How your Developer's Kit was built

The files in your Developer's Kit distribution are compiled with the following options to configure (the line is only split so that it fits on the printed page; it is intended as a single command line):

configure --prefix=/usr/cygnus/progressive-release \
 --exec-prefix=/usr/cygnus/progressive-release/H-hosttype

where release indicates the Cygnus release number for this distribution, e.g., `94q4', and hosttype indicates the architecture and operating system configuration on which this software is to run, e.g., `sparc-sun-sunos4.1.3' (see section Host names). Cross-development distributions are configured with

configure --prefix=/usr/cygnus/progressive-release \
 --exec-prefix=/usr/cygnus/progressive-release/H-hosttype \
 --target=target

where target indicates the architecture and object file format for which the Developer's Kit is to generate code (see section Target names).

In other words, in both native and cross-development configurations, host-independent files (text files, library source code, etc.) reside by default in

/usr/cygnus/progressive-release

while host-dependent files, like precompiled libraries and the tools themselves, reside by default in

/usr/cygnus/progressive-release/H-hosttype

For example, the Sun 4 cross `m68k-aout' cross-compiler for the Progressive 94q4 release was configured with

configure --prefix=/usr/cygnus/progressive-94q4 \
 --exec-prefix=/usr/cygnus/progressive-94q4/H-sparc-sun-sunos4.1.3 \
 --target=m68k-aout

Installation

The installation procedure directs you to run the Install script and then set some links in place so that the distribution may be easily accessed and updated (see section `Installing your Developer's Kit' in Installation Notes) as follows:

ln -s /usr/cygnus/progressive-release /usr/cygnus/progressive
ln -s /usr/cygnus/progressive/H-hosttype /usr/progressive

This combination of a separate links provide the following benefits:

• Access is granted to anyone who puts `/usr/progressive/bin' in her or his path
• Updating is simplified; when you install a new Developer's Kit (with a different value for release), you only need to change the link `/usr/cygnus/progressive' to bring the new toolkit online
• Installed toolkits for multiple platforms can coexist in the same location and share host-independent files, conserving disk space and easing maintenance; if you install the toolkit for more than one platform, `/usr/progressive' on each platform points to the host-dependent files for that platform, yet the host-independent files are shared (see section The Heterogeneous Updateable Toolkit)

For more details on installing the default binary distribution from Cygnus Support, see section `Installing your Developer's Kit' in Installation Notes.