2 files changed, 4 insertions, 3 deletions
diff --git a/var/spack/repos/builtin/packages/libjson-c/package.py b/var/spack/repos/builtin/packages/libjson-c/package.py
index 75f3e130ad..662ed3cb5a 100644
--- a/var/spack/repos/builtin/packages/libjson-c/package.py
+++ b/var/spack/repos/builtin/packages/libjson-c/package.py
@@ -24,6 +24,7 @@
 ##############################################################################
 from spack import *
 
+
 class LibjsonC(Package):
     """ A JSON implementation in C """
     homepage = "https://github.com/json-c/json-c/wiki"
@@ -34,5 +35,5 @@ class LibjsonC(Package):
     def install(self, spec, prefix):
         configure('--prefix=%s' % prefix)
 
-        make()
+        make(parallel=False)
         make("install")
diff --git a/var/spack/repos/builtin/packages/lua/package.py b/var/spack/repos/builtin/packages/lua/package.py
index 761932361b..48c1c6a919 100644
--- a/var/spack/repos/builtin/packages/lua/package.py
+++ b/var/spack/repos/builtin/packages/lua/package.py
@@ -140,11 +140,11 @@ class Lua(Package):
 
     @property
     def lua_lib_dir(self):
-        return os.path.join('lib', 'lua', '%d.%d' % self.version[:2])
+        return os.path.join('lib', 'lua', self.version.up_to(2))
 
     @property
     def lua_share_dir(self):
-        return os.path.join('share', 'lua', '%d.%d' % self.version[:2])
+        return os.path.join('share', 'lua', self.version.up_to(2))
 
     def setup_dependent_package(self, module, ext_spec):
         """