configure.in

dnl Autoconf settings for vlc
AC_INIT(include/main.h)
AC_CONFIG_HEADER(include/defs.h)
AC_CANONICAL_SYSTEM

CONFIGURE_LINE="$0 $*"

PACKAGE="vlc"
VERSION="0.5.0-cvs"
CODENAME="Natalya"

dnl
dnl  Save *FLAGS
dnl
save_CPPFLAGS="${CPPFLAGS}"
save_CFLAGS="${CFLAGS}"
save_LDFLAGS="${LDFLAGS}"

dnl
dnl Check for tools
dnl
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CPP

dnl Find the right ranlib, even when cross-compiling
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)

dnl
dnl Check for GNU make
dnl
AC_PATH_PROG(GMAKE, gmake, no)
if test "x${GMAKE}" = "xno"; then
  AC_CACHE_CHECK([whether GNU make is installed],
      [ac_cv_gmake],
      [if make --version | grep -q -i gnu; then
         ac_cv_gmake="yes"
       else
         echo "This software needs you to install GNU make to compile properly."
         echo "You can get it from http://www.gnu.org/."
         exit
       fi])
  VLC_MAKE="make"
else
  VLC_MAKE="gmake"
fi

dnl Gettext stuff
ALL_LINGUAS="de en_GB fr ja no ru nl pl se"

AC_DEFINE_UNQUOTED(VLC_PACKAGE, "${PACKAGE}", [Package name])
AC_DEFINE_UNQUOTED(VLC_VERSION, "${VERSION}", [Package version])
AM_GNU_GETTEXT

dnl AM_PROG_LIBTOOL
AC_PROG_INSTALL

dnl
dnl  Set default LDFLAGS
dnl
vlc_LDFLAGS="${LDFLAGS}"

dnl
dnl  Check the operating system
dnl
case "x${target_os}" in
  x)
    SYS=unknown
    ;;
  xlinux*)
    SYS=linux
    ;;
  xbsdi*)
    SYS=bsdi
    save_CFLAGS="${save_CFLAGS} -pthread"; CFLAGS="${save_CFLAGS}"
    dvd_LDFLAGS="${dvd_LDFLAGS} -ldvd"
    vcd_LDFLAGS="${vcd_LDFLAGS} -ldvd"
    ;;
  x*bsd*)
    SYS="${target_os}"
    save_CFLAGS="${save_CFLAGS} -pthread"; CFLAGS="${save_CFLAGS}"
    ;;
  xdarwin*)
    SYS=darwin
    save_CFLAGS="${save_CFLAGS} -no-cpp-precomp"; CFLAGS="${save_CFLAGS}"
    vlc_LDFLAGS="${vlc_LDFLAGS} -all_load"
    ;;
  x*mingw32*)
    SYS=mingw32
    AC_CHECK_TOOL(WINDRES, windres, :)
    save_CFLAGS="${save_CFLAGS} -fnative-struct -D_OFF_T_ -D_off_t=long"; CFLAGS="${save_CFLAGS}"
    vlc_LDFLAGS="${vlc_LDFLAGS} -mwindows -Xlinker --force-exe-suffix"
    vlc_LDFLAGS="${vlc_LDFLAGS} -lws2_32 -lnetapi32"
    ipv4_LDFLAGS="${ipv4_LDFLAGS} -lws2_32"
    ipv6_LDFLAGS="${ipv6_LDFLAGS} -lws2_32"
    http_LDFLAGS="${http_LDFLAGS} -lws2_32"
    rc_LDFLAGS="${rc_LDFLAGS} -lws2_32"
    ;;
  x*nto*)
    SYS=nto
    x11_LDFLAGS="${x11_LDFLAGS} -lsocket"
    xvideo_LDFLAGS="${xvideo_LDFLAGS} -lsocket"
    ;;
  xsolaris*)
    SYS=solaris
    ;;
  xbeos)
    SYS=beos
    save_CFLAGS="${save_CFLAGS} -Wno-multichar -Wno-ctor-dtor-privacy -Woverloaded-virtual"; CFLAGS="${save_CFLAGS}"
    vlc_LDFLAGS="${vlc_LDFLAGS} -lbe"
    plugins_LDFLAGS="${plugins_LDFLAGS} -nostart"
    beos_LDFLAGS="${beos_LDFLAGS} -lbe -lgame -lroot -ltracker"
    ipv4_LDFLAGS="${ipv4_LDFLAGS} -lbind"
    ;;
  x*)
    SYS="${target_os}"
    ;;
esac

dnl Flags for plugin compilation
if test "x${SYS}" = "xmingw32"
then
  plugins_CFLAGS="${plugins_CFLAGS} -fnative-struct"
else
  plugins_CFLAGS="${plugins_CFLAGS} -fPIC"
  plugins_LDFLAGS="${plugins_LDFLAGS} -fPIC"
fi

dnl The -DSYS_FOO flag
save_CFLAGS="${save_CFLAGS} -DSYS_`echo ${SYS} | sed -e 's/-.*//' | tr 'abcdefghijklmnopqrstuvwxyz.' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`"; CFLAGS="${save_CFLAGS}"

dnl Check for system libs needed
AC_CHECK_FUNCS(gettimeofday select strerror strtod strtol isatty vasprintf swab sigrelse getpwuid memalign posix_memalign gethostbyname2 atoll strndup)

AC_CHECK_FUNC(connect,,[
  AC_CHECK_LIB(socket,connect,
    ipv4_LDFLAGS="${ipv4_LDFLAGS} -lsocket"
    vlc_LDFLAGS="${vlc_LDFLAGS} -lsocket"
)])
AC_CHECK_FUNC(send,,[
  AC_CHECK_LIB(socket,send,
    http_LDFLAGS="${http_LDFLAGS} -lsocket"
)])
AC_CHECK_FUNC(gethostbyname,,[
  AC_CHECK_LIB(nsl,gethostbyname,ipv4_LDFLAGS="${ipv4_LDFLAGS} -lnsl")
])
AC_CHECK_FUNC(gethostbyname,,[
  AC_CHECK_LIB(bind,gethostbyname,ipv4_LDFLAGS="${ipv4_LDFLAGS} -lbind")
])
have_nanosleep=0
AC_CHECK_FUNC(nanosleep,have_nanosleep=1,[
  AC_CHECK_LIB(rt,nanosleep,
    [vlc_LDFLAGS="${vlc_LDFLAGS} -lrt"; have_nanosleep=1],
    [AC_CHECK_LIB(posix4,nanosleep,
        [vlc_LDFLAGS="${vlc_LDFLAGS} -lposix4"; have_nanosleep=1])]
  )
])
if test x$have_nanosleep = x1; then
  AC_DEFINE(HAVE_NANOSLEEP, 1,
            Define if nanosleep is available.)
fi
# HP/UX port
AC_CHECK_LIB(rt,sem_init, [vlc_LDFLAGS="${vlc_LDFLAGS} -lrt"])

AC_CHECK_FUNC(inet_aton,,[
  AC_CHECK_LIB(resolv,inet_aton,ipv4_LDFLAGS="${ipv4_LDFLAGS} -lresolv")
])
AC_CHECK_FUNC(textdomain,,[
  AC_CHECK_LIB(intl,textdomain,
    vlc_LDFLAGS="${vlc_LDFLAGS} -lintl"
    plugins_LDFLAGS="${plugins_LDFLAGS} -lintl"
  )
])

dnl Check for getopt
NEED_GETOPT=0
AC_CHECK_FUNC(getopt_long,[AC_DEFINE(HAVE_GETOPT_LONG,1,long getopt support)],
[ # FreeBSD has a gnugetopt library for this:
  AC_CHECK_LIB([gnugetopt],[getopt_long],
    [AC_DEFINE(HAVE_GETOPT_LONG,1,getopt support) vlc_LDFLAGS="${vlc_LDFLAGS} -lgnugetopt"],
    [NEED_GETOPT=1])])

AC_TYPE_SIGNAL
AC_CHECK_LIB(dl,dlopen,vlc_LDFLAGS="${vlc_LDFLAGS} -ldl")
AC_CHECK_LIB(m,cos,
  imdct_LDFLAGS="${imdct_LDFLAGS} -lm"
  filter_distort_LDFLAGS="${filter_distort_LDFLAGS} -lm")
AC_CHECK_LIB(m,pow,
  ffmpeg_LDFLAGS="${ffmpeg_LDFLAGS} -lm"
  imdct_LDFLAGS="${imdct_LDFLAGS} -lm"
  imdct3dn_LDFLAGS="${imdct3dn_LDFLAGS} -lm"
  imdctsse_LDFLAGS="${imdctsse_LDFLAGS} -lm"
  chroma_i420_rgb_LDFLAGS="${chroma_i420_rgb_LDFLAGS} -lm"
)

dnl Check for pthreads - borrowed from XMMS
THREAD_LIB=error
if test "x${THREAD_LIB}" = "xerror"; then
  AC_CHECK_LIB(pthread,main,THREAD_LIB="-lpthread")
fi
if test "x${THREAD_LIB}" = "xerror"; then
  AC_CHECK_LIB(pthreads,main,THREAD_LIB="-lpthreads")
fi
if test "x${THREAD_LIB}" = "xerror"; then
  AC_CHECK_LIB(c_r,main,THREAD_LIB="-lc_r")
fi
if test "x${THREAD_LIB}" = "xerror"; then
  AC_CHECK_FUNC(pthread_mutex_lock)
  THREAD_LIB=""
fi

dnl Check for cthreads under GNU/Hurd for instance
AC_CHECK_LIB(threads,cthread_fork,THREAD_LIB="-lthreads")

dnl Check for misc headers
AC_EGREP_HEADER(pthread_cond_t,pthread.h,[
  AC_DEFINE(PTHREAD_COND_T_IN_PTHREAD_H, 1,
            Define if <pthread.h> defines pthread_cond_t.)])
AC_EGREP_HEADER(pthread_once,pthread.h,[
  AC_DEFINE(PTHREAD_ONCE_IN_PTHREAD_H, 1,
            Define if <pthread.h> defines pthread_once.)])
AC_EGREP_HEADER(strncasecmp,strings.h,[
  AC_DEFINE(STRNCASECMP_IN_STRINGS_H, 1,
            Define if <strings.h> defines strncasecmp.)])

dnl Check for headers
AC_CHECK_HEADERS(stdint.h getopt.h strings.h inttypes.h sys/int_types.h)
AC_CHECK_HEADERS(sys/sockio.h fcntl.h sys/types.h sys/time.h sys/times.h)
AC_CHECK_HEADERS(dlfcn.h image.h)
AC_CHECK_HEADERS(arpa/inet.h net/if.h netinet/in.h sys/socket.h)
AC_CHECK_HEADERS(machine/param.h sys/shm.h)
AC_CHECK_HEADERS(linux/version.h)

AC_HEADER_TIME

dnl Mac OS X and other OSes don't have declaration for nanosleep
AC_EGREP_HEADER(nanosleep,time.h,[
  AC_DEFINE(HAVE_DECL_NANOSLEEP, 1,
            Define if <time.h> defines nanosleep.)
])

dnl Make sure we have timespecs
AC_EGREP_HEADER(timespec,sys/time.h,[
  AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1,
            Define if <sys/time.h> defines struct timespec.)
])

dnl Check for threads library
AC_CHECK_HEADERS(cthreads.h pthread.h kernel/scheduler.h kernel/OS.h)

dnl Default X headers and libraries
if test "x${x_includes}" = "xNONE"; then
  x_includes="/usr/X11R6/include"
fi
if test "x${x_libraries}" = "xNONE"; then
  x_libraries="/usr/X11R6/lib"
fi

dnl Check for DPMS
if test "x${SYS}" != "xmingw32"
then
  CPPFLAGS="${save_CPPFLAGS} -I${x_includes}"
  AC_CHECK_HEADERS(X11/extensions/dpms.h, [
    AC_EGREP_HEADER(DPMSInfo,X11/extensions/dpms.h,[
      AC_DEFINE(DPMSINFO_IN_DPMS_H, 1,
                Define if <X11/extensions/dpms.h> defines DPMSInfo.)
    ])
  ])
  CPPFLAGS="${save_CPPFLAGS}"
fi

dnl Check for ntohl, etc.
AC_CACHE_CHECK([for ntohl in sys/param.h],
    [ac_cv_c_ntohl_sys_param_h],
    [CFLAGS="${save_CFLAGS} -Wall -Werror"
     AC_TRY_COMPILE([#include <sys/param.h>],
        [void foo() { int meuh; ntohl(meuh); }],
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
if test "x${ac_cv_c_ntohl_sys_param_h}" != "xno"; then
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
fi

dnl Check for inline function size limit
AC_CACHE_CHECK([if \$CC accepts -finline-limit],
    [ac_cv_c_inline_limit],
    [CFLAGS="${save_CFLAGS} -finline-limit-30000"
     AC_TRY_COMPILE([],,ac_cv_c_inline_limit=yes, ac_cv_c_inline_limit=no)])
if test "x${ac_cv_c_inline_limit}" != "xno"; then
    save_CFLAGS="${save_CFLAGS} -finline-limit-30000"; CFLAGS="${save_CFLAGS}"
fi

dnl Check for -W or -w flags
AC_CACHE_CHECK([if \$CC accepts -Wall -Winline],
    [ac_cv_c_Wall_Winline],
    [CFLAGS="-Wall -Winline ${save_CFLAGS}"
     AC_TRY_COMPILE([],,ac_cv_c_Wall_Winline=yes, ac_cv_c_Wall_Winline=no)])
if test "x${ac_cv_c_Wall_Winline}" != "xno"; then
    save_CFLAGS="-Wall -Winline ${save_CFLAGS}"; CFLAGS="${save_CFLAGS}"
else
    AC_CACHE_CHECK([if \$CC accepts -wall -winline],
        [ac_cv_c_wall_winline],
        [CFLAGS="-wall -winline ${save_CFLAGS}"
         AC_TRY_COMPILE([],,ac_cv_c_wall_winline=yes, ac_cv_c_wall_winline=no)])
    if test "x${ac_cv_c_wall_winline}" != "xno"; then
        save_CFLAGS="-wall -winline ${save_CFLAGS}"; CFLAGS="${save_CFLAGS}"
    fi
fi

dnl Check for -pipe
AC_CACHE_CHECK([if \$CC accepts -pipe],
    [ac_cv_c_pipe],
    [CFLAGS="${save_CFLAGS} -pipe"
     AC_TRY_COMPILE([],,ac_cv_c_pipe=yes, ac_cv_c_pipe=no)])
if test "x${ac_cv_c_pipe}" != "xno"; then
    save_CFLAGS="${save_CFLAGS} -pipe"; CFLAGS="${save_CFLAGS}"
fi

dnl Check for various optimization flags
AC_CACHE_CHECK([if \$CC accepts -O3],
    [ac_cv_c_o3],
    [CFLAGS="${save_CFLAGS} -O3"
     AC_TRY_COMPILE([],,ac_cv_c_o3=yes, ac_cv_c_o3=no)])
if test "x${ac_cv_c_o3}" != "xno"; then
    CFLAGS_OPTIM="${CFLAGS_OPTIM} -O3"
else
    AC_CACHE_CHECK([if \$CC accepts -O2],
        [ac_cv_c_o2],
        [CFLAGS="${save_CFLAGS} -O2"
         AC_TRY_COMPILE([],,ac_cv_c_o2=yes, ac_cv_c_o2=no)])
    if test "x${ac_cv_c_o2}" != "xno"; then
        CFLAGS_OPTIM="${CFLAGS_OPTIM} -O2"
    else
        AC_CACHE_CHECK([if \$CC accepts -O],
            [ac_cv_c_o],
            [CFLAGS="${save_CFLAGS} -O"
             AC_TRY_COMPILE([],,ac_cv_c_o=yes, ac_cv_c_o=no)])
        if test "x${ac_cv_c_o}" != "xno"; then
            CFLAGS_OPTIM="${CFLAGS_OPTIM} -O"
        fi
    fi
fi

dnl Check for -ffast-math
AC_CACHE_CHECK([if \$CC accepts -ffast-math],
    [ac_cv_c_fast_math],
    [CFLAGS="${save_CFLAGS} -ffast-math"
     AC_TRY_COMPILE([],,ac_cv_c_fast_math=yes, ac_cv_c_fast_math=no)])
if test "x${ac_cv_c_fast_math}" != "xno"; then
    CFLAGS_OPTIM="${CFLAGS_OPTIM} -ffast-math"
fi

dnl Check for -funroll-loops
AC_CACHE_CHECK([if \$CC accepts -funroll-loops],
    [ac_cv_c_unroll_loops],
    [CFLAGS="${save_CFLAGS} -funroll-loops"
     AC_TRY_COMPILE([],,ac_cv_c_unroll_loops=yes, ac_cv_c_unroll_loops=no)])
if test "x${ac_cv_c_unroll_loops}" != "xno"; then
    CFLAGS_OPTIM="${CFLAGS_OPTIM} -funroll-loops"
fi

dnl Check for -fomit-frame-pointer
AC_CACHE_CHECK([if \$CC accepts -fomit-frame-pointer],
    [ac_cv_c_omit_frame_pointer],
    [CFLAGS="${save_CFLAGS} -fomit-frame-pointer"
     AC_TRY_COMPILE([],,ac_cv_c_omit_frame_pointer=yes, ac_cv_c_omit_frame_pointer=no)])
if test "x${ac_cv_c_omit_frame_pointer}" != "xno"; then
    CFLAGS_OPTIM_NODEBUG="${CFLAGS_OPTIM_NODEBUG} -fomit-frame-pointer"
    # this plugin does not compile without -fomit-frame-pointer, damn gcc!
    i420_yuy2_mmx_CFLAGS="${i420_yuy2_mmx_CFLAGS} -fomit-frame-pointer"
fi

dnl Check for Darwin plugin linking flags
AC_CACHE_CHECK([if \$CC accepts -bundle -undefined error -lcc_dynamic],
    [ac_cv_ld_darwin],
    [CFLAGS="${save_CFLAGS} -bundle -undefined error -lcc_dynamic"
     AC_TRY_COMPILE([],,ac_cv_ld_darwin=yes, ac_cv_ld_darwin=no)])
if test "x${ac_cv_ld_darwin}" != "xno"; then
    plugins_LDFLAGS="${plugins_LDFLAGS} -bundle -undefined error -lcc_dynamic"
fi

dnl Check for standard plugin linking flags
AC_CACHE_CHECK([if \$CC accepts -shared],
    [ac_cv_ld_plugins],
    [CFLAGS="${save_CFLAGS} -shared"
     AC_TRY_COMPILE([],, ac_cv_ld_plugins=yes, ac_cv_ld_plugins=no)])
if test "x${ac_cv_ld_plugins}" != "xno"; then
    plugins_LDFLAGS="${plugins_LDFLAGS} -shared"
fi
        
dnl Check for variadic macros
AC_CACHE_CHECK([for variadic cpp macros],
    [ac_cv_cpp_variadic_macros],
    [CFLAGS="${save_CFLAGS}"
     AC_TRY_COMPILE(
         [#include <stdio.h>
          #define a(b,c...) printf(b,##c)],
         [a("foo");a("%s","bar");a("%s%s","baz","quux");],
         ac_cv_cpp_variadic_macros=yes,
         ac_cv_cpp_variadic_macros=no)])
if test "x${ac_cv_cpp_variadic_macros}" != "xno"; then
    AC_DEFINE(HAVE_VARIADIC_MACROS, 1, Support for variadic macros)
fi

dnl Checks for __attribute__(aligned()) directive
AC_CACHE_CHECK([__attribute__ ((aligned ())) support],
    [ac_cv_c_attribute_aligned],
    [ac_cv_c_attribute_aligned=0
        CFLAGS="${save_CFLAGS} -Werror"
    for ac_cv_c_attr_align_try in 2 4 8 16 32 64; do
        AC_TRY_COMPILE([],
        [static char c __attribute__ ((aligned(${ac_cv_c_attr_align_try}))) = 0; return c;],
        [ac_cv_c_attribute_aligned="${ac_cv_c_attr_align_try}"])
    done
        CFLAGS="${save_CFLAGS}"])
if test "x${ac_cv_c_attribute_aligned}" != "x0"; then
    AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX],
        [${ac_cv_c_attribute_aligned}],[Maximum supported data alignment])
fi

dnl
dnl  Check the CPU
dnl
case "x${target_cpu}" in
  x)
    ARCH=unknown
    ;;
  *)
    ARCH="${target_cpu}"
    ;;
esac

dnl
dnl  default modules
dnl
BUILTINS="${BUILTINS}"
PLUGINS="${PLUGINS} misc/dummy/dummy misc/null/null"
PLUGINS="${PLUGINS} control/rc/rc misc/logger/logger access/file access/udp access/http misc/network/ipv4 misc/memcpy/memcpy"
PLUGINS="${PLUGINS} demux/mpeg/es demux/mpeg/audio demux/mpeg/mpeg_system demux/mpeg/ps demux/mpeg/ts"
PLUGINS="${PLUGINS} codec/mpeg_video/idct/idct codec/mpeg_video/idct/idctclassic codec/mpeg_video/motion/motion codec/mpeg_video/mpeg_video codec/spudec/spudec"
#PLUGINS="${PLUGINS} codec/a52old/imdct/imdct codec/a52old/downmix/downmix codec/mpeg_audio/mpeg_audio codec/a52old/a52old codec/lpcm/lpcm codec/spdif/spdif"
PLUGINS="${PLUGINS} video_filter/deinterlace/deinterlace video_filter/invert video_filter/wall video_filter/transform video_filter/distort video_filter/clone video_filter/crop"
PLUGINS="${PLUGINS} audio_filter/converter/float32tos16"
PLUGINS="${PLUGINS} audio_mixer/trivial"
PLUGINS="${PLUGINS} audio_output/file"
#PLUGINS="${PLUGINS} visualization/scope/scope"
PLUGINS="${PLUGINS} video_chroma/i420_rgb video_chroma/i420_yuy2 video_chroma/i422_yuy2 video_chroma/i420_ymga"

dnl
dnl  Accelerated modules
dnl
MMX_MODULES="misc/memcpy/memcpymmx codec/mpeg_video/idct/idctmmx codec/mpeg_video/motion/motionmmx video_chroma/i420_rgb_mmx video_chroma/i420_yuy2_mmx video_chroma/i422_yuy2_mmx video_chroma/i420_ymga_mmx"
MMXEXT_MODULES="misc/memcpy/memcpymmxext codec/mpeg_video/idct/idctmmxext codec/mpeg_video/motion/motionmmxext"
THREEDNOW_MODULES="misc/memcpy/memcpy3dn codec/a52old/imdct/imdct3dn codec/a52old/downmix/downmix3dn"
SSE_MODULES="codec/a52old/imdct/imdctsse codec/a52old/downmix/downmixsse"
ALTIVEC_MODULES="codec/mpeg_video/idct/idctaltivec codec/mpeg_video/motion/motionaltivec misc/memcpy/memcpyaltivec"

AC_CACHE_CHECK([if \$CC groks MMX inline assembly],
    [ac_cv_mmx_inline],
    [CFLAGS="${save_CFLAGS}"
     AC_TRY_COMPILE(,[void *p;asm volatile("packuswb %%mm1,%%mm2"::"r"(p));],
                    ac_cv_mmx_inline=yes, ac_cv_mmx_inline=no)])
if test "x${ac_cv_mmx_inline}" != "xno"; then
  ACCEL_MODULES="${ACCEL_MODULES} ${MMX_MODULES}"
fi

AC_CACHE_CHECK([if \$CC groks MMX EXT inline assembly],
    [ac_cv_mmxext_inline],
    [CFLAGS="${save_CFLAGS}"
     AC_TRY_COMPILE(,[void *p;asm volatile("maskmovq %%mm1,%%mm2"::"r"(p));],
                    ac_cv_mmxext_inline=yes, ac_cv_mmxext_inline=no)])
if test "x${ac_cv_mmxext_inline}" != "xno"; then
  ACCEL_MODULES="${ACCEL_MODULES} ${MMXEXT_MODULES}"
fi

AC_CACHE_CHECK([if \$CC groks 3D Now! inline assembly],
    [ac_cv_3dnow_inline],
    [CFLAGS="${save_CFLAGS}"
     AC_TRY_COMPILE(,[void *p;asm volatile("pfadd %%mm1,%%mm2"::"r"(p));],
                    ac_cv_3dnow_inline=yes, ac_cv_3dnow_inline=no)])
if test "x${ac_cv_3dnow_inline}" != "xno"; then
  AC_DEFINE(CAN_COMPILE_3DNOW, 1, Define if \$CC groks 3D Now! inline assembly.)
  ACCEL_MODULES="${ACCEL_MODULES} ${THREEDNOW_MODULES}"
fi

AC_CACHE_CHECK([if \$CC groks SSE inline assembly],
    [ac_cv_sse_inline],
    [CFLAGS="${save_CFLAGS}"
     AC_TRY_COMPILE(,[void *p;asm volatile("xorps %%xmm1,%%xmm2"::"r"(p));],
                    ac_cv_sse_inline=yes, ac_cv_sse_inline=no)])
if test "x${ac_cv_sse_inline}" != "xno" -a "x${SYS}" != "xmingw32"; then
  AC_DEFINE(CAN_COMPILE_SSE, 1, Define if \$CC groks SSE inline assembly.)
  ACCEL_MODULES="${ACCEL_MODULES} ${SSE_MODULES}"
fi

# don't try to grok AltiVec with native mingw32 it doesn't work right now
# we should be able to remove this test with future versions of mingw32
if test "x${SYS}" != "xmingw32"; then
AC_CACHE_CHECK([if \$CC groks AltiVec inline assembly],
    [ac_cv_altivec_inline],
    [CFLAGS="${save_CFLAGS}"
     AC_TRY_COMPILE(,[asm volatile("vperm 0,1,2,3");],
         ac_cv_altivec_inline=yes,
         [CFLAGS="${save_CFLAGS} -Wa,-m7400"
          AC_TRY_COMPILE(,[asm volatile("vperm 0,1,2,3");],
            [ac_cv_altivec_inline="-Wa,-m7400"],
            ac_cv_altivec_inline=no)
         ])])
if test "x${ac_cv_altivec_inline}" != "xno"; then
  AC_DEFINE(CAN_COMPILE_ALTIVEC, 1, Define if \$CC groks AltiVec inline assembly.)
  if test "x${ac_cv_altivec_inline}" != "xyes"; then
    idctaltivec_CFLAGS="${idctaltivec_CFLAGS} ${ac_cv_altivec_inline}"
    motionaltivec_CFLAGS="${motionaltivec_CFLAGS} ${ac_cv_altivec_inline}"
    memcpyaltivec_CFLAGS="${memcpyaltivec_CFLAGS} ${ac_cv_altivec_inline}"
    vlc_CFLAGS="${vlc_CFLAGS} ${ac_cv_altivec_inline}"
  fi
  ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
fi

AC_CACHE_CHECK([if \$CC groks AltiVec C extensions],
    [ac_cv_c_altivec],
    [CFLAGS="${save_CFLAGS} -faltivec"
     # Darwin test
     AC_TRY_COMPILE(,[vec_mtvscr((vector unsigned int)(0));],
        ac_cv_c_altivec=-faltivec, [
        # Linux/PPC test
        CFLAGS="${save_CFLAGS} ${idctaltivec_CFLAGS} -fvec"
        AC_TRY_COMPILE(,[vec_mtvscr((vector unsigned int)(0));],
            [ac_cv_c_altivec="-fvec"], ac_cv_c_altivec=no)
        ])
     CFLAGS="${save_CFLAGS}"])
if test "x${ac_cv_c_altivec}" != "xno"; then
  AC_DEFINE(CAN_COMPILE_C_ALTIVEC, 1, Define if your compiler groks C AltiVec extensions.)
  idctaltivec_CFLAGS="${idctaltivec_CFLAGS} ${ac_cv_c_altivec}"
  motionaltivec_CFLAGS="${motionaltivec_CFLAGS} ${ac_cv_c_altivec}"
  memcpyaltivec_CFLAGS="${memcpyaltivec_CFLAGS} ${ac_cv_c_altivec}"
  vlc_CFLAGS="${vlc_CFLAGS} ${ac_cv_c_altivec}"
  ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
fi

AC_CACHE_CHECK([if linker needs -framework vecLib],
    [ac_cv_ld_altivec],
    [LDFLAGS="${vlc_LDFLAGS} -framework vecLib"
     AC_TRY_LINK([],,ac_cv_ld_altivec=yes,ac_cv_ld_altivec=no)
     LDFLAGS="${save_LDFLAGS}"
    ])
if test "x${ac_cv_ld_altivec}" != "xno"; then
  idctaltivec_LDFLAGS="${idctaltivec_LDFLAGS} -framework vecLib"
  motionaltivec_LDFLAGS="${motionaltivec_LDFLAGS} -framework vecLib"
  memcpyaltivec_LDFLAGS="${memcpyaltivec_LDFLAGS} -framework vecLib"
  vlc_LDFLAGS="${vlc_LDFLAGS} -framework vecLib"
fi
fi # end if mingw32


AC_ARG_WITH(,[])
AC_ARG_WITH(,[Optimization options:])

dnl
dnl  Special arch tuning
dnl
AC_ARG_WITH(tuning,
[  --with-tuning=ARCH      enable special tuning for an architecture
                          (default i686 on IA-32 and 750 on PPC)])
if test "x${with_tuning}" != "x"; then
    TUNING="${with_tuning}"
else
    if test "x${target_cpu}" = "xi686" -o "x${target_cpu}" = "xi586" -o "x${target_cpu}" = "xi486" -o "x${target_cpu}" = "xi386"; then TUNING="pentiumpro"
    else
        if test "x${target_cpu}" = "xpowerpc"; then TUNING="750"; fi
    fi
fi

dnl
dnl  x86 accelerations
dnl
if test "x${target_cpu}" = "xi686" -o "x${target_cpu}" = "xi586" -o "x${target_cpu}" = "xx86" -o "x${target_cpu}" = "xi386"
then
    ARCH="${ARCH} mmx"
    PLUGINS="${PLUGINS} ${ACCEL_MODULES}"
fi

dnl
dnl  Enable/disable optimizations
dnl
AC_ARG_ENABLE(optimizations,
[  --disable-optimizations disable compiler optimizations (default enabled)],
[ if test "x${enable_optimizations}" = "xno"; then OPTIMS=0; fi ],
[ OPTIMS=1 ])

dnl
dnl  AltiVec acceleration
dnl
AC_ARG_ENABLE(altivec,
[  --disable-altivec       disable AltiVec optimizations (default enabled on PPC)],
[ if test "x${enable_altivec}" = "xyes"; then ARCH="${ARCH} altivec";
    BUILTINS="${BUILTINS} ${ACCEL_MODULES}"; fi ],
[ if test "x${target_cpu}" = "xpowerpc"; then ARCH="${ARCH} altivec";
    BUILTINS="${BUILTINS} ${ACCEL_MODULES}"; fi ])

dnl
dnl  Debugging mode
dnl
DEBUG=0
AC_ARG_ENABLE(debug,
[  --enable-debug          debug mode (default disabled)],
[ if test "x${enable_debug}" = "xyes"; then DEBUG=1; fi ])

dnl
dnl  Enable release-specific flags
dnl
RELEASE=0
AC_ARG_ENABLE(release,
[  --enable-release        activate extra optimizations (default disabled)],
[ if test "x${enable_release}" = "xyes"; then RELEASE=1; fi ],
[ VERSION="${VERSION}_`date +%Y-%m-%d`" ])

dnl
dnl  Input plugins
dnl

AC_ARG_WITH(,[Input plugins:])

dnl
dnl  DVD module: optionally check for installed libdvdcss
dnl
AC_ARG_ENABLE(dvd,
[  --enable-dvd            DVD input module (default enabled)])
if test "x${enable_dvd}" != "xno"
then
  AC_ARG_WITH(dvdcss, 
  [    --with-dvdcss=PATH    libdvdcss headers and libraries])
  AC_ARG_WITH(dvdcss-tree, 
  [    --with-dvdcss-tree=PATH libdvdcss tree for static linking])
  case "x${with_dvdcss}" in
  x|xyes)
    if test "x${with_dvdcss_tree}" = x
    then
      AC_CHECK_HEADERS(dvdcss/dvdcss.h,
        [ PLUGINS="${PLUGINS} access/dvd/dvd"
          dvd_LDFLAGS="${dvd_LDFLAGS} -ldvdcss" ],
        [ AC_MSG_WARN([libdvdcss is no longer provided with vlc; please get libdvdcss from http://www.videolan.org/libdvdcss/ and build it. Then either use --with-dvdcss=<path/where/libdvdcss/was/installed> for dynamic linking (recommended under Unix) or --with-dvdcss-tree=<path/where/libdvdcss/was/built> for static linking (recommended under BeOS, Windows, MacOS X). Alternatively you can use --disable-dvd to disable the DVD plugin.])
          AC_MSG_ERROR([cannot find libdvdcss headers]) ])
    else
      AC_MSG_CHECKING(for libdvdcss.a in ${with_dvdcss_tree})
      real_dvdcss_tree="`cd ${with_dvdcss_tree} 2>/dev/null && pwd`"
      if test "x${real_dvdcss_tree}" = "x"
      then
        dnl  The given directory can't be found
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot cd to ${with_dvdcss_tree}])
      fi
      if test -f "${real_dvdcss_tree}/src/.libs/libdvdcss.a"
      then
        dnl  Use a custom libdvdcss
        AC_MSG_RESULT(${real_dvdcss_tree}/src/.libs/libdvdcss.a)
        BUILTINS="${BUILTINS} access/dvd/dvd"
        dvd_LDFLAGS="${dvd_LDFLAGS} ${real_dvdcss_tree}/src/.libs/libdvdcss.a"
        dvd_CFLAGS="${dvd_CFLAGS} -I${real_dvdcss_tree}/src"
      else
        dnl  The given libdvdcss wasn't built
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot find ${real_dvdcss_tree}/src/.libs/libdvdcss.a, make sure you compiled libdvdcss in ${with_dvdcss_tree}])
      fi
    fi
  ;;
  xno)
    dnl  Compile without dvdcss (dlopen version, works only under Linux)
    PLUGINS="${PLUGINS} access/dvd/dvd"
    dvd_CFLAGS="${dvd_CFLAGS} -DGOD_DAMN_DMCA"
    dvd_LDFLAGS="${dvd_LDFLAGS} -ldl"
  ;;
  *)
    AC_MSG_CHECKING(for dvdcss headers in ${with_dvdcss})
    if test -f ${with_dvdcss}/include/dvdcss/dvdcss.h
    then
      dnl  Use ${with_dvdcss}/include/dvdcss/dvdcss.h
      AC_MSG_RESULT(yes)
      PLUGINS="${PLUGINS} access/dvd/dvd"
      dvd_LDFLAGS="${dvd_LDFLAGS} -L${with_dvdcss}/lib -ldvdcss"
      dvd_CFLAGS="${dvd_CFLAGS} -I${with_dvdcss}/include"
    else
      dnl  No libdvdcss could be found, sorry
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${with_dvdcss}/include/dvdcss/dvdcss.h])
    fi
  ;;
  esac
fi

dnl
dnl dvdread module: check for libdvdread plugin
dnl
AC_ARG_ENABLE(dvdread,
[  --enable-dvdread        dvdread input module (default disabled)])
if test "x${enable_dvdread}" != "xno"
then
  AC_ARG_WITH(dvdread, 
  [    --with-dvdread=PATH   libdvdread headers and libraries])
  if test "x${with_dvdread}" = "x"
  then
    test_LDFLAGS=""
    test_CFLAGS=""
  else
    test_LDFLAGS="-L${with_dvdread}/lib"
    test_CFLAGS="-I${with_dvdread}/include"
  fi
  CPPFLAGS="${save_CPPFLAGS} ${test_CFLAGS}"
  AC_CHECK_HEADERS(dvdread/dvd_reader.h, [
     AC_TRY_COMPILE([#include <dvdread/dvd_reader.h>],
        [void foo() { int i=DVD_VIDEO_LB_LEN; }],[
          PLUGINS="${PLUGINS} access/dvdread/dvdread"
          dvdread_LDFLAGS="${dvdread_LDFLAGS} ${test_LDFLAGS} -ldvdread"
          dvdread_CFLAGS="${dvdread_CFLAGS} ${test_CFLAGS}"
        ],[
          if test "x${enable_dvdread}" != "x"
          then
            AC_MSG_ERROR([Cannot find DVD_VIDEO_LB_LEN in dvdread/dvd_reader.h, please install libdvdread version 0.9.2 or later])
          fi
        ])
  ],[
    if test "x${enable_dvdread}" != "x"
    then
      if test "x${with_dvdread}" != "x"
      then
        AC_MSG_ERROR([Cannot find dvdread/dvd_reader.h in ${with_dvdread}/include])
      else
        AC_MSG_ERROR([Cannot find dvdread/dvd_reader.h])
      fi
    fi
  ])
  CPPFLAGS="$save_CPPFLAGS"
fi

dnl
dnl dvdplay module: check for libdvdplay
dnl
AC_ARG_ENABLE(dvdplay,
[  --enable-dvdplay        dvdplay input module (default disabled)])
if test "x$enable_dvdplay" != "xno"
then
  AC_ARG_WITH(dvdplay, 
  [    --with-dvdplay=PATH   libdvdplay headers and libraries])
  if test "x$with_dvdplay" = x
  then
    test_LDFLAGS=""
    test_CFLAGS=""
  else
    test_LDFLAGS="-L${with_dvdplay}/lib"
    test_CFLAGS="-I${with_dvdplay}/include"
  fi
  CPPFLAGS="$save_CPPFLAGS $test_CFLAGS"
  AC_CHECK_HEADERS(dvdplay/dvdplay.h, [
      PLUGINS="${PLUGINS} access/dvdplay/dvdplay"
      dvdplay_LDFLAGS="${dvdplay_LDFLAGS} ${test_LDFLAGS} -ldvdplay -ldvdread"
      dvdplay_CFLAGS="${dvdplay_CFLAGS} ${test_CFLAGS}"
    ],[
    if test "x$enable_dvdplay" != x
    then
      if test "x$with_dvdplay" != x
      then
        AC_MSG_ERROR([Cannot find dvdplay/dvdplay.h in ${with_dvdplay}/include])
      else
        AC_MSG_ERROR([Cannot find dvdplay/dvdplay.h])
      fi
    fi
  ])
  CPPFLAGS="${save_CPPFLAGS}"
fi


dnl
dnl  libdvbpsi ts demux
dnl
AC_ARG_ENABLE(dvbpsi,
[  --enable-dvbpsi        dvbpsi ts demux module (default disabled)])
if test "x${enable_dvbpsi}" != "xno"
then
  AC_ARG_WITH(dvbpsi, 
  [    --with-dvbpsi=PATH    libdvbpsi headers and libraries])
  AC_ARG_WITH(dvbpsi,
  [    --with-dvbpsi-tree=PATH libdvbpsi tree for static linking])
  case "x${with_dvbpsi}" in
  x|xyes)
    if test "x${with_dvbpsi_tree}" = "x"
    then
      AC_CHECK_HEADERS(dvbpsi/dr.h,
        [ PLUGINS="${PLUGINS} demux/mpeg/ts_dvbpsi"
          ts_dvbpsi_LDFLAGS="${ts_dvbpsi_LDFLAGS} -ldvbpsi" ], [],
        [  AC_MSG_ERROR([cannot find libdvbpsi headers]) ])
    else
      AC_MSG_CHECKING(for libdvbpsi.a in ${with_dvbpsi_tree})
      real_dvbpsi_tree="`cd ${with_dvbpsi_tree} 2>/dev/null && pwd`"
      if test "x${real_dvbpsi_tree}" = "x"
      then
        dnl  The given directory can't be found
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot cd to ${with_dvbpsi_tree}])
      fi
      if test -f "${real_dvbpsi_tree}/src/.libs/libdvbpsi.a"
      then
        dnl  Use a custom libdvbpsi
        AC_MSG_RESULT(${real_dvbpsi_tree}/src/.libs/libdvbpsi.a)
        BUILTINS="${BUILTINS} demux/mpeg/ts_dvbpsi"
        ts_dvbpsi_LDFLAGS="${ts_dvbpsi_LDFLAGS} ${real_dvbpsi_tree}/src/.libs/libdvbpsi.a"
        ts_dvbpsi_CFLAGS="${ts_dvbpsi_CFLAGS} -I${real_dvbpsi_tree}/src"
      else
        dnl  The given libdvbpsi wasn't built
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot find ${real_dvbpsi_tree}/src/.libs/libdvbpsi.a, make sure you compiled libdvbpsi in ${with_dvbpsi_tree}])
      fi
    fi
  ;;
  xno)
    dnl  Compile without dvbpsi
  ;;
  *)
    AC_MSG_CHECKING(for dvbpsi headers in ${with_dvbpsi})
    if test "x${with_dvbpsi}" = "x"
    then
      test_LDFLAGS=""
      test_CFLAGS=""
    else
      test_LDFLAGS="-L${with_dvbpsi}/lib"
      test_CFLAGS="-I${with_dvbpsi}/include"
    fi
    CPPFLAGS="${save_CPPFLAGS} ${test_CFLAGS}"
    AC_CHECK_HEADER([dvbpsi/dr.h],[
      PLUGINS="${PLUGINS} demux/mpeg/ts_dvbpsi"
      ts_dvbpsi_LDFLAGS="${ts_dvbpsi_LDFLAGS} ${test_LDFLAGS} -ldvbpsi"
      ts_dvbpsi_CFLAGS="${ts_dvbpsi_CFLAGS} ${test_CFLAGS}"
      ],[
      if test "x${enable_dvbpsi}" != "x"
      then
        AC_MSG_ERROR([Could not find libdvbpsi on your system: you may get it from www.videolan.org, you'll need at least version 0.1.1])
      fi
    ])
    CPPFLAGS="${save_CPPFLAGS}"
  ;;
  esac
fi

dnl
dnl  Video4Linux plugin
dnl
AC_ARG_ENABLE(v4l,
  [  --enable-v4l            Video4Linux input support (default disabled)])
if test "x${enable_v4l}" = "xyes"
then
  AC_CHECK_HEADERS(libv4l/v4l.h, [
    PLUGINS="${PLUGINS} access/v4l/v4l"
   ],[])
fi

dnl
dnl  VCD module
dnl
AC_ARG_ENABLE(vcd,
  [  --enable-vcd            VCD support for Linux, FreeBSD and MacOS X (default enabled)])

if test "x${enable_vcd}" != "xno"
then
  AC_EGREP_HEADER(cdrom_msf0,linux/cdrom.h,[
    PLUGINS="${PLUGINS} access/vcd/vcd"
  ])
  
  AC_EGREP_HEADER(ioc_toc_header ,sys/cdio.h,[
    PLUGINS="${PLUGINS} access/vcd/vcd"
    AC_DEFINE(HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H, 1, For FreeBSD VCD support)
  ])
  
  if test "x${SYS}" = "xbsdi"
  then
    PLUGINS="${PLUGINS} access/vcd/vcd"
  fi

  if test "x${SYS}" = "xdarwin"
  then
    # No need to add vcd to PLUGINS, Darwin is already based on FreeBSD
    vcd_LDFLAGS="${vcd_LDFLAGS} -framework IOKit -framework CoreFoundation" 
  fi
fi

dnl
dnl  Satellite input module
dnl
AC_ARG_ENABLE(satellite,
  [  --enable-satellite      satellite card support (default disabled)],
  [ if test "x${enable_satellite}" = "xyes"
    then
      PLUGINS="${PLUGINS} access/satellite/satellite"
    fi])

dnl
dnl  ipv6 plugin - not for QNX yet
dnl
if test "x${SYS}" != "xnto" && test "x${SYS}" != "xmingw32"
then
  have_ipv6=0
  AC_CHECK_FUNC(inet_pton,[have_ipv6=1],[
    AC_CHECK_LIB(resolv,inet_pton,
      [have_ipv6=1
       ipv6_LDFLAGS="${ipv6_LDFLAGS} -lresolv"])
  ])
  AC_MSG_CHECKING(for sockaddr_in6 in netinet/in.h)
  AC_EGREP_HEADER(sockaddr_in6,netinet/in.h,
    [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no); have_ipv6=0])
  if test x$have_ipv6 = x1; then
    PLUGINS="${PLUGINS} misc/network/ipv6"
  fi
fi
if test "x${SYS}" = "xmingw32"
then
  AC_MSG_CHECKING(for getaddrinfo in ws2tcpip.h)
  AC_EGREP_HEADER(addrinfo,ws2tcpip.h,[AC_MSG_RESULT(yes)
    PLUGINS="${PLUGINS} misc/network/ipv6"],[AC_MSG_RESULT(no)])
fi

dnl
dnl  AVI demux plugin
dnl
AC_ARG_ENABLE(avi,
  [  --enable-avi            AVI demux module (default enabled)])
if test "x${enable_avi}" != "xno"
then
  PLUGINS="${PLUGINS} demux/avi/avi"
fi

dnl
dnl  Codec plugins
dnl

AC_ARG_WITH(,[Codec plugins:])

dnl