File: PACKAGING

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PACKAGING SaVi FOR RELEASES AND BINARY DISTRIBUTION
==================================================
$Id: PACKAGING,v 1.24 2016/09/03 03:39:36 lloydwood Exp $

1. Packaging SaVi for binary distribution
2. Packaging SaVi for releases



1. PACKAGING SAVI FOR BINARY DISTRIBUTION
=========================================

If you're packaging SaVi to release a .rpm, .deb or similar, great!
Please go ahead. I hope that the following notes will be helpful.
If these notes could be improved, please let me know.

SaVi requires Tcl and Tk as package dependencies. Most makefiles and
savi launch script expect 8.5, but any version of 8.x can be compiled with.
You will want to compile SaVi with zlib (steps are detailed in
README-COVERAGE-TEXTUREMAP) and have zlib as an additional package dependency.
geomview and gifsicle are optional dependencies.

Once you have compiled SaVi, check that the SaVi help menu's 'About SaVi...'
dialog indicating the compilation date and build source is suitable.

Once SaVi has been built, the only directory that is safe to remove is src/
(and src/include). All other directories are used by the SaVi executable.
You will want to remove the .geomview file if having invisible files in
a package is undesirable.

SaVi users progress with time from reading the manual and helpfiles to reading
scripts in data/ before copying scripts and editing them to create their own,
so these all need to be in one place - the savi directory. Textfiles are loaded
in by the executable for its help menu, and are linked to from the manual in
manual/ - please do not remove these, though making additional copies
elsewhere is fine, and they can be loaded in by adjusting $SAVI where indicated
near the end of the launch script. In the top-level directory, only the
Makefile, configure, and PACKAGING files are now redundant. Makefiles can be
removed from all directories and subdirectories (src/include and manual/images).

In bin/ two copies of the SaVi binary are deliberately created on
compilation, as bin/SaVi and bin/SaVi-arch.bin.
This can allow multiple binary architectures to coexist with different arch
names, with the more recent build overwriting bin/SaVi. (SaVi can't make
assumptions about the availability of symlinks, and creating bin/SaVi
supports src/Makefile_defs_anything and 'make ARCH=anything'.) If packaging
for one binary platform, you can delete one executable to save space.
On Mac OS X, keeping bin/SaVi is preferred, as the executable name is shown
in the menubar as the application name.

To create a 64-bit package, you could 'make ARCH=x86_64' (or just make)
on a 64-bit linux system -- but the savi launch script will give an
ARCH=linux -linux.bin executable precedence over an -x86-64.bin executable.
Although the platform where -x86-64.bin was built reported itself as 64-bit,
we don't know about the compile chain or where the binary is run, and
defaulting to 32-bit appears safest.

The detailed Earth map is freely available from NASA's Blue Marble project.
This unprojected map is in
  oogl/blue_marble_land_shallow_topo_2048.jpeg
and is loaded by oogl/earth_fancy.oogl and checked for by src/gv_init.c.
Geomview requires the jpegtopnm utility, from the netpbm package
available at http://netpbm.sourceforge.net/
in its path to unpack this image into a less space-efficient format.
Since that is a Geomview dependency, Geomview use is optional
with SaVi, and use of the detailed Earth map is optional with Geomview,
SaVi only includes the compact .jpeg file.



2. PACKAGING SaVi FOR RELEASES
==============================

This is an aide-memoire for the SaVi maintainers when preparing development
for release. Don't package on Mac OS X, to avoid invisible files.

If repackaging to fix a packaging problem with version a/b/c,
include a RELEASE-NOTE file indicating changes. Do not change VERSION.
Individual files may be replaced with files from CVS, or have CVS
information removed should changes warrant.

a. Delete /savi-dev and pull a fresh copy from the CVS repository.
b. Mark CVS HEAD with cvs tag savi_1_5_X. Commit.
c. Edit end of README to indicate version and major changes.
d. Update VERSION to X+1 development, commit.
e. Delete and pull another fresh copy to avoid e.g. editing backup files.
f. Remove all CVS directories. Remember src/include/CVS, manual/images/CVS.
   \rm -fr CVS; \rm -fr */CVS; \rm -fr */*/CVS
g. Edit VERSION to indicate release and give date.
h. Edit src/Makefile to comment DEBUGFLAGS lines. Delete CVS Id line.
i. Edit configure script variable to indicate version. Delete CVS Id line.
j. Rename savi-dev/ to savi1.5.X/ to indicate version.
k. Check for unneeded executable bits on all source files, e.g.
   chmod -x tcl/sunlight.tcl, src/sun.c, manual/index.html, manual/images/*,
   data/o3b-networks.tcl, data/skybridge-80.tcl, data/us-patent-*, maps/*
   (since permissions can't be fixed in the CVS original).
l. touch -t all directories with a suitable timestamp, starting with
   src/include, ending with savi1.5.X. Also touch configure and VERSION.
m. Create tarball (tar cvf savi1.5.X-release.tar savi1.5.X), touch, gzip -9.
n. tar xvfz elsewhere and build to check all works.
o. Pull copy of savi-dev/ from CVS and build for further work.
p. Put tarball on sourceforge, local webpages, update pages.
q. Announce on mailing lists etc. Announce on SourceForge blog.
   Announce on SourceForge News: http://sourceforge.net/p/savi/news/
   Announce on fresh(code): http://freshcode.club
   


Lloyd Wood
lloydwood@users.sourceforge.net