From 0ed26123e367945c740c46be27f800e27a750b20 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <randomdan@akira.random.lan>
Date: Thu, 4 Dec 2014 00:07:24 +0000
Subject: Load compiled libraries individually

---
 project2/ice/iceBase.cpp    |  2 +-
 project2/ice/iceBase.h      |  2 +-
 project2/ice/iceCompile.cpp | 16 ++++++++++++----
 project2/ice/iceCompile.h   |  5 ++++-
 project2/ice/iceDaemon.h    |  4 ----
 5 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/project2/ice/iceBase.cpp b/project2/ice/iceBase.cpp
index 0171f1b..ce50782 100644
--- a/project2/ice/iceBase.cpp
+++ b/project2/ice/iceBase.cpp
@@ -25,7 +25,7 @@ class WaitAndLoad : public boost::static_visitor<> {
 			lib = boost::get<0>(th)->Open();
 		}
 
-		void operator()(IceCompile::LibHandle) const
+		void operator()(IceCompile::LibHandles) const
 		{
 		}
 
diff --git a/project2/ice/iceBase.h b/project2/ice/iceBase.h
index 06d8994..1d45346 100644
--- a/project2/ice/iceBase.h
+++ b/project2/ice/iceBase.h
@@ -9,7 +9,7 @@
 class IceBase {
 	public:
 		typedef boost::tuple<IceCompile::CPtr, std::thread *> LibCompile;
-		typedef boost::variant<LibCompile, IceCompile::LibHandle> LibPromise;
+		typedef boost::variant<LibCompile, IceCompile::LibHandles> LibPromise;
 		typedef std::vector<LibPromise> Libs;
 		typedef boost::function<IceCompile::CPtr(const std::string &, const IceCompile::Deps &)> GetComponentCompiler;
 
diff --git a/project2/ice/iceCompile.cpp b/project2/ice/iceCompile.cpp
index 74b0b45..fc7e100 100644
--- a/project2/ice/iceCompile.cpp
+++ b/project2/ice/iceCompile.cpp
@@ -106,17 +106,25 @@ void
 IceCompile::Link(const fs::path & in, const fs::path & out) const
 {
 	auto link = stringbf("%s %s -o %s -shared %s", linker, linkeropts, out, in);
-	BOOST_FOREACH(const auto & dep, deps) {
-		link += " " + (tmpdir / dep->OutputName(".so")).string();
-	}
 	Logger()->messagebf(LOG_DEBUG, "link command: %s", link);
 	if (system(link.c_str())) {
 		throw std::runtime_error("link failed");
 	}
 }
 
-IceCompile::LibHandle
+IceCompile::LibHandles
 IceCompile::Open() const
+{
+	LibHandles rtn;
+	BOOST_FOREACH(const auto & dep, deps) {
+		rtn.insert(dep->OpenLib());
+	}
+	rtn.insert(OpenLib());
+	return rtn;
+}
+
+IceCompile::LibHandle
+IceCompile::OpenLib() const
 {
 	void * handle = dlopen((IceCompile::tmpdir / OutputName(".so")).string().c_str(), RTLD_GLOBAL | RTLD_NOW);
 	if (!handle) {
diff --git a/project2/ice/iceCompile.h b/project2/ice/iceCompile.h
index 5e6873a..a66b1d7 100644
--- a/project2/ice/iceCompile.h
+++ b/project2/ice/iceCompile.h
@@ -3,6 +3,7 @@
 
 #include "options.h"
 #include <string>
+#include <set>
 #include <boost/filesystem/path.hpp>
 #include <boost/optional.hpp>
 
@@ -41,7 +42,8 @@ class IceCompile {
 		virtual boost::filesystem::path OutputName(const std::string & type) const = 0;
 
 		typedef boost::shared_ptr<void> LibHandle;
-		LibHandle Open() const;
+		typedef std::set<LibHandle> LibHandles;
+		LibHandles Open() const;
 
 	protected:
 		virtual void Build(const boost::filesystem::path & in, const boost::filesystem::path & out) const = 0;
@@ -54,6 +56,7 @@ class IceCompile {
 		const boost::filesystem::path slice;
 
 	private:
+		LibHandle OpenLib() const;
 		const Deps deps;
 };
 
diff --git a/project2/ice/iceDaemon.h b/project2/ice/iceDaemon.h
index 623da11..1ec9d11 100644
--- a/project2/ice/iceDaemon.h
+++ b/project2/ice/iceDaemon.h
@@ -7,10 +7,6 @@
 
 class IceDaemon : public Daemon, IceBase {
 	public:
-		typedef boost::tuple<IceCompile::CPtr, std::thread *> LibCompile;
-		typedef boost::variant<LibCompile, IceCompile::LibHandle> LibPromise;
-		typedef std::vector<LibPromise> Libs;
-
 		IceDaemon(int & argc, char ** argv);
 		virtual ~IceDaemon();
 
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