Merge pull request #2647 from moriyoshi/moriyoshi/cygwin-x86_64-support

Cygwin x86_64 support.

build/platform-cygwin_nt.mk

@@ -0,0 +1,20 @@
+include $(SRC_PATH)build/x86-common.mk
+SHAREDLIB_DIR = $(PREFIX)/bin
+SHAREDLIBSUFFIX = dll
+SHAREDLIBSUFFIXFULLVER=$(SHAREDLIBSUFFIX)
+SHAREDLIBSUFFIXMAJORVER=$(SHAREDLIBSUFFIX)
+EXTRA_LIBRARY=$(LIBPREFIX)$(PROJECT_NAME).dll.a
+SHLDFLAGS = -Wl,--out-implib,$(EXTRA_LIBRARY)
+CFLAGS += -MMD -MP
+LDFLAGS +=
+ifeq ($(ARCH), x86_64)
+ASMFLAGS += -f win64
+ASMFLAGS_PLATFORM = -DWIN64
+CC = x86_64-pc-cygwin-gcc
+CXX = x86_64-pc-cygwin-g++
+AR = x86_64-pc-cygwin-gcc-ar
+else
+ASMFLAGS += -f win32 -DPREFIX
+endif
+EXEEXT = .exe
+

codec/common/inc/WelsThreadLib.h

@@ -47,7 +47,7 @@
 extern "C" {
 #endif
 
-#if defined(_WIN32)
+#if defined(_WIN32) || defined(__CYGWIN__)
 
 #include <windows.h>
 

codec/common/src/WelsThreadLib.cpp

@@ -44,7 +44,7 @@
 #define _GNU_SOURCE
 #endif
 #include <sched.h>
-#elif !defined(_WIN32)
+#elif !defined(_WIN32) && !defined(__CYGWIN__)
 #include <sys/types.h>
 #include <sys/sysctl.h>
 #include <sys/param.h>
@@ -67,7 +67,7 @@
 #include <stdlib.h>
 
 
-#ifdef  _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 
 #ifdef WINAPI_FAMILY
 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
@@ -129,7 +129,7 @@ WELS_THREAD_ERROR_CODE    WelsMutexDestroy (WELS_MUTEX* mutex) {
 
 #endif /* !_WIN32 */
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 
 WELS_THREAD_ERROR_CODE    WelsEventOpen (WELS_EVENT* event, const char* event_name) {
   WELS_EVENT   h = CreateEvent (NULL, FALSE, FALSE, NULL);