diff --git a/Makefile b/Makefile
index ec057c54..da5e1260 100644
--- a/Makefile
+++ b/Makefile
@@ -226,8 +226,18 @@ build/janet-%.tar.gz: $(JANET_TARGET) \
 	jpm.1 janet.1 LICENSE CONTRIBUTING.md $(JANET_LIBRARY) $(JANET_STATIC_LIBRARY) \
 	build/doc.html README.md build/c/janet.c build/c/shell.c jpm
 	$(eval JANET_DIST_DIR = "janet-$(shell basename $*)")
-	mkdir -p build/$(JANET_DIST_DIR)
-	cp -r $^ build/$(JANET_DIST_DIR)/
+	mkdir -p build/$(JANET_DIST_DIR)/bin
+	cp $(JANET_TARGET) build/$(JANET_DIST_DIR)/bin/
+	cp jpm build/$(JANET_DIST_DIR)/bin/
+	mkdir -p build/$(JANET_DIST_DIR)/include
+	cp build/janet.h build/$(JANET_DIST_DIR)/include/
+	mkdir -p build/$(JANET_DIST_DIR)/lib/
+	cp $(JANET_LIBRARY) $(JANET_STATIC_LIBRARY) build/$(JANET_DIST_DIR)/lib/
+	mkdir -p build/$(JANET_DIST_DIR)/man/man1/
+	cp janet.1 jpm.1 build/$(JANET_DIST_DIR)/man/man1/
+	mkdir -p build/$(JANET_DIST_DIR)/src/
+	cp build/c/janet.c build/c/shell.c build/$(JANET_DIST_DIR)/src/
+	cp CONTRIBUTING.md build/doc.html LICENSE README.md build/$(JANET_DIST_DIR)/
 	cd build && tar -czvf ../$@ $(JANET_DIST_DIR)
 
 #########################
diff --git a/jpm b/jpm
index ae1d0760..3d1a505d 100755
--- a/jpm
+++ b/jpm
@@ -968,17 +968,18 @@ int main(int argc, const char **argv) {
   (var has-cpp false)
   (def objects
     (seq [src :in sources]
-      (cond
-        (string/has-suffix? ".cpp" src)
-        (let [op (out-path src ".cpp" objext)]
-          (compile-cpp opts src op)
-          (set has-cpp true)
-          op)
-        (string/has-suffix? ".c" src)
-        (let [op (out-path src ".c" objext)]
-          (compile-c opts src op)
-          op)
-        (errorf "unknown source file type: %s, expected .c or .cpp" src))))
+      (def suffix
+        (cond
+          (string/has-suffix? ".cpp" src) ".cpp"
+          (string/has-suffix? ".cc" src) ".cc"
+          (string/has-suffix? ".c" src) ".c"
+          (errorf "unknown source file type: %s, expected .c, .cc, or .cpp" src)))
+      (def op (out-path src suffix objext))
+      (if (= suffix ".c")
+        (compile-c opts src op)
+        (do (compile-cpp opts src op)
+          (set has-cpp true)))
+      op))
 
   (when-let [embedded (opts :embedded)]
     (loop [src :in embedded]
@@ -1016,16 +1017,17 @@ int main(int argc, const char **argv) {
     # Get static objects
     (def sobjects
       (seq [src :in sources]
-        (cond
-          (string/has-suffix? ".cpp" src)
-          (let [op (out-path src ".cpp" sobjext)]
-            (compile-cpp opts src op true)
-            op)
-          (string/has-suffix? ".c" src)
-          (let [op (out-path src ".c" sobjext)]
-            (compile-c opts src op true)
-            op)
-          (errorf "unknown source file type: %s, expected .c or .cpp"))))
+        (def suffix
+          (cond
+            (string/has-suffix? ".cpp" src) ".cpp"
+            (string/has-suffix? ".cc" src) ".cc"
+            (string/has-suffix? ".c" src) ".c"
+            (errorf "unknown source file type: %s, expected .c, .cc, or .cpp" src)))
+        (def op (out-path src suffix sobjext))
+        (if (= suffix ".c")
+          (compile-c opts src op true)
+          (compile-cpp opts src op true))
+        op))
 
     (when-let [embedded (opts :embedded)]
       (loop [src :in embedded]
diff --git a/src/core/specials.c b/src/core/specials.c
index b3cea30a..3688eb72 100644
--- a/src/core/specials.c
+++ b/src/core/specials.c
@@ -251,6 +251,9 @@ static JanetTable *handleattr(JanetCompiler *c, int32_t argn, const Janet *argv)
             case JANET_STRING:
                 janet_table_put(tab, janet_ckeywordv("doc"), attr);
                 break;
+            case JANET_STRUCT:
+                janet_table_merge_struct(tab, janet_unwrap_struct(attr));
+                break;
         }
     }
     return tab;
diff --git a/test/install/project.janet b/test/install/project.janet
index 5f3ce572..e91ad20e 100644
--- a/test/install/project.janet
+++ b/test/install/project.janet
@@ -2,20 +2,24 @@
   :name "testmod")
 
 (declare-native
-    :name "testmod"
-    :source @["testmod.c"])
+  :name "testmod"
+  :source @["testmod.c"])
 
 (declare-native
-    :name "testmod2"
-    :source @["testmod2.c"])
+  :name "testmod2"
+  :source @["testmod2.c"])
 
 (declare-native
-    :name "testmod3"
-    :source @["testmod3.cpp"])
+  :name "testmod3"
+  :source @["testmod3.cpp"])
 
 (declare-native
-    :name "test-mod-4"
-    :source @["testmod4.c"])
+  :name "test-mod-4"
+  :source @["testmod4.c"])
+
+(declare-native
+  :name "testmod5"
+  :source @["testmod5.cc"])
 
 (declare-executable
   :name "testexec"
diff --git a/test/install/testexec.janet b/test/install/testexec.janet
index 36c91498..2e511936 100644
--- a/test/install/testexec.janet
+++ b/test/install/testexec.janet
@@ -2,7 +2,8 @@
 (use /build/testmod2)
 (use /build/testmod3)
 (use /build/test-mod-4)
+(use /build/testmod5)
 
 (defn main [&]
   (print "Hello from executable!")
-  (print (+ (get5) (get6) (get7) (get8))))
+  (print (+ (get5) (get6) (get7) (get8) (get9))))
diff --git a/test/install/testmod5.cc b/test/install/testmod5.cc
new file mode 100644
index 00000000..2e8ae6db
--- /dev/null
+++ b/test/install/testmod5.cc
@@ -0,0 +1,42 @@
+/*
+* Copyright (c) 2020 Calvin Rose and contributors
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to
+* deal in the Software without restriction, including without limitation the
+* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+* sell copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+* IN THE SOFTWARE.
+*/
+
+/* A very simple native module */
+
+#include <janet.h>
+#include <iostream>
+
+static Janet cfun_get_nine(int32_t argc, Janet *argv) {
+    (void) argv;
+    janet_fixarity(argc, 0);
+    std::cout << "Hello!" << std::endl;
+    return janet_wrap_number(9.0);
+}
+
+static const JanetReg array_cfuns[] = {
+    {"get9", cfun_get_nine, NULL},
+    {NULL, NULL, NULL}
+};
+
+JANET_MODULE_ENTRY(JanetTable *env) {
+    janet_cfuns(env, NULL, array_cfuns);
+}
diff --git a/test/suite0004.janet b/test/suite0004.janet
index 208f7cc4..17b1f358 100644
--- a/test/suite0004.janet
+++ b/test/suite0004.janet
@@ -70,5 +70,17 @@
 (assert (= ~(,defn 1 2 3) [defn 1 2 3]) "bracket tuples are never macros")
 (assert (= ~(,+ 1 2 3) [+ 1 2 3]) "bracket tuples are never function calls")
 
+# Metadata
+
+(def foo-with-tags :a-tag :bar)
+(assert (get (dyn 'foo-with-tags) :a-tag) "extra keywords in def are metadata tags")
+
+(def foo-with-meta {:baz :quux} :bar)
+(assert (= :quux (get (dyn 'foo-with-meta) :baz)) "extra struct in def is metadata")
+
+(defn foo-fn-with-meta {:baz :quux} "This is a function" [x] (identity x))
+(assert (= :quux (get (dyn 'foo-fn-with-meta) :baz)) "extra struct in defn is metadata")
+(assert (= "(foo-fn-with-meta x)\n\nThis is a function" (get (dyn 'foo-fn-with-meta) :doc)) "extra string in defn is docstring")
+
 (end-suite)