Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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63 lines
2.9 KiB
63 lines
2.9 KiB
set(PACKAGE_VERSION "@protobuf_VERSION@") |
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set(${PACKAGE_FIND_NAME}_VERSION_PRERELEASE "@protobuf_VERSION_PRERELEASE@" PARENT_SCOPE) |
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# Prerelease versions cannot be passed in directly via the find_package command, |
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# so we allow users to specify it in a variable |
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if(NOT DEFINED "${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE") |
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set("${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}" "") |
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else() |
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set(PACKAGE_FIND_VERSION ${PACKAGE_FIND_VERSION}-${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}) |
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endif() |
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set(PACKAGE_FIND_VERSION_PRERELEASE "${${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE}") |
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# VERSION_EQUAL ignores the prerelease strings, so we use STREQUAL. |
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if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION) |
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set(PACKAGE_VERSION_EXACT TRUE) |
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endif() |
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set(PACKAGE_VERSION_COMPATIBLE TRUE) #Assume true until shown otherwise |
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if(PACKAGE_FIND_VERSION) #Only perform version checks if one is given |
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if(NOT PACKAGE_FIND_VERSION_MAJOR EQUAL "@protobuf_VERSION_MAJOR@") |
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set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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elseif(PACKAGE_FIND_VERSION VERSION_GREATER PACKAGE_VERSION) |
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set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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elseif(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION) |
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# Do not match prerelease versions to non-prerelease version requests. |
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if(NOT "@protobuf_VERSION_PRERELEASE@" STREQUAL "" AND PACKAGE_FIND_VERSION_PRERELEASE STREQUAL "") |
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message(AUTHOR_WARNING "To use this prerelease version of ${PACKAGE_FIND_NAME}, set ${PACKAGE_FIND_NAME}_FIND_VERSION_PRERELEASE to '@protobuf_VERSION_PRERELEASE@' or greater.") |
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set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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endif() |
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# Not robustly SemVer compliant, but protobuf never uses '.' separated prerelease identifiers. |
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if(PACKAGE_FIND_VERSION_PRERELEASE STRGREATER "@protobuf_VERSION_PRERELEASE@") |
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set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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endif() |
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endif() |
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endif() |
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# Check and save build options used to create this package |
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macro(_check_and_save_build_option OPTION VALUE) |
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if(DEFINED ${PACKAGE_FIND_NAME}_${OPTION} AND |
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NOT ${PACKAGE_FIND_NAME}_${OPTION} STREQUAL ${VALUE}) |
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set(PACKAGE_VERSION_UNSUITABLE TRUE) |
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endif() |
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set(${PACKAGE_FIND_NAME}_${OPTION} ${VALUE} PARENT_SCOPE) |
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endmacro() |
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if(PACKAGE_VERSION_COMPATIBLE) |
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_check_and_save_build_option(WITH_ZLIB @protobuf_WITH_ZLIB@) |
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_check_and_save_build_option(MSVC_STATIC_RUNTIME @protobuf_MSVC_STATIC_RUNTIME@) |
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_check_and_save_build_option(BUILD_SHARED_LIBS @protobuf_BUILD_SHARED_LIBS@) |
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endif() |
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# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it: |
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if(CMAKE_SIZEOF_VOID_P AND "@CMAKE_SIZEOF_VOID_P@") |
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# check that the installed version has the same 32/64bit-ness as the one which is currently searching: |
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if(NOT CMAKE_SIZEOF_VOID_P EQUAL "@CMAKE_SIZEOF_VOID_P@") |
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math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8") |
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set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)") |
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set(PACKAGE_VERSION_UNSUITABLE TRUE) |
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endif() |
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endif() |
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