From 9fa5f73d00905568e8979d0c93ec4a8f645c81d5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 9 Aug 2016 11:31:53 +0200
Subject: Implement support for C compilation

We now have two new modules: cc (c-common) and c.
---
 build2/cc/install.cxx | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 build2/cc/install.cxx

(limited to 'build2/cc/install.cxx')

diff --git a/build2/cc/install.cxx b/build2/cc/install.cxx
new file mode 100644
index 0000000..b674886
--- /dev/null
+++ b/build2/cc/install.cxx
@@ -0,0 +1,70 @@
+// file      : build2/cc/install.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build2/cc/install>
+
+#include <build2/bin/target>
+
+#include <build2/cc/link>    // match()
+#include <build2/cc/utility>
+
+using namespace std;
+
+namespace build2
+{
+  namespace cc
+  {
+    using namespace bin;
+
+    install::
+    install (data&& d, const link& l): common (move (d)), link_ (l) {}
+
+    target* install::
+    filter (action a, target& t, prerequisite_member p) const
+    {
+      if (t.is_a<exe> ())
+      {
+        // Don't install executable's prerequisite headers.
+        //
+        if (x_header (p))
+          return nullptr;
+      }
+
+      // If this is a shared library prerequisite, install it as long as it
+      // is in the same amalgamation as we are.
+      //
+      // @@ Shouldn't we also install a static library prerequisite of a
+      //    static library?
+      //
+      if ((t.is_a<exe> () || t.is_a<libs> ()) &&
+          (p.is_a<lib> () || p.is_a<libs> ()))
+      {
+        target* pt (&p.search ());
+
+        // If this is the lib{} group, pick a member which we would link.
+        //
+        if (lib* l = pt->is_a<lib> ())
+          pt = &link_member (*l, link_order (t.base_scope (), link_type (t)));
+
+        if (pt->is_a<libs> ()) // Can be liba{}.
+          return pt->in (t.weak_scope ()) ? pt : nullptr;
+      }
+
+      return file_rule::filter (a, t, p);
+    }
+
+    match_result install::
+    match (action a, target& t, const string& hint) const
+    {
+      // @@ How do we split the hint between the two?
+      //
+
+      // We only want to handle installation if we are also the
+      // ones building this target. So first run link's match().
+      //
+      match_result r (link_.match (a, t, hint));
+      return r ? install::file_rule::match (a, t, "") : r;
+    }
+  }
+}
-- 
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