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  • John Hood's avatar
    Fix Appveyor build. · b1da7005
    John Hood authored
    Change the openssl-devel package to libssl-devel.  Cygwin still has an
    "obsolete" (essentially virtual) package for openssl-devel, but it
    doesn't seem to work properly on Appveyor's Cygwin install.
    
    Protobuf >= 3.6.0 requires C++11, which I added support for last year.
    But when I did that, I requested strict ANSI C++ compatibility, which
    causes Cygwin/newlib's libc feature test macros to be set to disable
    (at least) POSIX.1 extensions.  Let the Autoconf macro use its default
    instead (prefer GNU/extended C++, accept anything).
    b1da7005