1 files changed, 116 insertions, 0 deletions
diff --git a/modules/fdlibm/patches/06_use_mfbt_endian_h_in_math_private_h.patch b/modules/fdlibm/patches/06_use_mfbt_endian_h_in_math_private_h.patch
new file mode 100644
index 0000000000..b4374fc948
--- /dev/null
+++ b/modules/fdlibm/patches/06_use_mfbt_endian_h_in_math_private_h.patch
@@ -0,0 +1,116 @@
+diff --git a/math_private.h b/math_private.h
+--- a/math_private.h
++++ b/math_private.h
+@@ -14,52 +14,38 @@
+  * $FreeBSD$
+  */
+ 
+ #ifndef _MATH_PRIVATE_H_
+ #define	_MATH_PRIVATE_H_
+ 
+ #include <stdint.h>
+ #include <sys/types.h>
+-#include <machine/endian.h>
++
++#include "mozilla/EndianUtils.h"
+ 
+ #include "fdlibm.h"
+ 
+ /*
+  * The original fdlibm code used statements like:
+  *	n0 = ((*(int*)&one)>>29)^1;		* index of high word *
+  *	ix0 = *(n0+(int*)&x);			* high word of x *
+  *	ix1 = *((1-n0)+(int*)&x);		* low word of x *
+  * to dig two 32 bit words out of the 64 bit IEEE floating point
+  * value.  That is non-ANSI, and, moreover, the gcc instruction
+  * scheduler gets it wrong.  We instead use the following macros.
+  * Unlike the original code, we determine the endianness at compile
+  * time, not at run time; I don't see much benefit to selecting
+  * endianness at run time.
+  */
+ 
+-/*
+- * A union which permits us to convert between a double and two 32 bit
+- * ints.
+- */
+-
+-#ifdef __arm__
+-#if defined(__VFP_FP__) || defined(__ARM_EABI__)
+-#define	IEEE_WORD_ORDER	BYTE_ORDER
+-#else
+-#define	IEEE_WORD_ORDER	BIG_ENDIAN
+-#endif
+-#else /* __arm__ */
+-#define	IEEE_WORD_ORDER	BYTE_ORDER
+-#endif
+-
+ /* A union which permits us to convert between a long double and
+    four 32 bit ints.  */
+ 
+-#if IEEE_WORD_ORDER == BIG_ENDIAN
++#if MOZ_BIG_ENDIAN()
+ 
+ typedef union
+ {
+   long double value;
+   struct {
+     u_int32_t mswhi;
+     u_int32_t mswlo;
+     u_int32_t lswhi;
+@@ -68,17 +54,17 @@ typedef union
+   struct {
+     u_int64_t msw;
+     u_int64_t lsw;
+   } parts64;
+ } ieee_quad_shape_type;
+ 
+ #endif
+ 
+-#if IEEE_WORD_ORDER == LITTLE_ENDIAN
++#if MOZ_LITTLE_ENDIAN()
+ 
+ typedef union
+ {
+   long double value;
+   struct {
+     u_int32_t lswlo;
+     u_int32_t lswhi;
+     u_int32_t mswlo;
+@@ -87,17 +73,17 @@ typedef union
+   struct {
+     u_int64_t lsw;
+     u_int64_t msw;
+   } parts64;
+ } ieee_quad_shape_type;
+ 
+ #endif
+ 
+-#if IEEE_WORD_ORDER == BIG_ENDIAN
++#if MOZ_BIG_ENDIAN()
+ 
+ typedef union
+ {
+   double value;
+   struct
+   {
+     u_int32_t msw;
+     u_int32_t lsw;
+@@ -105,17 +91,17 @@ typedef union
+   struct
+   {
+     u_int64_t w;
+   } xparts;
+ } ieee_double_shape_type;
+ 
+ #endif
+ 
+-#if IEEE_WORD_ORDER == LITTLE_ENDIAN
++#if MOZ_LITTLE_ENDIAN()
+ 
+ typedef union
+ {
+   double value;
+   struct
+   {
+     u_int32_t lsw;
+     u_int32_t msw;