From 323285f97a1a6fe2628f818371a8b03f233dd036 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 29 Sep 2012 23:22:26 +0300
Subject: [PATCH] Support specifying library modes on a per-library basis

---
 source/binary.cpp    |  3 +--
 source/buildinfo.cpp | 16 ++++++++++++++++
 source/buildinfo.h   |  8 ++++++++
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/source/binary.cpp b/source/binary.cpp
index d56ab17..5856c19 100644
--- a/source/binary.cpp
+++ b/source/binary.cpp
@@ -31,8 +31,6 @@ void Binary::find_dependencies()
 	if(!component)
 		return;
 
-	BuildInfo::LibraryMode libmode = component->get_build_info().libmode;
-
 	list<const Component *> queue;
 	list<Target *> dep_libs;
 	queue.push_back(component);
@@ -44,6 +42,7 @@ void Binary::find_dependencies()
 		const BuildInfo &binfo = c->get_build_info();
 		for(BuildInfo::WordList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
 		{
+			BuildInfo::LibraryMode libmode = component->get_build_info().get_libmode_for(*i);
 			Target *lib = builder.get_vfs().find_library(*i, binfo.libpath, libmode);
 			if(lib)
 			{
diff --git a/source/buildinfo.cpp b/source/buildinfo.cpp
index c02d115..ad06ed8 100644
--- a/source/buildinfo.cpp
+++ b/source/buildinfo.cpp
@@ -36,6 +36,14 @@ BuildInfo::BuildInfo():
 	fatal_warnings(false)
 { }
 
+BuildInfo::LibraryMode BuildInfo::get_libmode_for(const string &lib) const
+{
+	LibModeMap::const_iterator i = libmodes.find(lib);
+	if(i!=libmodes.end())
+		return i->second;
+	return libmode;
+}
+
 void BuildInfo::update_from(const BuildInfo &bi, UpdateLevel level)
 {
 	for(DefineMap::const_iterator i=bi.defines.begin(); i!=bi.defines.end(); ++i)
@@ -50,6 +58,8 @@ void BuildInfo::update_from(const BuildInfo &bi, UpdateLevel level)
 	if(level==LOCAL)
 	{
 		libmode = bi.libmode;
+		for(LibModeMap::const_iterator i=bi.libmodes.begin(); i!=bi.libmodes.end(); ++i)
+			libmodes[i->first] = i->second;
 		debug = bi.debug;
 		optimize = bi.optimize;
 		strip = bi.strip;
@@ -72,6 +82,7 @@ BuildInfo::Loader::Loader(BuildInfo &bi):
 	add("libpath",  &Loader::libpath);
 	add("library",  &Loader::library);
 	add("libmode",  &BuildInfo::libmode);
+	add("libmode",  &Loader::libmode_for_lib);
 	add("optimize", &BuildInfo::optimize);
 	add("strip",    &BuildInfo::strip);
 	add("threads",  &BuildInfo::threads);
@@ -89,6 +100,11 @@ void BuildInfo::Loader::define(const string &d, const string &v)
 	obj.defines[d] = v;
 }
 
+void BuildInfo::Loader::libmode_for_lib(const string &l, LibraryMode m)
+{
+	obj.libmodes[l] = m;
+}
+
 void BuildInfo::Loader::libpath(const string &s)
 {
 	obj.libpath.push_back(s);
diff --git a/source/buildinfo.h b/source/buildinfo.h
index 595fe1a..e0ff0bf 100644
--- a/source/buildinfo.h
+++ b/source/buildinfo.h
@@ -28,6 +28,7 @@ public:
 	private:
 		void incpath(const std::string &);
 		void define(const std::string &, const std::string &);
+		void libmode_for_lib(const std::string &, LibraryMode);
 		void libpath(const std::string &);
 		void library(const std::string &);
 	};
@@ -68,12 +69,14 @@ public:
 	typedef std::map<std::string, std::string> DefineMap;
 	typedef std::list<Msp::FS::Path> PathList;
 	typedef std::list<std::string> WordList;
+	typedef std::map<std::string, LibraryMode> LibModeMap;
 
 	DefineMap defines;
 	PathList incpath;
 	PathList libpath;
 	WordList libs;
 	Tracked<LibraryMode> libmode;
+	LibModeMap libmodes;
 	Tracked<bool> threads;
 	Tracked<bool> debug;
 	Tracked<int> optimize;
@@ -83,6 +86,11 @@ public:
 
 	BuildInfo();
 
+	/** Returns the library mode for linking a particular library.  If no mode
+	has been specified for that library, the the global library mode is
+	returned. */
+	LibraryMode get_libmode_for(const std::string &) const;
+
 	/** Updates the BuildInfo from another one.  Lists are concatenated, with
 	the first occurrence of each item preserved.  Scalars are overwritten.
 	
-- 
2.45.2