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tim-janik / beast

Beast - Music Synthesizer and Composer
GNU Lesser General Public License v2.1
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libxml2 in a specific version wanted #63

Closed magnetophon closed 6 years ago

magnetophon commented 6 years ago

My version of libxml2 is too new:

checking for xmllint... /nix/store/b8bjqf3nwyjhc9dw08a5fiiyzqsml57c-libxml2-2.9.8-bin/bin/xmllint
configure: error: failed to detect version 20901: /nix/store/b8bjqf3nwyjhc9dw08a5fiiyzqsml57c-libxml2-2.9.8-bin/bin/xmllint --version
/nix/store/b8bjqf3nwyjhc9dw08a5fiiyzqsml57c-libxml2-2.9.8-bin/bin/xmllint: using libxml version 20908
   compiled with: Threads Tree Output Push Reader Patterns Writer SAXv1 FTP HTTP DTDValid HTML Legacy C14N Catalog XPath XPointer XInclude Iconv ISO8859X Unicode Regexps Automata Expr Schemas Schematron Modules Debug Zlib

Does the code really need this specific version, or can the check be changed to a "newer than" check?

tim-janik commented 6 years ago

Hi, it's not exactly that your version is too new. This is my system:

$ xmllint --version xmllint: using libxml version 20904

And Beast checks for 20901. The problem is in the path you're using, our comparison macro picks up the "version" digits from the absolute pathname of your xmllint, and those won't match. In any case, your xmllint is new enough, so you can hack the configure script to ignore the version check, I'll see if our macro can be made more robust for cases like yours.