diff --git a/utils/mdldec/wscript b/utils/mdldec/wscript
new file mode 100644
index 00000000..7b5d7e18
--- /dev/null
+++ b/utils/mdldec/wscript
@@ -0,0 +1,33 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# a1batross, mittorn, 2018
+
+def options(opt):
+	# TODO: any options for mdldec?
+	grp = opt.get_option_group('Utilities options')
+
+	grp.add_option('--disable-utils-mdldec', action = 'store_true', dest = 'DISABLE_UTILS_MDLDEC', default = False,
+                help = 'disable studio model decompiler utility [default: %default]')
+
+def configure(conf):
+	conf.env.DISABLE_UTILS_MDLDEC = conf.options.DISABLE_UTILS_MDLDEC
+
+def build(bld):
+	if bld.env.DISABLE_UTILS_MDLDEC:
+		return
+
+	source = bld.path.ant_glob('*.c')
+	includes = '. ../../common ../../engine ../../engine/common ../../engine/common/imagelib ../../public'
+	libs = [ 'public', 'M' ]
+
+	bld(
+		source   = source,
+		target   = 'mdldec',
+		features = 'c cprogram',
+		includes = includes,
+		use      = libs,
+		install_path = bld.env.BINDIR,
+		subsystem = bld.env.MSVC_SUBSYSTEM
+	)
+
+	bld.install_files(bld.env.SHAREDIR, 'res/activities.txt')
diff --git a/wscript b/wscript
index 6334ac70..1f4ecb04 100644
--- a/wscript
+++ b/wscript
@@ -20,11 +20,12 @@ class Subproject:
 	ignore    = False # if true will be ignored, set by user request
 	mandatory  = False
 
-	def __init__(self, name, dedicated=True, singlebin=False, mandatory = False):
+	def __init__(self, name, dedicated=True, singlebin=False, mandatory = False, utility = False):
 		self.name = name
 		self.dedicated = dedicated
 		self.singlebin = singlebin
 		self.mandatory = mandatory
+		self.utility = utility
 
 	def is_enabled(self, ctx):
 		if not self.mandatory:
@@ -43,6 +44,9 @@ class Subproject:
 		if ctx.env.DEDICATED and self.dedicated:
 			return False
 
+		if self.utility and not ctx.env.ENABLE_UTILS:
+			return False
+
 		return True
 
 SUBDIRS = [
@@ -56,6 +60,7 @@ SUBDIRS = [
 	Subproject('stub/client'),
 	Subproject('dllemu'),
 	Subproject('engine', dedicated=False),
+	Subproject('utils/mdldec', utility=True)
 ]
 
 def subdirs():
@@ -85,6 +90,11 @@ def options(opt):
 	grp.add_option('--ignore-projects', action = 'store', dest = 'IGNORE_PROJECTS', default = None,
 		help = 'disable selected projects from build [default: %default]')
 
+	grp = opt.add_option_group('Utilities options')
+
+	grp.add_option('--enable-utils', action = 'store_true', dest = 'ENABLE_UTILS', default = False,
+		help = 'enable building various development utilities [default: %default]')
+
 	opt.load('compiler_optimizations subproject')
 
 	for i in SUBDIRS:
@@ -220,6 +230,7 @@ def configure(conf):
 		# include portable stdint by Paul Hsich
 		conf.define('STDINT_H', 'pstdint.h')
 
+	conf.env.ENABLE_UTILS  = conf.options.ENABLE_UTILS
 	conf.env.DEDICATED     = conf.options.DEDICATED
 	conf.env.SINGLE_BINARY = conf.options.SINGLE_BINARY or conf.env.DEDICATED
 	if conf.env.DEST_OS == 'dos':
@@ -271,8 +282,9 @@ def configure(conf):
 	# indicate if we are packaging for Linux/BSD
 	if not conf.options.WIN_INSTALL and conf.env.DEST_OS not in ['win32', 'darwin', 'android']:
 		conf.env.LIBDIR = conf.env.BINDIR = '${PREFIX}/lib/xash3d'
+		conf.env.SHAREDIR = '${PREFIX}/share/xash3d'
 	else:
-		conf.env.LIBDIR = conf.env.BINDIR = conf.env.PREFIX
+		conf.env.SHAREDIR = conf.env.LIBDIR = conf.env.BINDIR = conf.env.PREFIX
 
 	conf.define('XASH_BUILD_COMMIT', conf.env.GIT_VERSION if conf.env.GIT_VERSION else 'notset')
 	conf.define('XASH_LOW_MEMORY', conf.options.LOW_MEMORY)