mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
44 lines
1 KiB
Text
44 lines
1 KiB
Text
dnl Check for ALSA driver package.
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AC_DEFUN(ALSA_CHECK_DRIVER, [
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myprefix=$prefix
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if test "$myprefix" = "NONE"; then
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myprefix=$ac_default_prefix
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fi
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OLD_CFLAGS="$CFLAGS"
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CFLAGS="-I$myprefix/include"
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AC_MSG_CHECKING(for alsa-driver package)
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AC_TRY_COMPILE([
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#include <linux/asound.h>
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],[
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void main(void)
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{
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#if !defined(SND_PROTOCOL_VERSION) || !defined(SND_PROTOCOL_INCOMPATIBLE)
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#error not found
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#else
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#if !defined(SND_MIXER_IOCTL_ELEMENTS)
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#error wrong version
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#endif
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exit(0);
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#endif
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}
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],
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AC_MSG_RESULT(present),
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[AC_MSG_RESULT(not found or wrong version);
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AC_MSG_ERROR([Install alsa-driver v0.3.0pre5+ package first...])]
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)
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CFLAGS="$OLD_CFLAGS"
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])
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AC_DEFUN(SAVE_LIBRARY_VERSION, [
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SND_LIB_VERSION=$VERSION
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echo $VERSION > $srcdir/version
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AC_DEFINE_UNQUOTED(VERSION, "$SND_LIB_VERSION")
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AC_SUBST(SND_LIB_VERSION)
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SND_LIB_MAJOR=`echo $VERSION | cut -d . -f 1`
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AC_SUBST(SND_LIB_MAJOR)
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SND_LIB_MINOR=`echo $VERSION | cut -d . -f 2`
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AC_SUBST(SND_LIB_MINOR)
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SND_LIB_SUBMINOR=`echo $VERSION | cut -d . -f 3 | sed -e 's/pre[[0-9]]*//g'`
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AC_SUBST(SND_LIB_SUBMINOR)
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])
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