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// file : build/config/module.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <build/config/module>
#include <butl/filesystem>
#include <build/file>
#include <build/rule>
#include <build/scope>
#include <build/diagnostics>
#include <build/config/operation>
using namespace std;
using namespace butl;
namespace build
{
namespace config
{
//@@ Same as in operation.cxx
//
static const path config_file ("build/config.build");
extern "C" void
config_init (scope& r,
scope& b,
const location& l,
std::unique_ptr<module>&,
bool first)
{
tracer trace ("config::init");
if (&r != &b)
fail (l) << "config module must be initialized in bootstrap.build";
if (!first)
{
warn (l) << "multiple config module initializations";
return;
}
const dir_path& out_root (r.path ());
level4 ([&]{trace << "for " << out_root;});
// Register meta-operations.
//
r.meta_operations.insert (configure_id, configure);
r.meta_operations.insert (disfigure_id, disfigure);
// Register alias and fallback rule for the configure meta-operation.
//
r.rules.insert<alias> (configure_id, 0, "alias", alias_rule::instance);
r.rules.insert<target> (configure_id, 0, "", fallback_rule::instance);
// Load config.build if one exists.
//
path f (out_root / config_file);
if (file_exists (f))
source (f, r, r);
}
}
}
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