37 lines
2.0 KiB
CMake
37 lines
2.0 KiB
CMake
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# NOTE: this function definition is copied directly to scripts/buildsystems/vcpkg.cmake
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# do not make changes here without making the same change there.
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macro(z_vcpkg_function_arguments OUT_VAR)
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if("${ARGC}" EQUAL 1)
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set(z_vcpkg_function_arguments_FIRST_ARG 0)
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elseif("${ARGC}" EQUAL 2)
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set(z_vcpkg_function_arguments_FIRST_ARG "${ARGV1}")
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if(NOT z_vcpkg_function_arguments_FIRST_ARG GREATER_EQUAL "0" AND NOT z_vcpkg_function_arguments_FIRST_ARG LESS "0")
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message(FATAL_ERROR "z_vcpkg_function_arguments: index (${z_vcpkg_function_arguments_FIRST_ARG}) is not a number")
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elseif(z_vcpkg_function_arguments_FIRST_ARG LESS "0" OR z_vcpkg_function_arguments_FIRST_ARG GREATER ARGC)
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message(FATAL_ERROR "z_vcpkg_function_arguments: index (${z_vcpkg_function_arguments_FIRST_ARG}) out of range")
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endif()
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else()
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# vcpkg bug
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message(FATAL_ERROR "z_vcpkg_function_arguments: invalid arguments (${ARGV})")
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endif()
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set("${OUT_VAR}" "")
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# this allows us to get the value of the enclosing function's ARGC
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set(z_vcpkg_function_arguments_ARGC_NAME "ARGC")
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set(z_vcpkg_function_arguments_ARGC "${${z_vcpkg_function_arguments_ARGC_NAME}}")
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math(EXPR z_vcpkg_function_arguments_LAST_ARG "${z_vcpkg_function_arguments_ARGC} - 1")
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# GREATER_EQUAL added in CMake 3.7
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if(NOT z_vcpkg_function_arguments_LAST_ARG LESS z_vcpkg_function_arguments_FIRST_ARG)
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foreach(z_vcpkg_function_arguments_N RANGE "${z_vcpkg_function_arguments_FIRST_ARG}" "${z_vcpkg_function_arguments_LAST_ARG}")
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string(REPLACE ";" "\\;" z_vcpkg_function_arguments_ESCAPED_ARG "${ARGV${z_vcpkg_function_arguments_N}}")
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# adds an extra ";" on the front
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set("${OUT_VAR}" "${${OUT_VAR}};${z_vcpkg_function_arguments_ESCAPED_ARG}")
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endforeach()
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# and then removes that extra semicolon
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string(SUBSTRING "${${OUT_VAR}}" 1 -1 "${OUT_VAR}")
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endif()
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endmacro()
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