configure.in.audio

柯老师网站上找到的

# lots of hairy special cases for detecting which audio device
# support to compile in
#
V_LIB_AUDIO=""
V_INCLUDE_AUDIO=""
V_INCLUDE_GSM=""
V_OBJ_AUDIO=""

AC_ARG_WITH(gsm,	--with-gsm=path	specify a pathname for gsm, d=$withval, d="")
if test "$d" != "" ; then
	if test ! -d $d ; then 
		echo "'$d' is not a directory"
		exit 1
	fi
	libgsm=$d/lib/libgsm.a
	if test ! -r $libgsm ; then
		echo "can't find libgsm.a in $d/lib"
		exit 1
	fi
	V_INCLUDE_GSM="-I$d/inc"
	if test ! -r $d/inc/private.h ; then
		echo "can't find gsm includes in $d/inc"
		exit 1
	fi
else
	echo "checking for libgsm.a"
	libgsm=FAIL
	places="\
		$PWD/../gsm-1.0-pl10 \
		$PWD/../gsm-1.0 \
		$PWD/../gsm-1.0-pl7 \
		$PWD/../gsm \
		/usr/src/local/gsm-1.0-pl10 \
		/usr/src/local/gsm-1.0 \
		/usr/src/local/gsm-1.0-pl7 \
		/usr/src/local/gsm \
		/usr/opt/gsm"
	for dir in $places; do
		if test -r $dir/lib/libgsm.a -a -r $dir/inc/private.h ; then
			libgsm=$dir/lib/libgsm.a
			V_INCLUDE_GSM="-I$dir/inc"
			break
		fi
	done
	if test "$libgsm" = FAIL; then
		echo "configure: can't find gsm library ... you can get it at"
		echo "   http://www.cs.tu-berlin.de/~jutta/toast.html"
		exit 1
	fi
fi
V_LIB_AUDIO="$V_LIB_AUDIO $libgsm"

AC_ARG_WITH(af,	--with-af=path	specify a pathname for AudioFile, d=$withval, d="")
if test "$d" != "" ; then
	if test ! -d $d ; then 
		echo "'$d' is not a directory"
		exit 1
	fi
	if test ! -r $d/AF/lib/AF/libAF.a ; then
		echo "can't find libAF.a in $d/AF/lib/AF"
		exit 1
	fi
	if test ! -r $d/AF/lib/AF/AFlib.h ; then
		echo "can't find AFlib.h in $d/AF/lib/AF"
		exit 1
	fi
	V_LIB="$V_LIB $d/AF/lib/AF/libAF.a"
	V_INCLUDE="$V_INCLUDE -I$d/AF/lib -I$d/AF"
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-af.o"
else
	echo "checking for AudioFile"
	places="../AudioFile-3.1 \
		../AudioFile-3 \
		../AudioFile \
		/usr/src/local/AudioFile-3.1 \
		/usr/src/local/AudioFile-3 \
		/usr/src/local/AudioFile"
	V_AF=FAIL
	for d in $places; do
		if test -f $d/AF/lib/AF/libAF.a -a -f $d/AF/lib/AF/AFlib.h; then
			V_LIB="$V_LIB $d/AF/lib/AF/libAF.a"
			V_INCLUDE="$V_INCLUDE -I$d/AF/lib -I$d/AF"
			V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-af.o"
			V_AF=$d
			break
		fi
	done
	if test $V_AF = FAIL ; then
		echo "can't find AudioFile - vat AF support won't be compiled"
	fi
fi

AC_TEST_CPP([#include <sys/audioio.h>], x=audio/audio-sun.o, x="")
V_OBJ_AUDIO="$V_OBJ_AUDIO $x"

AC_TEST_CPP([#include <sun/audioio.h>], x=audio/audio-sun.o, x="")
V_OBJ_AUDIO="$V_OBJ_AUDIO $x"

case "$target" in 
*-sgi-irix*)
	V_LIB_AUDIO="$V_LIB_AUDIO -laudio"
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-sgi.o"
	;;
*-*-bsdi1*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-pc.o"
	;;
*-*-bsdi2.0*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-pc.o"
	;;
*-*-bsdi*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-voxware.o"
	;;
*-*-freebsd*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-freebsd.o"
	;;
*-*-sco*)
	V_DEFINE="$V_DEFINE -DSIGARGS=int -Dsco"
	if test $CC != gcc ; then
		CC="cc -Dinline="
		CXX="CC +.cc"
	fi
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-voxware.o"
	V_BROKEN_OBJ=
	;;
*-*-hpux*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-hp.o"
	;;
*-*-aix3*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-ibm.o"
	;;
*-*-aix4*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-ibm.o"
	;;
*-*-linux*)
	V_OBJ_AUDIO="$V_OBJ_AUDIO audio/audio-voxware.o"
	V_BROKEN_OBJ=
	;;
esac

AC_SUBST(V_LIB_AUDIO)
AC_SUBST(V_INCLUDE_AUDIO)
AC_SUBST(V_OBJ_AUDIO)
AC_SUBST(V_INCLUDE_GSM)