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BuildSystem: Enable Advanced Linux Sound Architecture (ALSA) in NetBSD.

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In the script ./configure, AST_EXT_LIB_CHECK checks for external libraries. Some
libraries do not specify all their dependencies and require additional shared
libraries. In AST_EXT_LIB_CHECK, this is the fifth parameter. However, if a
library is specified there, it must exist on the platform, because ./configure
tries to compile/link/execute a small app using those statements. For example,
the library libdl.so is Linux specific and does not exist on BSD-like platforms.

Furthermore, no supported platform/version was found, which still (ever?)
requires those additional libraries. Therefore, they were simply removed.

Finally, this change adds the error code ESTRPIPE to the channel driver
chan_alsa for those platforms which lack it, again for example NetBSD.

ASTERISK-27720

Change-Id: I3b21f2135f6cbfac7590ccdc2df753257f426e0b
This commit is contained in:
Alexander Traud
2018-03-05 17:17:23 +01:00
parent e04be32fc5
commit 5b80e97fff
3 changed files with 17 additions and 13 deletions
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configure.ac
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@@ -1422,7 +1422,7 @@ PKG_PROG_PKG_CONFIG()
# do the package library checks now
AST_EXT_LIB_CHECK([ALSA], [asound], [snd_spcm_init], [alsa/asoundlib.h], [-lm -ldl])
AST_EXT_LIB_CHECK([ALSA], [asound], [snd_pcm_open], [alsa/asoundlib.h])
AST_EXT_LIB_CHECK([BFD], [bfd], [bfd_openr], [bfd.h])
# Fedora/RedHat/CentOS require extra libraries