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dnl Autoconf settings for vlc
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AC_INIT(vlc,0.7.2-test2)
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CONFIGURE_LINE="$0 $*"
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CODENAME="Bond"
AC_PREREQ(2.50)
AC_CONFIG_SRCDIR(src/libvlc.c)
dnl XXX: we don't put any flags here, because automake 1.5 doesn't support
dnl them. And we need the comma otherwize automake will choke on it.
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AM_INIT_AUTOMAKE(vlc,0.7.2-test2)
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dnl
dnl  Save *FLAGS
dnl
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AX_SAVE_FLAGS
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dnl
dnl Check for tools
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dnl
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_CXXCPP
dnl AC_PROG_EGREP only exists in autoconf 2.54+, so we use AC_EGREP_CPP right
dnl now otherwise it might be set in an obscure if statement.
dnl AC_PROG_OBJC doesn't seem to exist, this is the KDE workaround
AC_MSG_CHECKING(for an Objective-C compiler)
OBJC="${CXX}"
AC_SUBST(OBJC)
OBJCFLAGS="${CXXFLAGS} -fgnu-runtime -fconstant-string-class=NSConstantString"
AC_SUBST(OBJCFLAGS)
dnl _AM_DEPENDENCIES(OBJC) doesn't work, so hard code OBJCDEPMODE here
#OBJCDEPMODE="depmode=gcc3"
#AC_SUBST(OBJCDEPMODE)
_AM_DEPENDENCIES(OBJC)
AC_MSG_RESULT(not implemented yet)

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dnl Find the right ranlib, even when cross-compiling
AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_CHECK_TOOL(STRIP, strip, :)
AC_CHECK_TOOL(AR, ar, :)
AC_CHECK_TOOL(LD, ld, :)
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dnl Sam, if you think I didn't see that... --Meuuh
dnl AM_PROG_LIBTOOL
AC_PROG_INSTALL

dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE

dnl
dnl  Check for the contrib directory
dnl
topdir="`pwd`"
if test -d ${topdir}/extras/contrib/lib; then
  export PATH=${topdir}/extras/contrib/bin:$PATH
  export LD_LIBRARY_PATH=${topdir}/extras/contrib/lib:$LD_LIBRARY_PATH
  export DYLD_LIBRARY_PATH=${topdir}/extras/contrib/lib:$DYLD_LIBRARY_PATH
  CPPFLAGS="${CPPFLAGS} -I${topdir}/extras/contrib/include"
  CPPFLAGS_save="${CPPFLAGS_save} -I${topdir}/extras/contrib/include"
  CFLAGS="${CFLAGS} -I${topdir}/extras/contrib/include"
  CFLAGS_save="${CFLAGS_save} -I${topdir}/extras/contrib/include"
  CXXFLAGS="${CXXFLAGS} -I${topdir}/extras/contrib/include"
  CXXFLAGS_save="${CXXFLAGS_save} -I${topdir}/extras/contrib/include"
  OBJCFLAGS="${OBJCFLAGS} -I${topdir}/extras/contrib/include"
  OBJCFLAGS_save="${OBJCFLAGS_save} -I${topdir}/extras/contrib/include"
  if test -d ${topdir}/extras/contrib/vlc-lib; then
    LDFLAGS="${LDFLAGS} -L${topdir}/extras/contrib/vlc-lib"
    LDFLAGS_save="${LDFLAGS_save} -L${topdir}/extras/contrib/vlc-lib"
  fi
  LDFLAGS="${LDFLAGS} -L${topdir}/extras/contrib/lib"
  LDFLAGS_save="${LDFLAGS_save} -L${topdir}/extras/contrib/lib"
  with_livedotcom_tree=${topdir}/extras/contrib/src/live
  with_goom_tree=${topdir}/extras/contrib/src/goom
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dnl
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dnl
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dnl
dnl  Check the operating system
dnl
case "${target_os}" in
  "")
  linux*)
  bsdi*)
    SYS=bsdi
    CFLAGS_save="${CFLAGS_save} -pthread"; CFLAGS="${CFLAGS_save}"
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    AX_ADD_LDFLAGS([dvd dvdcss vcd cdda vcdx cddax],[-ldvd])
  *bsd*)
    SYS="${target_os}"
    CFLAGS_save="${CFLAGS_save} -pthread"; CFLAGS="${CFLAGS_save}"
    ;;
  darwin*)
    CFLAGS_save="${CFLAGS_save} -no-cpp-precomp -D_INTL_REDIRECT_MACROS"; CFLAGS="${CFLAGS_save}"
    CXXFLAGS_save="${CXXFLAGS_save} -no-cpp-precomp -D_INTL_REDIRECT_MACROS"; CXXFLAGS="${CXXFLAGS_save}"
    OBJCFLAGS_save="${OBJCFLAGS_save} -no-cpp-precomp -D_INTL_REDIRECT_MACROS"; OBJCFLAGS="${OBJCFLAGS_save}"
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    AX_ADD_LDFLAGS([vlc ffmpeg],[-all_load])
    AX_ADD_LDFLAGS([mp4], [-framework IOKit -framework CoreFoundation])
    AX_ADD_LDFLAGS([vlc],[-Wl,-multiply_defined,suppress])
  *mingw32* | *cygwin*)
    AC_CHECK_TOOL(WINDRES, windres, :)
    LIBEXT=".dll"
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    case "${target_os}" in
      *mingw32*)
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        SYS=mingw32
        ;;
      *cygwin*)
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        dnl Check if we are using the mno-cygwin mode in which case we are
        dnl actually dealing with a mingw32 compiler.
        AC_EGREP_CPP(yes,
            [#ifdef WIN32
             yes
             #endif],
            SYS=mingw32, SYS=cygwin)
        ;;
    esac

    if test "${SYS}" = "mingw32"; then
        # add ws2_32 for closesocket, select, recv
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        CPPFLAGS_save="${CPPFLAGS_save} -D_OFF_T_ -D_off_t=long"; CPPFLAGS="${CPPFLAGS_save}"
        AX_ADD_LDFLAGS([vlc],[-lws2_32 -lnetapi32 -lwinmm -mwindows])
        AX_ADD_LDFLAGS([vcdx cddax],[-lwinmm])
        AX_ADD_LDFLAGS([ipv4 ipv6 access_http access_mms access_udp access_tcp access_ftp access_output_udp sap slp http stream_out_standard telnet],[-lws2_32])
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    fi
  *nto*)
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    AX_ADD_LDFLAGS([x11 xvideo],[-lsocket])
  solaris*)
    # _POSIX_PTHREAD_SEMANTICS is needed to get the POSIX ctime_r
    # Perhaps it is useful other places as well? 
    CFLAGS_save="${CFLAGS_save} -D_POSIX_PTHREAD_SEMANTICS"; CFLAGS="${CFLAGS_save}"
  hpux*)
    CFLAGS_save="${CFLAGS_save} -Wno-multichar"; CFLAGS="${CFLAGS_save}"
    CXXFLAGS_save="${CXXFLAGS_save} -Wno-multichar"; CXXFLAGS="${CXXFLAGS_save}"
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    AX_ADD_CXXFLAGS([beos],[])
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    AX_ADD_LDFLAGS([vlc beos],[-lbe])
    AX_ADD_LDFLAGS([beos],[-lmedia -ltranslation -ltracker -lgame])
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    dnl Ugly check for Zeta
    if test -f /boot/beos/system/lib/libzeta.so; then
        AX_ADD_LDFLAGS([beos],[-lzeta])
    fi
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esac
AM_CONDITIONAL(HAVE_BEOS, test "${SYS}" = "beos")
AM_CONDITIONAL(HAVE_DARWIN, test "${SYS}" = "darwin")
AM_CONDITIONAL(HAVE_WIN32, test "${SYS}" = "mingw32")
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ALL_LINGUAS="de en_GB es fr hu it ja nl no pl pt_BR ru sv"
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AM_GNU_GETTEXT_VERSION(0.11.5)
AM_GNU_GETTEXT
if test "${nls_cv_force_use_gnu_gettext}" = "yes"; then
  AC_DEFINE(HAVE_INCLUDED_GETTEXT, 1, Define if we use the local libintl)
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  INCLUDES="${INCLUDES} -I\$(top_builddir)/intl"
  AC_CHECK_FUNCS(textdomain,,[
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      AX_ADD_LDFLAGS([vlc],[${LIBINTL}]),,
fi
AM_CONDITIONAL(BUILD_INTL, test "${nls_cv_force_use_gnu_gettext}" = "yes")
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XGETTEXT="${XGETTEXT} --keyword=_NS --keyword=_ANS"
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AC_ARG_ENABLE(utf8,
  [  --enable-utf8           unicode utf8 support (default enabled on darwin/beos/win32)])
if test "${enable_utf8}" = "yes" || (test "${enable_utf8}" != "no" && (test "${SYS}" = "mingw32" || test "${SYS}" = "beos" || test "${SYS}" = "darwin" ) )
then
  AC_DEFINE(ENABLE_UTF8, 1,
            Define if you want utf8 support)
fi

AC_MSG_CHECKING(for suffix of libraries)
AC_MSG_RESULT(${LIBEXT})
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dnl Check for the need to include the mingwex lib for mingw32
if test "${SYS}" = "mingw32"
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then
    AC_CHECK_LIB(mingwex,opendir,
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        AC_CHECK_LIB(mingw32,opendir,AX_ADD_LDFLAGS([vlc],[]),
            [AX_ADD_LDFLAGS([vlc gtk],[-lmingwex])])
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    )
fi

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dnl Check for fnative-struct or mms-bitfields support for mingw32
if test "${SYS}" = "mingw32"
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then
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
        [CFLAGS="${CFLAGS_save} -mms-bitfields"
         AC_TRY_COMPILE([],,ac_cv_c_mms_bitfields=yes, ac_cv_c_mms_bitfields=no)])
    if test "${ac_cv_c_mms_bitfields}" != "no"; then
        CFLAGS_save="${CFLAGS_save} -mms-bitfields";
        CXXFLAGS_save="${CXXFLAGS_save} -mms-bitfields";
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    else
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
            [CFLAGS="${CFLAGS_save} -fnative-struct"
             AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        if test "${ac_cv_c_fnative_struct}" != "no"; then
            CFLAGS_save="${CFLAGS_save} -fnative-struct";
            CXXFLAGS_save="${CXXFLAGS_save} -fnative-struct";
        fi
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    fi

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    CFLAGS="${CFLAGS_save}"; CXXFLAGS="${CXXFLAGS_save}"
fi

dnl Check for fvtable-thunks support for mingw32
if test "${SYS}" = "mingw32"
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then
AC_LANG_PUSH(C++)
    AC_CACHE_CHECK([if \$CXX accepts -fvtable-thunks],
        [ac_cv_cxx_fvtable_thunks],
        [CXXFLAGS="${CXXFLAGS_save} -Wall -Werror -fvtable-thunks"
         AC_TRY_COMPILE([],,ac_cv_cxx_fvtable_thunks=yes,
                        ac_cv_cxx_fvtable_thunks=no)])
    if test "${ac_cv_cxx_fvtable_thunks}" = "yes"; then
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        CXXFLAGS_mingw32_special="-fvtable-thunks"
    fi

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    CXXFLAGS_save="${CXXFLAGS_save} ${CXXFLAGS_mingw32_special}"; CXXFLAGS="${CXXFLAGS_save}"
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AC_LANG_POP(C++)
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fi

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dnl Flags for plugin compilation
case "${SYS}" in
  mingw32|cygwin)
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    AX_ADD_CFLAGS([pic plugin mozilla],[${CFLAGS_mingw32_special}])
    AX_ADD_CXXFLAGS([pic plugin mozilla],[${CFLAGS_mingw32_special} ${CXXFLAGS_mingw32_special}])
    AX_ADD_OBJCFLAGS([pic plugin mozilla],[${CFLAGS_mingw32_special}])
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    AX_ADD_CFLAGS([pic plugin mozilla],[-fpic -fPIC])
    AX_ADD_CXXFLAGS([pic plugin mozilla],[-fpic -fPIC])
    AX_ADD_OBJCFLAGS([pic plugin mozilla],[-fpic -fPIC])
    AX_ADD_LDFLAGS([plugin mozilla],[-fpic -fPIC])
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dnl The -DSYS_FOO flag
CPPFLAGS_save="${CPPFLAGS_save} -DSYS_`echo ${SYS} | sed -e 's/-.*//' | tr 'abcdefghijklmnopqrstuvwxyz.' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`"; CPPFLAGS="${CPPFLAGS_save}"
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dnl Check for system libs needed
AC_CHECK_FUNCS(gettimeofday select strerror strtod strtol isatty vasprintf asprintf swab sigrelse getpwuid memalign posix_memalign gethostbyname2 if_nametoindex atoll getenv putenv setenv gmtime_r ctime_r localtime_r lrintf)
AC_CHECK_FUNCS(strdup strndup atof lseek)
AC_CHECK_FUNCS(strcasecmp,,[AC_CHECK_FUNCS(stricmp)])
AC_CHECK_FUNCS(strncasecmp,,[AC_CHECK_FUNCS(strnicmp)])
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dnl Check for setlocal and langinfo
AC_CHECK_FUNCS(setlocale)
AC_CHECK_HEADERS(langinfo.h)
AC_CHECK_FUNCS(nl_langinfo)

AC_CACHE_CHECK([for nl_langinfo and CODESET], ac_cv_langinfo_codeset,
  [AC_TRY_LINK([#include <langinfo.h>],
    [char* cs = nl_langinfo(CODESET);],
    ac_cv_langinfo_codeset=yes,
    ac_cv_langinfo_codeset=no)
  ])
if test ${ac_cv_langinfo_codeset} = yes; then
  AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
    [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
fi

AC_CHECK_FUNCS(connect,,[
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  AC_CHECK_LIB(socket,connect,[
    AX_ADD_LDFLAGS([vlc ipv4 cddax],-lsocket)
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  ])
])
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  AC_CHECK_LIB(socket,send,[
    AX_ADD_LDFLAGS([access_http access_mms access_udp access_tcp access_ftp sap access_output_udp stream_out_standard],[-lsocket])
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  ])
])
AC_CHECK_FUNCS(gethostbyname,,[
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  AC_CHECK_LIB(nsl,gethostbyname,[
    AX_ADD_LDFLAGS([cddax ipv4 vlc],[-lnsl])
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  ],[
    AC_CHECK_LIB(bind,gethostbyname,[
      AX_ADD_LDFLAGS([ipv4 access_mms],[-lbind])
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    ])
  ])
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])
dnl Check for socklen_t
AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
  [AC_TRY_COMPILE(
     [#include <sys/types.h>
      #include <sys/socket.h>],
     [socklen_t len = 42; return len;],
     ac_cv_type_socklen_t=yes,
     ac_cv_type_socklen_t=no)])
if test "${ac_cv_type_socklen_t}" != "no"; then
  AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define if <sys/socket.h> defines socklen_t.])
fi

dnl Check for va_copy
AC_CACHE_CHECK([for va_copy], ac_cv_c_va_copy,
  AC_TRY_LINK(
    [#include <stdarg.h>],
    [va_list ap1, ap2; va_copy(ap1,ap2);],
    [ac_cv_c_va_copy="yes"],
    [ac_cv_c_va_copy="no"]))
if test "${ac_cv_c_va_copy}" = "yes"; then
  AC_DEFINE(HAVE_VA_COPY, 1, [Define if <stdarg.h> defines va_copy.])
fi
AC_CACHE_CHECK([for __va_copy], ac_cv_c___va_copy,
  AC_TRY_LINK(
    [#include <stdarg.h>],
    [va_list ap1, ap2; __va_copy(ap1,ap2);],
    [ac_cv_c___va_copy="yes"],
    [ac_cv_c___va_copy="no"]))
if test "${ac_cv_c___va_copy}" = "yes"; then
  AC_DEFINE(HAVE___VA_COPY, 1, [Define if <stdarg.h> defines __va_copy.])
AC_CHECK_FUNCS(inet_aton,,[
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  AC_CHECK_LIB(resolv,inet_aton,[
    AX_ADD_LDFLAGS([ipv4 vlc],[-lresolv])
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  ])
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dnl Check for getopt (always use builtin one on win32)
if test "${SYS}" = "mingw32"; then
need_getopt=:
else
AC_CHECK_FUNCS(getopt_long,[AC_DEFINE(HAVE_GETOPT_LONG,1,long getopt support)],
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[ # FreeBSD has a gnugetopt library for this:
  AC_CHECK_LIB([gnugetopt],[getopt_long],
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    [AC_DEFINE(HAVE_GETOPT_LONG,1,getopt support)
     AX_ADD_LDFLAGS([vlc],[-lgnugetopt])],
AM_CONDITIONAL(BUILD_GETOPT, ${need_getopt})
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if test "${SYS}" != "mingw32"; then
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AC_CHECK_LIB(m,cos,[
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  AX_ADD_LDFLAGS([adjust distort a52tofloat32 dtstofloat32],[-lm])
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])
AC_CHECK_LIB(m,pow,[
  AX_ADD_LDFLAGS([ffmpeg stream_out_transcode stream_out_transrate i420_rgb faad vlc],[-lm])
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])
AC_CHECK_LIB(m,sqrt,[
  AX_ADD_LDFLAGS([headphone_channel_mixer],[-lm])
])
fi # end "${SYS}" != "mingw32"
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dnl Check for dynamic plugins
ac_cv_have_plugins=no

# OS X style
AC_CHECK_HEADERS(mach-o/dyld.h,
  [AC_CHECK_FUNCS(NSLinkModule,
    [AC_DEFINE(HAVE_DL_DYLD, 1, [Define if you have the Darwin dyld API])
     ac_cv_have_plugins=yes])])

# HP-UX style
if test "${ac_cv_have_plugins}" = "no"; then
  AC_CHECK_HEADERS(dl.h)
  ac_cv_my_have_shl_load=no
  AC_CHECK_FUNC(shl_load,
   [ac_cv_my_have_shl_load=yes,
    AC_CHECK_LIB(dld, shl_load,
     [ac_cv_my_have_shl_load=yes
      AX_ADD_LDFLAGS([vlc],[-ldld])])])
  if test "${ac_cv_my_have_shl_load}" = "yes"; then
    AC_DEFINE(HAVE_DL_SHL_LOAD, 1, [Define if you have the shl_load API])
    ac_cv_have_plugins=yes
  fi
fi

# Whatever style
if test "${ac_cv_have_plugins}" = "no"; then
  AC_CHECK_LIB(dld, dld_link,
   [AX_ADD_LDFLAGS([vlc],[-ldld])
    AC_DEFINE(HAVE_DL_DLD_LINK, 1, [Define if you have the GNU dld library])
    ac_cv_have_plugins=yes])
fi

# Win32 style
if test "${ac_cv_have_plugins}" = "no"; then
  if test "${SYS}" = "mingw32" -o "${SYS}" = "cygwin"; then
    AC_CHECK_LIB(kernel32, main,
     [AX_ADD_LDFLAGS([vlc],[-lkernel32])
      AC_DEFINE(HAVE_DL_WINDOWS, 1, [Define if you have Windows' LoadLibrary])
      ac_cv_have_plugins=yes])
  fi
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fi

# BeOS style
if test "${ac_cv_have_plugins}" = "no"; then
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  AC_CHECK_HEADERS(image.h)
  AC_CHECK_FUNCS(load_add_on,
   [AC_DEFINE(HAVE_DL_BEOS, 1, [Define if you have the BeOS dl])
    ac_cv_have_plugins=yes])
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fi

# Only test for dlopen() if the others didn't work
if test "${ac_cv_have_plugins}" = "no"; then
  AC_CHECK_HEADERS(dlfcn.h sys/dl.h)
  ac_cv_my_have_dlopen=no
  AC_CHECK_FUNC(dlopen,
    ac_cv_my_have_dlopen=yes,
    AC_CHECK_LIB(dl, dlopen,
      ac_cv_my_have_dlopen=yes
      AX_ADD_LDFLAGS([vlc],[-ldl]),
      AC_CHECK_LIB(svld, dlopen,
        ac_cv_my_have_dlopen=yes
        AX_ADD_LDFLAGS([vlc],[-lsvld]))))
  if test "${ac_cv_my_have_dlopen}" = "yes"; then
    AC_DEFINE(HAVE_DL_DLOPEN, 1, [Define if you have the dlopen API])
    ac_cv_have_plugins=yes
  fi
fi

if test "${SYS}" != "mingw32"; then
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dnl Check for pthreads - borrowed from XMMS
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THREAD_LIB=error
if test "${THREAD_LIB}" = "error"; then
  AC_CHECK_LIB(pthread,main,THREAD_LIB="-lpthread")
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fi
if test "${THREAD_LIB}" = "error"; then
  AC_CHECK_LIB(pthreads,main,THREAD_LIB="-lpthreads")
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fi
if test "${THREAD_LIB}" = "error"; then
  AC_CHECK_LIB(c_r,main,THREAD_LIB="-lc_r")
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fi
if test "${THREAD_LIB}" = "error"; then
  AC_CHECK_FUNCS(pthread_mutex_lock)
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fi
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dnl Check for cthreads under GNU/Hurd for instance
AC_CHECK_LIB(threads,cthread_fork,THREAD_LIB="-lthreads")
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dnl
dnl  GNU portable threads
dnl
AC_ARG_ENABLE(pth,
  [  --enable-pth            GNU Pth support (default disabled)],
  [ if test "${enable_pth}" = "yes"; then
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    AC_CHECK_LIB(pth,pth_init)
    AC_MSG_CHECKING(for pth_init in pth.h)
    AC_EGREP_HEADER(pth_init,pth.h,[
      AC_MSG_RESULT(yes)
      AC_DEFINE(PTH_INIT_IN_PTH_H, 1,
                Define if <pth.h> defines pth_init)
      THREAD_LIB="-lpth"
    ],[
      AC_MSG_RESULT(no)
    ])
    fi
])

dnl
dnl  State Threads
dnl
AC_ARG_ENABLE(st,
  [  --enable-st             State Threads (default disabled)],
  [ if test "${enable_st}" = "yes"; then
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    AC_CHECK_LIB(st,st_init)
    AC_MSG_CHECKING(for st_init in st.h)
    AC_EGREP_HEADER(st_init,st.h,[
      AC_MSG_RESULT(yes)
      AC_DEFINE(ST_INIT_IN_ST_H, 1,
                Define if <st.h> defines st_init)
      THREAD_LIB="-lst"
    ],[
      AC_MSG_RESULT(yes)
    ])
    fi
])

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AX_ADD_LDFLAGS([vlc plugin],[${THREAD_LIB}])
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dnl Don't link with rt when using GNU-pth
if test "${THREAD_LIB}" != "-lpth" && test "${THREAD_LIB}" != "-lst"; then
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  dnl HP/UX port
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  AC_CHECK_LIB(rt,sem_init, [AX_ADD_LDFLAGS([vlc],[-lrt])])
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  have_nanosleep=false
  AC_CHECK_FUNCS(nanosleep,have_nanosleep=:,[
    AC_CHECK_LIB(rt,nanosleep,
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      [AX_ADD_LDFLAGS([vlc],[-lrt]) have_nanosleep=:],
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      [AC_CHECK_LIB(posix4,nanosleep,
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          [AX_ADD_LDFLAGS([vlc],[-lposix4]) have_nanosleep=:])]
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    )
  ])
  if ${have_nanosleep}; then
    AC_DEFINE(HAVE_NANOSLEEP, 1,
              Define if nanosleep is available.)
  fi
fi

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dnl Check for misc headers
AC_MSG_CHECKING(for pthread_cond_t in pthread.h)
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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_MSG_RESULT(no)])

AC_MSG_CHECKING(for pthread_once in pthread.h)
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AC_EGREP_HEADER(pthread_once,pthread.h,[
  AC_DEFINE(PTHREAD_ONCE_IN_PTHREAD_H, 1,
            Define if <pthread.h> defines pthread_once.)],[
  AC_MSG_RESULT(no)])
fi # end "${SYS}" != "mingw32"

AC_MSG_CHECKING(for strncasecmp in strings.h)
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AC_EGREP_HEADER(strncasecmp,strings.h,[
            Define if <strings.h> defines strncasecmp.)],[
  AC_MSG_RESULT(no)])
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dnl Check for headers
AC_CHECK_HEADERS(signal.h time.h errno.h stdint.h stdbool.h getopt.h strings.h inttypes.h sys/int_types.h wchar.h)
AC_CHECK_HEADERS(sys/sockio.h fcntl.h sys/types.h sys/time.h sys/times.h sys/ioctl.h sys/stat.h)
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AC_CHECK_HEADERS(arpa/inet.h net/if.h netinet/in.h sys/socket.h)
if test "${SYS}" != "mingw32"; then
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AC_CHECK_HEADERS(machine/param.h sys/shm.h altivec.h)
AC_CHECK_HEADERS(linux/version.h)
fi # end "${SYS}" != "mingw32"
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AC_HEADER_TIME

AC_CHECK_HEADERS(dirent.h,,[need_dirent=:])
AM_CONDITIONAL(BUILD_DIRENT, ${need_dirent})

dnl Mac OS X and other OSes don't have declaration for nanosleep
if test "${SYS}" != "mingw32"; then
AC_MSG_CHECKING(for nanosleep in time.h)
AC_EGREP_HEADER(nanosleep,time.h,[
  AC_DEFINE(HAVE_DECL_NANOSLEEP, 1,
            Define if <time.h> defines nanosleep.)
fi # end "${SYS}" != "mingw32"
AC_MSG_CHECKING(for timespec in sys/time.h)
AC_EGREP_HEADER(timespec,sys/time.h,[
  AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1,
            Define if <sys/time.h> defines struct timespec.)
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dnl Check for threads library
if test "${SYS}" != "mingw32"; then
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AC_CHECK_HEADERS(cthreads.h pthread.h kernel/scheduler.h kernel/OS.h)
fi # end "${SYS}" != "mingw32"
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if test "${x_includes}" = "NONE"; then
if test "${x_libraries}" = "NONE"; then
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dnl Check for ntohl, etc.
AC_CACHE_CHECK([for ntohl in sys/param.h],
    [ac_cv_c_ntohl_sys_param_h],
    [CFLAGS="${CFLAGS_save} -Wall -Werror"
     AC_TRY_COMPILE([#include <sys/param.h>],
        [void foo() { int meuh; ntohl(meuh); }],
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
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dnl Check for inline function size limit
AC_CACHE_CHECK([if \$CC accepts -finline-limit],
    [ac_cv_c_inline_limit],
    [CFLAGS="${CFLAGS_save} -finline-limit-30000"
     AC_TRY_COMPILE([],,ac_cv_c_inline_limit=yes, ac_cv_c_inline_limit=no)])
if test "${ac_cv_c_inline_limit}" != "no"; then
    CFLAGS_save="${CFLAGS_save} -finline-limit-30000"; CFLAGS="${CFLAGS_save}"
    CXXFLAGS_save="${CXXFLAGS_save} -finline-limit-30000"; CXXFLAGS="${CXXFLAGS_save}"
    OBJCFLAGS_save="${OBJCFLAGS_save} -finline-limit-30000"; OBJCFLAGS="${OBJCFLAGS_save}"
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# XXX: do this with an M4 macro?
#dnl Check for various -W flags
#for flag in "" all unreachable-code conversion sign-compare disabled-optimization
#do
#    AC_CACHE_CHECK([if \$CC accepts -W${flag}],
#        [ac_cv_c_W${flag}],
#        [CFLAGS="-W${flag} ${CFLAGS_save}"
#         AC_TRY_COMPILE([],,ac_cv_c_W${flag}=yes, ac_cv_c_W${flag}=no)])
#    if test "${ac_cv_c_W${flag}}" != "no"; then
#        CFLAGS_save="-W${flag} ${CFLAGS_save}"; CFLAGS="${CFLAGS_save}"
#        CXXFLAGS_save="-W${flag} ${CFLAGS_save}"; CXXFLAGS="${CXXFLAGS_save}"
#        OBJCFLAGS_save="-W${flag} ${OBJCFLAGS_save}"; OBJCFLAGS="${OBJCFLAGS_save}"
#    fi
#done

AC_CACHE_CHECK([if \$CC accepts -Wall],
    [ac_cv_c_Wall],
    [CFLAGS="-Wall ${CFLAGS_save}"
     AC_TRY_COMPILE([],,ac_cv_c_Wall=yes, ac_cv_c_Wall=no)])

AC_CACHE_CHECK([if \$CC accepts -Wconversion],
    [ac_cv_c_Wconversion],
    [CFLAGS="-Wconversion ${CFLAGS_save}"
     AC_TRY_COMPILE([],,ac_cv_c_Wconversion=yes, ac_cv_c_Wconversion=no)])

AC_CACHE_CHECK([if \$CC accepts -Wunreachable-code],
    [ac_cv_c_Wunreachable_code],
    [CFLAGS="-Wunreachable-code ${CFLAGS_save}"
     AC_TRY_COMPILE([],,ac_cv_c_Wunreachable_code=yes, ac_cv_c_Wunreachable_code=no)])

AC_CACHE_CHECK([if \$CC accepts -Wsign-compare],
    [ac_cv_c_Wsign_compare],
    [CFLAGS="-Wsign-compare ${CFLAGS_save}"
     AC_TRY_COMPILE([],,ac_cv_c_Wsign_compare=yes, ac_cv_c_Wsign_compare=no)])

if test "${ac_cv_c_Wall}" != "no"; then
    CFLAGS_save="-Wall ${CFLAGS_save}"; CFLAGS="${CFLAGS_save}"
    CXXFLAGS_save="-Wall ${CFLAGS_save}"; CXXFLAGS="${CXXFLAGS_save}"
    OBJCFLAGS_save="-Wall ${OBJCFLAGS_save}"; OBJCFLAGS="${OBJCFLAGS_save}"
fi
if test "${ac_cv_c_Wsign_compare}" != "no"; then
    CFLAGS_save="-Wsign-compare ${CFLAGS_save}"; CFLAGS="${CFLAGS_save}"
    CXXFLAGS_save="-Wsign-compare ${CFLAGS_save}"; CXXFLAGS="${CXXFLAGS_save}"
    OBJCFLAGS_save="-Wsign-compare ${OBJCFLAGS_save}"; OBJCFLAGS="${OBJCFLAGS_save}"
fi

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dnl Check for -pipe
AC_CACHE_CHECK([if \$CC accepts -pipe],
    [ac_cv_c_pipe],
    [CFLAGS="${CFLAGS_save} -pipe"
     AC_TRY_COMPILE([],,ac_cv_c_pipe=yes, ac_cv_c_pipe=no)])
if test "${ac_cv_c_pipe}" != "no"; then
    CFLAGS_save="${CFLAGS_save} -pipe"; CFLAGS="${CFLAGS_save}"
    CXXFLAGS_save="${CXXFLAGS_save} -pipe"; CXXFLAGS="${CXXFLAGS_save}"
    OBJCFLAGS_save="${OBJCFLAGS_save} -pipe"; OBJCFLAGS="${OBJCFLAGS_save}"
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fi

dnl Check for various optimization flags
AC_CACHE_CHECK([if \$CC accepts -O3],
    [ac_cv_c_o3],
    [CFLAGS="${CFLAGS_save} -O3"
     AC_TRY_COMPILE([],,ac_cv_c_o3=yes, ac_cv_c_o3=no)])
if test "${ac_cv_c_o3}" != "no"; then
fi

AC_CACHE_CHECK([if \$CC accepts -O2],
    [ac_cv_c_o2],
    [CFLAGS="${CFLAGS_save} -O2"
     AC_TRY_COMPILE([],,ac_cv_c_o2=yes, ac_cv_c_o2=no)])
if test "${ac_cv_c_o2}" != "no"; then
    if test "${ac_cv_c_o3}" = "no"; then
    fi
    CFLAGS_NOOPTIM="${CFLAGS_NOOPTIM} -O2"
else
    AC_CACHE_CHECK([if \$CC accepts -O],
        [ac_cv_c_o],
        [CFLAGS="${CFLAGS_save} -O"
         AC_TRY_COMPILE([],,ac_cv_c_o=yes, ac_cv_c_o=no)])
    if test "${ac_cv_c_o}" != "no"; then
        if test "${ac_cv_c_o3}" = "no"; then
	fi
        CFLAGS_NOOPTIM="${CFLAGS_NOOPTIM} -O"
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    fi
fi

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

dnl Check for -funroll-loops
dnl Disabled on BeOS because BeOS' gcc is buggy and may crash with it
if test "${SYS}" != "beos"
then
  AC_CACHE_CHECK([if \$CC accepts -funroll-loops],
      [ac_cv_c_unroll_loops],
      [CFLAGS="${CFLAGS_save} -funroll-loops"
       AC_TRY_COMPILE([],,ac_cv_c_unroll_loops=yes, ac_cv_c_unroll_loops=no)])
  if test "${ac_cv_c_unroll_loops}" != "no"; then
      CFLAGS_OPTIM="${CFLAGS_OPTIM} -funroll-loops"
  fi
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fi

dnl Check for -fomit-frame-pointer
AC_CACHE_CHECK([if \$CC accepts -fomit-frame-pointer],
    [ac_cv_c_omit_frame_pointer],
    [CFLAGS="${CFLAGS_save} -fomit-frame-pointer"
     AC_TRY_COMPILE([],,ac_cv_c_omit_frame_pointer=yes, ac_cv_c_omit_frame_pointer=no)])
if test "${ac_cv_c_omit_frame_pointer}" != "no"; then
    CFLAGS_OPTIM_NODEBUG="${CFLAGS_OPTIM_NODEBUG} -fomit-frame-pointer"
    # this plugin does not compile without -fomit-frame-pointer, damn gcc!
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    AX_ADD_CFLAGS([i420_yuy2_mmx],[-fomit-frame-pointer])
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fi

dnl Check for -mdynamic-no-pic
AC_CACHE_CHECK([if \$CC accepts -mdynamic-no-pic],
    [ac_cv_c_dynamic_no_pic],
    [CFLAGS="${CFLAGS_save} -mdynamic-no-pic"
     AC_TRY_COMPILE([],,ac_cv_c_dynamic_no_pic=yes, ac_cv_c_dynamic_no_pic=no)])
if test "${ac_cv_c_dynamic_no_pic}" != "no"; then
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    AX_ADD_CFLAGS([builtin],[-mdynamic-no-pic])
    AX_ADD_CFLAGS([libvlc],[-mdynamic-no-pic])
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dnl Check for Darwin plugin linking flags
AC_CACHE_CHECK([if \$CC accepts -bundle -undefined error -lcc_dynamic],
    [ac_cv_ld_darwin],
    [CFLAGS="${CFLAGS_save} -bundle -undefined error -lcc_dynamic"
     AC_TRY_COMPILE([],,ac_cv_ld_darwin=yes, ac_cv_ld_darwin=no)])
if test "${ac_cv_ld_darwin}" != "no"; then
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    AX_ADD_LDFLAGS([plugin],[-bundle -undefined error -lcc_dynamic])
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dnl Check for standard plugin linking flags
dnl BeOS' gcc needs -nostart instead of -shared, even if -shared isn't harmful (just a warning)
if test "${SYS}" = "beos"; then
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  AX_ADD_LDFLAGS([plugin mozilla],[-nostart])
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  AC_CACHE_CHECK([if \$CC accepts -shared],
      [ac_cv_ld_plugins],
      [CFLAGS="${CFLAGS_save} -shared"
       AC_TRY_COMPILE([],, ac_cv_ld_plugins=yes, ac_cv_ld_plugins=no)])
  if test "${ac_cv_ld_plugins}" != "no"; then
    AX_ADD_LDFLAGS([plugin mozilla],[-shared])
  fi
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fi
dnl Check for variadic macros
AC_CACHE_CHECK([for variadic cpp macros],
    [ac_cv_cpp_variadic_macros],
    [CFLAGS="${CFLAGS_save}"
     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 "${ac_cv_cpp_variadic_macros}" != "no"; then
    AC_DEFINE(HAVE_VARIADIC_MACROS, 1, Support for variadic macros)
dnl Checks for __attribute__(aligned()) directive
AC_CACHE_CHECK([__attribute__ ((aligned ())) support],
    [ac_cv_c_attribute_aligned],
    [ac_cv_c_attribute_aligned=0
        CFLAGS="${CFLAGS_save} -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="${CFLAGS_save}"])
if test "${ac_cv_c_attribute_aligned}" != "0"; then
    AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX],
        [${ac_cv_c_attribute_aligned}],[Maximum supported data alignment])
dnl Checks for __attribute__(format()) directive
AC_CACHE_CHECK([__attribute__ ((format ())) support with function pointers],
    [ac_cv_c_attribute_format],
    [ac_cv_c_attribute_format=no
        CFLAGS="${CFLAGS_save} -Werror"
        AC_TRY_COMPILE([],
        [static void (*pf_printf)(const char *, ...) __attribute__ ((format(printf,1,2)));(void)pf_printf;],
        [ac_cv_c_attribute_format=yes])
        CFLAGS="${CFLAGS_save}"])
if test "${ac_cv_c_attribute_format}" != "no"; then
    AC_DEFINE(HAVE_ATTRIBUTE_FORMAT, 1, Support for __attribute__((format())) with function pointers)
fi

dnl Check for __attribute__(())
AC_CACHE_CHECK([for __attribute__((packed))],
  [ac_cv_c_attribute_packed],
  [ac_cv_c_attribute_packed=no
   AC_TRY_COMPILE(, [struct __attribute__((__packed__)) foo { int a; } b;],
                    [ac_cv_c_attribute_packed=yes])])
if test "${ac_cv_c_attribute_packed}" != "no"; then
  AC_DEFINE(HAVE_ATTRIBUTE_PACKED, 1, Support for __attribute__((packed)) for structs)
fi

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dnl
dnl  Check the CPU
dnl
case "${target_cpu}" in
  "")
dnl
dnl  Enable profiling
dnl
AC_ARG_ENABLE(gprof,
[  --enable-gprof          gprof profiling (default disabled)])
AC_ARG_ENABLE(cprof,
[  --enable-cprof          cprof profiling (default disabled)])
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test "${enable_gprof}" != "yes" && enable_gprof="no"
test "${enable_cprof}" != "yes" && enable_cprof="no"
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dnl
dnl  default modules
dnl
AX_ADD_PLUGINS([dummy rc telnet logger gestures memcpy hotkeys])
AX_ADD_PLUGINS([mpgv mpga m4v h264 mpeg_system ps ps2 pva ts avi asf aac mp4 rawdv demux2 nsv real aiff])
AX_ADD_PLUGINS([cvdsub svcdsub spudec dvbsub mpeg_audio lpcm a52 dts cinepak])
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AX_ADD_PLUGINS([deinterlace invert adjust wall transform distort clone crop motionblur])
AX_ADD_PLUGINS([float32tos16 float32tos8 float32tou16 float32tou8 a52tospdif dtstospdif fixed32tofloat32 fixed32tos16 s16tofixed32 s16tofloat32 s16tofloat32swab s8tofloat32 u8tofixed32 u8tofloat32])
AX_ADD_PLUGINS([trivial_resampler ugly_resampler linear_resampler bandlimited_resampler])
AX_ADD_PLUGINS([trivial_channel_mixer headphone_channel_mixer])
AX_ADD_PLUGINS([trivial_mixer spdif_mixer float32_mixer])
AX_ADD_PLUGINS([aout_file])
AX_ADD_PLUGINS([i420_rgb i420_yuy2 i422_yuy2 i420_ymga])
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AX_ADD_PLUGINS([id3 m3u playlist export sgimb])
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AX_ADD_PLUGINS([rawvideo])
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AX_ADD_PLUGINS([wav araw demuxdump demuxsub adpcm a52sys dtssys au])
AX_ADD_PLUGINS([access_file access_udp access_tcp access_http ipv4 access_mms])
AX_ADD_PLUGINS([access_ftp access_directory sap http])
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dnl
dnl  Switch to enable a version of VLC where most modules will be builtin
dnl
AC_ARG_ENABLE(mostly-builtin,
[  --enable-mostly-builtin most modules will be built-in (default disabled)])
if test "${enable_mostly_builtin}" = "yes"; then
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  AX_ADD_BUILTINS([${PLUGINS}])
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  PLUGINS=""
fi

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dnl
dnl Some plugins aren't useful on some platforms
dnl
if test "${SYS}" != "mingw32"; then
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    AX_ADD_PLUGINS([screensaver])
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else
    AX_ADD_PLUGINS([ntservice])
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fi
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dnl
dnl  Accelerated modules
dnl
MMX_MODULES="memcpymmx i420_rgb_mmx i422_yuy2_mmx i420_ymga_mmx"
#MMX_MODULES="${MMX_MODULES} idctmmx motionmmx"
MMXEXT_MODULES="memcpymmxext"
#MMXEXT_MODULES="${MMXEXT_MODULES} idctmmxext motionmmxext"
THREEDNOW_MODULES="memcpy3dn"
SSE_MODULES=""
ALTIVEC_MODULES="memcpyaltivec i420_yuy2_altivec"
#ALTIVEC_MODULES="${ALTIVEC_MODULES} idctaltivec motionaltivec"
if test "${enable_gprof}" != "yes"
then
  MMX_MODULES="${MMX_MODULES} i420_yuy2_mmx"
fi

AC_CACHE_CHECK([if \$CC groks MMX inline assembly],
    [ac_cv_mmx_inline],
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     AC_TRY_COMPILE(,[void *p;asm volatile("packuswb %%mm1,%%mm2"::"r"(p));],
                    ac_cv_mmx_inline=yes, ac_cv_mmx_inline=no)])
if test "${ac_cv_mmx_inline}" != "no"; then
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  AC_DEFINE(CAN_COMPILE_MMX, 1, Define if \$CC groks MMX inline assembly.)
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  ACCEL_MODULES="${ACCEL_MODULES} ${MMX_MODULES}"
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AC_CACHE_CHECK([if \$CC groks MMX EXT inline assembly],
    [ac_cv_mmxext_inline],
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     AC_TRY_COMPILE(,[void *p;asm volatile("maskmovq %%mm1,%%mm2"::"r"(p));],
                    ac_cv_mmxext_inline=yes, ac_cv_mmxext_inline=no)])
if test "${ac_cv_mmxext_inline}" != "no"; then
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  AC_DEFINE(CAN_COMPILE_MMXEXT, 1, Define if \$CC groks MMX EXT inline assembly.)
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  ACCEL_MODULES="${ACCEL_MODULES} ${MMXEXT_MODULES}"
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AC_CACHE_CHECK([if \$CC groks 3D Now! inline assembly],
    [ac_cv_3dnow_inline],
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     AC_TRY_COMPILE(,[void *p;asm volatile("pfadd %%mm1,%%mm2"::"r"(p));],
                    ac_cv_3dnow_inline=yes, ac_cv_3dnow_inline=no)])
if test "${ac_cv_3dnow_inline}" != "no"; then
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  AC_DEFINE(CAN_COMPILE_3DNOW, 1, Define if \$CC groks 3D Now! inline assembly.)
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  ACCEL_MODULES="${ACCEL_MODULES} ${THREEDNOW_MODULES}"
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AC_CACHE_CHECK([if \$CC groks SSE inline assembly],
    [ac_cv_sse_inline],
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     AC_TRY_COMPILE(,[void *p;asm volatile("xorps %%xmm1,%%xmm2"::"r"(p));],
                    ac_cv_sse_inline=yes, ac_cv_sse_inline=no)])
if test "${ac_cv_sse_inline}" != "no" -a "${SYS}" != "mingw32" -a "${SYS}" != "solaris"; then
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  AC_DEFINE(CAN_COMPILE_SSE, 1, Define if \$CC groks SSE inline assembly.)
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  ACCEL_MODULES="${ACCEL_MODULES} ${SSE_MODULES}"
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if test "${SYS}" != "mingw32"; then
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AC_CACHE_CHECK([if \$CC groks AltiVec inline assembly],
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     AC_TRY_COMPILE(,[asm volatile("vperm 0,1,2,3");],
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          AC_TRY_COMPILE(,[asm volatile("vperm 0,1,2,3");],
            [ac_cv_altivec_inline="-Wa,-m7400"],
            ac_cv_altivec_inline=no)
if test "${ac_cv_altivec_inline}" != "no"; then
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  AC_DEFINE(CAN_COMPILE_ALTIVEC, 1, Define if \$CC groks AltiVec inline assembly.)
  if test "${ac_cv_altivec_inline}" != "yes"; then
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    AX_ADD_CFLAGS([idctaltivec],[${ac_cv_altivec_inline}])
    AX_ADD_CFLAGS([motionaltivec],[${ac_cv_altivec_inline}])
    AX_ADD_CFLAGS([memcpyaltivec],[${ac_cv_altivec_inline}])
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    AX_ADD_CFLAGS([i420_yuy2_altivec],[${ac_cv_altivec_inline}])
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    AX_ADD_CFLAGS([vlc],[${ac_cv_altivec_inline}])
  ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
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AC_CACHE_CHECK([if \$CC groks AltiVec C extensions],
    [ac_cv_c_altivec],
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    [# Darwin test
     CFLAGS="${CFLAGS_save} -faltivec"
     AC_TRY_COMPILE([],
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       [vec_ld(0, (unsigned char *)0);],
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       [ac_cv_c_altivec="-faltivec"],
       [# Linux/PPC test
        CFLAGS="${CFLAGS_save} ${CFLAGS_idctaltivec} -maltivec -mabi=altivec"
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        AC_TRY_COMPILE([#ifdef HAVE_ALTIVEC_H
                        #include <altivec.h>
                        #endif],
          [vec_ld(0, (unsigned char *)0);],
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          [ac_cv_c_altivec="-maltivec -mabi=altivec"],
          [# Linux/PPC test (old GCC versions)
           CFLAGS="${CFLAGS_save} ${CFLAGS_idctaltivec} -fvec"
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           AC_TRY_COMPILE([#ifdef HAVE_ALTIVEC_H
                           #include <altivec.h>
                           #endif],
             [vec_ld(0, (unsigned char *)0);],
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             [ac_cv_c_altivec="-fvec"],
             [ac_cv_c_altivec=no])
           ])
if test "${ac_cv_c_altivec}" != "no"; then
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  AC_DEFINE(CAN_COMPILE_C_ALTIVEC, 1, Define if your compiler groks C AltiVec extensions.)
  AX_ADD_CFLAGS([vlc idctaltivec motionaltivec memcpyaltivec deinterlace i420_yuy2_altivec],[${ac_cv_c_altivec}])
  ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
fi

AC_CACHE_CHECK([if linker needs -framework vecLib],
    [ac_cv_ld_altivec],
    [LDFLAGS="${LDFLAGS_vlc} -framework vecLib"
     AC_TRY_LINK([],,ac_cv_ld_altivec=yes,ac_cv_ld_altivec=no)
if test "${ac_cv_ld_altivec}" != "no"; then
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  AX_ADD_LDFLAGS([vlc idctaltivec motionaltivec memcpyaltivec],[-framework vecLib])
fi # end "${SYS}" != "mingw32"
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AC_ARG_WITH(,[])
AC_ARG_WITH(,[Optimization options:])

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dnl
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dnl
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[  --with-tuning=ARCH      enable special tuning for an architecture
                          (default i686 on IA-32 and 750 on PPC)])
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if test -n "${with_tuning}"; then
    if test "${target_cpu}" = "powerpc"; then
        CFLAGS_TUNING="-mtune=${with_tuning}"
    else
        CFLAGS_TUNING="-mcpu=${with_tuning}"
    fi
    if test "${target_cpu}" = "i686" -o "${target_cpu}" = "i586" -o "${target_cpu}" = "i486" -o "${target_cpu}" = "i386"; then
        CFLAGS_TUNING="-mcpu=pentiumpro"
        if test "${target_cpu}" = "powerpc"; then CFLAGS_TUNING="-mtune=750"; fi
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dnl
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dnl  x86 accelerations
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dnl
if test "${target_cpu}" = "i686" -o "${target_cpu}" = "i586" -o "${target_cpu}" = "x86" -o "${target_cpu}" = "i386"
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then
    ARCH="${ARCH} mmx"
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    AX_ADD_BUILTINS([${ACCEL_MODULES}])
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fi
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dnl
dnl  Enable/disable optimizations
dnl
AC_ARG_ENABLE(optimizations,
[  --disable-optimizations disable compiler optimizations (default enabled)])
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test "${enable_optimizations}" != "no" && enable_optimizations="yes"
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dnl
dnl  AltiVec acceleration
dnl
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[  --disable-altivec       disable AltiVec optimizations (default enabled on PPC)],
[ if test "${enable_altivec}" = "yes"; then ARCH="${ARCH} altivec";
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    AX_ADD_BUILTINS([${ACCEL_MODULES}]) fi ],
[ if test "${target_cpu}" = "powerpc"; then ARCH="${ARCH} altivec";
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    AX_ADD_BUILTINS([${ACCEL_MODULES}]) fi ])
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dnl
dnl  Debugging mode
dnl
[  --enable-debug          debug mode (default disabled)])
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test "${enable_debug}" != "yes" && enable_debug="no"
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dnl
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dnl  Enable release-specific flags
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dnl
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AC_ARG_ENABLE(release,
[  --enable-release        activate extra optimizations (default disabled)])
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test "${enable_release}" != "yes" && enable_release="no"
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dnl
dnl Stream output
dnl
AC_ARG_ENABLE(sout,
  [  --enable-sout           Stream output modules (default enabled)])
if test "${enable_sout}" != "no"
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  AX_ADD_PLUGINS([access_output_dummy access_output_udp access_output_file access_output_http])
  AX_ADD_PLUGINS([mux_ts mux_ps mux_avi mux_mp4 mux_asf mux_dummy])
  AX_ADD_PLUGINS([packetizer_mpegvideo packetizer_h264])
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  AX_ADD_PLUGINS([packetizer_mpeg4video packetizer_mpeg4audio])
  AX_ADD_PLUGINS([packetizer_copy])
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  AX_ADD_PLUGINS([stream_out_dummy stream_out_standard stream_out_es stream_out_rtp])
  AX_ADD_PLUGINS([stream_out_duplicate stream_out_display stream_out_gather])
#  AX_ADD_PLUGINS([stream_out_transrate])
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  dnl Ogg and vorbis are handled in their respective section
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dnl
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dnl  Input plugins
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dnl

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AC_ARG_WITH(,[Input plugins:])
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dnl
dnl  live.com input
dnl
AC_ARG_ENABLE(livedotcom,
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[  --enable-livedotcom     live.com input plugin (default disabled)])
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if test "${enable_livedotcom}" = "yes"; then
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    [    --with-livedotcom-tree=PATH live.com tree for static linking])
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  if test -z "${with_livedotcom_tree}"; then
    AC_LANG_PUSH(C++)
    CPPFLAGS_save="${CPPFLAGS}"
    CPPFLAGS_livedotcom="-I/usr/include/liveMedia -I/usr/include/groupsock -I/usr/include/BasicUsageEnvironment -I/usr/include/UsageEnvironment"
    CPPFLAGS="${CPPFLAGS} ${CPPFLAGS_livedotcom}"
    AC_CHECK_HEADERS(liveMedia.hh, [
      AX_ADD_CXXFLAGS([livedotcom], [${CPPFLAGS_livedotcom}])
      AC_CHECK_LIB(liveMedia_pic, main, [
        # We have -lliveMedia_pic, build plugins
        AX_ADD_PLUGINS([livedotcom])
        AX_ADD_LDFLAGS([livedotcom], [-lliveMedia_pic -lgroupsock_pic -lBasicUsageEnvironment_pic -lUsageEnvironment_pic])
      ], [
        AC_CHECK_LIB(liveMedia, main, [
          # We only have -lliveMedia, do builtins
          AX_ADD_BUILTINS([livedotcom])
          AX_ADD_LDFLAGS([livedotcom], [-lliveMedia -lgroupsock -lBasicUsageEnvironment -lUsageEnvironment])
        ])
      ])
      if test "${SYS}" = "mingw32"; then
        # add ws2_32 for closesocket, select, recv
        AX_ADD_LDFLAGS([livedotcom],[-lws2_32])
      fi
    ])
    CPPFLAGS="${CPPFLAGS_save}"
    AC_LANG_POP(C++)
  else
    AC_MSG_CHECKING(for liveMedia/libliveMedia.a in ${with_livedotcom_tree})
    real_livedotcom_tree="`cd ${with_livedotcom_tree} 2>/dev/null && pwd`"
    if test -z "${real_livedotcom_tree}"; then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot cd to ${with_livedotcom_tree}])
    fi
    if test -f "${real_livedotcom_tree}/liveMedia/libliveMedia.a"; then
      AC_MSG_RESULT(${real_livedotcom_tree}/liveMedia/libliveMedia.a)

      AX_ADD_BUILTINS([livedotcom])

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      if test "${SYS}" = "mingw32"; then
        # add ws2_32 for closesocket, select, recv
        AX_ADD_LDFLAGS([livedotcom],[-lws2_32])
      fi

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      AX_ADD_LDFLAGS([livedotcom],[-L${real_livedotcom_tree}/liveMedia -lliveMedia])
      AX_ADD_LDFLAGS([livedotcom],[-L${real_livedotcom_tree}/BasicUsageEnvironment -lBasicUsageEnvironment])
      AX_ADD_LDFLAGS([livedotcom],[-L${real_livedotcom_tree}/groupsock -lgroupsock])
      AX_ADD_LDFLAGS([livedotcom],[-L${real_livedotcom_tree}/UsageEnvironment -lUsageEnvironment])

      AX_ADD_CXXFLAGS([livedotcom],[-I${real_livedotcom_tree}/BasicUsageEnvironment/include])
      AX_ADD_CXXFLAGS([livedotcom],[-I${real_livedotcom_tree}/groupsock/include])
      AX_ADD_CXXFLAGS([livedotcom],[-I${real_livedotcom_tree}/liveMedia/include])
      AX_ADD_CXXFLAGS([livedotcom],[-I${real_livedotcom_tree}/UsageEnvironment/include ])
    else
      dnl  The given live.com wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_livedotcom_tree}/liveMedia/libliveMedia.a, make sure you compiled live.com in ${with_livedotcom_tree}])
    fi
  fi
fi



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dnl
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dnl  DVD module: optionally check for installed libdvdcss
dnl
AC_ARG_ENABLE(dvd,
[  --enable-dvd            DVD input module (default enabled)])
if test "${enable_dvd}" != "no"
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then
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  [    --with-dvdcss=PATH    libdvdcss headers and libraries])
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  [    --with-dvdcss-tree=PATH libdvdcss tree for static linking])
  case "${with_dvdcss}" in
  ""|yes)
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    if test -z "${with_dvdcss_tree}"
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    then
      AC_CHECK_HEADERS(dvdcss/dvdcss.h,
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        [ AX_ADD_PLUGINS([dvd])
          AX_ADD_LDFLAGS([dvd dvdcss],[-ldvdcss])],
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        [ 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 ${with_dvdcss_tree} 2>/dev/null && pwd`"
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      if test -z "${real_dvdcss_tree}"
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      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(${real_dvdcss_tree}/src/.libs/libdvdcss.a)
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        AX_ADD_BUILTINS([dvd])
        AX_ADD_LDFLAGS([dvd dvdcss],[-L${real_dvdcss_tree}/src/.libs -ldvdcss])
        AX_ADD_CPPFLAGS([dvd],[-I${real_dvdcss_tree}/src])
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      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
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  ;;
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    dnl  Compile without dvdcss (dlopen version, works only under Linux)
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    AX_ADD_PLUGINS([dvd])
    AX_ADD_CPPFLAGS([dvd],[-DGOD_DAMN_DMCA])
    AX_ADD_LDFLAGS([dvd],[-ldl])
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  ;;
  *)
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    AC_MSG_CHECKING(for dvdcss headers in ${with_dvdcss})
    if test -f ${with_dvdcss}/include/dvdcss/dvdcss.h
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    then
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      dnl  Use ${with_dvdcss}/include/dvdcss/dvdcss.h
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      AC_MSG_RESULT(yes)
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      AX_ADD_PLUGINS([dvd])
      AX_ADD_LDFLAGS([dvd dvdcss],[-L${with_dvdcss}/lib -ldvdcss])
      AX_ADD_CPPFLAGS([dvd],[-I${with_dvdcss}/include])
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    else
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      dnl  No libdvdcss could be found, sorry
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      AC_MSG_RESULT(no)
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      AC_MSG_ERROR([cannot find ${with_dvdcss}/include/dvdcss/dvdcss.h])
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    fi
  ;;
  esac
fi
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dnl dvdread module: check for libdvdread
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AC_ARG_ENABLE(dvdread,
[  --enable-dvdread        dvdread input module (default disabled)])
if test "${enable_dvdread}" != "no"
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then
  [    --with-dvdread=PATH    libdvdread headers and libraries])
  AC_ARG_WITH(dvdread-tree,
  [    --with-dvdread-tree=PATH libdvdread tree for static linking])
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  if test -z "${with_dvdread}"
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  then
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    if test -z "${with_dvdread_tree}"
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      AC_CHECK_HEADERS(dvdread/dvd_reader.h,
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        [ AX_ADD_PLUGINS([dvdread])
          AX_ADD_LDFLAGS([dvdread],[-ldvdread ${LDFLAGS_dvdcss}])
        ],[
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          if test -n "${enable_dvdread}"
          then
            AC_MSG_WARN([Please get libdvdread from http://www.dtek.chalmers.se/groups/dvd/downloads.shtml])
            AC_MSG_ERROR([cannot find libdvdread headers])
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          fi
        ])
    else
      AC_MSG_CHECKING(for libdvdread.a in ${with_dvdread_tree})
      real_dvdread_tree="`cd ${with_dvdread_tree} 2>/dev/null && pwd`"
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      if test -z "${real_dvdread_tree}"
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      then
        dnl  The given directory can't be found
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot cd to ${with_dvdread_tree}])
      fi
      if test -f "${real_dvdread_tree}/dvdread/.libs/libdvdread.a"
      then
        dnl  Use a custom libdvdread
        AC_MSG_RESULT(${real_dvdread_tree}/dvdread/.libs/libdvdread.a)
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        AX_ADD_BUILTINS([dvdread])
        AX_ADD_LDFLAGS([dvdread],[-L${real_dvdread_tree}/dvdread/.libs -ldvdread ${LDFLAGS_dvdcss}])
        AX_ADD_CPPFLAGS([dvdread],[-I${real_dvdread_tree}])
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      else
        dnl  The given libdvdread wasn't built
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot find ${real_dvdread_tree}/dvdread/.libs/libdvdread.a, make sure you compiled libdvdread in ${with_dvdread_tree}])
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      fi
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    fi
  else
    AC_MSG_CHECKING(for dvdread headers in ${with_dvdread})
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    if test -f ${with_dvdread}/include/dvdread/dvd_reader.h
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      dnl  Use ${with_dvdread}/include/dvdread/dvd_reader.h
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      AX_ADD_PLUGINS([dvdread])
      AX_ADD_LDFLAGS([dvdread],[-L${with_dvdread}/lib -ldvdread ${LDFLAGS_dvdcss}])
      AX_ADD_CPPFLAGS([dvdread],[-I${with_dvdread}/include])
    else
      dnl  No libdvdread could be found, sorry
      AC_MSG_RESULT(no)
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      AC_MSG_ERROR([cannot find ${with_dvdread}/include/dvdread/dvd_reader.h])
fi

dnl
dnl dvdplay module: check for libdvdplay
dnl
AC_ARG_ENABLE(dvdplay,
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[  --enable-dvdplay        dvdplay input module (default enabled)])
if test "${enable_dvdplay}" != "no"
  [    --with-dvdplay=PATH    libdvdplay headers and libraries])
  AC_ARG_WITH(dvdplay-tree,
  [    --with-dvdplay-tree=PATH libdvdplay tree for static linking])
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  if test -z "${with_dvdplay}"
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    if test -z "${with_dvdplay_tree}"
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      AC_CHECK_HEADERS(dvdplay/dvdplay.h,[
          AX_ADD_PLUGINS([dvdplay])
          AX_ADD_LDFLAGS([dvdplay],[-ldvdplay ${LDFLAGS_dvdread} ${LDFLAGS_dvdcss}])
          AX_ADD_CPPFLAGS([dvdplay],[${CPPFLAGS_dvdread}])
        ],[
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          if test -n "${enable_dvdplay}"
          then
            AC_MSG_WARN([Please get libdvdplay from http://www.videolan.org/.])
            AC_MSG_ERROR([cannot find libdvdplay headers])
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          fi
        ])
    else
      AC_MSG_CHECKING(for libdvdplay.a in ${with_dvdplay_tree})
      real_dvdplay_tree="`cd ${with_dvdplay_tree} 2>/dev/null && pwd`"
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      if test -z "${real_dvdplay_tree}"
      then
        dnl  The given directory can't be found
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot cd to ${with_dvdplay_tree}])
      fi
      if test -f "${real_dvdplay_tree}/src/.libs/libdvdplay.a"
        dnl  Use a custom libdvdplay
        AC_MSG_RESULT(${real_dvdplay_tree}/src/.libs/libdvdplay.a)
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        AX_ADD_BUILTINS([dvdplay])
        AX_ADD_LDFLAGS([dvdplay],[-L${real_dvdplay_tree}/src/.libs -ldvdplay ${LDFLAGS_dvdread} ${LDFLAGS_dvdcss}])
        AX_ADD_CPPFLAGS([dvdplay],[${CPPFLAGS_dvdread} -I${real_dvdplay_tree}/src])
        dnl  The given libdvdplay wasn't built
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([cannot find ${real_dvdplay_tree}/src/.libs/libdvdplay.a, make sure you compiled libdvdplay in ${with_dvdplay_tree}])
  else
    AC_MSG_CHECKING(for dvdplay headers in ${with_dvdplay})
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    if test -f "${with_dvdplay}/include/dvdplay/dvdplay.h"
    then
      dnl  Use ${with_dvdplay}/include/dvdplay/dvdplay.h
      AC_MSG_RESULT(yes)
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      AX_ADD_PLUGINS([dvdplay])
      AX_ADD_LDFLAGS([dvdplay],[-L${with_dvdplay}/lib -ldvdplay ${LDFLAGS_dvdread} ${LDFLAGS_dvdcss}])
      AX_ADD_CPPFLAGS([dvdplay],[${CPPFLAGS_dvdread} -I${with_dvdplay}/include])
    else
      dnl  No libdvdplay could be found, sorry
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${with_dvdplay}/include/dvdplay/dvdplay.h])
    fi
  fi
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fi
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dnl
dnl  libdvdnav plugin
dnl
AC_ARG_ENABLE(dvdnav,
  [  --enable-dvdnav         dvdnav input module (default enabled)])
if test "${enable_dvdnav}" != "no"
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then
  DVDNAV_PATH="${PATH}"
  AC_ARG_WITH(dvdnav-config-path,
    [    --with-dvdnav-config-path=PATH dvdnav-config path (default search in \$PATH)],
    [ if test "${with_dvdnav_config_path}" != "no"
      then
        DVDNAV_PATH="${with_dvdnav_config_path}:${PATH}"
      fi ])
  AC_PATH_PROG(DVDNAV_CONFIG, dvdnav-config, no, ${DVDNAV_PATH})
  if test "${DVDNAV_CONFIG}" != "no"
  then
    AX_ADD_PLUGINS([dvdnav])
    AX_ADD_CFLAGS([dvdnav],[`${DVDNAV_CONFIG} --cflags`])
    AX_ADD_LDFLAGS([dvdnav],[`${DVDNAV_CONFIG} --libs`])
  fi
fi

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dnl
dnl  Windows DirectShow access module
dnl
AC_ARG_ENABLE(dshow,
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  [  --enable-dshow          Win32 DirectShow support (default enabled on Win32)])
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if test "${enable_dshow}" != "no"
then
  if test "${SYS}" = "mingw32" -o "${SYS}" = "cygwin"
  then
      AC_CHECK_HEADERS(dshow.h,
      [ AX_ADD_PLUGINS([dshow])
        AX_ADD_CXXFLAGS([dshow],[])
        AX_ADD_LDFLAGS([dshow],[-lole32 -loleaut32]) ])
  fi
fi

[  --enable-dvbpsi         dvbpsi ts mux and demux module (default enabled)])
if test "${enable_dvbpsi}" != "no"
  [    --with-dvbpsi=PATH    libdvbpsi headers and libraries])
  AC_ARG_WITH(dvbpsi,
  [    --with-dvbpsi-tree=PATH libdvbpsi tree for static linking])
  case "${with_dvbpsi}" in
  ""|yes)
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    if test -z "${with_dvbpsi_tree}"
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      AC_CHECK_HEADERS(dvbpsi/dr.h,
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        [ AX_ADD_PLUGINS([ts_dvbpsi mux_ts_dvbpsi ts2])
          AX_ADD_LDFLAGS([ts_dvbpsi mux_ts_dvbpsi ts2],[-ldvbpsi]) ],
        [  AC_MSG_WARN([cannot find libdvbpsi headers]) ],
        [#if defined( HAVE_STDINT_H )
#   include <stdint.h>
#elif defined( HAVE_INTTYPES_H )
#   include <inttypes.h>
#endif
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#include <dvbpsi/dvbpsi.h>
#include <dvbpsi/descriptor.h>
#include <dvbpsi/pat.h>
#include <dvbpsi/pmt.h>])
    else
      AC_MSG_CHECKING(for libdvbpsi.a in ${with_dvbpsi_tree})
      real_dvbpsi_tree="`cd ${with_dvbpsi_tree} 2>/dev/null && pwd`"
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      if test -z "${real_dvbpsi_tree}"
      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(${real_dvbpsi_tree}/src/.libs/libdvbpsi.a)
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        AX_ADD_BUILTINS([ts_dvbpsi mux_ts_dvbpsi ts2])
        AX_ADD_CPPFLAGS([ts_dvbpsi mux_ts_dvbpsi ts2],[-I${real_dvbpsi_tree}/src])
        AX_ADD_LDFLAGS([ts_dvbpsi mux_ts_dvbpsi ts2],[-L${real_dvbpsi_tree}/src/.libs -ldvbpsi])
      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
    dnl  Compile without dvbpsi
  ;;
  *)
    AC_MSG_CHECKING(for dvbpsi headers in ${with_dvbpsi})
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    if test -z "${with_dvbpsi}"
      LDFLAGS_test="-L${with_dvbpsi}/lib"
      CPPFLAGS_test="-I${with_dvbpsi}/include"
    CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_test}"
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    AC_CHECK_HEADERS([dvbpsi/dr.h],[
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      AX_ADD_PLUGINS([ts_dvbpsi mux_ts_dvbpsi ts2])
      AX_ADD_CPPFLAGS([ts_dvbpsi mux_ts_dvbpsi ts2],[${CPPFLAGS_test}])
      AX_ADD_LDFLAGS([ts_dvbpsi mux_ts_dvbpsi ts2],[${LDFLAGS_test} -ldvbpsi])
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    ],[
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      if test -n "${enable_dvbpsi}"
      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
    ])
dnl
dnl  Video4Linux plugin
dnl
AC_ARG_ENABLE(v4l,
  [  --enable-v4l            Video4Linux input support (default disabled)])
if test "${enable_v4l}" = "yes"
  AC_ARG_WITH(v4l,
    [    --with-v4l=PATH       path to a v4l-enabled kernel tree],[],[])
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  if test "${with_v4l}" != "no" -a -n "${with_v4l}"
  then
    AX_ADD_CPPFLAGS([v4l],[-I${with_v4l}/include])
  fi

  CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_v4l}"
  AC_CHECK_HEADERS(linux/videodev.h, [
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    AX_ADD_PLUGINS([v4l])
  ],[])
  CPPFLAGS="${CPPFLAGS_save}"
dnl
dnl  special access module for Hauppauge PVR cards
dnl
AC_ARG_ENABLE(pvr,
  [  --enable-pvr            PVR cards access module (default disabled)])
if test "${enable_pvr}" = "yes"
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  AX_ADD_PLUGINS([pvr])
dnl
dnl  VCDX and CDDAX modules
dnl
AC_ARG_ENABLE(libcdio,
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  [  --enable-libcdio        CDDA support via libcdio (default enabled)])

AC_ARG_ENABLE(libcddb,
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  [  --enable-libcddb        CDDB support for CDDAX (default enabled)])

AC_ARG_ENABLE(vcdx,
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  [  --enable-vcdx           VCD support with Navigation (default enabled)])
AC_ARG_ENABLE(cdda,           
  [  --enable-cdda           CDDA plugin support (default enabled)])

AC_ARG_ENABLE(cddax,
  [  --enable-cddax          CDDAX plugin support (default enabled)])
if test "${enable_cddax}" != "no"
then
  PKG_CHECK_MODULES(LIBCDIO, libcdio >= 0.65,
   [enable_cddax="no"
    AC_DEFINE(HAVE_CDDAX, [], [Define for the CD-DA plugin using libcdio])
    AX_ADD_LDFLAGS([cddax],[$LIBCDIO_LIBS])
    AX_ADD_CFLAGS([cddax],[$LIBCDIO_CFLAGS])
    AX_ADD_PLUGINS([cddax])], 
   [AC_MSG_WARN(libcdio library not found)
   HAVE_CDDAX=no])
    PKG_CHECK_MODULES(LIBCDDB, libcddb >= 0.9.4, [
      HAVE_LIBCDDB=yes 
      AC_DEFINE(HAVE_LIBCDDB, [], [Define this if you have libcddb installed])
      AX_ADD_LDFLAGS([cddax],[$LIBCDDB_LIBS])
      AX_ADD_CFLAGS([cddax],[$LIBCDDB_CFLAGS])
      ],
      [AC_MSG_WARN(new enough libcddb not found. CDDB access disabled) 
      HAVE_LIBCDDB=no])
  fi

  if test "${enable_vcdx}" != "no"
  then
    PKG_CHECK_MODULES(VCDINFO, libvcdinfo >= 0.7.20,
     [enable_vcd="no"
      AC_DEFINE(HAVE_VCDX, [], 
      [Define for the VCD plugin using libcdio/libvcdinfo])
      AX_ADD_LDFLAGS([vcdx],[$VCDINFO_LIBS])
      AX_ADD_CFLAGS([vcdx],[$VCDINFO_CFLAGS])
      AX_ADD_PLUGINS([vcdx])], 
     [AC_MSG_WARN(vcdinfo library not found)
     HAVE_VCDX=no])
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dnl  VCD module
dnl
AC_ARG_ENABLE(vcd,
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  [  --enable-vcd            VCD support for Linux, FreeBSD, MacOS X and Win32 (default enabled)])
if test "${enable_vcd}" != "no"
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then
  AC_MSG_CHECKING(for cdrom_msf0 in linux/cdrom.h)
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  AC_EGREP_HEADER(cdrom_msf0,linux/cdrom.h,[
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    AX_ADD_PLUGINS([vcd cdda])
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  ])
  AC_MSG_CHECKING(for scsireq in sys/scsiio.h)
  AC_EGREP_HEADER(scsireq,sys/scsiio.h,[
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    AX_ADD_PLUGINS([vcd cdda])
    AC_DEFINE(HAVE_SCSIREQ_IN_SYS_SCSIIO_H, 1, For NetBSD VCD support)
  AC_MSG_CHECKING(for ioc_toc_header in sys/cdio.h)
  AC_EGREP_HEADER(ioc_toc_header ,sys/cdio.h,[
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    AX_ADD_PLUGINS([vcd cdda])
    AC_DEFINE(HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H, 1, For FreeBSD VCD support)
  if test "${SYS}" = "bsdi" -o "${SYS}" = "mingw32"
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  then
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    AX_ADD_PLUGINS([vcd cdda])
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  fi
  if test "${SYS}" = "darwin"
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  then
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    AX_ADD_PLUGINS([vcd cdda])
    AX_ADD_LDFLAGS([vcd vcdx cdda],[-framework IOKit -framework CoreFoundation])
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  fi
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dnl
dnl  Satellite input module
dnl
AC_ARG_ENABLE(satellite,
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  [  --enable-satellite      satellite card support (default disabled)],
  [ if test "${enable_satellite}" = "yes"
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    then
      AC_DEFINE(HAVE_SATELLITE, [], 
      [Define for the VCD plugin using libcdio/libvcdinfo])
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      AX_ADD_PLUGINS([satellite])
dnl
dnl  DVB-S/DVB-T/DVB-C satellite/teresterial/cable input using v4l2
dnl
AC_ARG_ENABLE(dvb,
  [  --enable-dvb            DVB-S/T/C card support (default disabled)])

if test "${enable_dvb}" = "yes"
then
  AC_ARG_WITH(dvb,
  [    --with-dvb=PATH       path to a dvb- and v4l2-enabled kernel tree],[],[])
  if test "${with_dvb}" != "no" -a -n "${with_dvb}"
  then
    AX_ADD_CFLAGS([dvb],[-I${with_dvb}/include])
  fi
  CPPFLAGS="${CPPFLAGS_save} -I${with_dvb}/include"
  AC_CHECK_HEADERS(linux/dvb/version.h linux/dvb/frontend.h, [
    AX_ADD_PLUGINS([dvb])
  ],[])
  CPPFLAGS="${CPPFLAGS_save}"
fi

dnl  ipv6 plugin - not for QNX yet
if test "${SYS}" != "nto" && test "${SYS}" != "mingw32"
  AC_CHECK_FUNCS(inet_pton,[have_ipv6=:],[
    AC_CHECK_LIB(resolv,inet_pton,
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       AX_ADD_LDFLAGS([ipv6],[-lresolv])])
  AC_MSG_CHECKING(for sockaddr_in6 in netinet/in.h)
  AC_EGREP_HEADER(sockaddr_in6,netinet/in.h,
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    [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) have_ipv6=false])
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    AX_ADD_PLUGINS([ipv6])
if test "${SYS}" = "mingw32"
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then
  AC_MSG_CHECKING(for getaddrinfo in ws2tcpip.h)
  AC_EGREP_HEADER(addrinfo,ws2tcpip.h,[AC_MSG_RESULT(yes)
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    AX_ADD_PLUGINS([ipv6])],[AC_MSG_RESULT(no)])
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fi
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dnl
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dnl  ogg demux plugin
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dnl
AC_ARG_ENABLE(ogg,
  [  --enable-ogg            Ogg demux support (default enabled)])
if test "${enable_ogg}" != "no"
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then
  AC_CHECK_HEADERS(ogg/ogg.h, [
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    AC_CHECK_LIB( ogg, oggpack_read, [
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      AX_ADD_PLUGINS([ogg mux_ogg])
      AX_ADD_LDFLAGS([ogg mux_ogg],[-logg])])
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   ],[])
fi

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dnl
dnl  matroska demux plugin
dnl
AC_ARG_ENABLE(mkv,
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  [  --enable-mkv            Matroska demux support (default enabled)])
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if test "${enable_mkv}" != "no"; then
  AC_LANG_PUSH(C++)
  AC_CHECK_HEADERS(ebml/EbmlVersion.h, [
    AC_CHECK_HEADERS(matroska/KaxVersion.h, [
      AC_CHECK_HEADERS(matroska/KaxAttachments.h)
      AX_ADD_CXXFLAGS([mkv],[])
      AC_CHECK_LIB(ebml_pic, main, [
        # We have ebml_pic, that's good, we can build an mkv.so plugin !
        AX_ADD_PLUGINS([mkv])
        AX_ADD_LDFLAGS([mkv],[-lmatroska_pic -lebml_pic])
      ], [
        AC_CHECK_LIB(ebml, main, [
          # We only have libebml, make mkv.a a builtin
          AX_ADD_BUILTINS([mkv])
          AX_ADD_LDFLAGS([mkv],[-lmatroska -lebml])
        ])
      ])
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  ])
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  AC_LANG_POP(C++)
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fi

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dnl
dnl  modplug demux plugin
dnl
AC_ARG_ENABLE(mod,
  [  --enable-mod            Mod demux support (default enabled)])
if test "${enable_mod}" != "no"
then
  AC_CHECK_HEADERS(libmodplug/modplug.h, [
    AX_ADD_PLUGINS([mod])
    AX_ADD_CXXFLAGS([mod],[])
    AX_ADD_LDFLAGS([mod],[-lmodplug])])
fi

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dnl
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dnl  Codec plugins
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dnl
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AC_ARG_WITH(,[Codec plugins:])
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dnl  mad plugin
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AC_ARG_ENABLE(mad,
  [  --enable-mad            libmad module (default enabled)])
if test "${enable_mad}" != "no"
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then
  AC_ARG_WITH(mad,
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    [    --with-mad=PATH       path to libmad],[],[])
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  if test "${with_mad}" != "no" -a -n "${with_mad}"
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  then
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    AX_ADD_CPPFLAGS([mpgatofixed32],[-I${with_mad}/include])
    AX_ADD_LDFLAGS([mpgatofixed32],[-L${with_mad}/lib])
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  fi

  AC_ARG_WITH(mad-tree,
    [    --with-mad-tree=PATH  mad tree for static linking],[],[])
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  if test "${with_mad_tree}" != "no" -a -n "${with_mad_tree}"
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  then
    real_mad_tree="`cd ${with_mad_tree} 2>/dev/null && pwd`"
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    if test -z "${real_mad_tree}"
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    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([${with_mad_tree} directory doesn't exist])
    fi
    dnl  Use a custom libmad
    AC_MSG_CHECKING(for mad.h in ${real_mad_tree})
    if test -f ${real_mad_tree}/mad.h
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    then
      AC_MSG_RESULT(yes)
      AX_ADD_CPPFLAGS([mpgatofixed32],[-I${real_mad_tree}])
      AX_ADD_LDFLAGS([mpgatofixed32],[-L${real_mad_tree}/.libs])
      LDFLAGS="${LDFLAGS_save} ${LDFLAGS_mpgatofixed32}"
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      AC_CHECK_LIB(mad, mad_bit_init, [
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        AX_ADD_BUILTINS([mpgatofixed32])
        AX_ADD_LDFLAGS([mpgatofixed32],[-lmad])
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        ],[ AC_MSG_ERROR([the specified tree hasn't been compiled ])
      ],[])
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    else
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([the specified tree doesn't have mad.h])
    fi
  else
    CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_mpgatofixed32}"
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_mpgatofixed32}"
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    AC_CHECK_HEADERS(mad.h, ,
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      [ AC_MSG_ERROR([Could not find libmad on your system: you may get it from http://www.underbit.com/products/mad/. Alternatively you can use --disable-mad to disable the mad plugin.]) ])
    AC_CHECK_LIB(mad, mad_bit_init, [
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      AX_ADD_PLUGINS([mpgatofixed32])
      AX_ADD_LDFLAGS([mpgatofixed32],[-lmad])],
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      [ AC_MSG_ERROR([Cannot find libmad library...]) ])
    CPPFLAGS="${CPPFLAGS_save}"
    LDFLAGS="${LDFLAGS_save}"
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  fi
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fi
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  AC_CHECK_HEADERS(zlib.h, [
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    AX_ADD_LDFLAGS([id3tag],[-lid3tag -lz])
    AX_ADD_PLUGINS([id3tag])]) ])
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dnl  ffmpeg decoder/demuxer plugin
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[  --enable-ffmpeg         ffmpeg codec (default enabled)])
if test "${enable_ffmpeg}" != "no"
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  AC_ARG_WITH(ffmpeg-mp3lame,
    [    --with-ffmpeg-mp3lame   if ffmpeg has been compiled with mp3lame support],
    [
      dnl  XXX: we don't link with -lavcodec a 2nd time because the OS X
      dnl       linker would miserably barf on multiple definitions.
      AX_ADD_LDFLAGS([stream_out_transcode],[])
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      AX_ADD_LDFLAGS([ffmpeg],[-lmp3lame]) ])

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  AC_ARG_WITH(ffmpeg-faac,
    [    --with-ffmpeg-faac      if ffmpeg has been compiled with faac support],
    [
      dnl  XXX: we don't link with -lavcodec a 2nd time because the OS X
      dnl       linker would miserably barf on multiple definitions.
      AX_ADD_LDFLAGS([stream_out_transcode],[])
      AX_ADD_LDFLAGS([ffmpeg],[-lfaac]) ])

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  AC_ARG_WITH(ffmpeg-tree,
    [    --with-ffmpeg-tree=PATH ffmpeg tree for static linking])

  dnl
  dnl test for !(--with-ffmpeg-tree)
  dnl
  if test "${with_ffmpeg_tree}" = "no" -o -z "${with_ffmpeg_tree}"; then
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    CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_ffmpeg}"
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_ffmpeg}"
    AC_CHECK_HEADERS(ffmpeg/avcodec.h, [], [AC_MSG_ERROR([Missing header file ffmpeg/avcodec.h.])] )
    AC_CHECK_HEADERS(postproc/postprocess.h, [], [AC_MSG_ERROR([Missing header file postproc/postprocess.h.])] )
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    AC_CHECK_LIB(avcodec, avcodec_init, [
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      AX_ADD_BUILTINS([ffmpeg stream_out_transcode])
      AX_ADD_LDFLAGS([ffmpeg],[-lavcodec])
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      dnl  XXX: we don't link with -lavcodec a 2nd time because the OS X
      dnl       linker would miserably barf on multiple definitions.
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      AX_ADD_LDFLAGS([stream_out_transcode],[]) ],
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       [ AC_MSG_ERROR([Could not find ffmpeg on your system: you may get it from http://ffmpeg.sf.net/ (cvs version is recommended). Alternatively you can use --disable-ffmpeg to disable the ffmpeg plugins.]) ])
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    AC_CHECK_LIB(avformat, av_open_input_stream, [
      AC_DEFINE(HAVE_LIBAVFORMAT, 1,
      [Define if you have ffmpeg's libavformat.])
      AX_ADD_LDFLAGS([ffmpeg],[-lavformat -lz]) ])
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    LDFLAGS="${LDFLAGS_save}"
    CPPFLAGS="${CPPFLAGS_save}"
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  dnl
  dnl test for --with-ffmpeg-tree
  dnl
  if test "${with_ffmpeg_tree}" != "no" -a -n "${with_ffmpeg_tree}"; then
    AC_MSG_CHECKING(for libavcodec.a in ${with_ffmpeg_tree})
    real_ffmpeg_tree="`cd ${with_ffmpeg_tree} 2>/dev/null && pwd`"
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    if test -z "${real_ffmpeg_tree}"; then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot cd to ${with_ffmpeg_tree}])
    fi
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    if ! test -f "${real_ffmpeg_tree}/libavcodec/libavcodec.a"; then
      dnl  The given libavcodec wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_ffmpeg_tree}/libavcodec/libavcodec.a, make sure you compiled libavcodec in ${with_ffmpeg_tree}])
    fi
    if ! fgrep -s "pp_get_context" "${real_ffmpeg_tree}/libavcodec/libavcodec.a"; then
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      dnl  The given libavcodec wasn't built with --enable-pp
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([${real_ffmpeg_tree}/libavcodec/libavcodec.a was not compiled with postprocessing support, make sure you configured ffmpeg with --enable-pp])
    fi
    dnl  Use a custom libffmpeg
    AC_MSG_RESULT(${real_ffmpeg_tree}/libavcodec/libavcodec.a)
    AX_ADD_BUILTINS([ffmpeg stream_out_transcode])
    AX_ADD_LDFLAGS([ffmpeg],[-L${real_ffmpeg_tree}/libavcodec -lavcodec])
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    AX_ADD_CPPFLAGS([ffmpeg],[-I${real_ffmpeg_tree}/libavcodec -I${real_ffmpeg_tree}/libavformat])
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    if test -f "${real_ffmpeg_tree}/libavformat/libavformat.a"; then
      AC_DEFINE(HAVE_LIBAVFORMAT, 1, [Define if you have ffmpeg's libavformat.])
      AX_ADD_LDFLAGS([ffmpeg],[-L${real_ffmpeg_tree}/libavformat -lavformat -lz])
      AX_ADD_CPPFLAGS([ffmpeg],[-I${real_ffmpeg_tree}/libavformat])
    fi

    dnl  XXX: we don't link with -lavcodec a 2nd time because the OS X
    dnl       linker would miserably barf on multiple definitions.
    AX_ADD_LDFLAGS([stream_out_transcode],[-L${real_ffmpeg_tree}/libavcodec])
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    AX_ADD_CPPFLAGS([stream_out_transcode],[-I${real_ffmpeg_tree}/libavcodec -I${real_ffmpeg_tree}/libavformat])
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  fi
dnl
dnl  faad decoder plugin
dnl
AC_ARG_ENABLE(faad,
[  --enable-faad           faad codec (default disabled)])
if test "${enable_faad}" = "yes"
  [    --with-faad-tree=PATH faad tree for static linking])
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  if test -n "${with_faad_tree}"
  then
    AC_MSG_CHECKING(for libfaad.a in ${with_faad_tree})
    real_faad_tree="`cd ${with_faad_tree} 2>/dev/null && pwd`"
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    if test -z "${real_faad_tree}"
    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot cd to ${with_faad_tree}])
    fi
    if test -f "${real_faad_tree}/libfaad/.libs/libfaad.a"
    then
      dnl  Use a custom faad
      AC_MSG_RESULT(${real_faad_tree}/libfaad/.libs/libfaad.a)
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      AX_ADD_BUILTINS([faad])
      AX_ADD_LDFLAGS([faad],[${real_faad_tree}/libfaad/.libs/libfaad.a])
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      AX_ADD_CPPFLAGS([faad],[-I${real_faad_tree}/include])
    else
      dnl  The given libfaad wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_faad_tree}/libfaad/.libs/libfaad.a, make sure you compiled libfaad in ${with_faad_tree}])
    CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_faad}"
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_faad}"
    AC_CHECK_HEADERS(faad.h, ,
      [ AC_MSG_ERROR([Cannot find development headers for libfaad...]) ])
    AC_CHECK_LIB(faad, faacDecOpen, [
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      AX_ADD_PLUGINS([faad])
      AX_ADD_LDFLAGS([faad],[-lfaad]) ],
      AC_CHECK_LIB(faad, NeAACDecOpen, [
        AX_ADD_PLUGINS([faad])
        AX_ADD_LDFLAGS([faad],[-lfaad]) ],
        [ AC_MSG_ERROR([Cannot find libfaad library...]) ]))
    LDFLAGS="${LDFLAGS_save}"
    CPPFLAGS="${CPPFLAGS_save}"
dnl dnl
dnl dnl  xvid decoder plugin
dnl dnl
dnl AC_ARG_ENABLE(xvid,
dnl [  --enable-xvid           xvid codec (default disabled)])
dnl if test "${enable_xvid}" = "yes"
dnl then
dnl   AC_ARG_WITH(xvid,
dnl     [    --with-xvid=PATH      path to xvid installation],[],[])
dnl   if test "${with_xvid}" != "no" -a -n "${with_xvid}"
dnl   then
dnl     AX_ADD_CPPFLAGS([xvid],[-I${with_xvid}/include])
dnl     AX_ADD_LDFLAGS([xvid],[-L${with_xvid}/lib])
dnl   fi
dnl 
dnl   AC_ARG_WITH(xvid-tree,
dnl   [    --with-xvid-tree=PATH xvid tree for static linking])
dnl   if test -n "${with_xvid_tree}"
dnl   then
dnl     AC_MSG_CHECKING(for libxvidcore.a in ${with_xvid_tree})
dnl     real_xvid_tree="`cd ${with_xvid_tree} 2>/dev/null && pwd`"
dnl     if test -z "${real_xvid_tree}"
dnl     then
dnl       dnl  The given directory can't be found
dnl       AC_MSG_RESULT(no)
dnl       AC_MSG_ERROR([cannot cd to ${with_xvid_tree}])
dnl     fi
dnl     if test -f "${real_xvid_tree}/build/generic/libxvidcore.a"
dnl     then
dnl       dnl  Use a custom xvid
dnl       AC_MSG_RESULT(${real_xvid_tree}/build/generic/libxvidcore.a)
dnl       AX_ADD_BUILTINS([xvid])
dnl       AX_ADD_LDFLAGS([xvid],[-L${real_xvid_tree}/build/generic -lxvidcore])
dnl       AX_ADD_CPPFLAGS([xvid],[-I${real_xvid_tree}/src])
dnl     else
dnl       dnl  The given libxvidcore wasn't built
dnl       AC_MSG_RESULT(no)
dnl       AC_MSG_ERROR([cannot find ${real_xvid_tree}/build/generic/libxvidcore.a, make sure you compiled libxvidcore in ${with_xvid_tree}])
dnl     fi
dnl   else
dnl     CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_xvid}"
dnl     LDFLAGS="${LDFLAGS_save} ${LDFLAGS_xvid}"
dnl     AC_CHECK_HEADERS(xvid.h, ,
dnl       [ AC_MSG_ERROR([Cannot find development headers for libxvidcore...]) ])
dnl     AC_CHECK_LIB(xvidcore, xvid_init, [
dnl       AX_ADD_PLUGINS([xvid])
dnl       AX_ADD_LDFLAGS([xvid],[-lxvidcore]) ],
dnl       [ AC_MSG_ERROR([Cannot find libxvidcore library...]) ])
dnl     LDFLAGS="${LDFLAGS_save}"
dnl     CPPFLAGS="${CPPFLAGS_save}"
dnl   fi
dnl fi
dnl
dnl  QuickTime plugin
dnl
AC_ARG_ENABLE(quicktime,
  [  --enable-quicktime      QuickTime module (default enabled on MacOS X)])
if test "${enable_quicktime}" != "no" &&
  (test "${SYS}" = "darwin" || test "${enable_quicktime}" = "yes")
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  if test "${SYS}" = "mingw32"; then
    AX_ADD_BUILTINS([quicktime])
  else
  AC_CHECK_HEADERS(QuickTime/QuickTime.h,
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    [ AX_ADD_BUILTINS([quicktime])
      AX_ADD_LDFLAGS([quicktime],[-framework QuickTime -framework Carbon])
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    ], [ AC_MSG_ERROR([cannot find QuickTime headers]) ])
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  fi
AC_CHECK_HEADERS(zlib.h, [
  AX_ADD_LDFLAGS([mp4 skins skins2 sap],[-lz])
AC_CHECK_HEADERS(sysfs/libsysfs.h, [
  AX_ADD_LDFLAGS([mp4],[-lsysfs])
] )

dnl
dnl skins module
dnl
AC_CHECK_HEADERS(libtar.h, [
  AX_ADD_LDFLAGS([skins skins2],[-ltar])
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dnl
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dnl A52/AC3 decoder plugin
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dnl
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AC_ARG_ENABLE(a52,
  [  --enable-a52            A/52 support with liba52 (default enabled)])
if test "${enable_a52}" != "no"
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then
    [    --with-a52=PATH       a52 headers and libraries])
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  AC_ARG_WITH(a52-tree,
    [    --with-a52-tree=PATH  a52dec tree for static linking ],[],[])
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  if test "${with_a52_tree}" != "no" -a -n "${with_a52_tree}"
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  then
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    real_a52_tree="`cd ${with_a52_tree} 2>/dev/null && pwd`"
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    if test -z "${real_a52_tree}"
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    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([${with_a52_tree} directory doesn't exist])
    fi
    dnl  Use a custom a52dec
    AC_MSG_CHECKING(for a52.h in ${real_a52_tree}/include)
    if test -f ${real_a52_tree}/include/a52.h
    then
      AC_MSG_RESULT(yes)
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      AX_ADD_CPPFLAGS([a52tofloat32],[-I${real_a52_tree}])
      AX_ADD_LDFLAGS([a52tofloat32],[-L${real_a52_tree}/liba52/.libs])
      LDFLAGS="${LDFLAGS_save} ${LDFLAGS_a52tofloat32}"
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      AC_CHECK_LIB(a52, a52_free, [
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        AX_ADD_BUILTINS([a52tofloat32])
        AX_ADD_CPPFLAGS([a52tofloat32],[-DUSE_A52DEC_TREE])
        AX_ADD_LDFLAGS([a52tofloat32],[-la52])
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        ],[
        if test -f ${real_a52_tree}/liba52/.libs/liba52.a
        then
          AC_MSG_ERROR([make sure you have at least a52dec-0.7.3])
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        else
          AC_MSG_ERROR([the specified tree hasn't been compiled])
        fi
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    else
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([the specified tree doesn't have a52.h])
    fi
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    if test -z "${with_a52}"
      LDFLAGS_test="-L${with_a52}/lib"
      CPPFLAGS_test="-I${with_a52}/include"
    CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_test} ${CPPFLAGS_a52tofloat32}"
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_test} ${LDFLAGS_a52tofloat32}"
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      AC_CHECK_LIB(a52, a52_free, [
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        AX_ADD_PLUGINS([a52tofloat32])
        AX_ADD_LDFLAGS([a52tofloat32],[${LDFLAGS_test} -la52])
        AX_ADD_CPPFLAGS([a52tofloat32],[${CPPFLAGS_test}])
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        AC_MSG_ERROR([Could not find liba52 on your system: you may get it from http://liba52.sf.net/. Alternatively you can use --disable-a52 to disable the a52 plugin.])
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    ])
    CPPFLAGS="${CPPFLAGS_save}"
    LDFLAGS="${LDFLAGS_save}"
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  fi
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fi

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dnl
dnl DTS Coherent Acoustics decoder plugin
dnl
AC_ARG_ENABLE(dts,
  [  --enable-dts            DTS Coherent Acoustics support with libdts (default enabled)])
if test "${enable_dts}" != "no"; then
  AC_ARG_WITH(dts-tree,
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    [    --with-dts-tree=PATH  libdts tree for static linking ],[],[])
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  if test "${with_dts_tree}" != "no" -a -n "${with_dts_tree}"
  then
    real_dts_tree="`cd ${with_dts_tree} 2>/dev/null && pwd`"
    if test -z "${real_dts_tree}"
    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([${with_dts_tree} directory doesn't exist])
    fi
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    dnl  Use a custom libdts
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    AC_MSG_CHECKING(for dts.h in ${real_dts_tree}/include)
    if test -f ${real_dts_tree}/include/dts.h
    then
      AC_MSG_RESULT(yes)
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      AX_ADD_CPPFLAGS([dtstofloat32],[-I${real_dts_tree}/include])
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      AX_ADD_LDFLAGS([dtstofloat32],[-L${real_dts_tree}/libdts])
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      LDFLAGS="${LDFLAGS_save} ${LDFLAGS_dtstofloat32}"
      AC_CHECK_LIB(dts, dts_free, [
        AX_ADD_BUILTINS([dtstofloat32])
        AX_ADD_LDFLAGS([dtstofloat32],[-ldts])
        ],[
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        if test -f ${real_dts_tree}/libdts/libdts.a
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        then
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          AC_MSG_ERROR([make sure you have at least libdts-0.0.2])
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        else
          AC_MSG_ERROR([the specified tree hasn't been compiled])
        fi
      ])
      LDFLAGS="${LDFLAGS_save}"
    else
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([the specified tree doesn't have dts.h])
    fi
  else
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_dtstofloat32}"
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    AC_CHECK_HEADERS(dts.h, [
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      AC_CHECK_LIB(dts, dts_free, [
        AX_ADD_PLUGINS([dtstofloat32])
        AX_ADD_LDFLAGS([dtstofloat32],[-ldts])
      ],[
        if test "${enable_dts}" = "yes"; then
          AC_MSG_ERROR([Could not find libdts on your system: you may get it from http://www.videolan.org/dtsdec.html])
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        fi
      ])
    ])
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  fi
fi

dnl dnl
dnl dnl  DV plugin
dnl dnl
dnl AC_ARG_ENABLE(dv,
dnl   [  --enable-dv             DV decoder support (deprecated in favor of ffmpeg) (default disabled)])
dnl if test "${enable_dv}" = "yes"
dnl then
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