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if(DEFINED ENV{VCPKG_DEFAULT_TRIPLET} AND NOT DEFINED VCPKG_TARGET_TRIPLET AND NOT "$ENV{VCPKG_DEFAULT_TRIPLET}" STREQUAL "")
set(VCPKG_TARGET_TRIPLET "$ENV{VCPKG_DEFAULT_TRIPLET}" CACHE STRING "")
endif()
if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
set(VCPKG_ROOT "${CMAKE_CURRENT_BINARY_DIR}/vcpkg")
find_package(Git REQUIRED)
if(NOT EXISTS "${VCPKG_ROOT}")
message(STATUS "Cloning vcpkg in: ${VCPKG_ROOT}")
execute_process(
COMMAND ${GIT_EXECUTABLE} clone https://github.com/Microsoft/vcpkg.git "${VCPKG_ROOT}"
RESULT_VARIABLE _clone_result
)
if(NOT _clone_result EQUAL 0)
message(FATAL_ERROR "Failed to clone vcpkg in: ${VCPKG_ROOT}")
endif()
else()
message(STATUS "Updating vcpkg in: ${VCPKG_ROOT}")
execute_process(
COMMAND ${GIT_EXECUTABLE} pull
WORKING_DIRECTORY "${VCPKG_ROOT}"
)
endif()
if(NOT EXISTS "${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake")
message(FATAL_ERROR "vcpkg bootstrap failure; path not found: \"${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake\"")
endif()
set(CMAKE_TOOLCHAIN_FILE "${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake" CACHE STRING "")
endif()
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