2020-12-02 05:37:26 +08:00
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#[===[.md:
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# vcpkg_fail_port_install
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Checks common requirements and fails the current portfile with a (default) error message
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## Usage
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```cmake
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vcpkg_fail_port_install(
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[ALWAYS]
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[MESSAGE <"Reason for failure">]
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[ON_TARGET <Windows> [<OSX> ...]]
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[ON_ARCH <x64> [<arm> ...]]
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[ON_CRT_LINKAGE <static> [<dynamic> ...]])
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[ON_LIBRARY_LINKAGE <static> [<dynamic> ...]]
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)
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```
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## Parameters
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### MESSAGE
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Additional failure message. If none is given, a default message will be displayed depending on the failure condition.
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### ALWAYS
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Will always fail early
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### ON_TARGET
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Targets for which the build should fail early. Valid targets are `<target>` from `VCPKG_IS_TARGET_<target>` (see `vcpkg_common_definitions.cmake`).
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### ON_ARCH
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Architecture for which the build should fail early.
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### ON_CRT_LINKAGE
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CRT linkage for which the build should fail early.
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### ON_LIBRARY_LINKAGE
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Library linkage for which the build should fail early.
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## Examples
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* [aws-lambda-cpp](https://github.com/Microsoft/vcpkg/blob/master/ports/aws-lambda-cpp/portfile.cmake)
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#]===]
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2019-08-12 14:24:20 +08:00
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function(vcpkg_fail_port_install)
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2020-10-27 10:30:27 +08:00
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# parse parameters such that semicolons in options arguments to COMMAND don't get erased
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2020-02-13 07:58:43 +08:00
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cmake_parse_arguments(PARSE_ARGV 0 _csc "ALWAYS" "MESSAGE" "ON_TARGET;ON_ARCH;ON_CRT_LINKAGE;ON_LIBRARY_LINKAGE")
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if(DEFINED _csc_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown arguments passed to vcpkg_fail_port_install. Please correct the portfile!")
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endif()
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if(DEFINED _csc_MESSAGE)
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set(_csc_MESSAGE "${_csc_MESSAGE}\n")
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else()
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set(_csc_MESSAGE "")
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endif()
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2019-08-12 14:24:20 +08:00
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2020-02-13 07:58:43 +08:00
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unset(_fail_port)
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#Target fail check
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if(DEFINED _csc_ON_TARGET)
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foreach(_target ${_csc_ON_TARGET})
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string(TOUPPER ${_target} _target_upper)
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if(VCPKG_TARGET_IS_${_target_upper})
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set(_fail_port TRUE)
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set(_csc_MESSAGE "${_csc_MESSAGE}Target '${_target}' not supported by ${PORT}!\n")
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endif()
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endforeach()
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endif()
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#Architecture fail check
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if(DEFINED _csc_ON_ARCH)
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foreach(_arch ${_csc_ON_ARCH})
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if(${VCPKG_TARGET_ARCHITECTURE} MATCHES ${_arch})
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set(_fail_port TRUE)
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set(_csc_MESSAGE "${_csc_MESSAGE}Architecture '${_arch}' not supported by ${PORT}!\n")
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endif()
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endforeach()
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endif()
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#CRT linkage fail check
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if(DEFINED _csc_ON_CRT_LINKAGE)
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foreach(_crt_link ${_csc_ON_CRT_LINKAGE})
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if("${VCPKG_CRT_LINKAGE}" MATCHES "${_crt_link}")
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set(_fail_port TRUE)
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set(_csc_MESSAGE "${_csc_MESSAGE}CRT linkage '${VCPKG_CRT_LINKAGE}' not supported by ${PORT}!\n")
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endif()
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endforeach()
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endif()
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#Library linkage fail check
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if(DEFINED _csc_ON_LIBRARY_LINKAGE)
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foreach(_lib_link ${_csc_ON_LIBRARY_LINKAGE})
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if("${VCPKG_LIBRARY_LINKAGE}" MATCHES "${_lib_link}")
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set(_fail_port TRUE)
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set(_csc_MESSAGE "${_csc_MESSAGE}Library linkage '${VCPKG_LIBRARY_LINKAGE}' not supported by ${PORT}!\n")
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endif()
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endforeach()
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endif()
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if(_fail_port OR _csc_ALWAYS)
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message(FATAL_ERROR ${_csc_MESSAGE})
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endif()
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endfunction()
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