1c4071a3cb
This option didn't do anything for the last 14 years, ever since the switch to
bakefile-generated makefiles in fe0895cf82, so
remove it from configure and stop mentioning it in documentation.
Use --disable-dependency-tracking to do what this option used to be doing 15
years ago.
459 lines
15 KiB
Plaintext
459 lines
15 KiB
Plaintext
wxWidgets for X11 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 wxwin-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: wxX11 2.8.0, gcc 2.95.4, Redhat 6.2
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First steps
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-----------
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- Download wxX11-x.y.z.tgz, where x.y.z is the version number.
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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 if you want to have 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 recommended 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-x11
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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 X11, 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_flag and one without. Note, that only one build can
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currently be installed, so you'd have to use local version of the library for
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that purpose.
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For building three versions (one GTK, one X11 and a debug version of the GTK
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source) you'd do this:
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md buildx11
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cd buildx11
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../configure --with-x11
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make
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cd ..
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md 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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md buildgtkd
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cd buildgtkd
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../configure --with-gtk --enable-debug_flag
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make
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cd ..
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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.cpp 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 X, WHAT DISTRIBUTION
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YOU USE AND WHAT ERROR WAS REPORTED. I know this has no effect, but I tried...
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* GUI libraries
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---------------
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wxWidgets/X11 requires the X11 library to be installed on your system.
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* Additional libraries
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----------------------
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wxWidgets/X11 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 wxX11 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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You have to add --with-x11 on platforms, where X11 is
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not the default (on Linux, configure will default to GTK).
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--with-x11 Use X11.
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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-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_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 wxX11
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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-expat Disable XML classes based on Expat parser.
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--disable-resources Disables the use of *.wxr type
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resources.
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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-serial Disables object instance serialisation.
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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. ~/wxX11
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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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386SX possibly two weeks. During compilation, you'll 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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This is certain to become the standard way unless we decide
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to stick to tmake.
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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 wxX11,
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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 makewxx11.
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-------:x-----Cut here-----:x-----
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# makewxx11
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# Sets permissions (in case we extracted wxX11 from zip files)
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# and makes wxX11.
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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-x11 --with-shared --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 wxX11 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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- 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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- Debugging mode is switched on by default in the makefiles, but using
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configure will create a release build of the library by default: it's
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recommended to use --with-debug_info and --with-debug_flag configure
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switches while developing your application. To compile in non-debug
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mode, remove the -D__WXDEBUG__ switch in make.env (or if using the
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configure system, change --with-debug_flag to --without-debug_flag
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and --with-debug_info to --without-debug_info in the makewxx11
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script).
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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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