From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,c9ea66d3dcd0bfcf X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-05-04 10:46:52 PST Path: newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.skycache.com!Cidera!cyclone-sjo1.usenetserver.com!news-out-sjo.usenetserver.com!e420r-sjo4.usenetserver.com!news-out.usenetserver.com!newshub2.rdc1.sfba.home.com!news.home.com!news1.rdc1.sfba.home.com.POSTED!not-for-mail From: tmoran@acm.org Newsgroups: comp.lang.ada Subject: Re: [ANNOUNCE] XML/Ada 0.5 released References: <3AF2BDBE.E8B6C095@canal-plus.fr> X-Newsreader: Tom's custom newsreader Message-ID: Date: Fri, 04 May 2001 17:46:52 GMT NNTP-Posting-Host: 24.20.190.201 X-Complaints-To: abuse@home.net X-Trace: news1.rdc1.sfba.home.com 988998412 24.20.190.201 (Fri, 04 May 2001 10:46:52 PDT) NNTP-Posting-Date: Fri, 04 May 2001 10:46:52 PDT Organization: Excite@Home - The Leader in Broadband http://home.com/faster Xref: newsfeed.google.com comp.lang.ada:7172 Date: 2001-05-04T17:46:52+00:00 List-Id: >1) You say that referencing the symbol "foo" from libfoo.so and linking > against libfoo.so makes your application fall under GPL. Right? Your *application* isn't GPLed, but the executable file produced by the linker is GPLed. > handle = dlopen ("libfoo.so", ...); > foo_p = dlsym (handle, "foo"); > (*foo_p) (....); > > You no longer *link* against libfoo.so. There is no stronger interaction > between your application and libfoo.so than you have with "ls" when you > use system(). > > However, the result is technically identical to point 1. No it isn't. In (1) you are distributing a file that contains material copyrighted (GPL) by someone else, while in (2) you are distributing a program whose documentation says "to run this you will need to have a copy of ... on your system." It's not a question of strength of interaction. It's a question of what's in the file(s) you are distributing copies of.