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Why does compiler fail to compile sha512.c?

April 26, 2017compiler fail

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Why does compiler fail to compile sha512.c?

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OpenSSL SHA-512 implementation depends on compiler support for 64-bit integer type. Few elder compilers [ULTRIX cc, SCO compiler to mention a couple] lack support for this and therefore are incapable of compiling the module in question. The recommendation is to disable SHA-512 by adding no-sha512 to ./config [or ./Configure] command line. Another possible alternative might be to switch to GCC.