diff --git a/fake_sort.hpp b/fake_sort.hpp
old mode 100755
new mode 100644
diff --git a/function_requires_fail.cpp b/function_requires_fail.cpp
old mode 100755
new mode 100644
diff --git a/include/boost/concept/detail/concept_undef.hpp b/include/boost/concept/detail/concept_undef.hpp
old mode 100755
new mode 100644
diff --git a/include/boost/concept_check.hpp b/include/boost/concept_check.hpp
index 292f37d..2d6fa32 100644
--- a/include/boost/concept_check.hpp
+++ b/include/boost/concept_check.hpp
@@ -818,9 +818,8 @@ namespace boost
       BOOST_CONCEPT_USAGE(Sequence)
       {
           S
-              c(n),
-              c2(n, t),
-              c3(first, last);
+              c(n, t),
+              c2(first, last);
 
           c.insert(p, t);
           c.insert(p, n, t);
@@ -833,7 +832,6 @@ namespace boost
 
           ignore_unused_variable_warning(c);
           ignore_unused_variable_warning(c2);
-          ignore_unused_variable_warning(c3);
           ignore_unused_variable_warning(r);
           const_constraints(c);
       }
diff --git a/include/boost/concept_check/borland.hpp b/include/boost/concept_check/borland.hpp
old mode 100755
new mode 100644
diff --git a/include/boost/concept_check/general.hpp b/include/boost/concept_check/general.hpp
old mode 100755
new mode 100644
diff --git a/include/boost/concept_check/has_constraints.hpp b/include/boost/concept_check/has_constraints.hpp
old mode 100755
new mode 100644
diff --git a/include/boost/concept_check/msvc.hpp b/include/boost/concept_check/msvc.hpp
old mode 100755
new mode 100644
diff --git a/meta/libraries.json b/meta/libraries.json
new file mode 100644
index 0000000..480b9c8
--- /dev/null
+++ b/meta/libraries.json
@@ -0,0 +1,15 @@
+{
+    "key": "concept_check",
+    "name": "Concept Check",
+    "authors": [
+        "Jeremy Siek"
+    ],
+    "description": "Tools for generic programming.",
+    "category": [
+        "Correctness",
+        "Generic"
+    ],
+    "maintainers": [
+        "Jeremy Siek <jeremy.siek -at- gmail.com>"
+    ]
+}
diff --git a/old_concept_class_fail.cpp b/old_concept_class_fail.cpp
old mode 100755
new mode 100644
diff --git a/old_concept_function_fail.cpp b/old_concept_function_fail.cpp
old mode 100755
new mode 100644
diff --git a/old_concept_pass.cpp b/old_concept_pass.cpp
old mode 100755
new mode 100644
diff --git a/old_concepts.hpp b/old_concepts.hpp
old mode 100755
new mode 100644
diff --git a/stl_concept_covering.cpp b/stl_concept_covering.cpp
index 338d23f..6d3144d 100644
--- a/stl_concept_covering.cpp
+++ b/stl_concept_covering.cpp
@@ -3,6 +3,9 @@
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
+// This file doesn't work on other compilers.
+#if defined(__GNUC__) || defined(__KCC)
+
 #include <algorithm>
 #include <numeric>
 #include <boost/config.hpp>
@@ -905,3 +908,9 @@ main()
   }
   return 0;
 }
+
+#else
+
+int main() {}
+
+#endif
diff --git a/usage_fail.cpp b/usage_fail.cpp
old mode 100755
new mode 100644
diff --git a/where.cpp b/where.cpp
old mode 100755
new mode 100644
diff --git a/where_fail.cpp b/where_fail.cpp
old mode 100755
new mode 100644