Fix for llvm-mingw Win64 build.

Author: paulocesarbot

modules/skcms/BUILD.gn

@@ -91,7 +91,7 @@ static_library("skcms") {
   } else if (is_clang) {
     cflags_c += [ "-std=c11" ]
   }
-  if (target_cpu != "x64" || target_os == "android" || (is_win && is_mingw)) {
+  if (target_cpu != "x64" || target_os == "android") {
     defines = [
       "SKCMS_DISABLE_HSW",
       "SKCMS_DISABLE_SKX",

modules/skcms/src/skcms_internals.h

@@ -86,9 +86,10 @@ extern "C" {
 #define SAFE_FIXED_SIZE(type) ((uint64_t)offsetof(type, variable))
 
 // If this isn't Clang, GCC, or Emscripten with SIMD support, we are in SKCMS_PORTABLE mode.
-#if !defined(SKCMS_PORTABLE) && !(defined(__clang__) || \
-                                  defined(__GNUC__) || \
-                                  (defined(__EMSCRIPTEN__) && defined(__wasm_simd128__)))
+#if !defined(SKCMS_PORTABLE) && (defined(__MINGW32__) || \
+                                 !(defined(__clang__) || \
+                                   defined(__GNUC__) || \
+                                   (defined(__EMSCRIPTEN__) && defined(__wasm_simd128__))))
     #define SKCMS_PORTABLE 1
 #endif