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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for September 8th, 2016

Space…

Posted by jpluimers on 2016/09/08

50 years ago the first of an amazing series got broadcasted.

Space the final frontier.

Space the final frontier.

Original series: Star Trek – Wikipedia, the free encyclopedia

Image source: tumbex – adorkable-mandi.tumblr.com : #Star Trek

via: Source: Space……. :) For those who don’t get it… – “Space.. the final fronti…

–jeroen

Posted in Fun, History, Quotes, T-Shirt quotes | Leave a Comment »

Modifying openssl to build on Mac without makedepend: using cc -M/gcc -M/clang -M

Posted by jpluimers on 2016/09/08

Coping with OpenSSL is frustrating on so many levels. It would be hilarious if not so many depended on it.

The main thing is that there is so much cruft in openssl but nobody seemingly to care enough about copying with that cruft. Though the intentions of the LibreSSL are great and it has far left cruft, it didn’t gain enough ground in the 2+ years it exists.

For me, the biggest problem was that OpenSSL would fail to build on “modern” OS X versions. These lack makedepend which was part of OS X, but got removed somewhere between 2006 and 8.0 in 2012. Luckily, the 2006 post also mentions the alternative: gcc -M.

Actually cc -M or clang -M work just as well as cc symlinks to clang and gcc calls clang with some parameters.

OpenSSL references makedepend in a lot of Makefiles (see list below). The good part is that config and Configure modify the Makefiles so most people use a manual workaround after running Configure or revert to a macports built or other binaries of makedepend or a homebrew formula.

That is not really an automated solution suitable for general use, let alone suitable for Continuous Integration, so I dug a bit deeper: config is a shell script and Configure is a sherl script: a cleverly crafted shell script starting with the below line invoking Perl with the rest of the script. The reason is that #! shebangs need an absolute location which for Perl can vary. A nice discussion on this trick is at Running Under Some Shell which contains a more elaborate how this works:

Read the rest of this entry »

Posted in Awk, bash, Development, Makefile, Perl, Scripting, Software Development | Leave a Comment »

 
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