diff --git a/CMakeLists.txt b/CMakeLists.txt
index 42a1721..da74bec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -168,8 +168,8 @@ LINK_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/src/stasis)
 
 IF ( "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" )
   SET(COMMON_LIBRARIES stasis m pthread stdc++ ${DBUG}) # profiler)
-  SET(CMAKE_C_FLAGS "-g -Wall -ansi -pedantic -std=gnu99 -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_C_FLAGS}")
-  SET(CMAKE_CXX_FLAGS "-g -Wall -ansi -Wno-long-long -pedantic -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_CXX_FLAGS}")
+  SET(CMAKE_C_FLAGS "-g -Wall -Wextra -ansi -Wno-unused-parameter -pedantic -std=gnu99 -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_C_FLAGS}")
+  SET(CMAKE_CXX_FLAGS "-g -Wall -Wextra -ansi -Wno-unused-parameter -Wno-long-long -pedantic -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_CXX_FLAGS}")
 ELSEIF ( "${CMAKE_C_COMPILER_ID}" STREQUAL "SunPro" )
   SET(COMMON_LIBRARIES stasis m pthread Crun Cstd)
   SET(CMAKE_C_FLAGS "-g -xc99=all -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_C_FLAGS}")
@@ -178,8 +178,8 @@ ELSE( "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" )
   # TODO: how to detect compilers correctly on old cmake???  This is a huge hack; it uses old gcc 
   # options, since cmake is old...
   SET(COMMON_LIBRARIES stasis m pthread stdc++ ${DBUG})
-  SET(CMAKE_C_FLAGS "-g -Wall -pedantic -std=gnu99 -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_C_FLAGS}")
-  SET(CMAKE_CXX_FLAGS "-g -Wall -Wno-long-long -pedantic -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_CXX_FLAGS}")
+  SET(CMAKE_C_FLAGS "-g -Wall  -Wlong-long -pedantic -std=gnu99 -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_C_FLAGS}")
+  SET(CMAKE_CXX_FLAGS "-g -Wall -pedantic -DPBL_COMPAT -D_FILE_OFFSET_BITS=64 ${CMAKE_CXX_FLAGS}")
 ENDIF ( "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" )
 
 INSTALL(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/src/stasis
diff --git a/benchmarks/rawIOPS.c b/benchmarks/rawIOPS.c
index 78b7d35..49c901c 100644
--- a/benchmarks/rawIOPS.c
+++ b/benchmarks/rawIOPS.c
@@ -37,7 +37,7 @@ void * status_worker(void * ignored) {
   while(1) {
     struct timespec ts = stasis_double_to_timespec(1.0);
     nanosleep(&ts,0);
-    printf("current ops/sec %lld\n", completed_ops - last_ops);
+    printf("current ops/sec %lld\n", (long long) (completed_ops - last_ops));
     last_ops = completed_ops;
     iter ++;
     if((! (iter % 10)) && (op_count == 0)) {
diff --git a/src/stasis/dirtyPageTable.c b/src/stasis/dirtyPageTable.c
index 0bcc773..41b3587 100644
--- a/src/stasis/dirtyPageTable.c
+++ b/src/stasis/dirtyPageTable.c
@@ -171,7 +171,7 @@ int stasis_dirty_page_table_flush_with_target(stasis_dirty_page_table_t * dirtyP
   long buffered = 0;
   do {
     dpt_entry dummy = { 0, 0 };
-    pageid_t vals[stride];
+    pageid_t * vals = stasis_alloca(stride, pageid_t);
     int off = 0;
     int strides = 0;
     all_flushed = 1;
diff --git a/src/stasis/flags.c b/src/stasis/flags.c
index d1012bd..670fc5c 100644
--- a/src/stasis/flags.c
+++ b/src/stasis/flags.c
@@ -173,27 +173,27 @@ size_t stasis_log_in_memory_max_entries = 0;  // unlimited
 #endif
 
 #ifdef STASIS_LOG_FILE_NAME
-char * stasis_log_file_name = STASIS_LOG_FILE_NAME;
+const char * stasis_log_file_name = STASIS_LOG_FILE_NAME;
 #else
-char * stasis_log_file_name = "logfile.txt";
+const char * stasis_log_file_name = "logfile.txt";
 #endif
 
 #ifdef STASIS_STORE_FILE_NAME
-char * stasis_store_file_name = STASIS_STORE_FILE_NAME;
+const char * stasis_store_file_name = STASIS_STORE_FILE_NAME;
 #else
-char * stasis_store_file_name = "storefile.txt";
+const char * stasis_store_file_name = "storefile.txt";
 #endif
 
 #ifdef STASIS_STORE_FILE_1_NAME
-char * stasis_store_file_1_name = STASIS_STORE_FILE_1_NAME;
+const char * stasis_store_file_1_name = STASIS_STORE_FILE_1_NAME;
 #else
-char * stasis_store_file_1_name = "storefile1.txt";
+const char * stasis_store_file_1_name = "storefile1.txt";
 #endif
 
 #ifdef STASIS_STORE_FILE_2_NAME
 char * stasis_store_file_2_name = STASIS_STORE_FILE_2_NAME;
 #else
-char * stasis_store_file_2_name = "storefile2.txt";
+const char * stasis_store_file_2_name = "storefile2.txt";
 #endif
 
 #ifdef STASIS_BUFFER_MANAGER_HASH_PREFETCH_COUNT
diff --git a/src/stasis/io/file.c b/src/stasis/io/file.c
index c6e74c7..3688ce0 100644
--- a/src/stasis/io/file.c
+++ b/src/stasis/io/file.c
@@ -136,7 +136,7 @@ inline static int file_write_unlocked(stasis_handle_t * h, lsn_t off,
   return error;
 }
 
-inline static void print_eof_error(char * file, int line) {
+inline static void print_eof_error(const char * file, int line) {
   fprintf(stderr, "%s:%d Internal error: attempt to access negative offset, or beyond EOF.\n", file, line);
   fflush(stderr);
 }
diff --git a/src/stasis/io/raid0.c b/src/stasis/io/raid0.c
index 1102e97..b9e51b7 100644
--- a/src/stasis/io/raid0.c
+++ b/src/stasis/io/raid0.c
@@ -213,7 +213,7 @@ stasis_handle_t * stasis_handle_raid0_factory(void) {
   } else {
     int count = 0;
     while(stasis_handle_raid0_filenames[count]) count++;
-    stasis_handle_t * h[count];
+    stasis_handle_t ** h = stasis_alloca(count, stasis_handle_t*);
     for(int i = 0; i < count; i++) {
       h[i] = stasis_handle_file_factory(stasis_handle_raid0_filenames[i], O_CREAT | O_RDWR | stasis_buffer_manager_io_handle_flags, FILE_PERM);
     }
diff --git a/src/stasis/operations/alloc.c b/src/stasis/operations/alloc.c
index 60b5662..c41af2c 100644
--- a/src/stasis/operations/alloc.c
+++ b/src/stasis/operations/alloc.c
@@ -283,7 +283,6 @@ recordid Talloc(int xid, unsigned long size) {
   if(size >= BLOB_THRESHOLD_SIZE) {
     type = BLOB_SLOT;
   } else {
-    assert(size >= 0);
     type = size;
   }
 
diff --git a/src/stasis/operations/linkedListNTA.c b/src/stasis/operations/linkedListNTA.c
index 110f1aa..5d8cc91 100644
--- a/src/stasis/operations/linkedListNTA.c
+++ b/src/stasis/operations/linkedListNTA.c
@@ -1,5 +1,3 @@
-#define __USE_GNU
-#define _GNU_SOURCE
 
 #include <stasis/util/latches.h>
 #include <stasis/transactional.h>
diff --git a/src/stasis/page.c b/src/stasis/page.c
index cc1b8da..510c391 100644
--- a/src/stasis/page.c
+++ b/src/stasis/page.c
@@ -125,8 +125,7 @@ void stasis_page_init(stasis_dirty_page_table_t * dpt) {
 void stasis_page_deinit(void) {
 
   for(int i = 0; i < MAX_PAGE_TYPE; i++) {
-    page_impl p = { 0 };
-    page_impls[i] = p;
+    memset(&page_impls[i], 0, sizeof(page_impls[i]));
   }
 
   stasis_page_fixed_deinit();
diff --git a/src/stasis/util/latchStats.c b/src/stasis/util/latchStats.c
index 5a7bf69..236e41c 100644
--- a/src/stasis/util/latchStats.c
+++ b/src/stasis/util/latchStats.c
@@ -34,7 +34,7 @@ void print_profile_tuple(profile_tuple * tup) {
     double mean_hold = ((double)tup->sum_hold)/ ((double)tup->count);
     double std_hold = sqrt((((double)tup->sum_hold2) / ((double)tup->count)) - (mean_hold * mean_hold));
 
-    printf("{count=%ld spin[%1.4lf %1.4lf %0.0lf] held[%1.4lf %1.4lf %0.0lf]us}", tup->count,
+    printf("{count=%ld spin[%1.4f %1.4f %0.0f] held[%1.4f %1.4f %0.0f]us}", tup->count,
 	   mean_spin, std_spin, tup->max_spin,
 	   mean_hold, std_hold, tup->max_hold);
   } else {
diff --git a/src/stasis/util/ringbuffer.c b/src/stasis/util/ringbuffer.c
index 2fffa04..66e1703 100644
--- a/src/stasis/util/ringbuffer.c
+++ b/src/stasis/util/ringbuffer.c
@@ -154,7 +154,7 @@ lsn_t stasis_ringbuffer_consume_bytes(stasis_ringbuffer_t * ring, lsn_t* sz, lsn
 
   while(RING_VOLATILE == (ret = stasis_ringbuffer_nb_consume_bytes(ring, RING_NEXT, sz))) {
     pthread_cond_wait(&ring->write_done, &ring->mut);
-    *sz = (ring->flush > ring->rf) ? RING_NEXT : orig_sz;
+    *sz = (ring->flush > ring->rf) ? ((lsn_t)RING_NEXT) : orig_sz;
     if(ring->shutdown) {
         if(ring->rt == ring->wf) {
           DEBUG(stderr, "Shutting down, and there are no more bytes.  Signaling shutdown thread.\n");
diff --git a/stasis/experimental/compression/compression.h b/stasis/experimental/compression/compression.h
index 11f4d5b..5f23d49 100644
--- a/stasis/experimental/compression/compression.h
+++ b/stasis/experimental/compression/compression.h
@@ -2,11 +2,7 @@
 #define _ROSE_COMPRESSION_COMPRESSION_H__
 
 #include <limits.h>
-#define  __STDC_LIMIT_MACROS 1
 #include <stdint.h>
-#ifndef UINT16_MAX // XXX should be defined in stdint.h.
-#define UINT16_MAX             (65535)
-#endif
 
 namespace rose {
 
diff --git a/stasis/experimental/compression/multicolumn-impl.h b/stasis/experimental/compression/multicolumn-impl.h
index 729c002..d4475dc 100644
--- a/stasis/experimental/compression/multicolumn-impl.h
+++ b/stasis/experimental/compression/multicolumn-impl.h
@@ -207,26 +207,30 @@ Multicolumn<TUPLE>::recordFind(int xid, TUPLE& val, TUPLE& scratch) {
 
 */
 static const page_impl multicolumn_impl = {
-  -1,
+  -1, // page type
+  0,  // has header
   0,  // multicolumnRead,
-  0,       // multicolumnWrite,
+  0,  // multicolumnWrite,
   0,  // multicolumnReadDone,
-  0,       // multicolumnWriteDone,
+  0,  // multicolumnWriteDone,
   0,  // multicolumnGetType,
   0,  // multicolumnSetType,
   0,  // multicolumnGetLength,
   0,  // multicolumnFirst,
   0,  // multicolumnNext,
+  0,  // multicolumnLast,
   0,  // multicolumnIsBlockSupported,
   0,  // multicolumnBlockFirst,
   0,  // multicolumnBlockNext,
   0,  // multicolumnBlockDone,
   0,  // multicolumnFreespace,
-  0,       // multicolumnCompact,
-  0,       // multicolumnPreRalloc,
-  0,       // multicolumnPostRalloc,
-  0,       // multicolumnFree,
-  0,       // dereference_identity,
+  0,  // multicolumnCompact,
+  0,  // multicolumnCompactSlotIDs,
+  0,  // multicolumnPreRalloc,
+  0,  // multicolumnPostRalloc,
+  0,  // multicolumnSplice,
+  0,  // multicolumnFree,
+  0,  // dereference_identity,
   0,  // multicolumnLoaded,
   0,  // multicolumnFlushed
   0,  // multicolumnCleanup
diff --git a/stasis/experimental/compression/pstar-impl.h b/stasis/experimental/compression/pstar-impl.h
index b9dbb74..19925ef 100644
--- a/stasis/experimental/compression/pstar-impl.h
+++ b/stasis/experimental/compression/pstar-impl.h
@@ -62,26 +62,30 @@ static void pStarCleanup(Page * p) {
 
 */
 static const page_impl pstar_impl = {
-  -1,
+  -1, // page type
+  0,  // has header
   0,  // pStarRead,
-  0,       // pStarWrite,
+  0,  // pStarWrite,
   0,  // pStarReadDone,
-  0,       // pStarWriteDone,
+  0,  // pStarWriteDone,
   0,  // pStarGetType,
   0,  // pStarSetType,
   0,  // pStarGetLength,
   0,  // pStarFirst,
   0,  // pStarNext,
+  0,  // pStarLast
   0,  // pStarIsBlockSupported,
   0,  // pStarBlockFirst,
   0,  // pStarBlockNext,
   0,  // pStarBlockDone,
   0,  // pStarFreespace,
-  0,       // pStarCompact,
-  0,       // pStarPreRalloc,
-  0,       // pStarPostRalloc,
-  0,       // pStarFree,
-  0,       // dereference_identity,
+  0,  // pStarCompact,
+  0,  // pStarCompactSlotIDs,
+  0,  // pStarPreRalloc,
+  0,  // pStarPostRalloc,
+  0,  // pStarSplice,
+  0,  // pStarFree,
+  0,  // dereference_identity,
   0,  // pStarLoaded,
   0,  // pStarFlushed
   0,  // pStarCleanup
diff --git a/stasis/flags.h b/stasis/flags.h
index f2d95fe..ed5a56b 100644
--- a/stasis/flags.h
+++ b/stasis/flags.h
@@ -191,15 +191,15 @@ extern int stasis_log_type;
 
 extern size_t stasis_log_in_memory_max_entries;
 
-extern char * stasis_log_file_name;
+extern const char * stasis_log_file_name;
 extern int    stasis_log_file_mode;
 extern int    stasis_log_file_permissions;
 extern int    stasis_log_dir_permissions;
 extern int    stasis_log_softcommit;
 
-extern char * stasis_store_file_name;
-extern char * stasis_store_file_1_name;
-extern char * stasis_store_file_2_name;
+extern const char * stasis_store_file_name;
+extern const char * stasis_store_file_1_name;
+extern const char * stasis_store_file_2_name;
 
 
 /**