diff --git a/std/math.d b/std/math.d
index f6767b00e..efc726720 100644
--- a/runtime/phobos/std/math.d
+++ b/runtime/phobos/std/math.d
@@ -140,7 +140,8 @@ version(LDC)
 
     version(CRuntime_Microsoft) version = LDC_MSVCRT;
 
-    version(LDC_MSVCRT) {}
+    version(LDC_MSVCRT)   {}
+    else version(Android) {}
     else
     {
         version(X86)    version = INLINE_YL2X;
@@ -172,7 +173,8 @@ else version(D_InlineAsm_X86_64)
 }
 
 // define InlineAsm*_X87 versions if real is defined as 80-bit x87
-version(LDC_MSVCRT) {}
+version(LDC_MSVCRT)   {}
+else version(Android) {}
 else
 {
     version (D_InlineAsm_X86)     version = InlineAsm_X86_X87;
@@ -7323,21 +7325,24 @@ Returns:
 R copysign(R, X)(R to, X from) @trusted pure nothrow @nogc
 if (isFloatingPoint!(R) && isFloatingPoint!(X))
 {
-  version(LDC)
-  {
-    pragma(inline, true);
-    return llvm_copysign(to, cast(R) from);
-  }
-  else
+  version(Android)
   {
-    ubyte* pto   = cast(ubyte *)&to;
-    const ubyte* pfrom = cast(ubyte *)&from;
+      version(X86_Any)
+      {
+        ubyte* pto   = cast(ubyte *)&to;
+        const ubyte* pfrom = cast(ubyte *)&from;
 
-    alias T = floatTraits!(R);
-    alias F = floatTraits!(X);
-    pto[T.SIGNPOS_BYTE] &= 0x7F;
-    pto[T.SIGNPOS_BYTE] |= pfrom[F.SIGNPOS_BYTE] & 0x80;
-    return to;
+        alias T = floatTraits!(R);
+        alias F = floatTraits!(X);
+        pto[T.SIGNPOS_BYTE] &= 0x7F;
+        pto[T.SIGNPOS_BYTE] |= pfrom[F.SIGNPOS_BYTE] & 0x80;
+        return to;
+    }
+    else
+    {
+        pragma(inline, true);
+        return llvm_copysign(to, cast(R) from);
+    }
   }
 }