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# m4 configure test script for the SoundTouch library
# (c)2003 David W. Durham
#
# $Id$
#
# This file can be included with other packages that need to test
# for libSoundTouch.
#
# It will #define HAVE_LIBSOUNDTOUCH iff the library is found
# It will AC_SUBST SOUNDTOUCH_LIBS and SOUNDTOUCH_CXXFLAGS as well
# It also defines some flags to the configure script for specifying
# the location to search for libSoundTouch
#
# A user of libSoundTouch should add @SOUNDTOUCH_LIBS@ and
# @SOUNDTOUCH_CXXFLAGS@ to the appropriate variables in his
# Makefile.am files
#
# This script works with autoconf-2.5x and automake-1.6 but I have
# not tested it with older versions.
dnl min version not supported yet
dnl AM_PATH_SOUNDTOUCH([MINMUM-VERSION, [(additional) ACTION-IF-FOUND] [, ACTION-IF-NOT-FOUND]]])
AH_TEMPLATE([HAVE_LIBSOUNDTOUCH], [defined by $0])
SOUNDTOUCH_CXXFLAGS=""
SOUNDTOUCH_LIBS=""
AC_DEFUN([AM_PATH_SOUNDTOUCH],[
AC_ARG_WITH(soundtouch-prefix,[ --with-soundtouch-prefix=DIR Prefix where SoundTouch was installed (optional)], [soundtouch_prefix="$withval"],[soundtouch_prefix=""])
AC_ARG_ENABLE(soundtouch-check,[ --disable-soundtouch-check Do not look for the SoundTouch Library],[enable_soundtouch_check="$enableval"],[enable_soundtouch_check="yes"])
if test "$enable_soundtouch_check" = "yes"
then
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
CPPFLAGS="$CPPFLAGS -I$soundtouch_prefix/include"
LDFLAGS="$LDFLAGS -L$soundtouch_prefix/lib"
dnl make sure SoundTouch.h header file exists
dnl could use AC_CHECK_HEADERS to check for all of them, but the supporting .h file names may change later
AC_CHECK_HEADER([soundtouch/SoundTouch.h],[
dnl SoundTouch.h found
dnl make sure libSoundTouch is linkable
AC_CHECK_LIB([SoundTouch],[soundtouch_ac_test],[
dnl libSoundTouch found
SOUNDTOUCH_CXXFLAGS="-I$soundtouch_prefix/include"
SOUNDTOUCH_LIBS="-L$soundtouch_prefix/lib -lSoundTouch"
AC_DEFINE([HAVE_LIBSOUNDTOUCH])
dnl run action-if-found
ifelse([$2], , :, [$2])
],[
dnl run action-if-not-found
ifelse([$3], , :, [$3])
])
],[
dnl run action-if-not-found
ifelse([$3], , :, [$3])
])
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
fi
AC_SUBST(SOUNDTOUCH_CXXFLAGS)
AC_SUBST(SOUNDTOUCH_LIBS)
])
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