diff --git a/contrib/depends/toolchain.cmake.in b/contrib/depends/toolchain.cmake.in
index ee982fe..30725f8 100644
--- a/contrib/depends/toolchain.cmake.in
+++ b/contrib/depends/toolchain.cmake.in
@@ -69,6 +69,9 @@ set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) # Find programs on host
 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) # Find libs in target
 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) # Find includes in target
 
+add_definitions(-DHIDAPI_DUMMY=ON)
+set(HIDAPI_DUMMY ON)
+
 # specify the cross compiler to be used. Darwin uses clang provided by the SDK.
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
   if(ARCHITECTURE STREQUAL "aarch64")
@@ -97,15 +100,12 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
   SET(BUILD_64 ON)
   SET(BREW OFF)
   SET(PORT OFF)
-  SET(CMAKE_OSX_SYSROOT "@prefix@/native/SDK/")
   SET(CMAKE_OSX_DEPLOYMENT_TARGET "10.14")
   SET(CMAKE_CXX_STANDARD 14)
   SET(LLVM_ENABLE_PIC OFF)
   SET(LLVM_ENABLE_PIE OFF)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
   add_definitions(-DUSE_DEVICE_TREZOR=OFF)
-  add_definitions(-DHIDAPI_DUMMY=ON)
-  set(HIDAPI_DUMMY ON)
   SET(ANDROID TRUE)
   if(ARCHITECTURE STREQUAL "armv7a")
     SET(CMAKE_ANDROID_ARCH_ABI "armeabi-v7a")
@@ -132,8 +132,6 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
   SET(CMAKE_CXX_COMPILER @CXX@)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "iOS")
   set(USE_DEVICE_TREZOR OFF)
-  add_definitions(-DHIDAPI_DUMMY=ON)
-  set(HIDAPI_DUMMY ON)
   add_definitions(-DUSE_DEVICE_LEDGER=ON)
   SET(CMAKE_C_COMPILER @CC@)
   SET(CMAKE_CXX_COMPILER @CXX@)
diff --git a/patches/monero/0006-add-dummy-device-for-ledger.patch b/patches/monero/0006-add-dummy-device-for-ledger.patch
index cb7266d..30261a4 100644
--- a/patches/monero/0006-add-dummy-device-for-ledger.patch
+++ b/patches/monero/0006-add-dummy-device-for-ledger.patch
@@ -22,23 +22,38 @@ Subject: [PATCH 06/17] add dummy device for ledger
  create mode 100644 src/device/device_io_dummy.hpp
 
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index c73b813d8..5c0f31cb8 100644
+index c73b813d8..ce5ef4bab 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -692,8 +692,12 @@ include_directories(${LMDB_INCLUDE})
+@@ -692,16 +692,21 @@ include_directories(${LMDB_INCLUDE})
  include_directories(${LIBUNWIND_INCLUDE})
  link_directories(${LIBUNWIND_LIBRARY_DIRS})
  
+-# Final setup for hid
+-if (HIDAPI_FOUND) 
+-  message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
+-  add_definitions(-DHAVE_HIDAPI)
+-  include_directories(${HIDAPI_INCLUDE_DIR})
+-  link_directories(${LIBHIDAPI_LIBRARY_DIRS})
 +if (HIDAPI_DUMMY)
 +  add_definitions(-DHIDAPI_DUMMY)
-+endif()
+ else()
+-  message(STATUS "Could not find HIDAPI")
++  # Final setup for hid
++  if (HIDAPI_FOUND)
++    message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
++    add_definitions(-DHAVE_HIDAPI)
++    include_directories(${HIDAPI_INCLUDE_DIR})
++    link_directories(${LIBHIDAPI_LIBRARY_DIRS})
++  else()
++    message(STATUS "Could not find HIDAPI")
++  endif()
+ endif()
+ 
 +
- # Final setup for hid
--if (HIDAPI_FOUND) 
-+if (HIDAPI_FOUND)
-   message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
-   add_definitions(-DHAVE_HIDAPI)
-   include_directories(${HIDAPI_INCLUDE_DIR})
+ # Trezor support check
+ include(CheckTrezor)
+ 
 diff --git a/src/device/CMakeLists.txt b/src/device/CMakeLists.txt
 index e4f1159b5..14d398f87 100644
 --- a/src/device/CMakeLists.txt
diff --git a/patches/wownero/0008-add-dummy-device-for-ledger.patch b/patches/wownero/0008-add-dummy-device-for-ledger.patch
index 3c7a08f..47b0cc7 100644
--- a/patches/wownero/0008-add-dummy-device-for-ledger.patch
+++ b/patches/wownero/0008-add-dummy-device-for-ledger.patch
@@ -21,23 +21,38 @@ Subject: [PATCH 08/15] add dummy device for ledger
  create mode 100644 src/device/device_io_dummy.hpp
 
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 88335ee9d..86000f811 100644
+index c73b813d8..ce5ef4bab 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -693,8 +693,12 @@ include_directories(${LMDB_INCLUDE})
+@@ -692,16 +692,21 @@ include_directories(${LMDB_INCLUDE})
  include_directories(${LIBUNWIND_INCLUDE})
  link_directories(${LIBUNWIND_LIBRARY_DIRS})
  
+-# Final setup for hid
+-if (HIDAPI_FOUND) 
+-  message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
+-  add_definitions(-DHAVE_HIDAPI)
+-  include_directories(${HIDAPI_INCLUDE_DIR})
+-  link_directories(${LIBHIDAPI_LIBRARY_DIRS})
 +if (HIDAPI_DUMMY)
 +  add_definitions(-DHIDAPI_DUMMY)
-+endif()
+ else()
+-  message(STATUS "Could not find HIDAPI")
++  # Final setup for hid
++  if (HIDAPI_FOUND)
++    message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
++    add_definitions(-DHAVE_HIDAPI)
++    include_directories(${HIDAPI_INCLUDE_DIR})
++    link_directories(${LIBHIDAPI_LIBRARY_DIRS})
++  else()
++    message(STATUS "Could not find HIDAPI")
++  endif()
+ endif()
+ 
 +
- # Final setup for hid
--if (HIDAPI_FOUND) 
-+if (HIDAPI_FOUND)
-   message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
-   add_definitions(-DHAVE_HIDAPI)
-   include_directories(${HIDAPI_INCLUDE_DIR})
+ # Trezor support check
+ include(CheckTrezor)
+ 
 diff --git a/src/device/CMakeLists.txt b/src/device/CMakeLists.txt
 index e4f1159b5..14d398f87 100644
 --- a/src/device/CMakeLists.txt
@@ -235,13 +250,13 @@ index 000000000..edb4beea3
 +            MDEBUG("exchange(): waitsForDeviceSend");
 +            // NOTE: waitsForDeviceSend should be changed by external code
 +            while (waitsForDeviceSend) {
-+                usleep(1000);
++                std::this_thread::sleep_for(std::chrono::microseconds(1000));
 +                MDEBUG("exchange(): waitsForDeviceSend (still)");
 +            }
 +
 +            MDEBUG("exchange(): waitsForDeviceReceive");
 +            while (waitsForDeviceReceive) {
-+                usleep(1000);
++                std::this_thread::sleep_for(std::chrono::microseconds(1000));
 +                MDEBUG("exchange(): waitsForDeviceReceive (still)");
 +            }
 +