def show_usage():
print 'buildtool -- a tool for building packages.'
print
print 'Usage: buildtool action [target]'
print
print wrap_for_usage('Actions: ', build_action_map().keys())
print
print wrap_for_usage('Targets: ', packageinfo.get_packages())
print
print 'See supplied README file for more details.'
def do_generate_makefile():
dependency_map = {}
for name in packageinfo.get_packages():
info = packageinfo.get(name)
if info.enabled:
dependency_map.update(info.dependency_map())
names = sorted(dependency_map.iterkeys())
build_targets = add_prefix('build-', names)
clean_targets = add_prefix('clean-', names)
target_file = path.join(packageinfo.get_work_dir(), 'Makefile')
with open(target_file, 'w') as f:
f.write('export BUILDTOOL_PROFILE := %s\n' % _config_profile)
f.write('export BUILDTOOL_BASE_DIR := %s\n\n' % _base_dir)
f.write('buildtool := %s %s\n\n' % (sys.executable, path.abspath(__file__)))
f.write('build := $(buildtool) build\n')
f.write('clean := $(buildtool) clean\n\n')
f.write('_default:\n')
f.write('\t@echo No defaults. Please, specify target to build.\n\n')
f.write('refresh:\n')
f.write('\t@$(buildtool) generate-makefile\n\n')
f.write('clean: %s\n\n' % wrap_for_make(clean_targets))
for name, target in zip(names, build_targets):
deps = add_prefix('build-', dependency_map[name])
f.write('%s: %s\n' % (target, wrap_for_make(deps)))
f.write('\t@$(build) %s\n\n' % name)
for name, target in zip(names, clean_targets):
f.write('%s:\n' % target)
f.write('\t@$(clean) %s\n\n' % name)
f.write('.PHONY: _default refresh clean\n')
f.write('.PHONY: %s\n' % wrap_for_make(build_targets))
f.write('.PHONY: %s\n' % wrap_for_make(clean_targets))
