gecko-dev/tools/module-deps/README
cls%seawood.org d7aca2a1bb Update module-deps meta files with the latest module data.
Remove the hardcoded module2dir mapping and use the results from echo-requires-recursive instead.
Add README which briefly explains how module-deps is supposed to work.
Add XSLT hacks to modules.mk.footer.
Add cygdrive hacks to modules.mk.stub.
Force string & embedstring to be built after xpcom since they now live in the xpcom hierarchy.
2003-08-15 22:37:25 +00:00

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Here's a brief "how this works" doc to refresh my memory when I look at this in another 8 months.
The files:
all.dot - A dependency list of all of the modules in the current tree.
- Generated by running module-graph.pl on an existing build tree.
- Only contains the dependencies for the platform it was run on
(Bug 185188)
allmakefiles.stub - This is the stub portion of allmakefiles.sh which is used
when running bootstrap.pl so that only specific Makefiles are generated
bootstrap.pl - This script was originally designed to use the results from
module-graph.pl to create a cvs checkout list & build order and to
build the tree using those lists. It has been modified to be able to
update the standard allmakefiles.sh & modules.mk files to track module
changes as well.
extra.dot - This file contains a mapping of additional module dependencies
which could not be found by module-graph.pl.
force_order.txt - This file contains hard ordering rules for use with
module-graph.pl's --force-order command line option.
meta.dot - This generated file is the combination of all.dot & extra.dot and
is used when creating allmakefiles.sh & modules.mk.
module2dir.map - This file contains the mapping of the modules and their
dependencies based upon the directory. This file is created by
running 'make -s echo-requires-recursively _REPORT_ALL_DIRS=1 > file'
on an existing tree.
module-graph.pl - Outputs a Graphviz-compatible graph description file.
It can output a dependency graph based upon an existing description
file or it can generate a new one based upon the values of MODULE &
REQUIRES in Makefiles in an existing tree.
modules.mk.footer - Footer for generated modules.mk
modules.mk.stub - Header for generated mdoules.mk
How to regenerate allmakefiles.sh & modules.mk when modules change:
cd $MOZ_OBJDIR
perl ../mozilla/tools/module-deps/module-graph.pl > ../mozilla/tools/module-deps/all.dot
make -s echo-requires-recursive _REPORT_ALL_DIRS=1 > ../mozilla/tools/module-deps/module2dir.map
cd ../mozilla
perl tools/module-deps/bootstrap.pl --topsrcdir `pwd` --module-file-only