diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..488be107
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,21 @@
+project(HAMMER_PARSE C)
+
+file(GLOB_RECURSE APP_SRC_FILES
+    "src/*.c"
+)
+
+# Create the app module
+add_cfe_app(hammer_parse ${APP_SRC_FILES})
+
+# The API to this library (which may be invoked/referenced from other apps)
+# is stored in fsw/public_inc.  Using "target_include_directories" is the 
+# preferred method of indicating this (vs. directory-scope "include_directories").
+target_include_directories(hammer_parse PUBLIC 
+  src/backends
+  src/parsers
+  .
+  src)
+
+
+
+
diff --git a/src/allocator.c b/src/allocator.c
index 7c0862aa..7bf16ebd 100644
--- a/src/allocator.c
+++ b/src/allocator.c
@@ -284,12 +284,12 @@ void *h_arena_realloc(HArena *arena, void *ptr, size_t n) {
     // much data from the old block as there could have been.
 
     for (link = arena->head; link; link = link->next) {
-        if (ptr >= (void *)link->rest && ptr <= (void *)link->rest + link->used)
+        if ((char *)ptr >= (char *)link->rest && (char *)ptr <= (char *)link->rest + link->used)
             break; /* found it */
     }
     assert(link != NULL);
 
-    ncopy = (void *)link->rest + link->used - ptr;
+    ncopy = ((char *)link->rest + link->used) - (char *)ptr;
     if (n < ncopy)
         ncopy = n;
 
diff --git a/src/backends/packrat.c b/src/backends/packrat.c
index 137d0751..0916a4f9 100644
--- a/src/backends/packrat.c
+++ b/src/backends/packrat.c
@@ -390,7 +390,7 @@ bool h_packrat_parse_chunk(HSuspendedParser *s, HInputStream *input) {
         h_platform_errx(1, "input length would overflow");
     newlen = cat->length + input->length;
     cat->input = h_realloc(mm__, (void *)cat->input, newlen);
-    memcpy((void *)cat->input + cat->length, input->input, input->length);
+    memcpy((char *)cat->input + cat->length, input->input, input->length);
     cat->length = newlen;
     cat->last_chunk = input->last_chunk;
 
diff --git a/src/hammer.c b/src/hammer.c
index bee31d17..260f73cb 100644
--- a/src/hammer.c
+++ b/src/hammer.c
@@ -422,7 +422,7 @@ HParsedToken *act_backend_params(const HParseResult *p, void *user_data) {
 
     backend_params_t *bp = H_ALLOC(backend_params_t);
 
-    HParsedToken **fields = h_seq_elements(p->ast);
+    //HParsedToken **fields = h_seq_elements(p->ast);
 
     bp->len = h_seq_len(p->ast);
     bp->params = h_arena_malloc(p->arena, sizeof(backend_param_with_name_t) * bp->len);
diff --git a/src/hammer.h b/src/hammer.h
index 62e7d7dc..9a035afe 100644
--- a/src/hammer.h
+++ b/src/hammer.h
@@ -1239,7 +1239,7 @@ struct result_buf;
 
 bool h_append_buf(struct result_buf *buf, const char *input, int len);
 bool h_append_buf_c(struct result_buf *buf, char v);
-bool h_append_buf_formatted(struct result_buf *buf, char *format, ...);
+bool h_append_buf_formatted(struct result_buf *buf, const char *format, ...);
 
 /** @} */
 
diff --git a/src/parsers/unimplemented.c b/src/parsers/unimplemented.c
index 23c65592..dbf5395b 100644
--- a/src/parsers/unimplemented.c
+++ b/src/parsers/unimplemented.c
@@ -18,5 +18,5 @@ static const HParserVtable unimplemented_vt = {
 
 static HParser unimplemented = {.vtable = &unimplemented_vt, .env = NULL};
 
-const HParser *h_unimplemented() { return &unimplemented; }
+const HParser *h_unimplemented(void) { return &unimplemented; }
 const HParser *h_unimplemented__m(HAllocator *mm__) { return &unimplemented; }
diff --git a/src/pprint.c b/src/pprint.c
index e50eacf2..ec92e74f 100644
--- a/src/pprint.c
+++ b/src/pprint.c
@@ -141,7 +141,7 @@ bool h_append_buf_c(struct result_buf *buf, char v) {
 }
 
 /** append a formatted string to the result buffer */
-bool h_append_buf_formatted(struct result_buf *buf, char *format, ...) {
+bool h_append_buf_formatted(struct result_buf *buf, const char *format, ...) {
     char *tmpbuf;
     int len;
     bool result;
diff --git a/src/sloballoc.c b/src/sloballoc.c
index e299d6e7..3dd22f04 100644
--- a/src/sloballoc.c
+++ b/src/sloballoc.c
@@ -187,7 +187,7 @@ static void h_slob_free(HAllocator *mm, void *p) {
 }
 
 static void *h_slob_realloc(HAllocator *mm, void *p, size_t size) {
-    SLOB *slob = (SLOB *)(mm + 1);
+    //SLOB *slob = (SLOB *)(mm + 1);
 
     assert(((void)"XXX need realloc for SLOB allocator", 0));
     return NULL;