b-jam build scripts... pass 2...

From: Rene Rivera (grafik666_at_[hidden])
Date: 2002-11-08 19:08:32

Recent changes... this is pass 2.

Among many fixes the differences from pass 1 are:

* Per Dave's suggestion the bootstrap scripts (build.bat, and build.sh) can
be used for the build-to-develop task, not just the build-to-install task.
The differences are below...

* build.jam, now understand the "--debug" option. This builds the binary
targets with as much debug info as possible. Including not just debug
symbols, but also turning optimizations off, and inclusion of profile debug
info. The debug version is built to a different directory than the release
so that one can test both release and debug at without interference.

* build.jam, now take "--toolset=<name>" instead of the variable version
"-sBOOST_JAM_TOOLSET=<name>". So the command for build-to-develop is for
example:
./bootstrap.gcc/jam0 --toolset=gcc --debug

* Both build.bat and build.sh changed so that arguments past the first (or
the first on if the first is an option) are passed to jam0 so that one can
do this:
./build.sh gcc --debug
Which bootstraps, and builds the debug version for gcc. Or...
./build.sh --debug
Which guesses the toolset, and builds the debug. Or...
./build.sh -- dist
Which guesses the toolset, builds the release, and packages the distribution
files. Although there are some build bugs that I have to resolve in this one
case :-(

* Rewrote most of build.bat :-) So now it can do things like check the PATH
for executables and check the arguments for options to pass along. Right now
only the borland check does anything interesting with the PATH, but if you
have bcc32 in your path it should find it at least for bootstrap.

The bad news... I looked at reading values from the Windows registry and
this is hard enough to make it useless. There is only one readily available
way to read them but it means a sequence like:
regedit-export--->file--->grep/findstr--->unicode2ascii--->filter-into-BAT

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