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| | | ############################################################################## |
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| | | dnl Configure Paths for Alsa |
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| | | dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org> |
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| | | dnl Christopher Lansdown <lansdoct@cs.alfred.edu> |
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| | |
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| | | dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
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| | | dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate. |
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| | | dnl enables arguments --with-alsa-prefix= |
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| | | dnl --with-alsa-enc-prefix= |
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| | | dnl --with-alsa-inc-prefix= |
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| | | dnl --disable-alsatest |
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| | | dnl |
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| | | dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified, |
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| | | dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result. |
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| | | dnl |
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| | | |
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| | | AC_DEFUN([AM_PATH_ALSA], |
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| | | [dnl Save the original CFLAGS, LDFLAGS, and LIBS |
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| | | alsa_save_CFLAGS="$CFLAGS" |
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| | | AC_MSG_RESULT($ALSA_LIBS) |
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| | | |
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| | | dnl Check for a working version of libasound that is of the right version. |
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| | | min_alsa_version=ifelse([$1], ,0.1.1,$1) |
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| | | min_alsa_version=ifelse([$1], ,0.1.1, $1) |
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| | | AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version) |
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| | | no_alsa="" |
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| | | alsa_min_major_version=`echo $min_alsa_version | \ |
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