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I want to install my c++ library on my CentOS 7.2 server. When I'm trying to compile it with g++ The compiler says this error invalid use of incomplete type ‘HMAC_CTX {aka struct hmac_ctx_st}. I googled the error and itis reletad to an old version of OpenSSL.

When I'm trying to install the newest OpenSSL version (1.1.0c) the rmp requires to install libssl.so.1.1()(64bit).

I tried to install the newest version with yum install openssl-libs-1.1.0c-2.fc26.x86_64.rpm. When I'm installing openssl-libs he rpm requires to install libssl.so.10()(64bit).

How can I resolve the circular dependency between them?

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  • You're trying to install a Fedora RPM (... .fc26. ...) on CentOS which is unlikely to work.
    – HBruijn
    Nov 27, 2016 at 14:29
  • I'm new to CentOS. I'm understanding that fedora 26 is not the right package manager for me. Is there an official packages index for CentOS 7 (fedora 19)?
    – liorko
    Nov 27, 2016 at 14:38

1 Answer 1

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If you're compiling programs against the system libraries, you need to install the appropriate -devel packages so that the headers are available. For instance openssl-devel.

There is no need to attempt to locate (wrong) packages from different Linux distributions, and that won't even work anyway.

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