dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.53)
AC_INIT(src/control/control.c)
dnl *************************************************
dnl current:revision:age
dnl change (without API) = c:r+1:a
dnl change API = c+1:0:a
dnl add API = c+1:0:a+1
dnl remove API = c+1:0:0
dnl *************************************************
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(alsa-lib, 1.0.10)
eval LIBTOOL_VERSION_INFO="2:0:0"
dnl *************************************************
AM_CONDITIONAL(INSTALL_M4, test -n "${ACLOCAL}")

AC_PREFIX_DEFAULT(/usr)

dnl Checks for programs.

dnl try to gues cross-compiler if not set
if test "x$target" != "x$host" -a -z "`echo $CC | grep -e '-gcc'`";
then
  AC_MSG_CHECKING(for cross-compiler)

  which ${program_prefix}gcc >/dev/null 2>&1 && CC=${program_prefix}gcc
  which ${target_cpu}-${target_os}-gcc >/dev/null 2>&1 \
  && CC=${target_cpu}-${target-os}-gcc
  which ${target_cpu}-${target_vendor}-${target_os}-gcc >/dev/null 2>&1 \
  && CC=${target_cpu}-${target_vendor}-${target_os}-gcc

  AC_MSG_RESULT($CC)
fi
	    

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S 
AC_DISABLE_STATIC
AC_LIBTOOL_DLOPEN
AM_PROG_LIBTOOL

dnl Checks for header files.
AC_HEADER_STDC
AM_CONFIG_HEADER(include/config.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
AC_CHECK_FUNC([hsearch_r], [HAVE_HSEARCH_R=yes])
AM_CONDITIONAL(ALSA_HSEARCH_R, [test "x$HAVE_HSEARCH_R" != xyes])

SAVE_LIBRARY_VERSION
AC_SUBST(LIBTOOL_VERSION_INFO)

test "x$prefix" = xNONE && prefix=$ac_default_prefix

eval dir="$datadir"
case "$dir" in
/*) ;;
*) dir="$PWD/$dir"
esac
AC_DEFINE_UNQUOTED(DATADIR, "$dir", [directory containing ALSA configuration database])

test "x$exec_prefix" = xNONE && exec_prefix=$prefix

eval dir="$libdir"
case "$dir" in
/*) ;;
*) dir="$PWD/$dir"
esac
AC_DEFINE_UNQUOTED(PKGLIBDIR, "$dir/$PACKAGE", [directory containing ALSA add-on modules])

dnl Check for versioned symbols
AC_MSG_CHECKING(for versioned symbols)
AC_ARG_WITH(versioned,
  [  --with-versioned=yes,no  shared library will (not) be compiled with versioned symbols],
  versioned="$withval", versioned="yes")
if test "$versioned" = "yes"; then
  # it seems that GNU ld versions since 2.10 are not broken
  xres=`grep '^VERSION=' $ac_aux_dir/libtool | cut -d = -f 2`
  major=`echo $xres | cut -d . -f 1`
  minor=`echo $xres | cut -d . -f 2`
  pass=0
  if test $major -eq 1 -a $minor -gt 3; then
    pass=1
  else
    if test $major -gt 1; then
      pass=1
    fi
  fi
  if test $pass -eq 1; then
    AC_DEFINE(VERSIONED_SYMBOLS,,[compiled with versioned symbols])
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(broken libtool - use libtool v1.4+; no versions)
  fi
else
  AC_MSG_RESULT(no)
fi
AM_CONDITIONAL(VERSIONED_SYMBOLS, test x$versioned = xyes)

dnl Check for debug...
AC_MSG_CHECKING(for debug)
AC_ARG_WITH(debug,
  [  --with-debug=yes,no     library will (not) be compiled with asserts],
  debug="$withval", debug="yes")
if test "$debug" = "yes"; then
  AC_MSG_RESULT(yes)
else
  AC_DEFINE(NDEBUG,,[No assert debug])
  AC_MSG_RESULT(no)
fi

dnl Temporary directory
AC_MSG_CHECKING(for tmpdir)
AC_ARG_WITH(tmpdir,
  [  --with-tmpdir=directory   directory to put tmp socket files (/tmp)],
  tmpdir="$withval", tmpdir="/tmp")
AC_MSG_RESULT($tmpdir)
AC_DEFINE_UNQUOTED(TMPDIR, "$tmpdir", [directory to put tmp socket files])

dnl Check for softfloat...
AC_MSG_CHECKING(for softfloat)
AC_ARG_WITH(softfloat,
  [  --with-softfloat        do you have floating point unit on this machine? (optional)],
  [  AC_DEFINE(HAVE_SOFT_FLOAT, "1", [Avoid calculation in float])
     softfloat=yes ],)
if test "$softloat" = "yes" ; then
  AC_MSG_RESULT(yes)
else
  AC_MSG_RESULT(no)
fi

dnl Check for architecture
AC_MSG_CHECKING(for architecture)
case "$target" in
i?86*)
  AC_MSG_RESULT(x86)
  ;;
x86_64*)
  AC_MSG_RESULT(x86)
  ;;
alpha*)
  AC_MSG_RESULT(alpha)
  ;;
powerpc*|ppc*)
  AC_MSG_RESULT(ppc)
  CPPFLAGS="$CPPFLAGS -D__ppc__"
  ;;
ia64*)
  AC_MSG_RESULT(ia64)
  CPPFLAGS="$CPPFLAGS -D__ia64__"
  ;;
mips*)
  AC_MSG_RESULT(mips)
  CPPFLAGS="$CPPFLAGS -D__mips__"
  ;;
arm*)
  AC_MSG_RESULT(arm)
  CPPFLAGS="$CPPFLAGS -D__arm__"
  ;;
*)
  AC_MSG_RESULT($host_cpu)
  echo "No atomic operations supported.." 
  ;;
esac

dnl Check for wordexp.h
AC_CHECK_HEADERS([wordexp.h])

dnl Check for resmgr support...
AC_MSG_CHECKING(for resmgr support)
AC_ARG_ENABLE(resmgr,
  [  --enable-resmgr         support resmgr (optional)],
  resmgr="$enableval", resmgr="no")
AC_MSG_RESULT($resmgr)
if test "$resmgr" = "yes"; then
  AC_CHECK_LIB(resmgr, rsm_open_device,,
    AC_ERROR([Cannot find libresmgr]))
  AC_DEFINE(SUPPORT_RESMGR, "1", [Support resmgr with alsa-lib])
fi

dnl Check for aload* support...
AC_MSG_CHECKING(for aload* support)
AC_ARG_ENABLE(aload,
  [  --disable-aload         disable reading /dev/aload*],
  aload="$enableval", aload="yes")
AC_MSG_RESULT($aload)
if test "$aload" = "yes"; then
  AC_DEFINE(SUPPORT_ALOAD, "1", [Support /dev/aload* access for auto-loading])
fi

dnl Make a symlink for inclusion of alsa/xxx.h
if test ! -L include/alsa ; then
  echo "Making a symlink include/alsa"
  rm -f include/alsa
  ln -sf . include/alsa
fi

AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile include/Makefile
	  include/sound/Makefile src/Makefile \
          src/control/Makefile src/mixer/Makefile \
	  src/pcm/Makefile src/pcm/scopes/Makefile \
	  src/rawmidi/Makefile src/timer/Makefile \
          src/hwdep/Makefile src/seq/Makefile src/instr/Makefile \
          src/compat/Makefile src/alisp/Makefile src/conf/Makefile \
	  src/conf/cards/Makefile \
	  src/conf/pcm/Makefile \
	  modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile \
	  alsalisp/Makefile aserver/Makefile test/Makefile utils/Makefile \
          utils/alsa-lib.spec utils/alsa.pc)