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Trying to build Amber on Windows using: cmake -GNinja -DVulkan_LIBRARY="C:\VulkanSDK\1.2.135.0" ../..

Getting error as follows:

CMake Error in samples/CMakeLists.txt:
  Target "Vulkan::Vulkan" contains relative path in its
  INTERFACE_INCLUDE_DIRECTORIES:

    "C:/VulkanSDK/1.2.135.0/include"

Here is the complete output after cmake:

cmake -GNinja -DVulkan_LIBRARY="C:\VulkanSDK\1.2.135.0" ../..
-- The C compiler identification is GNU 9.3.0
-- The CXX compiler identification is GNU 9.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++.exe
-- Check for working CXX compiler: /usr/bin/c++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Using python3
-- Found PythonInterp: /cygdrive/c/Python37/python.exe (found suitable version "3.7.6", minimum required is "3")
-- Amber enable SPIRV-Tools: TRUE
-- Amber enable Shaderc: TRUE
-- Amber enable tests: TRUE
-- Amber enable samples: TRUE
-- Amber enable lodepng: TRUE
-- Amber enable SwiftShader: OFF
-- Amber enable DXC: FALSE
-- Amber enable Clspv: FALSE
-- Could NOT find Dawn (missing: Dawn_INCLUDE_DIR Dawn_GEN_INCLUDE_DIR Dawn_LIBRARY Dawn_native_LIBRARY)
-- Amber: Did not find Dawn
-- Amber: Checking for CTS Vulkan header
-- Found Vulkan: C:/VulkanSDK/1.2.135.0
-- Amber: Using Vulkan from Vulkan SDK at C:\VulkanSDK\1.2.135.0
-- No build type selected, default to Debug
-- Found PythonInterp: /cygdrive/c/Python37/python.exe (found version "3.7.6")
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - found
-- Found Threads: TRUE
-- Found PythonInterp: /cygdrive/c/Python37/python.exe (found suitable version "3.7.6", minimum required is "3")
-- optimizer enabled
-- Shaderc: build type is "Debug".
-- Configuring Shaderc to avoid building tests.
-- asciidoctor was not found - no documentation will be generated
-- Performing Test COMPILER_SUPPORTS_FALLTHROUGH_WARNING
-- Performing Test COMPILER_SUPPORTS_FALLTHROUGH_WARNING - Success
-- Performing Test COMPILER_SUPPORTS_EXTRA_SEMI_WARNING
-- Performing Test COMPILER_SUPPORTS_EXTRA_SEMI_WARNING - Success
CMake Warning (dev) at third_party/spirv-headers/CMakeLists.txt:52 (option):
  Policy CMP0077 is not set: option() honors normal variables.  Run "cmake
  --help-policy CMP0077" for policy details.  Use the cmake_policy command to
  set the policy and suppress this warning.

  For compatibility with older versions of CMake, option is clearing the
  normal variable 'SPIRV_HEADERS_SKIP_EXAMPLES'.
This warning is for project developers.  Use -Wno-dev to suppress it.

-- Installing SPIRV-Header
/cygdrive/c/amber
TRUE
/cygdrive/c/amber
TRUE
/cygdrive/c/amber
TRUE
/cygdrive/c/amber
TRUE
/cygdrive/c/amber
TRUE
/cygdrive/c/amber
TRUE
-- Configuring done
CMake Error in samples/CMakeLists.txt:
  Target "Vulkan::Vulkan" contains relative path in its
  INTERFACE_INCLUDE_DIRECTORIES:

    "C:/VulkanSDK/1.2.135.0/include"


-- Generating done
-- Build files have been written to: /cygdrive/c/amber/out/Debug

Can you try:

cmake -GNinja -DVulkan_LIBRARY="/cygdrive/c/VulkanSDK/1.2.135.0" ../..

In fact, even simpler:

cmake -GNinja -DAMBER_USE_LOCAL_VULKAN=1 ../..