diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-audio-sdl/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-audio-sdl/package.mk
index 0b7d5fe0b..b6dc338fd 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-audio-sdl/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-audio-sdl/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-core/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-core/package.mk
index 9fd22f3b5..5202c6651 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-core/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-core/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-input-sdl/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-input-sdl/package.mk
index 7ebda6ecb..6ea2dda3c 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-input-sdl/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-input-sdl/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-cxd4/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-cxd4/package.mk
index 0cd09b4b3..5486ba7a1 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-cxd4/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-cxd4/package.mk
@@ -34,6 +34,7 @@ make_target() {
       CPPFLAGS="-DUSE_SSE2NEON"
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-hle/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-hle/package.mk
index 3869c667a..227b89a51 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-hle/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-rsp-hle/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-ui-console/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-ui-console/package.mk
index 18e7468fe..0ff98eaeb 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-ui-console/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-ui-console/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-glide64mk2/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-glide64mk2/package.mk
index 2658e785e..3fa88540d 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-glide64mk2/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-glide64mk2/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-gliden64/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-gliden64/package.mk
index cbb9976a4..de9ed8c7c 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-gliden64/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-gliden64/package.mk
@@ -27,6 +27,7 @@ make_target() {
       PKG_MAKE_OPTS_TARGET+="-DNOHQ=On -DCRC_ARMV8=On -DEGL=On -DNEON_OPT=On"
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-rice/package.mk b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-rice/package.mk
index c4a2e33e3..4bb23a54d 100644
--- a/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-rice/package.mk
+++ b/packages/emulators/standalone/mupen64plus-sa/mupen64plus-sa-video-rice/package.mk
@@ -27,6 +27,7 @@ make_target() {
       export USE_GLES=1
     ;;
     x86_64)
+      export HOST_CPU=x86_64
       PKG_MAKE_OPTS_TARGET+="USE_GLES=0"
     ;;
   esac
diff --git a/packages/emulators/standalone/simple64-sa/package.mk b/packages/emulators/standalone/simple64-sa/package.mk
index fb196d23f..faf659c27 100644
--- a/packages/emulators/standalone/simple64-sa/package.mk
+++ b/packages/emulators/standalone/simple64-sa/package.mk
@@ -11,11 +11,14 @@ PKG_LONGDESC="Simple64, a N64 Emulator"
 PKG_TOOLCHAIN="manual"
 
 pre_configure_target() {
-  case ${TARGET_ARCH} in
+  case ${ARCH} in
     aarch64|arm)
+      export HOST_CPU=aarch64
       find . -type f -name CMakeLists.txt -exec sed -i 's/x86-64-v3/armv8-a/g' {} \;
     ;;
-  esac
+    x86_64)
+      export HOST_CPU=x86_64
+    ;;
 }
 
 make_target() {
diff --git a/packages/emulators/standalone/simple64-sa/patches/004-enable-cross-comp.patch b/packages/emulators/standalone/simple64-sa/patches/004-enable-cross-comp.patch
new file mode 100644
index 000000000..0d51be5f5
--- /dev/null
+++ b/packages/emulators/standalone/simple64-sa/patches/004-enable-cross-comp.patch
@@ -0,0 +1,115 @@
+diff --git a/mupen64plus-core/CMakeLists.txt b/mupen64plus-core/CMakeLists.txt
+index fad5e48..f20a8ab 100644
+--- a/mupen64plus-core/CMakeLists.txt
++++ b/mupen64plus-core/CMakeLists.txt
+@@ -128,13 +128,13 @@ set_property(TARGET mupen64plus PROPERTY CXX_VISIBILITY_PRESET hidden)
+ set_property(TARGET mupen64plus PROPERTY VISIBILITY_INLINES_HIDDEN ON)
+ target_compile_options(mupen64plus PRIVATE -Ofast)
+ target_link_options(mupen64plus PRIVATE -Ofast)
+-if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+-    target_compile_options(mupen64plus PRIVATE -march=armv8-a)
+-    target_link_options(mupen64plus PRIVATE -march=armv8-a)
+-else()
++# if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
++#     target_compile_options(mupen64plus PRIVATE -march=armv8-a)
++#     target_link_options(mupen64plus PRIVATE -march=armv8-a)
++# else()
+     target_compile_options(mupen64plus PRIVATE -march=x86-64-v3)
+     target_link_options(mupen64plus PRIVATE -march=x86-64-v3)
+-endif()
++# endif()
+ if (NOT APPLE)
+     target_link_options(mupen64plus PRIVATE -Wl,-Bsymbolic -Wl,-Bsymbolic-functions)
+ endif (NOT APPLE)
+diff --git a/parallel-rdp-standalone/CMakeLists.txt b/parallel-rdp-standalone/CMakeLists.txt
+index 01d32ed..a4d777e 100644
+--- a/parallel-rdp-standalone/CMakeLists.txt
++++ b/parallel-rdp-standalone/CMakeLists.txt
+@@ -74,13 +74,13 @@ set_property(TARGET ${NAME_PLUGIN_SIMPLE64} PROPERTY CXX_VISIBILITY_PRESET hidde
+ set_property(TARGET ${NAME_PLUGIN_SIMPLE64} PROPERTY VISIBILITY_INLINES_HIDDEN ON)
+ target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -Ofast)
+ target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -Ofast)
+-if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+-    target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
+-    target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
+-else()
++# if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
++#     target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
++#     target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
++# else()
+     target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=x86-64-v3)
+     target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=x86-64-v3)
+-endif()
++# endif()
+ if (NOT APPLE)
+     target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -Wl,-Bsymbolic -Wl,-Bsymbolic-functions)
+ endif (NOT APPLE)
+diff --git a/parallel-rsp/CMakeLists.txt b/parallel-rsp/CMakeLists.txt
+index 9c5bfcf..96a6b92 100644
+--- a/parallel-rsp/CMakeLists.txt
++++ b/parallel-rsp/CMakeLists.txt
+@@ -89,13 +89,13 @@ set_property(TARGET ${NAME_PLUGIN_SIMPLE64} PROPERTY CXX_VISIBILITY_PRESET hidde
+ set_property(TARGET ${NAME_PLUGIN_SIMPLE64} PROPERTY VISIBILITY_INLINES_HIDDEN ON)
+ target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -DHAVE_MMAP -Ofast)
+ target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -DHAVE_MMAP -Ofast)
+-if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+-    target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
+-    target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
+-else()
++# if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
++#     target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
++#     target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=armv8-a)
++# else()
+     target_compile_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=x86-64-v3)
+     target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -march=x86-64-v3)
+-endif()
++# endif()
+ if (NOT APPLE)
+     target_link_options(${NAME_PLUGIN_SIMPLE64} PRIVATE -Wl,-Bsymbolic -Wl,-Bsymbolic-functions)
+ endif (NOT APPLE)
+diff --git a/simple64-audio-sdl2/CMakeLists.txt b/simple64-audio-sdl2/CMakeLists.txt
+index d80a484..6d4d691 100644
+--- a/simple64-audio-sdl2/CMakeLists.txt
++++ b/simple64-audio-sdl2/CMakeLists.txt
+@@ -26,13 +26,13 @@ set_property(TARGET simple64-audio-sdl2 PROPERTY VISIBILITY_INLINES_HIDDEN ON)
+ set_target_properties(simple64-audio-sdl2 PROPERTIES PREFIX "")
+ target_compile_options(simple64-audio-sdl2 PRIVATE -Ofast)
+ target_link_options(simple64-audio-sdl2 PRIVATE -Ofast)
+-if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+-    target_compile_options(simple64-audio-sdl2 PRIVATE -march=armv8-a)
+-    target_link_options(simple64-audio-sdl2 PRIVATE -march=armv8-a)
+-else()
++# if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
++#     target_compile_options(simple64-audio-sdl2 PRIVATE -march=armv8-a)
++#     target_link_options(simple64-audio-sdl2 PRIVATE -march=armv8-a)
++# else()
+     target_compile_options(simple64-audio-sdl2 PRIVATE -march=x86-64-v3)
+     target_link_options(simple64-audio-sdl2 PRIVATE -march=x86-64-v3)
+-endif()
++# endif()
+ if (NOT APPLE)
+     target_link_options(simple64-audio-sdl2 PRIVATE -Wl,-Bsymbolic -Wl,-Bsymbolic-functions)
+ endif (NOT APPLE)
+diff --git a/simple64-gui/CMakeLists.txt b/simple64-gui/CMakeLists.txt
+index a5d3ccb..c19cdeb 100644
+--- a/simple64-gui/CMakeLists.txt
++++ b/simple64-gui/CMakeLists.txt
+@@ -76,13 +76,13 @@ set_property(TARGET simple64-gui PROPERTY CXX_VISIBILITY_PRESET hidden)
+ set_property(TARGET simple64-gui PROPERTY VISIBILITY_INLINES_HIDDEN ON)
+ target_compile_options(simple64-gui PRIVATE -Ofast)
+ target_link_options(simple64-gui PRIVATE -Ofast)
+-if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+-    target_compile_options(simple64-gui PRIVATE -march=armv8-a)
+-    target_link_options(simple64-gui PRIVATE -march=armv8-a)
+-else()
++# if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
++#     target_compile_options(simple64-gui PRIVATE -march=armv8-a)
++#     target_link_options(simple64-gui PRIVATE -march=armv8-a)
++# else()
+     target_compile_options(simple64-gui PRIVATE -march=x86-64-v3)
+     target_link_options(simple64-gui PRIVATE -march=x86-64-v3)
+-endif()
++# endif()
+ if (NOT APPLE)
+     target_link_options(simple64-gui PRIVATE -Wl,-Bsymbolic -Wl,-Bsymbolic-functions)
+ endif (NOT APPLE)
diff --git a/packages/multimedia/x265/package.mk b/packages/multimedia/x265/package.mk
index 4a8d791f8..32252f1de 100644
--- a/packages/multimedia/x265/package.mk
+++ b/packages/multimedia/x265/package.mk
@@ -11,7 +11,19 @@ PKG_DEPENDS_TARGET="toolchain"
 PKG_LONGDESC="x265 is a H.265/HEVC video encoder application library"
 PKG_TOOLCHAIN="make"
 
+if [ "${TARGET_ARCH}" = "x86_64" ]; then
+  PKG_DEPENDS_TARGET+=" nasm:host"
+fi
+
+
 pre_configure_target() {
   LDFLAGS="${LDFLAGS} -ldl"
-  cmake -G "Unix Makefiles" ./source
-}
+
+    # custom cmake build to override the LOCAL_CC/CXX
+  cp ${CMAKE_CONF} cmake-x265.conf
+
+  echo "SET(CMAKE_C_COMPILER   ${CC})"  >> cmake-x265.conf
+  echo "SET(CMAKE_CXX_COMPILER ${CXX})" >> cmake-x265.conf
+
+  cmake -DCMAKE_TOOLCHAIN_FILE=cmake-x265.conf -G "Unix Makefiles" ./source
+}
\ No newline at end of file