From 0d0d9a9c56822919e9794658d31db57f8fc3e2bf Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 10 Dec 2015 13:54:59 +0200
Subject: Implement two-phase initialization of modules loaded from
 bootstrap.build

---
 build/install/module     |  3 +++
 build/install/module.cxx | 19 ++++++++++++-------
 2 files changed, 15 insertions(+), 7 deletions(-)

(limited to 'build/install')

diff --git a/build/install/module b/build/install/module
index 78004ef..7a814c8 100644
--- a/build/install/module
+++ b/build/install/module
@@ -14,6 +14,9 @@ namespace build
 {
   namespace install
   {
+    extern "C" void
+    install_boot (scope&, const location&, unique_ptr<module>&);
+
     extern "C" bool
     install_init (
       scope&, scope&, const location&, unique_ptr<module>&, bool, bool);
diff --git a/build/install/module.cxx b/build/install/module.cxx
index f8f7d73..204bddd 100644
--- a/build/install/module.cxx
+++ b/build/install/module.cxx
@@ -99,6 +99,18 @@ namespace build
     static alias_rule alias_;
     static file_rule file_;
 
+    extern "C" void
+    install_boot (scope& r, const location&, unique_ptr<module>&)
+    {
+      tracer trace ("install::boot");
+
+      level5 ([&]{trace << "for " << r.out_path ();});
+
+      // Register the install operation.
+      //
+      r.operations.insert (install_id, install);
+    }
+
     extern "C" bool
     install_init (scope& r,
                   scope& b,
@@ -109,9 +121,6 @@ namespace build
     {
       tracer trace ("install::init");
 
-      if (&r != &b)
-        fail (l) << "install module must be initialized in bootstrap.build";
-
       if (!first)
       {
         warn (l) << "multiple install module initializations";
@@ -132,10 +141,6 @@ namespace build
         v.find ("install", dir_path_type);
       }
 
-      // Register the install operation.
-      //
-      r.operations.insert (install_id, install);
-
       // Register our alias and file installer rule.
       //
       b.rules.insert<alias> (perform_install_id, "install.alias", alias_);
-- 
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