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wxWidgets for MGL installation
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------------------------------
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IMPORTANT NOTE:
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wxMGL is currently in need of some work to bring it up to the
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standard of some of the other wxWidgets ports.
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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: wxMGL 2.8.0, gcc 2.95.3, Redhat 7.0
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First steps
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-----------
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- Download SciTech MGL library from http://www.scitechsoft.com. The
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downloads page is here (you need MGL version 5.0beta7 or newer):
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http://scitechsoft.com/products/dev/mgl_download/mgl_down.html
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Install MGL according to provided instructions. In particular, make sure that
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MGL_ROOT and NUCLEUS_PATH environment variables are set before attempting to
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build wxMGL.
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Make sure you installed all MGL components, including the "fonts" package
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(it's called mgl_<ver>-font.tar.gz in Linux version). It is important to have
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SciTech's basic fonts in $(MGL_ROOT)/fonts directory (you may want to add
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Arial TrueType font for better output quality) and basic cursors in
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$(MGL_ROOT)/cursors. wxMGL depends on their presence.
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- Download wxMGL-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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- You can now use configure or makefiles to build wxWidgets and the samples.
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In case of problems, please use GNU make.
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COMPILING
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=========
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Following systems are supported by wxMGL so far:
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- Unix (Linux etc.)
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- MS-DOS (DJGPP and Watcom compilers)
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* Compiling using configure
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----------------------------
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These instructions apply to installation on a Unix system (such as Linux). Please
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see below for information on using configure on non-Unix platforms.
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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-mgl
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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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You can set many options to configure. Type
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> ./configure --help
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and you will get a list of supported options.
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* Using wxMGL library built with configure
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-------------------------------------------
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'make install' will install wx-config script that can (and should) be used
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to get compiler flags that are needed to build your program. wx-config --cxxflags
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will output necessary C++ compiler flags and wx-config --libs will list all
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needed libraries. See an example of wxWidgets application makefile:
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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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* Using configure to build MS-DOS version
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------------------------------------------
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Even though configure is a Unix script, you can use it to build MS-DOS version
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of the wxMGL library. There are two possible ways to achieve this: you can
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either cross-compile from Unix or compile natively. Either way you will needed
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the DJGPP port of GCC compiler freely available from:
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http://www.delorie.com/djgpp/getting.html
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Scitech MGL must be compiled natively, and to do this you will need to download
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the following files (from the current/v2 and current/v2gnu directories). You
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should get the latest versions available rather than the exact versions shown
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below, they are just an example of what to look for:
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djdev203.zip B 1,530,778 020811 DJGPP development kit 2.03
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bnu2161b.zip B 3,483,132 050708 GNU Binutils 2.16.1 for DJGPP V2
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gcc344b.zip B 3,772,211 050527 GNU GCC 3.4.4 for DJGPP V2
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gpp344b.zip B 4,026,725 050527 GNU C++ Compiler 3.4.4 for DJGPP V2
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If you want to build wxMGL natively using the DJGPP compiler, you will have to
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install a couple of Unix utilities. I think the following is the minimum that
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will work:
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bsh204b.zip B 454,308 020106 GNU Bash shell 2.04 for DJGPP V2
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fil41b.zip B 1,738,170 030830 GNU fileutils 4.1 for DJGPP V2
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find41b.zip B 306,826 010505 GNU findutils 4.1 for DJGPP V2
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grep24b.zip B 254,997 000116 GNU Grep 2.4 for DJGPP V2
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mak3791b.zip B 272,798 020106 GNU Make 3.79.1 for DJGPP V2
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sed414b.zip B 159,920 050331 GNU Sed 4.1.4 for DJGPP V2
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shl2011b.zip B 1,195,021 020419 GNU sh-utils 2.01 for DJGPP V2
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You'll probably also want a debugger:
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gdb611b.zip B 1,585,648 040629 GNU GDB Debugger 6.1.1 for DJGPP V2
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And maybe some of these:
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faq230b.zip B 679,865 000203 FAQ 2.30 for DJGPP v2.03
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dif281b.zip B 402,859 040911 GNU Diffutils 2.8.1 for DJGPP V2
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gwk314b.zip B 968,667 050321 GNU Awk 3.1.4 for DJGPP V2
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gzip135b.zip B 146,138 041215 GNU gzip 1.3.5 for DJGPP V2
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lss374b.zip B 199,805 020405 GNU Less 374 for DJGPP V2
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pat254b.zip B 114,250 040326 GNU Patch 2.5.4 for DJGPP V2
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tar112ab.zip B 236,427 000305 GNU Tar 1.12a for DJGPP V2
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whic211b.zip B 86,296 000911 GNU which 2.11 for DJGPP V2
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The system you compile on must support long file names. You can use Windows 9x
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or an x86 version of Windows 2000/XP or later. For example:
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C:\>set MGL_ROOT=c:/scitech
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C:\>set DJGPP=c:/djgpp/djgpp.env
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C:\>PATH=c:\djgpp\bin
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C:\>set PS1=\w\$
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C:\>bash
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c:/$ mkdir build
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c:/$ cd build
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c:/build$ ../wxWidgets/configure
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c:/build$ make
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c:/build$ cd samples/minimal
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c:/build/samples/minimal$ make
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Cross-compilation is very easy. It works like ordinary compilation with
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configure, you only have to specify the target:
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> ./configure --with-mgl --build=i586-linux --host=i586-pc-msdosdjgpp
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> make
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For this to work, you must have installed a cross compiler on your system.
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Linux rpms are available here:
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http://ap1.pp.fi/djgpp/gcc/cross-compiler/index.html
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NetBSD has a binary package which can be installed with:
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# pkg_add cross-i386-msdosdjgpp
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For other systems you will need to obtain the djgpp sources and compile them
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yourself.
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* Building wxMGL for MS-DOS using Watcom C/C++
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-----------------------------------------------
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<Note: this section is currently out of date>
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You will need Watcom C/C++ compiler version 11 or newer (Watcom is going to be
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OpenSourced by SciTech, check out http://www.openwatcom.org).
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1. Edit $(WXDIR)\include\wx\univ\setup.h to suit your needs (in same way as you
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do when compiling wxMSW).
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2. Go to $(WXDIR)\src\mgl and run
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> wmake -f makefile.wat all
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3. You can compile the samples by typing 'wmake -f makefile.mgl all' in sample
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directory if this file is available. If it is not, copy makefile.wat to
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makefile.mgl and replace the line that says
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!include $(WXDIR)\src\makeprog.wat
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with
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!include $(WXDIR)\src\mgl\makeprog.wat
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Compilation notes for MGL with gcc
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----------------------------------
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The mvis library doesn't compile with current versions of gcc. However wxMGL
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does not use this part of MGL, so it can be taken out of the compile, e.g.:
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--- scitech/src/makefile.orig 2004-04-15 20:36:32.000000000 +0100
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+++ scitech/src/makefile 2005-04-26 01:50:12.000000000 +0100
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@@ -88,7 +88,7 @@
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# Target to build libraries for one compiler for SciTech MGL Graphics Library
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-all_mgl: $(T_PM) $(T_GCONSOLE) $(T_SNAP) $(T_TECH) $(T_MVIS) $(T_FIXED) \
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+all_mgl: $(T_PM) $(T_GCONSOLE) $(T_SNAP) $(T_TECH) $(T_FIXED) \
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$(T_GM) $(T_GLUT) $(T_MGL)
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@$(ECHO) =============================================================================
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@$(ECHO) DONE: Single compiler MGL build completed successfully!
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The following small change is also required to include/tcl/hashmap.hpp:
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--- scitech/include/tcl/hashtab.hpp.orig 2006-01-20 19:51:12.000000000 +0000
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+++ scitech/include/tcl/hashtab.hpp 2006-01-22 14:12:12.000000000 +0000
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@@ -60,7 +60,7 @@
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TCHashTableNode **prev;
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friend class TCGenHashTable;
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- friend ostream& operator << (ostream& o,TCGenHashTable& h);
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+ friend ostream& operator << (ostream& o, class TCGenHashTable& h);
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public:
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// Constructor to satisfy some compilers :-(
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TCHashTableNode() {};
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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 wxwin-developers mailing list at:
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wx-dev@lists.wxwidgets.org
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Vaclav Slavik, Julian Smart, Robert Roebling and Vadim Zeitlin, February 2002.
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Mike Wetherell 2005/2006
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Vadim Zeitlin