diff options
Diffstat (limited to 'vcpkg/scripts/cmake/vcpkg_minimum_required.cmake')
| -rw-r--r-- | vcpkg/scripts/cmake/vcpkg_minimum_required.cmake | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vcpkg/scripts/cmake/vcpkg_minimum_required.cmake b/vcpkg/scripts/cmake/vcpkg_minimum_required.cmake new file mode 100644 index 0000000..1ef1496 --- /dev/null +++ b/vcpkg/scripts/cmake/vcpkg_minimum_required.cmake @@ -0,0 +1,35 @@ +function(vcpkg_minimum_required) + cmake_parse_arguments(PARSE_ARGV 0 arg "" "VERSION" "") + if(NOT DEFINED VCPKG_BASE_VERSION) + message(FATAL_ERROR "Your vcpkg executable is outdated and is not compatible with the current CMake scripts.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() + if(NOT DEFINED arg_VERSION) + message(FATAL_ERROR "VERSION must be specified") + 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 "${arg_VERSION}" MATCHES "${vcpkg_date_regex}") + message(FATAL_ERROR + "VERSION (${arg_VERSION}) was not a valid date - expected something of the form 'YYYY-MM-DD'" + ) + endif() + + string(REPLACE "-" "." VCPKG_BASE_VERSION_as_dotted "${VCPKG_BASE_VERSION}") + string(REPLACE "-" "." arg_VERSION_as_dotted "${arg_VERSION}") + + if("${VCPKG_BASE_VERSION_as_dotted}" VERSION_LESS "${arg_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(VERSION ${arg_VERSION}). " + "Please re-acquire vcpkg by running bootstrap-vcpkg." + ) + endif() +endfunction() |