diff --git a/media/base/media_sample.cc b/media/base/media_sample.cc
index 74e0cb023e..7083beb72c 100644
--- a/media/base/media_sample.cc
+++ b/media/base/media_sample.cc
@@ -6,6 +6,8 @@
 
 #include "media/base/media_sample.h"
 
+#include <inttypes.h>
+
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "media/base/decrypt_config.h"
@@ -62,10 +64,16 @@ std::string MediaSample::ToString() const {
   if (end_of_stream())
     return "End of stream sample\n";
   return base::StringPrintf(
-      "dts: %ld\n pts: %ld\n duration: %ld\n is_key_frame: %s\n size: %zu\n "
-      "side_data_size: %zu\n is_encrypted: %s\n",
-      dts_, pts_, duration_, is_key_frame_ ? "true" : "false", data_.size(),
-      side_data_.size(), decrypt_config_ ? "true" : "false");
+      "dts: %" PRId64 "\n pts: %" PRId64 "\n duration: %" PRId64 "\n "
+      "is_key_frame: %s\n size: %zu\n side_data_size: %zu\n "
+      "is_encrypted: %s\n",
+      dts_,
+      pts_,
+      duration_,
+      is_key_frame_ ? "true" : "false",
+      data_.size(),
+      side_data_.size(),
+      decrypt_config_ ? "true" : "false");
 }
 
 }  // namespace media
diff --git a/media/base/muxer_util.cc b/media/base/muxer_util.cc
index db5428cd93..1931608e0f 100644
--- a/media/base/muxer_util.cc
+++ b/media/base/muxer_util.cc
@@ -6,6 +6,8 @@
 
 #include "media/base/muxer_util.h"
 
+#include <inttypes.h>
+
 #include <string>
 #include <vector>
 
@@ -126,11 +128,11 @@ std::string GetSegmentName(const std::string& segment_template,
     if (format_pos != std::string::npos) {
       format_tag = splits[i].substr(format_pos);
       DCHECK(ValidateFormatTag(format_tag));
-      // Replace %d formatting with %lu formatting to correctly format uint64.
-      format_tag = format_tag.substr(0, format_tag.size() - 1) + "lu";
+      // Replace %d formatting to correctly format uint64.
+      format_tag = format_tag.substr(0, format_tag.size() - 1) + PRIu64;
     } else {
       // Default format tag "%01d", modified to format uint64 correctly.
-      format_tag = "%01lu";
+      format_tag = "%01" PRIu64;
     }
 
     if (identifier == "Number") {
diff --git a/media/base/stream_info.cc b/media/base/stream_info.cc
index 387e510ca0..ba149f611e 100644
--- a/media/base/stream_info.cc
+++ b/media/base/stream_info.cc
@@ -6,6 +6,8 @@
 
 #include "media/base/stream_info.h"
 
+#include <inttypes.h>
+
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 
@@ -36,7 +38,7 @@ StreamInfo::~StreamInfo() {}
 
 std::string StreamInfo::ToString() const {
   return base::StringPrintf(
-      "type: %s\n codec_string: %s\n time_scale: %d\n duration: %lu "
+      "type: %s\n codec_string: %s\n time_scale: %d\n duration: %" PRIu64 " "
       "(%.1f seconds)\n language: %s\n is_encrypted: %s\n",
       (stream_type_ == kStreamAudio ? "Audio" : "Video"),
       codec_string_.c_str(),
diff --git a/media/formats/mp4/box_reader.cc b/media/formats/mp4/box_reader.cc
index 00c69c2f9d..cff08298e9 100644
--- a/media/formats/mp4/box_reader.cc
+++ b/media/formats/mp4/box_reader.cc
@@ -4,6 +4,8 @@
 
 #include "media/formats/mp4/box_reader.h"
 
+#include <inttypes.h>
+
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
@@ -158,7 +160,8 @@ bool BoxReader::ReadHeader(bool* err) {
 
   // The box should have at least the size of what have been parsed.
   if (size < pos()) {
-    LOG(ERROR) << base::StringPrintf("Box '%s' with size (%lu) is invalid.",
+    LOG(ERROR) << base::StringPrintf("Box '%s' with size (%" PRIu64
+                                     ") is invalid.",
                                      FourCCToString(type_).c_str(),
                                      size);
     *err = true;
@@ -167,7 +170,8 @@ bool BoxReader::ReadHeader(bool* err) {
 
   // 'mdat' box could have a 64-bit size; other boxes should be very small.
   if (size > static_cast<uint64>(kint32max) && type_ != FOURCC_MDAT) {
-    LOG(ERROR) << base::StringPrintf("Box '%s' size (%lu) is too large.",
+    LOG(ERROR) << base::StringPrintf("Box '%s' size (%" PRIu64
+                                     ") is too large.",
                                      FourCCToString(type_).c_str(),
                                      size);
     *err = true;
diff --git a/mpd/base/mpd_builder_unittest.cc b/mpd/base/mpd_builder_unittest.cc
index 975a9c36a0..5e86a96eaf 100644
--- a/mpd/base/mpd_builder_unittest.cc
+++ b/mpd/base/mpd_builder_unittest.cc
@@ -4,6 +4,8 @@
 // license that can be found in the LICENSE file or at
 // https://developers.google.com/open-source/licenses/bsd
 
+#include <inttypes.h>
+
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ -19,8 +21,10 @@
 namespace dash_packager {
 
 namespace {
-const char kSElementTemplate[] = "<S t=\"%lu\" d=\"%lu\" r=\"%lu\"/>\n";
-const char kSElementTemplateWithoutR[] = "<S t=\"%lu\" d=\"%lu\"/>\n";
+const char kSElementTemplate[] =
+    "<S t=\"%" PRIu64 "\" d=\"%" PRIu64 "\" r=\"%" PRIu64 "\"/>\n";
+const char kSElementTemplateWithoutR[] =
+    "<S t=\"%" PRIu64 "\" d=\"%" PRIu64 "\"/>\n";
 const int kDefaultStartNumber = 1;
 
 // Get 'id' attribute from |node|, convert it to std::string and convert it to a
@@ -108,7 +112,7 @@ class DynamicMpdBuilderTest : public MpdBuilderTest<MpdBuilder::kDynamic> {
         "  height: 480\n"
         "  time_scale: 10\n"
         "}\n"
-        "reference_time_scale: %lu\n"
+        "reference_time_scale: %u\n"
         "container_type: 1\n"
         "init_segment_name: \"init.mp4\"\n"
         "segment_template: \"$Time$.mp4\"\n";
@@ -117,7 +121,7 @@ class DynamicMpdBuilderTest : public MpdBuilderTest<MpdBuilder::kDynamic> {
   }
 
   // TODO(rkuroiwa): Make this a global constant in anonymous namespace.
-  uint64 DefaultTimeScale() const {  return 1000; };
+  uint32 DefaultTimeScale() const {  return 1000; };
 };
 
 class SegmentTemplateTest : public DynamicMpdBuilderTest {
@@ -173,7 +177,7 @@ class SegmentTemplateTest : public DynamicMpdBuilderTest {
         "type=\"dynamic\" profiles=\"urn:mpeg:dash:profile:isoff-live:2011\">\n"
         "  <Period start=\"PT0S\">\n"
         "    <AdaptationSet id=\"0\">\n"
-        "      <Representation id=\"0\" bandwidth=\"%lu\" "
+        "      <Representation id=\"0\" bandwidth=\"%" PRIu64 "\" "
         "codecs=\"avc1.010101\" mimeType=\"video/mp4\" width=\"720\" "
         "height=\"480\">\n"
         "        <SegmentTemplate timescale=\"1000\" "
@@ -227,7 +231,7 @@ class TimeShiftBufferDepthTest : public SegmentTemplateTest {
         "  height: 480\n"
         "  time_scale: 10\n"
         "}\n"
-        "reference_time_scale: %lu\n"
+        "reference_time_scale: %u\n"
         "container_type: 1\n"
         "init_segment_name: \"init.mp4\"\n"
         "segment_template: \"$Number$.mp4\"\n";
@@ -252,7 +256,7 @@ class TimeShiftBufferDepthTest : public SegmentTemplateTest {
         "timeShiftBufferDepth=\"PT%dS\">\n"
         "  <Period start=\"PT0S\">\n"
         "    <AdaptationSet id=\"0\">\n"
-        "      <Representation id=\"0\" bandwidth=\"%lu\" "
+        "      <Representation id=\"0\" bandwidth=\"%" PRIu64 "\" "
         "codecs=\"avc1.010101\" mimeType=\"video/mp4\" width=\"720\" "
         "height=\"480\">\n"
         "        <SegmentTemplate timescale=\"1000\" "
diff --git a/packager.gyp b/packager.gyp
index a9f134e3ab..3d78665ce2 100644
--- a/packager.gyp
+++ b/packager.gyp
@@ -42,6 +42,7 @@
         'media/formats/mpeg/mpeg.gyp:mpeg',
         'mpd/mpd.gyp:mpd_builder',
         'third_party/gflags/gflags.gyp:gflags',
+        'third_party/openssl/openssl.gyp:openssl',
       ],
       'conditions': [
         [ 'os_posix == 1', {