mirror of
https://github.com/microsoft/vcpkg.git
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36 lines
1.2 KiB
CMake
36 lines
1.2 KiB
CMake
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function(vcpkg_backup_env_variables)
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cmake_parse_arguments(PARSE_ARGV 0 arg "" "" "VARS")
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if(NOT DEFINED arg_VARS)
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message(FATAL_ERROR "VARS must be defined.")
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endif()
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if(DEFINED arg_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
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endif()
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foreach(envvar IN LISTS arg_VARS)
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if(DEFINED ENV{${envvar}})
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set("z_vcpkg_env_backup_${envvar}" "$ENV{${envvar}}" PARENT_SCOPE)
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else()
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unset("z_vcpkg_env_backup_${envvar}" PARENT_SCOPE)
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endif()
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endforeach()
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endfunction()
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function(vcpkg_restore_env_variables)
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cmake_parse_arguments(PARSE_ARGV 0 arg "" "" "VARS")
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if(NOT DEFINED arg_VARS)
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message(FATAL_ERROR "VARS must be defined.")
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endif()
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if(DEFINED arg_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
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endif()
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foreach(envvar IN LISTS arg_VARS)
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if(DEFINED z_vcpkg_env_backup_${envvar})
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set("ENV{${envvar}}" "${z_vcpkg_env_backup_${envvar}}")
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else()
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unset("ENV{${envvar}}")
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endif()
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endforeach()
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endfunction()
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