module ('gnu-gcc-cxx-toolchain', package.seeall)

require "general-cxx-rules"
require "general-gnu-gcc-rules"

local function cxx_static_compile (p_targets, p_sources, p_environment)
	local cmd = "g++ -c " .. p_sources:at (0):full_name ()
	
	for _, itm in ipairs (p_environment:items ('CXX_PATH')) do
		for _, pth in ipairs (dmt.resolve_possible_paths (itm)) do
			cmd = cmd .. " -I" .. pth
		end
	end
	
	-- C_PATH is also valid for C++
	for _, itm in ipairs (p_environment:items ('C_PATH')) do
		for _, pth in ipairs (dmt.resolve_possible_paths (itm)) do
			cmd = cmd .. " -I" .. pth
		end
	end
	
	for _, itm in ipairs (p_environment:items ('CXX_FLAG')) do
		cmd = cmd .. " "..itm
	end
	
	-- C_FLAG is also valid for C++
	for _, itm in ipairs (p_environment:items ('C_FLAG')) do
		cmd = cmd .. " "..itm
	end
	
	return  cmd .. " -o " .. p_targets:at (0):full_name ()
end

local function cxx_shared_compile (p_targets, p_sources, p_environment)
	local cmd = "g++ -c " .. p_sources:at (0):full_name ()
	
	for _, itm in ipairs (p_environment:items ('CXX_PATH')) do
		for _, pth in ipairs (dmt.resolve_possible_paths (itm)) do
			cmd = cmd .. " -I" .. pth
		end
	end
	
	-- C_PATH is also valid for C++
	for _, itm in ipairs (p_environment:items ('C_PATH')) do
		for _, pth in ipairs (dmt.resolve_possible_paths (itm)) do
			cmd = cmd .. " -I" .. pth
		end
	end
	
	for _, itm in ipairs (p_environment:items ('CXX_FLAG')) do
		cmd = cmd .. " "..itm
	end
	
	-- C_FLAG is also valid for C++
	for _, itm in ipairs (p_environment:items ('C_FLAG')) do
		cmd = cmd .. " "..itm
	end
	
	return  cmd .. " -fPIC -o " .. p_targets:at (0):full_name ()
end

local function register_builders ()
	local tcn = dmt.tool_chain ("gnu-gcc")
	tcn:add_builder ("cxx-static-compile", cxx_static_compile)
	tcn:add_builder ("cxx-shared-compile", cxx_shared_compile)
end

function init_module ()
	register_builders ()
end

init_module ()