From 954c580548962a1de61a6443bd2efd43581b8009 Mon Sep 17 00:00:00 2001
From: Supreet Deshpande <supreet.deshpande@espressif.com>
Date: Thu, 9 Jul 2020 10:44:04 +0530
Subject: [PATCH] Add platform independent CMake signing

Closes https://github.com/espressif/esp-idf/issues/5557
---
 components/bootloader/subproject/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/bootloader/subproject/CMakeLists.txt b/components/bootloader/subproject/CMakeLists.txt
index 06c0b26b83..d3f9d2e53e 100644
--- a/components/bootloader/subproject/CMakeLists.txt
+++ b/components/bootloader/subproject/CMakeLists.txt
@@ -105,7 +105,7 @@ if(CONFIG_SECURE_BOOT_V2_ENABLED)
 
         set(bootloader_unsigned_bin "bootloader-unsigned.bin")
         add_custom_command(OUTPUT ".signed_bin_timestamp"
-            COMMAND cp "${CMAKE_BINARY_DIR}/${PROJECT_BIN}" "${CMAKE_BINARY_DIR}/${bootloader_unsigned_bin}"
+            COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_BINARY_DIR}/${PROJECT_BIN}" "${CMAKE_BINARY_DIR}/${bootloader_unsigned_bin}"
             COMMAND ${ESPSECUREPY} sign_data --version 2 --keyfile "${secure_boot_signing_key}"
             -o "${CMAKE_BINARY_DIR}/${PROJECT_BIN}" "${CMAKE_BINARY_DIR}/${bootloader_unsigned_bin}"
             COMMAND ${CMAKE_COMMAND} -E echo "Generated signed binary image ${build_dir}/${PROJECT_BIN}"