diff --git a/media/mtransport/objs.mk b/media/mtransport/objs.mk
index b7d113d386b9..f1fc85f72cd6 100644
--- a/media/mtransport/objs.mk
+++ b/media/mtransport/objs.mk
@@ -47,6 +47,13 @@ LOCAL_INCLUDES += \
 DEFINES += -DWIN
 endif
 
+DEFINES += \
+   -DR_PLATFORM_INT_TYPES='"mozilla/StandardInteger.h"' \
+   -DR_DEFINED_INT2=int16_t -DR_DEFINED_UINT2=uint16_t \
+   -DR_DEFINED_INT4=int32_t -DR_DEFINED_UINT4=uint32_t \
+   -DR_DEFINED_INT8=int64_t -DR_DEFINED_UINT8=uint64_t \
+   $(NULL)
+
 MTRANSPORT_LCPPSRCS = \
   dtlsidentity.cpp \
   nricectx.cpp \
diff --git a/media/mtransport/third_party/nICEr/nicer.gyp b/media/mtransport/third_party/nICEr/nicer.gyp
index 34aa6d87a73d..26ec0c50eda3 100644
--- a/media/mtransport/third_party/nICEr/nicer.gyp
+++ b/media/mtransport/third_party/nICEr/nicer.gyp
@@ -30,6 +30,9 @@
               "./src/net",
               "./src/stun",
               "./src/util",
+
+	      # Mozilla, hopefully towards the end
+             '$(DEPTH)/dist/include',
           ],
 
           'sources' : [
@@ -116,6 +119,13 @@
               'USE_TURN',
               'NR_SOCKET_IS_VOID_PTR',
               'restrict=',
+	      'R_PLATFORM_INT_TYPES=\'"mozilla/StandardInteger.h"\'',
+	      'R_DEFINED_INT2=int16_t',
+	      'R_DEFINED_UINT2=uint16_t',
+	      'R_DEFINED_INT4=int32_t',
+	      'R_DEFINED_UINT4=uint32_t',
+	      'R_DEFINED_INT8=int64_t',
+	      'R_DEFINED_UINT8=uint64_t',
           ],
           
           'conditions' : [
@@ -161,14 +171,6 @@
                     '_CRT_SECURE_NO_WARNINGS',
                     '__UNUSED__=',
                     'HAVE_STRDUP',
-                    'SIZEOF_SHORT=2',
-                    'SIZEOF_UNSIGNED_SHORT=2',
-                    'SIZEOF_INT=4',
-                    'SIZEOF_UNSIGNED_INT=4',
-                    'SIZEOF_LONG=4',
-                    'SIZEOF_UNSIGNED_LONG=4',
-                    'SIZEOF_LONG_LONG=8',
-                    'SIZEOF_UNSIGNED_LONG_LONG=8',
                     'NO_REG_RPC'
                 ],
 
diff --git a/media/mtransport/third_party/nrappkit/nrappkit.gyp b/media/mtransport/third_party/nrappkit/nrappkit.gyp
index 4a04b737859b..f9a5c19bc519 100644
--- a/media/mtransport/third_party/nrappkit/nrappkit.gyp
+++ b/media/mtransport/third_party/nrappkit/nrappkit.gyp
@@ -13,9 +13,6 @@
 
           'include_dirs' : [
               # EXTERNAL
-              
-
-
               # INTERNAL
 	      'src/event',
 	      'src/log',
@@ -24,7 +21,10 @@
 	      'src/share',
 	      'src/stats',
 	      'src/util',
-	      'src/util/libekr'
+	      'src/util/libekr',
+
+	      # Mozilla, hopefully towards the end
+             '$(DEPTH)/dist/include',
           ],
 
           'sources' : [
@@ -137,6 +137,13 @@
           
           'defines' : [
               'SANITY_CHECKS',
+	      'R_PLATFORM_INT_TYPES=\'"mozilla/StandardInteger.h"\'',
+	      'R_DEFINED_INT2=int16_t',
+	      'R_DEFINED_UINT2=uint16_t',
+	      'R_DEFINED_INT4=int32_t',
+	      'R_DEFINED_UINT4=uint32_t',
+	      'R_DEFINED_INT8=int64_t',
+	      'R_DEFINED_UINT8=uint64_t',
           ],
           
           'conditions' : [
@@ -177,14 +184,6 @@
                      'WIN',
                      '__UNUSED__=""',
                      'HAVE_STRDUP=1',
-                     'SIZEOF_SHORT=2',
-                     'SIZEOF_UNSIGNED_SHORT=2',
-                     'SIZEOF_INT=4',
-                     'SIZEOF_UNSIGNED_INT=4',
-                     'SIZEOF_LONG=4',
-                     'SIZEOF_UNSIGNED_LONG=4',
-                     'SIZEOF_LONG_LONG=8',
-                     'SIZEOF_UNSIGNED_LONG_LONG=8',
                      'NO_REG_RPC'
                  ],
 
diff --git a/media/mtransport/third_party/nrappkit/src/util/libekr/r_types.h b/media/mtransport/third_party/nrappkit/src/util/libekr/r_types.h
index 3d3f2690b060..b05bf0d3da88 100644
--- a/media/mtransport/third_party/nrappkit/src/util/libekr/r_types.h
+++ b/media/mtransport/third_party/nrappkit/src/util/libekr/r_types.h
@@ -84,6 +84,14 @@
 #ifndef _r_types_h
 #define _r_types_h
 
+/* Either define R_PLATFORM_INT_TYPES or be on a platform that
+   has stdint.h */
+#ifdef R_PLATFORM_INT_TYPES
+#include R_PLATFORM_INT_TYPES
+#else
+#include <stdint.h>
+#endif
+
 #ifndef R_DEFINED_INT2
 #ifndef SIZEOF_INT
 typedef short INT2;
@@ -98,6 +106,8 @@ typedef long INT2;
 # error no type for INT2
 # endif
 #endif
+#else
+typedef R_DEFINED_INT2 INT2;
 #endif
 
 #ifndef R_DEFINED_UINT2
@@ -114,6 +124,8 @@ typedef unsigned long UINT2;
 # error no type for UINT2
 # endif
 #endif
+#else
+typedef R_DEFINED_UINT2 UINT2;
 #endif
 
 #ifndef R_DEFINED_INT4
@@ -130,6 +142,8 @@ typedef long INT4;
 # error no type for INT4
 # endif
 #endif
+#else
+typedef R_DEFINED_INT4 INT4;
 #endif
 
 #ifndef R_DEFINED_UINT4
@@ -146,6 +160,8 @@ typedef unsigned long UINT4;
 # error no type for UINT4
 # endif
 #endif
+#else
+typedef R_DEFINED_UINT4 UINT4;
 #endif
 
 #ifndef R_DEFINED_INT8
@@ -164,6 +180,8 @@ typedef long long INT8;
 # error no type for INT8
 # endif
 #endif
+#else
+typedef R_DEFINED_INT8 INT8;
 #endif
 
 #ifndef R_DEFINED_UINT8
@@ -182,11 +200,14 @@ typedef unsigned long long UINT8;
 # error no type for UINT8
 # endif
 #endif
+#else
+typedef R_DEFINED_UINT8 UINT8;
 #endif
 
 #ifndef R_DEFINED_UCHAR
 typedef unsigned char UCHAR;
-#endif
-
+#else
+typedef R_DEFINED_UCHAR UCHAR;
+#endif
 #endif