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I'm on a windows 10 machine. I have installed cpprestsdk using vcpkg 

vcpkg install cpprestsdk

My CMakeLists.txt has the following lines 

find_package(cpprestsdk CONFIG REQUIRED) target_link_libraries(${PROJECT_NAME} PRIVATE cpprestsdk::cpprest cpprestsdk::cpprestsdk_zlib_internal cpprestsdk::cpprestsdk_boost_internal cpprestsdk::cpprestsdk_brotli_internal)

running 

cmake -GNinja .. -DCMAKE_TOOLCHAIN_FILE="C:\Program Files\vcpkg\scripts\buildsystems\vcpkg.cmake"

gives me the following error

Make Error at C:/Program Files/vcpkg/scripts/buildsystems/vcpkg.cmake:250 (_add_library): Target "<target_name_hidden>" links to targe "cpprestsdk::cpprestsdk_boost_internal" but the target was not found. Perhaps a find_package() call is missing for an IMPORTED target, or an

ALIAS target is missing?

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  • Normally "internal" prefix/suffix in a name means this name is internal to implementation and shouldn't be used outside. Why do you use cpprestsdk::cpprestsdk_zlib_internal instead of simple find_package(ZLIB)? Commented May 12, 2020 at 9:50

1 Answer 1

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find zlib - find module introduces interface library cpprestsdk_zlib_internal which doesn't have install instructions so will not be available in namespace cpprestsdk and wasn't imported

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2 Comments

If I remove cpprestsdk::cpprestsdk_boost_internal but keep the cpprestsdk::cpprestsdk_zlib_internal it works fine. What is it exactly that you're asking me to do here? @vsh
infact installing via vcpkg suggests this find_package(cpprestsdk CONFIG REQUIRED) target_link_libraries(main PRIVATE cpprestsdk::cpprest cpprestsdk::cpprestsdk_zlib_internal cpprestsdk::cpprestsdk_boost_internal cpprestsdk::cpprestsdk_openssl_internal)

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