pgsql Windows installer fixed registry key

Hello

I am currently working on creating a build system for an open source portable
project that should be able to build the project on many platforms, POSIX and
non-POSIX such as Windows. Our project has the option for using PostgreSQL.

Searching for PostgreSQL includes/libraries is very easy on POSIX and Unices
but on Windows one has usually 3 options:
- have a relative location to the project source tree where those should be
found (like a $project-root/pgsql)
- have the user specify the location to them
- try to read the location from registry settings

Note that these methods do not exclude eachover.

The pgsql MSI installer does register a registry key but it's random everytime
it installs (probably something MSI choses). I am asking if someone could
make it (also) register a fixed registry key pointing to it's install
location (from which I could locate the includes/library to use when building
our project). This could be useful for other projects too of course. In a
similar way MySQL registers the key
HKEY_LOCAL_MACHINE\SOFTWARE\MySQL AB\MySQL Server 5.0;Location for a 5.0.x
version. Could it be possible to have PostgreSQL installer do something
similar?

Thank you!

--
Mihai RUSU Email: dizzy(at)roedu(dot)net
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