diff --git a/src/common/dwarf/functioninfo.cc b/src/common/dwarf/functioninfo.cc
index 8e4d041b..55a255ed 100644
--- a/src/common/dwarf/functioninfo.cc
+++ b/src/common/dwarf/functioninfo.cc
@@ -42,6 +42,8 @@
 #include "common/scoped_ptr.h"
 #include "common/using_std_string.h"
 
+using google_breakpad::scoped_ptr;
+
 namespace dwarf2reader {
 
 CULineInfoHandler::CULineInfoHandler(std::vector<SourceFileInfo>* files,
diff --git a/src/third_party/libdisasm/x86_disasm.c b/src/third_party/libdisasm/x86_disasm.c
index d6b7f810..51a213a4 100644
--- a/src/third_party/libdisasm/x86_disasm.c
+++ b/src/third_party/libdisasm/x86_disasm.c
@@ -165,7 +165,7 @@ unsigned int x86_disasm_forward( unsigned char *buf, unsigned int buf_len,
                         if (next_addr != -1 ) {
                                 next_offset = next_addr - buf_rva;
                                 /* if offset is in this buffer... */
-                                if ( next_addr >= buf_rva &&
+                                if ( (uint32_t)next_addr >= buf_rva &&
                                      next_offset < buf_len ) {
                                         /* go ahead and disassemble */
                                         count += x86_disasm_forward( buf,
diff --git a/src/tools/mac/crash_report/crash_report.mm b/src/tools/mac/crash_report/crash_report.mm
index b6e3f1cc..8b10b646 100644
--- a/src/tools/mac/crash_report/crash_report.mm
+++ b/src/tools/mac/crash_report/crash_report.mm
@@ -164,7 +164,7 @@ static void PrintRegisters(const CallStack *stack, const string &cpu) {
     const StackFramePPC *frame_ppc =
       reinterpret_cast<const StackFramePPC*>(frame);
 
-    if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_ALL ==
+    if ((frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_ALL) ==
         StackFramePPC::CONTEXT_VALID_ALL) {
       sequence = PrintRegister("srr0", frame_ppc->context.srr0, sequence);
       sequence = PrintRegister("srr1", frame_ppc->context.srr1, sequence);
diff --git a/src/tools/mac/crash_report/on_demand_symbol_supplier.mm b/src/tools/mac/crash_report/on_demand_symbol_supplier.mm
index edcc5ad7..1bd1f693 100644
--- a/src/tools/mac/crash_report/on_demand_symbol_supplier.mm
+++ b/src/tools/mac/crash_report/on_demand_symbol_supplier.mm
@@ -80,7 +80,7 @@ OnDemandSymbolSupplier::OnDemandSymbolSupplier(const string &search_dir,
         [dirEnum skipDescendents];
       } else {
         NSString *filePath = [symbolSearchPath stringByAppendingPathComponent:fileName];
-        NSString *dataStr = [[[NSString alloc] initWithContentsOfFile:filePath] autorelease];
+        NSString *dataStr = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:NULL];
         if (dataStr) {
           // Check file to see if it is of appropriate type, and grab module
           // name.
@@ -280,7 +280,7 @@ bool OnDemandSymbolSupplier::GenerateSymbolFile(const CodeModule *module,
     NSString *module_str = [[NSFileManager defaultManager]
       stringWithFileSystemRepresentation:module_path.c_str()
                                   length:module_path.length()];
-    DumpSymbols dump;
+    DumpSymbols dump(ALL_SYMBOL_DATA, false);
     if (dump.Read(module_str)) {
       // What Breakpad calls "x86" should be given to the system as "i386".
       std::string architecture;
@@ -293,7 +293,7 @@ bool OnDemandSymbolSupplier::GenerateSymbolFile(const CodeModule *module,
       if (dump.SetArchitecture(architecture)) {
         std::fstream file([symbol_path fileSystemRepresentation],
                           std::ios_base::out | std::ios_base::trunc);
-        dump.WriteSymbolFile(file, true);
+        dump.WriteSymbolFile(file);
       } else {
         printf("Architecture %s not available for %s\n",
                system_info->cpu.c_str(), name.c_str());