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# -*- cmake -*-
if (WINDOWS)
find_path(DIRECTX_INCLUDE_DIR dxdiag.h)
if (DIRECTX_INCLUDE_DIR)
if (NOT DIRECTX_FIND_QUIETLY)
message(STATUS "Found DirectX include: ${DIRECTX_INCLUDE_DIR}")
endif (NOT DIRECTX_FIND_QUIETLY)
else (DIRECTX_INCLUDE_DIR)
message(FATAL_ERROR "Could not find DirectX SDK Include")
endif (DIRECTX_INCLUDE_DIR)
# dxhint isn't meant to be the hard-coded DIRECTX_LIBRARY_DIR, we're just
# suggesting it as a hint to find_library(). The Windows SDK version number
# is embedded in the DIRECTX_INCLUDE_DIR path string after Include and Lib,
# which is why we don't just append a relative path: if there are multiple
# versions installed on the host, we need to be sure we're using THE SAME
# version.
string(REPLACE "/Include/" "/Lib/" dxhint "${DIRECTX_INCLUDE_DIR}")
if (ADDRESS_SIZE EQUAL 32)
set(archdir x86)
else()
set(archdir x64)
endif()
string(APPEND dxhint "/${archdir}")
find_library(DXGUID_LIBRARY dxguid HINTS "${dxhint}")
get_filename_component(DIRECTX_LIBRARY_DIR "${DXGUID_LIBRARY}" DIRECTORY)
if (DIRECTX_LIBRARY_DIR)
if (NOT DIRECTX_FIND_QUIETLY)
message(STATUS "Found DirectX library: ${DIRECTX_LIBRARY_DIR}")
endif (NOT DIRECTX_FIND_QUIETLY)
else (DIRECTX_LIBRARY_DIR)
message(FATAL_ERROR "Could not find DirectX SDK Libraries")
endif (DIRECTX_LIBRARY_DIR)
endif (WINDOWS)
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