35 lines
1.4 KiB
CMake
Executable file
35 lines
1.4 KiB
CMake
Executable file
function(vcpkg_minimum_required)
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cmake_parse_arguments(PARSE_ARGV 0 arg "" "VERSION" "")
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if(NOT DEFINED VCPKG_BASE_VERSION)
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message(FATAL_ERROR "Your vcpkg executable is outdated and is not compatible with the current CMake scripts.
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Please re-acquire vcpkg by running bootstrap-vcpkg."
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)
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endif()
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if(NOT DEFINED arg_VERSION)
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message(FATAL_ERROR "VERSION must be specified")
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endif()
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set(vcpkg_date_regex "^[12][0-9][0-9][0-9]-[01][0-9]-[0-3][0-9]$")
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if(NOT "${VCPKG_BASE_VERSION}" MATCHES "${vcpkg_date_regex}")
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message(FATAL_ERROR
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"vcpkg internal failure; VCPKG_BASE_VERSION (${VCPKG_BASE_VERSION}) was not a valid date."
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)
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endif()
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if(NOT "${arg_VERSION}" MATCHES "${vcpkg_date_regex}")
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message(FATAL_ERROR
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"VERSION (${arg_VERSION}) was not a valid date - expected something of the form 'YYYY-MM-DD'"
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)
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endif()
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string(REPLACE "-" "." VCPKG_BASE_VERSION_as_dotted "${VCPKG_BASE_VERSION}")
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string(REPLACE "-" "." arg_VERSION_as_dotted "${arg_VERSION}")
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if("${VCPKG_BASE_VERSION_as_dotted}" VERSION_LESS "${arg_VERSION_as_dotted}")
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message(FATAL_ERROR
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"Your vcpkg executable is from ${VCPKG_BASE_VERSION} which is older than required by the caller "
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"of vcpkg_minimum_required(VERSION ${arg_VERSION}). "
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"Please re-acquire vcpkg by running bootstrap-vcpkg."
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)
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endif()
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endfunction()
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