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* build: simplify OSS checks and remove changes by "bugmen0t"wm42017-06-221-6/+0
| | | | | | | | | | | | | | | | | | The user bugmen0t was apparently a shared github account with publicly available login. Thus, we can't get LGPL relicensing permission from the people who used this account. To relicense successfully, we have to remove all their changes. This commit should remove 20d1fc13, f26fb009, defbe48d. It also should remove whatever test fragments were copied from the ancient configure, as well as some configure logic (potentially that device path stuff). I think this change still preserves the most important use-cases of OSS: BSDs, and the Linux OSS emulation (the latter for testing only). According to an OSS user, the 4front checks were probably broken anyway. The SunAudio stuff was probably for (Open)Solaris, which is dead. ao_oss.c itself will remain GPL, and still contains bugmen0t changes.
* build: reimplement the OSS checks using a more declarative approachStefano Pigozzi2013-11-291-0/+6
The OSS checks were a big mess and quite buggy. This reimplementes them using a declarative approach and clearly distinguishing between the various OSS implementations. The code should now almost be auto-documenting. We currently support the following implementations of OSS: * platform-specific (with `sys/soundcard.h`) * SunAudio (default on NetBSD and useable on OpenBSD even if we have sndio support there). * 4Front (default on FreeBSD) Since now each OSS check also checks for the appropriate soundcard header, remove the old soundcard check. Many thanks to @bugmen0t for in depth info about all the BSDs. Check #380 and #359 for more info on this commit.