Issue #16194 has been reported by shevegen (Robert A. Heiler).

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Bug #16194: Can not compile the recent ruby 2.6.5 release due to some openssl-related issue (see issue description)
https://bugs.ruby-lang.org/issues/16194

* Author: shevegen (Robert A. Heiler)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: new ruby 2.6.5 release published today (1st october 2019)
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN
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I am trying to compile the latest 2.6.5 release, just released recently:

    https://ftp.ruby-lang.org/pub/ruby/2.6/ruby-2.6.5.tar.xz

I had a problem, which will be mentioned soon; but I first made sure that I do not
have this problem with ruby-2.6.4, so I believe something must have changed in
behaviour.

Here is the configure line I was using for 2.6.4:

    ./configure --prefix=/opt/ruby  --enable-debug-env --enable-load-relative --enable-frozen-string-literal-debug --enable-pthread --enable-shared --with-ext=readline,openssl,+ --disable-install-capi --disable-install-doc --disable-install-rdoc

This was just a test-configure; both "make" and "make install" finished without an error though.

I then tried with 2.6.5 with exactly the same configure option as above, and this error appeared
during **make install**:


    x86_64-linux/openssl.so: undefined symbol: EC_GROUP_new_curve_GF2m - /Depot/jjjj/ruby-2.6.5/.ext/x86_64-linux/openssl.so (LoadError)
    make: *** [uncommon.mk:371: do-install-nodoc] Error 1

My local openssl is 1.1.1c by the way (also self-compiled; I compile everything from source,
typically via help from ruby. I could try ftp://ftp.openssl.org/source/openssl-1.1.1d.tar.gz
perhaps but I have had some difficulties with openssl in the past, so I'd rather try more stable
releases of openssl than unstable ones).

Anyway, I am just reporting this here so that the ruby core team is aware of the problem. No
idea what EC_GROUP_new_curve_GF2m is, but it does not appear to occur on ruby-2.6.4.




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