dnl Process this file with autoconf to produce a configure script.

AC_INIT(Makefile.conf.in)
AC_PREFIX_DEFAULT(/usr)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S

dnl Checks for header files.
AC_HEADER_STDC
AC_CONFIG_HEADER(include/aconfig.h)
AC_CHECK_HEADERS(linux/asound.h sys/asoundlib.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_HEADER_TIME

dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL

dnl Check for ALSA library package.
myprefix=$prefix
if test "$myprefix" = "NONE"; then
  myprefix=$ac_default_prefix
fi
CFLAGS="-I$myprefix/include"
LIBS="-L$myprefix/lib -lasound"
#echo "CFLAGS=$CFLAGS"
#echo "LIBS=$LIBS"
AC_MSG_CHECKING(for alsa-lib package)
AC_TRY_RUN([
#include <sys/asoundlib.h>
void main(void)
{
  snd_cards();
  exit(0);
}
],
  AC_MSG_RESULT("present"),
  AC_MSG_RESULT("not found"); echo "Fatal error: Install alsa-lib package at first..."; exit 1;,
  AC_MSG_RESULT("not supported"); echo "Fatal error: Cross-compiling isn't supported..."; exit 1;
)

dnl Check for version...
AC_MSG_CHECKING(for alsa-utils version)
SND_UTIL_VERSION=`cat $srcdir/version`
AC_DEFINE_UNQUOTED(SND_UTIL_VERSION, "$SND_UTIL_VERSION")
AC_SUBST(SND_UTIL_VERSION)
SND_UTIL_MAJOR=`echo $SND_UTIL_VERSION | cut -d . -f 1`
AC_SUBST(SND_UTIL_MAJOR)
SND_UTIL_MINOR=`echo $SND_UTIL_VERSION | cut -d . -f 2`
AC_SUBST(SND_UTIL_MINOR)
SND_UTIL_SUBMINOR=`echo $SND_UTIL_VERSION | cut -d . -f 3`
AC_SUBST(SND_UTIL_SUBMINOR)
AC_MSG_RESULT($SND_UTIL_VERSION)

AC_OUTPUT(Makefile.conf utils/alsa-utils.spec)