diff --git a/Cantera/src/SConscript b/Cantera/src/SConscript
index 7d557761e..e9c4098ae 100644
--- a/Cantera/src/SConscript
+++ b/Cantera/src/SConscript
@@ -6,7 +6,7 @@ localenv = env.Clone()
 # (subdir, library name, (file extensions))
 libs = [('base', 'ctbase', ['cpp']),
         ('thermo', 'thermo', ['cpp']),
-        ('equil', 'equil', ['cpp']),
+        ('equil', 'equil', ['cpp','c']),
         ('converters', 'converters', ['cpp']),
         ('numerics', 'ctnumerics', ['cpp']),
         ('kinetics', 'kinetics', ['cpp']),
diff --git a/SConstruct b/SConstruct
index a15ff9045..bb884afc5 100644
--- a/SConstruct
+++ b/SConstruct
@@ -195,7 +195,7 @@ opts.AddVariables(
     BoolVariable(
         'with_vcsnonideal',
         """Enable vcs equilibrium package for nonideal phases""",
-        False),
+        True),
     BoolVariable(
         'enable_transport',
         'Enable transport property calculations.',
@@ -507,7 +507,7 @@ cdefine('WITH_STOICH_SUBSTANCE', 'with_stoich_substance')
 cdefine('WITH_SEMICONDUCTOR', 'with_semiconductor')
 cdefine('WITH_PRIME', 'with_prime')
 cdefine('H298MODIFY_CAPABILITY', 'with_n298modify_capability')
-cdefine('WITH_PURE_FLUIDS', 'with_pure_fluids5A')
+cdefine('WITH_PURE_FLUIDS', 'with_pure_fluids')
 cdefine('WITH_HTML_LOGS', 'with_html_log_files')
 cdefine('WITH_VCSNONIDEAL', 'with_vcsnonideal')