vcpkg/scripts/cmake/vcpkg_minimum_required.cmake

50 lines
1.7 KiB
CMake

#[===[.md:
# vcpkg_minimum_required
Asserts that the version of the vcpkg program being used to build a port is later than the supplied date, inclusive.
## Usage
```cmake
vcpkg_minimum_required(VERSION 2021-01-13)
```
## Parameters
### VERSION
The date-version to check against.
#]===]
function(vcpkg_minimum_required)
cmake_parse_arguments(PARSE_ARGV 0 _vcpkg "" "VERSION" "")
if (NOT DEFINED VCPKG_BASE_VERSION)
message(FATAL_ERROR
"Your vcpkg executable is outdated and is not compatible with the current CMake scripts. "
"Please re-acquire vcpkg by running bootstrap-vcpkg."
)
endif()
set(_vcpkg_date_regex "^[12][0-9][0-9][0-9]-[01][0-9]-[0-3][0-9]$")
if (NOT VCPKG_BASE_VERSION MATCHES "${_vcpkg_date_regex}")
message(FATAL_ERROR
"vcpkg internal failure; \${VCPKG_BASE_VERSION} (${VCPKG_BASE_VERSION}) was not a valid date."
)
endif()
if (NOT _vcpkg_VERSION MATCHES "${_vcpkg_date_regex}")
message(FATAL_ERROR
"VERSION parameter to vcpkg_minimum_required was not a valid date. "
"Comparing with vcpkg tool version ${_vcpkg_matched_base_version}"
)
endif()
string(REPLACE "-" "." _VCPKG_BASE_VERSION_as_dotted "${VCPKG_BASE_VERSION}")
string(REPLACE "-" "." _vcpkg_VERSION_as_dotted "${_vcpkg_VERSION}")
if (_VCPKG_BASE_VERSION_as_dotted VERSION_LESS _vcpkg_VERSION_as_dotted)
message(FATAL_ERROR
"Your vcpkg executable is from ${VCPKG_BASE_VERSION} which is older than required by the caller "
"of vcpkg_minimum_required (${_vcpkg_VERSION}). "
"Please re-acquire vcpkg by running bootstrap-vcpkg."
)
endif()
endfunction()