Native: compile runtime/src/cpp/math code only for wasm32

kotlin-native/runtime/src/main/cpp/math/endian.h

@@ -1,3 +1,5 @@
+#ifdef KONAN_WASM
+
 #ifndef _ENDIAN_H
 #define _ENDIAN_H
 
@@ -80,3 +82,5 @@ static __inline uint64_t __bswap64(uint64_t __x)
 #endif
 
 #endif
+
+#endif // KONAN_WASM

kotlin-native/runtime/src/main/cpp/math/fmod.cpp

@@ -1,13 +1,10 @@
+#ifdef KONAN_WASM
+
 #include <math.h>
 #include <stdint.h>
-
-#ifdef KONAN_WASM
 #include "Common.h"
-#endif
 
-#ifdef KONAN_WASM
 RUNTIME_USED
-#endif
 double fmod(double x, double y)
 {
 	union {double f; uint64_t i;} ux = {x}, uy = {y};
@@ -73,3 +70,5 @@ double fmod(double x, double y)
 	ux.i = uxi;
 	return ux.f;
 }
+
+#endif // KONAN_WASM

kotlin-native/runtime/src/main/cpp/math/fmodf.cpp

@@ -1,13 +1,10 @@
+#ifdef KONAN_WASM
+
 #include <math.h>
 #include <stdint.h>
-
-#ifdef KONAN_WASM
 #include "Common.h"
-#endif
 
-#ifdef KONAN_WASM
 RUNTIME_USED
-#endif
 float fmodf(float x, float y)
 {
 	union {float f; uint32_t i;} ux = {x}, uy = {y};
@@ -70,3 +67,5 @@ float fmodf(float x, float y)
 	ux.i = uxi;
 	return ux.f;
 }
+
+#endif // KONAN_WASM

kotlin-native/runtime/src/main/cpp/math/libm.h

@@ -1,3 +1,5 @@
+#ifdef KONAN_WASM
+
 /* origin: FreeBSD /usr/src/lib/msun/src/math_private.h */
 /*
  * ====================================================
@@ -161,3 +163,5 @@ long double __polevll(long double, const long double *, int);
 long double __p1evll(long double, const long double *, int);
 
 #endif
+
+#endif // KONAN_WASM

kotlin-native/runtime/src/main/cpp/math/scalbn.cpp

@@ -1,3 +1,5 @@
+#ifdef KONAN_WASM
+
 #include <math.h>
 #include <stdint.h>
 
@@ -29,3 +31,5 @@ double scalbn(double x, int n)
 	x = y * u.f;
 	return x;
 }
+
+#endif // KONAN_WASM