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ZLIB version 1.2.11 for OS/400 installation instructions
1) Download and unpack the zlib tarball to some IFS directory.
(i.e.: /path/to/the/zlib/ifs/source/directory)
If the installed IFS command suppors gzip format, this is straightforward,
else you have to unpack first to some directory on a system supporting it,
then move the whole directory to the IFS via the network (via SMB or FTP).
2) Edit the configuration parameters in the compilation script.
EDTF STMF('/path/to/the/zlib/ifs/source/directory/os400/')
Tune the parameters according to your needs if not matching the defaults.
Save the file and exit after edition.
3) Enter qshell, then work in the zlib OS/400 specific directory.
cd /path/to/the/zlib/ifs/source/directory/os400
4) Compile and install
The script will:
- create the libraries, objects and IFS directories for the zlib environment,
- compile all modules,
- create a service program,
- create a static and a dynamic binding directory,
- install header files for C/C++ and for ILE/RPG, both for compilation in
DB2 and IFS environments.
That's all.
Notes: For OS/400 ILE RPG programmers, a /copy member defining the ZLIB
API prototypes for ILE RPG can be found in ZLIB/H(ZLIB.INC).
In the ILE environment, the same definitions are available from
file located in the same IFS include directory as the
C/C++ header files.
Please read comments in this member for more information.
Remember that most foreign textual data are ASCII coded: this
implementation does not handle conversion from/to ASCII, so
text data code conversions must be done explicitely.
Mainly for the reason above, always open zipped files in binary mode.