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This file describes how to build BLT under Window 95/98/NT.
It's not necessary to compile BLT for Windows 95/98/NT. Binary versions
are available on ftp.tcltk.com/pub/blt.
ftp://ftp.tcltk.com/pub/blt/blt2.4v-for-8.0.exe
-or-
ftp://ftp.tcltk.com/pub/blt/blt2.4v-for-8.1.exe
-or-
ftp://ftp.tcltk.com/pub/blt/blt2.4v-for-8.2.exe
-or-
ftp://ftp.tcltk.com/pub/blt/blt2.4v-for-8.3.exe
They will dynamically load into a vanilla wish80.exe, wish81.exe,
wish82.exe, or wish83.exe by invoking
package require BLT
from within your script.
Most Windows software is designed to be delivered as a self-installing
binary executable, so most Windows installations don't have the tools
needed to build and install BLT from the source code. It's a lot more
difficult to build BLT under Windows than under Unix. So hold your hat.
1. What's needed?
First build and install the Tcl/Tk sources. They should reside in the
same directory tree as the BLT sources. The Tcl/Tk sources are
required for Windows, since they contain X11 header files that aren't
normally installed.
______________|______________
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blt2.4 tcl8.3.1 tk8.3.2 jpeg-6b
I've built this version of BLT with Tcl/Tk versions 8.0.5, 8.1.1, and
8.2.3, and 8.3.2.
By default, JPEG support is added into BLT. It uses the jpeg-6b
libraries from ftp.uu.net. You can pick up the sources from
ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gz
Note: JPEG support is optional. See below how to disable it.
The BLT Makefiles work with GNU make, not Microsoft's nmake. This is
what I use to build BLT. But you'll need the Cygnus cygwin32-b20.1
tool suite. You can pick this up from
http://go.cygnus.com/pub/sourceware.cygnus.com/pub/cygwin/latest/full.exe
Alternatively, I've included a sample nmakefile called "blt.mak". It
compiles BLT with using the Microsoft Visual C++ compiler. The catch
is that that to install BLT, you must use the ./win/install.tcl
script. The limitations of Windows shell tools make it too painful to
install with nmake.
I've built BLT under Windows 95/NT 4.0 using the
Cygnus egcs-1.1.[1-2]
Microsoft Visual C++ 5.0/6.0
C compilers. I don't know whether or not BLT will build with other
compilers.
Note: Use the same compiler for both Tcl/Tk and BLT. That is, if you
compiled Tcl/Tk with the Cygnus mingw32 compiler, compile BLT
with it too. This will make your life a lot easier.
The BLT24.dll you build should dynamically load into "wish",
regardless of the compiler that was used to build "wish".
2. What files do you need to edit?
You should only need to edit ./win/makedefs. The following macros may
need to be reset.
v1 Tcl/Tk version.
v2 Version number without dots.
v3 Suffix of Tcl/Tk directories
prefix Location of installed Tcl/Tk binaries.
TOOLS32 Location of MS C compiler and tools.
EXTRA_DEFINES By default set to -DHAVE_JPEGLIB_H.
JPEGLIB By default set $(JPEGDIR)/libjpeg.lib.
If you don't want JPEG support included, set both the EXTRA_DEFINES
and JPEGLIB macros to nothing.
JPEGLIB =
EXTRA_DEFINES =
3. Compiling and installing
Using "make"
From the top directory run make. Use the Makefile for your compiler.
make -f Makefile.vc Microsoft Visual C++ compiler
-or-
make -f Makefile.gnu Cygnus egcs-1.1.2 compiler
To install, run make again with the "install" target.
make -f Makefile.vc install
-or-
make -f Makefile.gnu install
Using "nmake"
From the top directory run nmake using the "blt.mak" nmakefile.
It assumes that you are using the Microsoft Visual C++ compiler.
nmake -f blt.mak
To install, run the ./win/install.tcl script from wish.
wish82.exe ./win/install.tcl
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