[asterisk-bugs] [JIRA] (ASTERISK-27723) [patch] BuildSystem: Enable OSS Audio Emulation Library in NetBSD.

[Richard Mudgett (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Mudgett updated ASTERISK-27723:
---------------------------------------

    Status: Open  (was: Triage)

> [patch] BuildSystem: Enable OSS Audio Emulation Library in NetBSD.
> ------------------------------------------------------------------
>
>                 Key: ASTERISK-27723
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27723
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_oss, Core/BuildSystem
>    Affects Versions: 13.19.2, 15.2.2
>         Environment: NetBSD 7.1.1
>            Reporter: Alexander Traud
>            Severity: Minor
>              Labels: patch
>         Attachments: NetBSD_enable_oss.patch
>
>
> The channel driver {{chan_oss}} uses the Open Sound System (OSS). In NetBSD, OSS is not really available but emulated. This emulation happens via the shared library [{{libossaudio.so}}|http://netbsd.gw.com/cgi-bin/man-cgi?ossaudio+3]. Therefore, to use that emulation, {{chan_oss}} has to declare a dependency on OSS. This is done in {{chan_oss}} already. The script {{./configure}} helps to detect its presence. However, in {{./configure}} only the presence of the header file is tested. Therefore, OSS_LIB stays empty, {{-lossaudio}} is not send to the linker when chan_oss is made, and therefore the final {{chan_oss}} library does not declare a dependency to {{-lossaudio}}. This can be double-checked via the tool {{ldd}}.
> On the command-line interface (CLI) of Asterisk, a warning is shown that {{chan_oss}} could not be loaded: 'Undefined PLT symbol "_oss_ioctl" (symnum = 64)'.
> The trick is to specify a symbol in {{./configure}}. Then, AST_EXT_LIB_CHECK checks also the library, and OSS_LIB=-lossaudio.
> This issue was reported in April 2002, six years ago.



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