Build: Fixed GiveFnptrsToDll not being found on Windows

Also fixed server DLL being named server.dll instead of hl.dll.

dlls/wscript

@@ -10,8 +10,15 @@ def options(opt):
 	return
 
 def configure(conf):
-	# stub
+	if conf.env.DEST_OS == 'win32':
-	return
+		# hl.def removes MSVC function name decoration from GiveFnptrsToDll on Windows.
+		# Without this, the lookup for this function fails.
+		hlDefNode = conf.path.find_resource("./hl.def")
+
+		if hlDefNode is not None:
+			conf.env.append_unique('LINKFLAGS', f'/def:{hlDefNode.abspath()}')
+		else:
+			conf.fatal("Could not find hl.def")
 
 def build(bld):
 	defines = []
@@ -61,7 +68,7 @@ def build(bld):
 
 	bld.shlib(
 		source   = source,
-		target   = 'server',
+		target   = bld.env.SERVER_NAME,
 		features = 'c cxx',
 		includes = includes,
 		defines  = defines,

wscript

@@ -40,14 +40,13 @@ def options(opt):
 	grp.add_option('--enable-poly-opt', action = 'store_true', dest = 'POLLY', default = False,
 		help = 'enable polyhedral optimization if possible [default: %default]')
 
-
-	opt.recurse('cl_dll dlls')
-
 	opt.load('xcompile compiler_cxx compiler_c clang_compilation_database strip_on_install')
+
 	if sys.platform == 'win32':
 		opt.load('msvc msdev msvs')
-	opt.load('reconfigure')
 
+	opt.load('reconfigure subproject')
+	opt.add_subproject(["cl_dll", "dlls"])
 
 def configure(conf):
 	# Configuration
@@ -220,10 +219,10 @@ def configure(conf):
 
 	conf.define('CLIENT_WEAPONS', '1')
 
-	conf.recurse('cl_dll dlls')
+	conf.add_subproject(["cl_dll", "dlls"])
 
 def build(bld):
-	bld.recurse('cl_dll dlls')
+	bld.add_subproject(["cl_dll", "dlls"])