--- origsrc/libvpl-2.10.2/cmake/CompileOptions.cmake	2024-02-21 06:41:06.000000000 +0900
+++ src/libvpl-2.10.2/cmake/CompileOptions.cmake	2024-02-21 16:11:27.826793000 +0900
@@ -51,16 +51,10 @@ else()
   add_compile_options("-Werror=format-security")
   if(NOT MINGW)
     string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
-    if(NOT CMAKE_BUILD_TYPE MATCHES debug)
-      add_definitions("-D_FORTIFY_SOURCE=2")
-    endif()
   endif()
   if(NOT MINGW)
     add_compile_options("-fstack-protector-strong")
   endif()
-  if(NOT MINGW)
-    add_link_options("-Wl,-z,relro,-z,now,-z,noexecstack")
-  endif()
   add_compile_options("-Wall")
   if(ENABLE_WARNING_AS_ERROR)
     add_compile_options("-Werror")
--- origsrc/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl.h	2024-02-21 06:41:06.000000000 +0900
+++ src/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl.h	2024-02-21 15:44:48.647479800 +0900
@@ -48,7 +48,7 @@ typedef char CHAR_TYPE;
         #define MSDK_LIB_NAME L"libmfxhw64."
     #endif
     #define ONEVPL_PRIORITY_PATH_VAR L"ONEVPL_PRIORITY_PATH"
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__CYGWIN__)
     // Linux x64
     #define MSDK_LIB_NAME            "libmfxhw64."
     #define ONEVPL_PRIORITY_PATH_VAR "ONEVPL_PRIORITY_PATH"
--- origsrc/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl_loader.cpp	2024-02-21 06:41:06.000000000 +0900
+++ src/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl_loader.cpp	2024-02-21 15:43:05.531476800 +0900
@@ -409,7 +409,7 @@ mfxU32 LoaderCtxVPL::GetSearchPathsLegac
 mfxU32 LoaderCtxVPL::GetSearchPathsSystemDefault(std::list<STRING_TYPE> &searchDirs) {
     searchDirs.clear();
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
     // Add the standard path for libmfx1 install in Ubuntu
     searchDirs.push_back("/usr/lib/x86_64-linux-gnu");
 
--- origsrc/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl_lowlatency.cpp	2024-02-21 06:41:06.000000000 +0900
+++ src/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl_lowlatency.cpp	2024-02-21 15:46:45.692207300 +0900
@@ -18,6 +18,9 @@
         #define LIB_ONEVPL L"libmfx64-gen.dll"
         #define LIB_MSDK   L"libmfxhw64.dll"
     #endif
+#elif defined(__CYGWIN__)
+    #define LIB_ONEVPL "libmfx64-gen.dll"
+    #define LIB_MSDK   "libmfxhw64.dll"
 #elif defined(__linux__)
     // Linux x64
     #define LIB_ONEVPL "libmfx-gen.so.1.2"
@@ -191,7 +194,7 @@ mfxStatus LoaderCtxVPL::LoadLibsFromSyst
 }
 
 mfxStatus LoaderCtxVPL::LoadLibsFromMultipleDirs(LibType libType) {
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
     // clang-format off
 
     // standard paths for RT installation on Linux
--- origsrc/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl_msdk.cpp	2024-02-21 06:41:06.000000000 +0900
+++ src/libvpl-2.10.2/libvpl/src/mfx_dispatcher_vpl_msdk.cpp	2024-02-21 15:47:17.135104700 +0900
@@ -11,7 +11,7 @@
     #include "src/mfx_dispatcher_vpl_win.h"
 #endif
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
     #include <pthread.h>
     #define strncpy_s(dst, size, src, cnt) strncpy((dst), (src), (cnt)) // NOLINT
 #endif
@@ -97,7 +97,7 @@ static const mfxImplementedFunctions msd
     (mfxChar**)msdkImplFuncsNames
 };
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
 // optional extBuf to limit threads created in MSDK session creation
 // to enable, set vplParam.NumExtParam and vplParam.ExtParam before calling MFXInitEx2()
 static const mfxExtThreadsParam extThreadParam = {
@@ -142,7 +142,7 @@ mfxStatus LoaderCtxMSDK::OpenSession(mfx
     mfxInitializationParam vplParam = {};
     vplParam.AccelerationMode       = accelMode;
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
     vplParam.ExtParam    = (mfxExtBuffer **)&extParams;
     vplParam.NumExtParam = 1;
 #else
@@ -183,7 +183,7 @@ mfxAccelerationMode LoaderCtxMSDK::CvtAc
 }
 
 mfxStatus LoaderCtxMSDK::GetDefaultAccelType(mfxU32 adapterID, mfxIMPL *implDefault, mfxU64 *luid) {
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
     // VAAPI only
     *implDefault = MFX_IMPL_VIA_VAAPI;
     *luid        = 0;
@@ -235,7 +235,7 @@ mfxStatus LoaderCtxMSDK::QueryAPIVersion
         vplParam.AccelerationMode =
             (mfxAccelerationMode)CvtAccelType(MFX_IMPL_HARDWARE, implDefault & 0xFF00);
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
         vplParam.ExtParam    = (mfxExtBuffer **)&extParams;
         vplParam.NumExtParam = 1;
 #else
@@ -279,7 +279,7 @@ mfxStatus LoaderCtxMSDK::QueryMSDKCaps(S
     m_libNameFull = libNameFull;
     m_deviceID    = 0;
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__CYGWIN__)
     // require pthreads to be linked in for MSDK RT to load
     pthread_key_t pkey;
     if (pthread_key_create(&pkey, NULL) == 0) {
@@ -510,7 +510,7 @@ mfxStatus LoaderCtxMSDK::GetRenderNodeDe
     vendorID = 0;
     deviceID = 0;
 
-#if defined(__linux__)
+#if defined(__linux__) || defined(__CYGWIN__)
     mfxU32 DRMRenderNodeNum = 128 + adapterID;
     std::string nodeStr     = std::to_string(DRMRenderNodeNum);
 
@@ -583,7 +583,7 @@ mfxStatus LoaderCtxMSDK::QueryExtDeviceI
             luidArr >>= 8;
         }
     }
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__CYGWIN__)
     extDeviceID->DRMPrimaryNodeNum = adapterID;
     extDeviceID->DRMRenderNodeNum  = 128 + adapterID;
 #endif