dnl Process this file with autoconf to produce a configure script

dnl ------------------------------------------------

dnl Initialization and Versioning

dnl ------------------------------------------------

AC_INIT(mdct.c)

AC_CANONICAL_HOST

AC_CANONICAL_TARGET

AM_CONFIG_HEADER([config.h])

AM_INIT_AUTOMAKE(libvorbisidec,1.2.0)

dnl Library versioning

V_LIB_CURRENT=1

V_LIB_REVISION=2

V_LIB_AGE=0

AC_SUBST(V_LIB_CURRENT)

AC_SUBST(V_LIB_REVISION)

AC_SUBST(V_LIB_AGE)

dnl --------------------------------------------------  

dnl Check for programs

dnl --------------------------------------------------  

dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"

dnl if $CFLAGS is blank

cflags_save="$CFLAGS"

AC_PROG_CC

AC_PROG_CPP

CFLAGS="$cflags_save"

AM_PROG_LIBTOOL

dnl --------------------------------------------------

dnl Set build flags based on environment

dnl --------------------------------------------------

dnl Set some target options

cflags_save="$CFLAGS"

ldflags_save="$LDFLAGS"

if test -z "$GCC"; then

        case $host in 

        arm-*-*)

                DEBUG="-g -D_ARM_ASSEM_" 

                CFLAGS="-O -D_ARM_ASSEM_"

                PROFILE="-p -g -O -D_ARM_ASSEM_" ;;

        *)

                DEBUG="-g"

                CFLAGS="-O"

                PROFILE="-g -p" ;;

        esac

else

        case $host in 

        arm-*-*)

                DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -D_ARM_ASSEM_"

                CFLAGS="-O2 -D_ARM_ASSEM_ -fsigned-char"

                PROFILE="-W -pg -g -O2 -D_ARM_ASSEM_ -fsigned-char -fno-inline-functions";;

        *)

                DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"

                CFLAGS="-O2 -Wall -fsigned-char"

                PROFILE="-Wall -pg -g -O2 -fsigned-char -fno-inline-functions";;

        esac

fi

CFLAGS="$CFLAGS $cflags_save -D_REENTRANT"

LDFLAGS="$LDFLAGS $ldflags_save"

# Test whenever ld supports -version-script

AC_PROG_LD

AC_PROG_LD_GNU

if test "x$lt_cv_prog_gnu_ld" = "xyes"; then

   SHLIB_VERSION_ARG="Wl,--version-script=Version_script"

   dnl Set extra linker options

   case "$target_os" in

  linux* | solaris* )

    SHLIB_VERSION_ARG="-Wl,--version-script=Version_script"

    ;;

  *)

    ;;

   esac

   LDFLAGS="$LDFLAGS $SHLIB_VERSION_ARG"

fi

dnl --------------------------------------------------

dnl Options 

dnl --------------------------------------------------

AC_ARG_ENABLE(

   low-accuracy,

   [  --enable-low-accuracy   enable 32 bit only multiply operations],

   CFLAGS="$CFLAGS -D_LOW_ACCURACY_"

)

dnl --------------------------------------------------

dnl Check for headers

dnl --------------------------------------------------

AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)

dnl --------------------------------------------------

dnl Check for typedefs, structures, etc

dnl --------------------------------------------------

dnl none

dnl --------------------------------------------------

dnl Check for library functions

dnl --------------------------------------------------

AC_FUNC_ALLOCA

AC_FUNC_MEMCMP

dnl --------------------------------------------------

dnl Do substitutions

dnl --------------------------------------------------

LIBS="$LIBS"

AC_SUBST(LIBS)

AC_SUBST(DEBUG)

AC_SUBST(PROFILE)

AC_OUTPUT(Makefile Version_script)