you need to
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explicitly set CFLAGS prior to running configure.
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* Building wxMotif on SGI
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-------------------------
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Using the SGI native compilers, it is recommended that you
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also set CFLAGS and CXXFLAGS before running configure. These
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should be set to :
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CFLAGS="-mips3 -n32"
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CXXFLAGS="-mips3 -n32"
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This is essential if you want to use the resultant binaries
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on any other machine than the one it was compiled on. If you
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have a 64bit machine (Octane) you should also do this to ensure
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you don't accidently build the libraries as 64bit (which is
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untested).
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The SGI native compiler support has only been tested on Irix 6.5.
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* Building wxMotif on Cygwin
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----------------------------
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The normal build instructions should work fine on Cygwin. The one difference
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with Cygwin is that when using the "--enable-shared" configure option (which
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is the default) the API is exported explicitly using __declspec(dllexport)
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rather than all global symbols being available.
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This shouldn't make a difference using the library and should be a little
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more efficient. However if an export attribute has been missed somewhere you
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will see linking errors. If this happens then you can work around the
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problem by setting LDFLAGS=-Wl,--export-all-symbols. Please also let us know
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about it on the wx-dev mailing list.
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* Create your configuration
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---------------------------
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Usage:
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./configure [options]
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If you want to use system's C and C++ compiler,
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set environment variables CXX and CC as
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% setenv CC cc
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% setenv CXX CC
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% ./configure options
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to see all the options please use:
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./configure --help
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The basic philosophy is that if you want to use different
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configurations, like a debug and a release version,
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or use the same source tree on different systems,
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you have only to change the environment variable OSTYPE.
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(Sadly this variable is not set by default on some systems
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in some shells - on SGI's for example). So you will have to
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set it there. This variable HAS to be set before starting
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configure, so that it knows which system it tries to
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configure for.
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Configure will complain if the system variable OSTYPE has
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not been defined. And Make in some circumstances as well...
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* General options
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-------------------
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Given below are the commands to change the default behaviour,
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i.e. if it says "--disable-threads" it means that threads
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are enabled by default.
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Many of the configure options have been thoroughly tested
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in wxWidgets snapshot 6, but not yet all (ODBC not).
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You have to add --with-motif on platforms, where Motif is
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not the default (on Linux, configure will default to GTK).
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--with-motif Use either Motif or Lesstif
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Configure will look for both.
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The following options handle the kind of library you want to build.
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--disable-threads Compile without thread support. Threads
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support is also required for the
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socket code to work.
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--disable-shared Do not create shared libraries.
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--enable-monolithic Build wxWidgets as single library instead
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of as several smaller libraries (which is
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the default since wxWidgets 2.5.0).
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--disable-optimise Do not optimise the code. Can
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sometimes be useful for debugging
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and is required on some architectures
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such as Sun with gcc 2.8.X which
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would otherwise produce segvs.
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--enable-profile Add profiling info to the object
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files. Currently broken, I think.
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--enable-no_rtti Enable compilation without creation of
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C++ RTTI information in object files.
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This will speed-up compilation and reduce
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binary size.
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--enable-no_exceptions Enable compilation without creation of
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C++ exception information in object files.
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This will speed-up compilation and reduce
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binary size. Also fewer crashes during the
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actual compilation...
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--enable-no_deps Enable compilation without creation of
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dependency information.
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--enable-permissive Enable compilation without checking for strict
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ANSI conformance. Useful to prevent the build
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dying with errors as soon as you compile with
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Solaris' ANSI-defying headers.
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--enable-mem_tracing Add built-in memory tracing.
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--enable-dmalloc Use the dmalloc memory debugger.
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Read more at www.letters.com/dmalloc/
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--enable-debug Equivalent to --enable-debug_info plus
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--enable-debug-flag.
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--enable-debug_info Add debug info to object files and
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executables for use with debuggers
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such as gdb (or its many frontends).
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--enable-debug_flag Define __DEBUG__ and __WXDEBUG__ when
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compiling. This enable wxWidgets' very
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useful internal debugging tricks (such
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as automatically reporting illegal calls)
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to work. Note that program and library
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must be compiled with the same debug
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options.
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* Feature Options
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-----------------
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Many of the configure options have been thoroughly tested
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in wxWidgets snapshot 6, but not yet all (ODBC not).
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When producing an executable that is linked statically with wxGTK
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you'll be surprised at its immense size. This can sometimes be
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drastically reduced by removing features from wxWidgets that
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are not used in your program. The most relevant such features
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are
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--without-libpng Disables PNG image format code.
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--without-libjpeg Disables JPEG image format code.
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--without-odbc Disables ODBC code.
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--without-libtiff Disables TIFF image format code.
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--without-expat Disable XML classes based on Expat parser.
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--disable-threads Disables threads. Will also
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disable sockets.
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--disable-sockets Disables sockets.
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--disable-dnd Disables Drag'n'Drop.
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--disable-clipboard Disables Clipboard.
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--disable-streams Disables the wxStream classes.
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--disable-file Disables the wxFile class.
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--disable-textfile Disables the wxTextFile class.
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--disable-intl Disables the internationalisation.
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--disable-validators Disables validators.
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--disable-accel Disables accel.
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Apart from disabling certain features you can very often "strip"
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the program of its debugging information resulting in a significant
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reduction in size.
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Please see the output of "./configure --help" for comprehensive list
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of all configurable options.
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* Compiling
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-----------
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The following must be done in the base directory (e.g. ~/wxMotif
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or ~/wxWin or whatever)
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Now the makefiles are created (by configure) and you can compile
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the library by typing:
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make
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make yourself some coffee, as it will take some time. On an old
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Pentium 200 around 40 minutes. During compilation, you may get a few
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warning messages depending in your compiler.
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If you want to be more selective, you can change into a specific
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directory and type "make" there.
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Then you may install the library and its header files under
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/usr/local/include/wx and /usr/local/lib respectively. You
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have to log in as root (i.e. run "su" and enter the root
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password) and type
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make install
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You can remove any traces of wxWidgets by typing
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make uninstall
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If you want to save disk space by removing unnecessary
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object-files:
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make clean
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in the various directories will do the work for you.
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* Creating a new Project
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------------------------
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1) The first way uses the installed libraries and header files
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automatically using wx-config
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g++ myfoo.cpp `wx-config --libs` `wx-config --cxxflags` -o myfoo
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Using this way, a make file for the minimal sample would look
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like this
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CXX = g++
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minimal: minimal.o
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$(CXX) -o minimal minimal.o `wx-config --libs`
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minimal.o: minimal.cpp
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$(CXX) `wx-config --cxxflags` -c minimal.cpp -o minimal.o
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clean:
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rm -f *.o minimal
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If your application uses only some of wxWidgets libraries, you can
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specify required libraries when running wx-config. For example,
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`wx-config --libs=html,core` will only output link command to link
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with libraries required by core GUI classes and wxHTML classes. See
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the manual for more information on the libraries.
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2) The other way creates a project within the source code
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directories of wxWidgets. For this endeavour, you'll need
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GNU autoconf version 2.14 and add an entry to your Makefile.in
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to the bottom of the configure.in script and run autoconf
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and configure before you can type make.
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* Further notes by Julian Smart
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---------------------------------
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- You may find the following script useful for compiling wxMotif,
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especially if installing from zips (which don't preserve file
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permissions). Make this script executable with the command
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chmod a+x makewxmotif.
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-------:x-----Cut here-----:x-----
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# makewxmotif
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# Sets permissions (in case we extracted wxMotif from zip files)
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# and makes wxMotif.
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# Call from top-level wxWidgets directory.
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# Note that this uses standard (but commonly-used) configure options;
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# if you're feeling brave, you may wish to compile with threads:
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# if they're not supported by the target platform, they will be disabled
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# anyhow
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# -- Julian Smart
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chmod a+x configure config.sub config.guess
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./configure --with-shared --with-motif --with-debug_flag --with-debug_info --enable-debug --without-threads --without-sockets --without-odbc
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make
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-------:x-----Cut here-----:x-----
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This script will build wxMotif using shared libraries. If you want to build
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a static wxWidgets library, use --disable-shared.
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Troubleshooting
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---------------
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- Solaris compilation with gcc: if the compiler has problems with the variable
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argument functions, try putting the gcc fixinclude file paths early in the
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include path.
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- If you operator-related compile errors or strange memory problems
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(for example in deletion of string arrays), set wxUSE_GLOBAL_MEMORY_OPERATORS
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and wxUSE_MEMORY_TRACING to 0 in setup.h, and recompile.
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- If you get an internal compiler error in gcc, turn off optimisations.
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- Problems with XtDestroyWidget crashing in ~wxWindow have been
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reported on SGI IRIX 6.4. This has not yet been resolved, so
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any advice here would be very welcome. See bugs.txt for a
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possible temporary workaround (comment out the final
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XtDestroyWidget from ~wxWindow in window.cpp).
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- Some compilers, such as Sun C++, may give a lot of warnings about
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virtual functions being hidden. Please ignore these, it's correct C++ syntax.
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If you find any incorrect instances, though, such as a
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missing 'const' in an overridden function, please let us know.
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Other Notes
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-----------
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- Using configure will create a release build of the library by
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default: it's recommended to use --enable-debug configure switch
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while developing your application. To compile in non-debug mode, use
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--disable-debug configure switch.
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Bug reports
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-----------
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Please send bug reports with a description of your environment,
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compiler and the error message(s) to the developers mailing list at:
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https://www.wxwidgets.org/support/mailing-lists/
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Julian Smart, Robert Roebling and Vadim Zeitlin, November 1999.
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