OE/Yocto SDK mitigation#2861
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When using OE/Yocto to create a SDK/toolchain, the generated LibwebsocketsTargets.cmake falsely contains the host path (build artifacts) in INTERFACE_LINK_LIBRARIES instead of the actually installed SDK path. This host path originates from OPENSSL_LIBRARIES that gives the full path to the openssl library at build time. To avoid propagating full build host specific path to generated LibwebsocketsTargets.cmake, this patch forces to link with ssl and crypto instead of a full path.
When using OE/Yocto to create a SDK/toolchain, the generated LibwebsocketsTargets.cmake falsely contains the host path (build artifacts) in INTERFACE_LINK_LIBRARIES instead of the actually installed SDK path. This host path originates from LIBUV_LIBRARIES that gives the full path to the openssl library at build time. To avoid propagating full build host specific path to generated LibwebsocketsTargets.cmake, this patch is using pkg_check_modules().
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When using OE/Yocto to create a SDK/toolchain, the generated LibwebsocketsTargets.cmake falsely contains the host path (build artifacts) in INTERFACE_LINK_LIBRARIES instead of the actually installed SDK path.
This originates from LIBUV_LIBRARIES and OPENSSL_LIBRARIES because they contain the full host path to the libraries instead of just library names (without the '-l').
There might be more full host path for different LWS features.
For reference, a similar report issue is here.
Maybe this mitigation is better addressed at meta-openembedded?