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This file describes how to compile and install the BLT library for UNIX.
[See the file ./win/README for details on how to build under Win32.]
1. Uncompress and untar the distribution file.
zcat BLT2.4.tar.gz | tar -xvf -
This will create a directory "blt2.4" with the following subdirectories:
blt2.4
______________|_____________________________
| | | | | | |
demos examples html library man src win
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scripts shared X11
2. Run ./configure
Go into the "blt2.4" directory
cd blt2.4
and run the auto-configuration script "./configure". Tell where to find
the Tcl and Tk header files and libraries with the "--with-tcl" switch.
./configure --with-tcl=/util/lang/tcl
Switches:
--prefix=path Specifies the path where "bltwish", the BLT
header files, libraries, scripts, and manual
pages are installed. The default is
"/usr/local/blt".
This switch also indicates where to find the
Tcl/Tk header files and libraries. You can use
the --with-tcl and --with-tk switches to override
this value if the location of the Tcl/Tk files
is different.
--with-tcl=dir Directory where Tcl and/or Tk is installed.
--with-tk=dir Directory where Tk is installed if different
from "--with-tcl".
--with-cc=program Lets you specify the C compiler, such as
"acc" or "gcc".
The configure script creates a header file "src/bltConfig.h". It will also
generate new Makefiles from their respective templates (Makefile.in).
Makefile.in ==> Makefile
src/Makefile.in ==> src/Makefile
src/shared/Makefile.in ==> src/shared/Makefile
man/Makefile.in ==> man/Makefile
library/Makefile.in ==> library/Makefile
3. Compile the libraries and build the demonstration program "bltwish".
make
The program "bltwish" will be created in the ./src directory.
4. Test by running the demos.
Go into the demos directory
cd demos
and run the test scripts.
./graph1.tcl
If your system doesn't support "#!" in shell scripts, then it's
../src/bltwish ./graph1.tcl
5. Installing BLT
make install
The following directories will be created when BLT is installed.
By default, the top directory is /usr/local/blt.
___________|__________
| | | |
bin include lib man
|
blt2.4
____|____
| |
demos dd_protocols
You can change the top directory by supplying the "--prefix=dir" switch
to ./configure.
*6. (Optional) Compiling BLT into your own custom "wish".
[If your version of "wish" supports dynamic loading of packages
you can simply add
package require BLT
to the start of your script.]
Add the following lines to your program's Tcl_AppInit routine in
tkAppInit.c
if (Blt_Init(interp) != TCL_OK) {
return TCL_ERROR;
}
then link with libBLT.a. And that's all there's to it.
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