Change build script and layout to be more consistent with other node C++ modules.

wscript

 # vim: ft=javascript
 import Options
-from os import unlink, symlink, system
+from os import unlink, system
 from os.path import exists, abspath
+from shutil import copy2 as copy
 
-srcdir = "."
-blddir = "build"
-VERSION = "0.0.1"
+TARGET = 'sqlite3_bindings'
+TARGET_FILE = '%s.node' % TARGET
+built = 'build/default/%s' % TARGET_FILE
+dest = 'lib/%s' % TARGET_FILE
 
 def set_options(opt):
   opt.tool_options("compiler_cxx")
@@ -15,6 +17,10 @@ def configure(conf):
   conf.check_tool("compiler_cxx")
   conf.check_tool("compiler_cc")
   conf.check_tool("node_addon")
+  if not conf.check_cfg(package='sqlite3', args='--cflags --libs', uselib_store='SQLITE3'):
+    if not conf.check(lib="sqlite3", libpath=['/usr/local/lib', '/opt/local/lib'], uselib_store="SQLITE3"):
+      conf.fatal('Missing sqlite3');
+  conf.env.append_value('LIBPATH_SQLITE3', '/opt/local/lib');
 
   conf.env.append_value("LIBPATH_MPOOL", abspath("./deps/mpool-2.1.0/"))
   conf.env.append_value("LIB_MPOOL",     "mpool")
@@ -26,28 +32,23 @@ def configure(conf):
 
 def build(bld):
   system("cd deps/mpool-2.1.0/; make");
-
-  sqlite = bld.new_task_gen('cc', 'staticlib')
-  sqlite.ccflags = ["-g", "-fPIC", "-D_FILE_OFFSET_BITS=64", "-D_LARGEFILE_SOURCE", "-Wall"]
-  sqlite.source = "deps/sqlite/sqlite3.c"
-  sqlite.target = "deps/sqlite/sqlite3-bundled"
-  sqlite.name = "sqlite3"
-
-  obj = bld.new_task_gen("cxx", "shlib", "node_addon")
+  obj = bld.new_task_gen("cxx", "shlib", "node_addon", install_path=None)
   obj.cxxflags = ["-g", "-D_FILE_OFFSET_BITS=64", "-D_LARGEFILE_SOURCE", "-Wall"]
-  obj.target = "sqlite3_bindings"
-  obj.source = "src/sqlite3_bindings.cc src/database.cc src/statement.cc"
-  obj.uselib = "MPOOL"
-  obj.uselib_local = "sqlite3"
+  obj.target = TARGET
+  obj.source = "src/sqlite3_bindings.cc"
+  obj.source += " src/database.cc"
+  obj.source += " src/statement.cc"
+  obj.uselib = "SQLITE3 PROFILER MPOOL"
+  start_dir = bld.path.find_dir('lib')
+  # http://www.freehackers.org/~tnagy/wafbook/index.html#_installing_files
+  bld.install_files('${PREFIX}/lib/node/sqlite', start_dir.ant_glob('*'), cwd=start_dir, relative_trick=True)
 
-t = 'sqlite3_bindings.node'
 def shutdown():
-  # HACK to get binding.node out of build directory.
-  # better way to do this?
   if Options.commands['clean']:
-    if exists(t): unlink(t)
+    if exists(TARGET_FILE):
+      unlink(TARGET_FILE)
     system("cd deps/mpool-2.1.0/; make clean");
   else:
-    if exists('build/default/' + t) and not exists(t):
-      symlink('build/default/' + t, t)
+    if exists(built):
+      copy(built, dest)