Source

transcode-tcforge / configure.in

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

dnl not yet
dnl AC_INIT(transcode,1.2.0)
dnl
AC_INIT(transcode,m4_esyscmd([./hgversion.sh '1.2.0-']))
AC_CONFIG_AUX_DIR(autotools)
AC_CONFIG_SRCDIR(src/transcode.c)

dnl Detect the canonical host and target build environment
AC_CANONICAL_SYSTEM

AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(config.h)

AM_MAINTAINER_MODE

dnl Checks for programs.
AC_LANG([C])
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_PROG_AS
AM_CONDITIONAL(HAVE_GCC, test x"$GCC" = x"yes")

dnl Check for gcc2, which doesn't seem to handle asm templates
dnl And check for gcc4, which also has problems with filter_tomsmocomp
dnl
gcc2=no
gcc4=no
if test x"$GCC" = x"yes" ; then
  gcc_ver="`LANG=C $CC -dumpversion`"
  if test x"$gcc_ver" != x"" ; then
    if echo $gcc_ver | grep -q ^2 ; then
      gcc2=yes
    fi
    if echo $gcc_ver | grep -q ^4 ; then
      gcc4=yes
    fi
  fi
fi
AM_CONDITIONAL(HAVE_GCC2, test x"$gcc2" = x"yes")
AM_CONDITIONAL(HAVE_GCC4, test x"$gcc4" = x"yes")

dnl we got $AWK already, but not its full path
AC_PATH_PROG(PATH_TO_AWK, $AWK)

dnl Check the OS.  This has to be done here, after checks for proograms and
dnl before checks for libraries.

deflib="/lib"
is_linux=no
is_bsd=no
is_osx=no
case "${target_os}" in
  *linux*)
    is_linux=yes
    AC_DEFINE([OS_LINUX], 1, [Define if your system is Linux])
    ;;
  freebsd*|openbsd*|netbsd*|bsdi*|darwin*|rhapsody*)
    is_bsd=yes
    AC_DEFINE([OS_BSD], 1, [Define if your system is modern BSD])
  
  # darwin is a subcase of BSD
  case "${target_os}" in
    darwin*)
      is_osx=yes
      CFLAGS="${CFLAGS} -no-cpp-precomp -D_INTL_REDIRECT_MACROS"
      #LDFLAGS="${LDFLAGS} -all_load"

      AC_DEFINE([OS_DARWIN], 1, [Define if this is a Darwin / MacOS X system.])
      AC_DEFINE([BROKEN_PTHREADS], 1, [Define if you have weird pthreads.])

      # Include Fink in compile and link if present
      if test -d /sw; then
        CPPFLAGS="${CPPFLAGS} -I/sw/include"
        LDFLAGS="${LDFLAGS} -L/sw/lib"
      fi
      ;;
  esac
    ;;
esac
AM_CONDITIONAL([OS_LINUX], test x"$is_linux" = x"yes")
AM_CONDITIONAL([OS_BSD], test x"$is_bsd" = x"yes")
AM_CONDITIONAL([OS_DARWIN], test x"$is_osx" = x"yes")


dnl Checks for libraries.
AC_CHECK_LIB(dl, dlopen)
AC_CHECK_FUNCS([dlopen])
if test x"$is_osx" = x"true" ; then
  AC_CHECK_FUNCS(dlsym_prepend_underscore,
    [CFLAGS="${CFLAGS} -Ddlsym=dlsym_prepend_underscore"],
    AC_MSG_WARN([Function 'dlsym_prepend_underscore' not found.])
    AC_MSG_WARN([Using function 'dlsym' directly instead.])
    AC_MSG_WARN([This can be a problem if the installed dlsym])
    AC_MSG_WARN([does not automatically prepend an underscore])
    AC_MSG_WARN([to symbols.]))
fi

USE_DLDARWIN=no
if test x"$ac_cv_lib_dl_dlopen" = x"no" ; then
  case x${target_os} in
    xdarwin*)
      USE_DLDARWIN=yes
      DLDARWIN_CFLAGS="-I\$(top_srcdir)/libdldarwin/"
      DLDARWIN_LIBS="\$(top_builddir)/libdldarwin/libdldarwin.a"
      ;;
  esac
fi
AC_SUBST(USE_DLDARWIN)
AC_SUBST(DLDARWIN_CFLAGS)
AC_SUBST(DLDARWIN_LIBS)
AM_CONDITIONAL(USE_DLDARWIN, test x"$USE_DLDARWIN" = x"yes")

dnl libtool setup
AC_PROVIDE([AC_PROG_CXX])  dnl we don't want it!
AC_PROVIDE([AC_PROG_F77])  dnl likewise
AC_DISABLE_STATIC
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL


dnl Checks for header files.
TC_CHECK_STD_HEADERS
AC_CHECK_HEADERS([endian.h malloc.h sys/mman.h sys/select.h])

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN([words_bigendian=true
  AC_DEFINE([WORDS_BIGENDIAN], 1, [Define if your CPU is big-endian.])],
  words_bigendian=false)
AM_CONDITIONAL(WORDS_BIGENDIAN, test x"$words_bigendian" = x"true")
TC_C_GCC_ATTRIBUTES
TC_C_ATTRIBUTE_ALIGNED

dnl Checks for library functions.
AC_FUNC_MALLOC
AC_TYPE_SIGNAL
AC_CHECK_FUNCS([getopt_long_only getpagesize gettimeofday mmap strlcat strlcpy strtof vsscanf])
AM_CONDITIONAL(HAVE_GETOPT_LONG_ONLY, test x"$ac_cv_func_getopt_long_only" = x"yes")
AM_CONDITIONAL(HAVE_MMAP, test x"$ac_cv_func_mmap" = x"yes")
AM_CONDITIONAL(HAVE_GETTIMEOFDAY, test x"$ac_cv_func_gettimeofday" = x"yes")

dnl Special check for sysconf() to ensure _SC_PAGESIZE is also available.
AC_CACHE_CHECK([for sysconf(_SC_PAGESIZE)], ac_cv_sysconf_with_sc_pagesize,
               [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]],[[sysconf(_SC_PAGESIZE);]])],
                                  [ac_cv_sysconf_with_sc_pagesize=yes],
                                  [ac_cv_sysconf_with_sc_pagesize=no])])
if test x"$ac_cv_sysconf_with_sc_pagesize" = x"yes"; then
    AC_DEFINE([HAVE_SYSCONF_WITH_SC_PAGESIZE], 1,
              [Define to 1 if you have sysconf(_SC_PAGESIZE).])
fi

dnl Large file support.
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO

dnl Thread support (pthreads).
case "$host" in
  *-*-freebsd*)
    pthread_cflags="-pthread -D_REENTRANT -D_THREAD_SAFE"
    pthread_libs="-pthread"
    ;;
  *-*-openbsd*)
    pthread_cflags="-D_REENTRANT"
    pthread_libs="-pthread"
    ;;
  *-*-bsdi*)
    pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
    pthread_libs=""
    ;;
  *)
    pthread_cflags="-D_REENTRANT"
    pthread_libs="-lpthread"
    ;;
esac
# let user override
if test -n "$PTHREAD_LIBS" ; then
  pthread_libs="$PTHREAD_LIBS"
fi
if test -n "$PTHREAD_CFLAGS" ; then
  pthread_cflags="$PTHREAD_CFLAGS"
fi
save_LIBS="$LIBS"
LIBS="$LIBS $pthread_libs"
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $pthread_cflags"
AC_MSG_CHECKING(for pthreads in $pthread_libs)
AC_TRY_LINK([
#include <pthread.h>
],[
   pthread_attr_t type;
   pthread_attr_init(&type);
],
  [use_pthreads="yes"],
  [use_pthreads="no"]
);
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($use_pthreads)
if test x"$use_pthreads" = x"yes" ; then
  PTHREAD_LIBS="$pthread_libs"
  PTHREAD_CFLAGS="$pthread_cflags"
else
  PTHREAD_LIBS=""
  PTHREAD_CFLAGS=""
fi
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(PTHREAD_CFLAGS)


dnl
dnl Architecture specific instructions
dnl

AC_MSG_CHECKING([for build architecture])
have_x86cpu=false
have_x86_64cpu=false
have_ppccpu=false
case x"$host_cpu" in
  xi?86*|xk6*)
    have_x86cpu=true
    AC_MSG_RESULT([Intel Pentium architecture (IA32)])
    AC_DEFINE([ARCH_X86], 1, [Define if your machine is x86 based])
    ;;
  xx86_64*|xamd64*)
    have_x86_64cpu=true
    AC_MSG_RESULT([AMD64 architecture (AMD64)])
    AC_DEFINE([ARCH_X86_64], 1, [Define if your machine is AMD64 based])
    ;;
  xpowerpc*)
    have_ppccpu=true
    AC_MSG_RESULT([Mac PPC architecture (PPC)])
    AC_DEFINE([ARCH_PPC], 1, [Define if your machine is PPC based])
    ;;
  *)
    ;;
esac
AM_CONDITIONAL(ARCH_X86, test x"$have_x86cpu" = x"true")
AM_CONDITIONAL(ARCH_X86_64, test x"$have_x86_64cpu" = x"true")
AM_CONDITIONAL(ARCH_PPC, test x"$have_ppccpu" = x"true")


dnl x86 & x86_64 architectures

dnl MMX support
dnl
explicit_mmx=no
AC_ARG_ENABLE(mmx,
  AC_HELP_STRING([--enable-mmx],
    [enable MMX code portions (yes)]),
  [case "${enableval}" in
    yes) use_mmx=yes ;;
    no)  use_mmx=no ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-mmx) ;;
  esac
  explicit_mmx=yes],
  [if test x"$have_x86cpu" = x"true" -o x"$have_x86_64cpu" = x"true" ; then
    use_mmx=yes
  else
    use_mmx=no
  fi])

have_asm_mmx="no"
if test x"$use_mmx" = x"yes" ; then
  AC_MSG_CHECKING([if \$CC groks MMX inline assembly])
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [void *p;asm volatile("packuswb %%mm1,%%mm2"::"r"(p));])],
    [have_asm_mmx="yes"])
  if test x"$have_asm_mmx" = x"yes" ; then
    AC_DEFINE([HAVE_ASM_MMX], 1,
      [Define if your compiler understands MMX assembly instructions])
  fi
  AC_MSG_RESULT($have_asm_mmx)
  if test x"$have_asm_mmx" = x"no" -a x"$explicit_mmx" = x"yes" ; then
    AC_MSG_WARN(*** Ignoring --enable-mmx due to no compiler support ***)
  fi
fi
AM_CONDITIONAL(HAVE_ASM_MMX, test x"$have_asm_mmx" = x"yes")
if test x"$have_asm_mmx" = x"no" ; then
  AC_MSG_WARN(*** All MMX dependent parts will be disabled ***)
fi

dnl 3DNow support
dnl
explicit_3dnow=no
AC_ARG_ENABLE(3dnow,
  AC_HELP_STRING([--enable-3dnow],
    [enable 3DNow code portions (yes)]),
  [case "${enableval}" in
    yes) if test x"$have_asm_mmx" = x"no"; then
             AC_MSG_ERROR(--enable-3dnow requires --enable-mmx)
         else
             use_3dnow=yes
         fi ;;
    no)  use_3dnow=no ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-3dnow) ;;
  esac
  explicit_3dnow=yes],
  [if test x"$have_asm_mmx" = x"yes" -a \( x"$have_x86cpu" = x"true" -o x"$have_x86_64cpu" = x"true" \) ; then
    use_3dnow=yes
  else
    use_3dnow=no
  fi])
have_asm_3dnow="no"
if test x"$use_3dnow" = x"yes" ; then
  AC_MSG_CHECKING([if \$CC groks 3DNow inline assembly])
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [void *p;asm volatile("pfmul %%mm3,%%mm4"::"r"(p));])],
    [have_asm_3dnow="yes"])
  if test x"$have_asm_3dnow" = x"yes" ; then
    AC_DEFINE([HAVE_ASM_3DNOW], 1,
      [Define if your compiler understands 3DNow assembly instructions])
  fi
  AC_MSG_RESULT($have_asm_3dnow)
  if test x"$have_asm_3dnow" = x"no" -a x"$explicit_3dnow" = x"yes" ; then
    AC_MSG_WARN(*** Ignoring --enable-3dnow due to no compiler support ***)
  fi
fi
AM_CONDITIONAL(HAVE_ASM_3DNOW, test x"$have_asm_3dnow" = x"yes")
if test x"$have_asm_3dnow" = x"no" ; then
  AC_MSG_WARN(*** All 3DNow dependent parts will be disabled ***)
fi


dnl SSE support
dnl
explicit_sse=no
AC_ARG_ENABLE(sse,
  AC_HELP_STRING([--enable-sse],
    [enable SSE code portions (yes)]),
  [case "${enableval}" in
    yes) if test x"$have_asm_mmx" = x"no"; then
             AC_MSG_ERROR(--enable-sse requires --enable-mmx)
         else
             use_sse=yes
         fi ;;
    no)  use_sse=no ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-sse) ;;
  esac
  explicit_sse=yes],
  [if test x"$have_asm_mmx" = x"yes" -a \( x"$have_x86cpu" = x"true" -o x"$have_x86_64cpu" = x"true" \) ; then
    use_sse=yes
  else
    use_sse=no
  fi])
have_asm_sse="no"
if test x"$use_sse" = x"yes" ; then
  AC_MSG_CHECKING([if \$CC groks SSE inline assembly])
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [void *p; asm volatile("movntps  %%xmm0, 0"::"r"(p));])],
    [have_asm_sse=yes])
  if test x"$have_asm_sse" = x"yes" ; then
    AC_DEFINE([HAVE_ASM_SSE], 1,
      [Define if your compiler understands SSE assembly instructions])
  fi
  AC_MSG_RESULT($have_asm_sse)
  if test x"$have_asm_sse" = x"no" -a x"$explicit_sse" = x"yes" ; then
    AC_MSG_WARN(*** Ignoring --enable-sse due to no compiler support ***)
  fi
fi
AM_CONDITIONAL(HAVE_ASM_SSE, test x"$have_asm_sse" = x"yes")
if test x"$have_asm_sse" = x"no" ; then
  AC_MSG_WARN(*** All SSE dependent parts will be disabled ***)
fi


dnl SSE2 support
dnl
explicit_sse2=no
AC_ARG_ENABLE(sse2,
  AC_HELP_STRING([--enable-sse2],
    [enable SSE2 code portions (yes)]),
  [case "${enableval}" in
    yes) if test x"$have_asm_sse" = x"no"; then
             AC_MSG_ERROR(--enable-sse2 requires --enable-sse)
         else
             use_sse2=yes
         fi ;;
    no)  use_sse2=no ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-sse2) ;;
  esac
  explicit_sse2=yes],
  [if test x"$have_asm_sse" = x"yes" -a \( x"$have_x86cpu" = x"true" -o x"$have_x86_64cpu" = x"true" \) ; then
    use_sse2=yes
  else
    use_sse2=no
  fi])
have_asm_sse2="no"
if test x"$use_sse2" = x"yes" ; then
  AC_MSG_CHECKING([if \$CC can handle SSE2 inline asm])
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [void *p; asm volatile("movdqa  %%xmm2, %%xmm3"::"r"(p));])],
    [have_asm_sse2=yes])
  if test x"$have_asm_sse2" = x"yes" ; then
    AC_DEFINE([HAVE_ASM_SSE2], 1,
      [Define if your compiler understands SSE2 assembly instructions])
  fi
  AC_MSG_RESULT($have_asm_sse2)
  if test x"$have_asm_sse2" = x"no" -a x"$explicit_sse2" = x"yes" ; then
    AC_MSG_WARN(*** Ignoring --enable-sse2 due to no compiler support ***)
  fi
fi
AM_CONDITIONAL(HAVE_ASM_SSE2, test x"$have_asm_sse2" = x"yes")
if test x"$have_asm_sse2" = x"no" ; then
  AC_MSG_RESULT(*** All SSE2 dependent parts will be disabled ***)
fi



dnl ppc architectures


dnl
dnl Altivec support
dnl
AC_ARG_ENABLE(altivec,
  AC_HELP_STRING([--enable-altivec],
    [enable Altivec code portions (yes)]),
  [case "${enableval}" in
    yes) use_altivec=yes ;;
    no)  use_altivec=no ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-altivec) ;;
  esac],
  [if test x"$have_ppccpu" = x"true" ; then
    use_altivec=yes
  else
    use_altivec=no
  fi])
dnl if test x"$use_altivec" = x"no" ; then
dnl	AC_MSG_WARN(*** All Altivec dependent parts will be disabled ***)
dnl fi


AC_MSG_CHECKING([if \$CC groks AltiVec inline assembly])
have_asm_altivec=no
if test x"$use_altivec" = x"yes" ; then
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([], [asm volatile("vperm 0,1,2,3");])],
    [have_asm_altivec=yes],
    [save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -Wa,-m7400"
      AC_COMPILE_IFELSE([AC_LANG_SOURCE([], [asm volatile("vperm 0,1,2,3");])],
        [have_asm_altivec=yes])
      CFLAGS="$save_CFLAGS"])
fi
AC_MSG_RESULT($have_asm_altivec)
if test x"$have_asm_altivec" = x"yes" ; then
  AC_DEFINE([HAVE_ASM_ALTIVEC], 1,
    [Define if your compiler understands AltiVec inline assembly])
fi

AC_MSG_CHECKING([if \$CC groks AltiVec C extensions])
have_c_altivec=no
if test x"$use_altivec" = x"yes" ; then
  # Darwin test
  save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -faltivec"
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [vec_mtvscr((vector unsigned int)(0));])],
    [have_c_altivec=yes
      ALTIVEC_CFLAGS="-faltivec"],
    [# Linux/PPC test
      CFLAGS="${save_CFLAGS} -fvec"
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [vec_mtvscr((vector unsigned int)(0));])],
        [have_c_altivec=yes
          ALTIVEC_CFLAGS="-fvec"])
    ])
  CFLAGS="$save_CFLAGS"
fi
AC_MSG_RESULT($have_c_altivec)
AM_CONDITIONAL(CAN_COMPILE_C_ALTIVEC, test x"$have_c_altivec" = x"yes")
if test x"$have_c_altivec" = x"yes" ; then
  AC_DEFINE([CAN_COMPILE_C_ALTIVEC], 1,
    [Define if your compiler groks C AltiVec extensions.])
  AC_SUBST(ALTIVEC_CFLAGS)
fi

AC_MSG_CHECKING([if linker needs -framework vecLib])
if test x"$use_altivec" = x"yes" ; then
  save_LDFLAGS="$LDFLAGS"
  LDFLAGS="$LDFLAGS -framework vecLib"
  ld_altivec=no
  AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ld_altivec=yes])
  LDFLAGS="$save_LDFLAGS"
fi
AC_MSG_RESULT($ld_altivec)
if test x"$ld_altivec" = x"yes" ; then
  LDFLAGS="$LDFLAGS -framework vecLib"
fi


dnl ---------------------------------------------------------------------
dnl
dnl pkgconfig
dnl
PKG_PROG_PKG_CONFIG([0.20])
if test -z "$PKG_CONFIG" ; then
  AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
fi


dnl ---------------------------------------------------------------------
dnl X11 checks

AC_PATH_XTRA
if test x"${no_x}" = x"yes" ; then
  AC_MSG_WARN(can not find X11)
  USE_X11=no
else
  AC_DEFINE([HAVE_X11], 1, [Have X11 support])
  USE_X11=yes
fi

AC_SUBST(X_CFLAGS)
AC_SUBST(X_PRE_LIBS)
AC_SUBST(X_EXTRA_LIBS)
AC_SUBST(X_LIBS)
AC_SUBST(x_includes)
AC_SUBST(x_libraries)

dnl fi

AM_CONDITIONAL(HAVE_X11, test x"${USE_X11}" = x"yes")

if test x"${USE_X11}" = x"yes" ; then
  AC_CHECK_LIB(Xv, XvQueryExtension,
    [have_xv=yes
      AC_DEFINE([HAVE_LIBXV], 1,
        [Have libxv support])],
    [have_xv=no],
    [$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS])

  AC_CHECK_LIB(X11, XShmQueryExtension,
    [have_xshm=yes
      AC_DEFINE([HAVE_X11_SHM], 1,
        [Have Xshm support])],
    [have_xshm=no],
    [$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS])

  AC_CHECK_HEADERS([X11/Xaw/Simple.h],
    [have_xaw_simple=yes
      AC_DEFINE([HAVE_XAW_SIMPLE], 1,
        [Have the Xaw Simple.h file support])],
    [have_xaw_simple=no])

  AC_CHECK_LIB(Xpm, XpmFreeAttributes,
    [have_xpm=yes
      AC_DEFINE([HAVE_LIBXPM], 1,
        [Have libXpm support])],
    [have_xpm=no],
    [$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS])
else
  have_xv="no"
  have_xshm="no"
  have_xaw_simple="no"
  have_xpm="no"
fi

AM_CONDITIONAL(HAVE_LIBXV, test x"$have_xv" = x"yes")
AM_CONDITIONAL(HAVE_X11_SHM, test x"$have_xshm" = x"yes")
AM_CONDITIONAL(HAVE_XAW_SIMPLE, test x"$have_xaw_simple" = x"yes" )
AM_CONDITIONAL(HAVE_LIBXPM, test x"$have_xpm" = x"yes")

dnl end X11 checks
dnl ---------------------------------------------------------------------

AC_CHECK_LIB(z, gzopen,
  [],
  [AC_MSG_ERROR([transcode depends on libz, but cannot links against libz])],
  [])

AC_CHECK_LIB(m, sin,
  [],
  [AC_MSG_ERROR([transcode depends on libm (>= 2.0), but cannot link against libm])],
  [-lc])

TC_PKG_INIT

AC_MSG_CHECKING([for ffmpeg support])
AC_ARG_ENABLE(ffmpeg,
  AC_HELP_STRING([--enable-ffmpeg],
    [enable support for FFmpeg libraries - RECOMMENDED (yes)]),
  [case "${enableval}" in
    yes) ;;
    no)  ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-ffmpeg) ;;
  esac],
  [enable_ffmpeg=yes])
if test x"$enable_ffmpeg" = x"no" ; then
  AC_MSG_RESULT(disabled)
else
  AC_MSG_RESULT(requested, checking for libraries)

  dnl
  dnl libavcodec
  dnl
  LIBAVCODEC_EXTRA_LIBS="$LIBAVCODEC_EXTRA_LIBS $($PKG_CONFIG --libs libavcodec)"
  TC_PKG_CHECK(libavcodec, optional, LIBAVCODEC, no, [libavcodec/avcodec.h],
   avcodec, avcodec_thread_init, libavcodec, [http://www.ffmpeg.org/])
  if test x"$have_libavcodec" = x"yes" ; then
    save_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $LIBAVCODEC_CFLAGS"
    AC_RUN_IFELSE([AC_LANG_SOURCE([[
  #include <stdio.h>
  #include <libavcodec/avcodec.h>
  int
  main()
  {
    /* 3344640 == ((51<<16)+(9<<8)+0) == 51.9.0 */
    if (LIBAVCODEC_BUILD < 3344640) {
      printf("error: transcode needs at least libavcodec 51.9");
      printf("install a cvs version after 20060814");
      return(1);
    }
  
    printf("VER=%s\n", AV_STRINGIFY(LIBAVCODEC_VERSION));
    printf("BUILD=%d\n", LIBAVCODEC_BUILD);
    return(0);
  }
  ]])],
      [LIBAVCODEC_VERSION="`./conftest$ac_exeext | sed -ne 's,VER=\(.*\),\1,p'`"
        LIBAVCODEC_BUILD="`./conftest$ac_exeext | sed -ne 's,BUILD=\(.*\),\1,p'`"],
      [AC_MSG_RESULT([failed])
       TC_PKG_ERROR(libavcodec, avcodec.h, optional, FFmpeg, [http://www.ffmpeg.org],
        [cannot compile avcodec.h])],
      [AC_MSG_RESULT([cross compiling; assumed OK...])
        LIBAVCODEC_VERSION=""
        LIBAVCODEC_BUILD=""])
    CPPFLAGS="$save_CPPFLAGS"
  fi
  AC_SUBST(LIBAVCODEC_VERSION)
  AC_SUBST(LIBAVCODEC_BUILD)
  AC_SUBST(LIBAVCODEC_CFLAGS)
  AC_SUBST(LIBAVCODEC_LIBS)
  
  dnl
  dnl libavformat
  dnl
  LIBAVFORMAT_EXTRA_LIBS="$LIBAVFORMAT_EXTRA_LIBS $($PKG_CONFIG --libs libavformat)"
  TC_PKG_CHECK(libavformat, optional, LIBAVFORMAT, no, [libavformat/avformat.h],
   avformat, av_register_all, libavformat, [http://www.ffmpeg.org/])
  if test x"$have_libavformat" = x"yes" ; then
    save_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $LIBAVFORMAT_CFLAGS"
    AC_RUN_IFELSE([AC_LANG_SOURCE([[
  #include <stdio.h>
  #include <libavformat/avformat.h>
  #include <libavcodec/avcodec.h>
  int
  main()
  {
    /* 3278080 == ((50<<16)+(5<<8)+0) == 50.5.0 */
    if (LIBAVFORMAT_BUILD < 3278080) {
      printf("error: transcode needs at least libavformat 50.5");
      printf("install a cvs version after 20060814");
      return(1);
    }
  
    printf("VER=%s\n", AV_STRINGIFY(LIBAVFORMAT_VERSION));
    printf("BUILD=%d\n", LIBAVFORMAT_BUILD);
    return(0);
  }
  ]])],
      [LIBAVFORMAT_VERSION="`./conftest$ac_exeext | sed -ne 's,VER=\(.*\),\1,p'`"
        LIBAVFORMAT_BUILD="`./conftest$ac_exeext | sed -ne 's,BUILD=\(.*\),\1,p'`"],
      [AC_MSG_RESULT([failed])
       TC_PKG_ERROR(libavformat, avformat.h, optional, FFmpeg, [http://www.ffmpeg.org],
        [cannot compile avformat.h])],
      [AC_MSG_RESULT([cross compiling; assumed OK...])
        LIBAVCODEC_VERSION=""
        LIBAVCODEC_BUILD=""])
    CPPFLAGS="$save_CPPFLAGS"
  fi
  dnl FIXME: the ffmpeg developers are being INCREDIBLY STUPID. argh.
  LIBAVFORMAT_CFLAGS="$LIBAVFORMAT_CFLAGS -Dattribute_deprecated="
  AC_SUBST(LIBAVFORMAT_VERSION)
  AC_SUBST(LIBAVFORMAT_BUILD)
  AC_SUBST(LIBAVFORMAT_CFLAGS)
  AC_SUBST(LIBAVFORMAT_LIBS)

  AC_DEFINE([HAVE_FFMPEG], 1, [Have FFmpeg libraries support])

fi
AM_CONDITIONAL(HAVE_FFMPEG, test x"$enable_ffmpeg" = x"yes")


dnl
dnl setup layout define once
dnl

dnl
dnl libv4l toolkit
dnl
TC_PKG_CONFIG_CHECK(libv4l2, no, LIBV4L2, libv4l2,
                    [http://hansdegoede.livejournal.com/3636.html])
TC_PKG_CONFIG_CHECK(libv4lconvert, no, LIBV4LCONVERT,
                    libv4lconvert,
                    [http://hansdegoede.livejournal.com/3636.html])
TC_PKG_HAVE(libv4l2, LIBV4L2)
TC_PKG_HAVE(libv4lconvert, LIBV4LCONVERT)

dnl
dnl libmpeg2
dnl
TC_PKG_CONFIG_CHECK(libmpeg2, no, LIBMPEG2, libmpeg2,
                    [http://libmpeg2.sf.net/])
TC_PKG_CONFIG_CHECK(libmpeg2convert, no, LIBMPEG2CONVERT,
                    libmpeg2convert, [http://libmpeg2.sf.net/])
TC_PKG_HAVE(libmpeg2, LIBMPEG2)
TC_PKG_HAVE(libmpeg2convert, LIBMPEG2CONVERT)

dnl
dnl build options
dnl

dnl
dnl support for version embedded into installed files name
dnl
AC_MSG_CHECKING([enable version in installed files])
AC_ARG_ENABLE(versioned,
  AC_HELP_STRING([--enable-versioned],
    [enable the embedding of the package version into the installed files (yes)]),
  [case "${enableval}" in
    yes) ;;
    no)  ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-versioned) ;;
  esac],
  [enable_versioned=yes])
AC_MSG_RESULT($enable_versioned)
if test x"$enable_versioned" = x"yes" ; then
  dnl TC_MAJORMINOR=1.2
  TC_VERSUFFIX=-1.2
  AC_SUBST(TC_VERSUFFIX)
  AC_DEFINE_UNQUOTED(TC_VERSUFFIX, "$TC_VERSUFFIX",
                     [package suffix for versioned installation])
  report_versioned="($TC_VERSUFFIX)"
else
  enable_versioned="no"
fi
AM_CONDITIONAL(ENABLE_VERSIONED, test x"$enable_versioned" = x"yes")


dnl
dnl support for new/experimental features
dnl FIXME: default to NO when we eventually go alpha
dnl
AC_MSG_CHECKING([enable new or experimental components])
AC_ARG_ENABLE(experimental,
  AC_HELP_STRING([--enable-experimental],
    [enable new, experimental or even incomplete transcode components (yes)]),
  [case "${enableval}" in
    yes) ;;
    no)  ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-experimental) ;;
  esac],
  [enable_experimental=yes])
AC_MSG_RESULT($enable_experimental)
if test x"$enable_experimental" = x"yes" ; then
  AC_DEFINE([ENABLE_EXPERIMENTAL], 1, [Enable experimental components])
fi
AM_CONDITIONAL(ENABLE_EXPERIMENTAL, test x"$enable_experimental" = x"yes")

dnl
dnl support for deprecated features (1.1.0: tcrequant)
dnl
AC_MSG_CHECKING([enable deprecated components])
AC_ARG_ENABLE(deprecated,
  AC_HELP_STRING([--enable-deprecated],
    [enable deprecated or even broken transcode components (no)]),
  [case "${enableval}" in
    yes) ;;
    no)  ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-deprecated) ;;
  esac],
  [enable_deprecated=no])
AC_MSG_RESULT($enable_deprecated)
if test x"$enable_deprecated" = x"yes" ; then
  AC_DEFINE([ENABLE_DEPRECATED], 1, [Enable deprecated components])
fi
AM_CONDITIONAL(ENABLE_DEPRECATED, test x"$enable_deprecated" = x"yes")

dnl
dnl static import frame buffer
dnl
AC_MSG_CHECKING([for internal static framebuffer support])
AC_ARG_ENABLE(statbuffer,
  AC_HELP_STRING([--enable-statbuffer],
    [enable internal static framebuffer support; recommended (yes)]),
  [case "${enableval}" in
    yes) ;;
    no)  ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-statbuffer) ;;
  esac],
  [enable_statbuffer=yes])
AC_MSG_RESULT($enable_statbuffer)
if test x"$enable_statbuffer" = x"yes" ; then
  AC_DEFINE([STATBUFFER], 1, [Use the static buffers])
fi


dnl
dnl hardware/OS dependent modules
dnl

dnl
dnl v4l
dnl
TC_CHECK_V4L(AC_DEFINE([HAVE_V4L], 1, [Have video4linux(2)]))
AM_CONDITIONAL(HAVE_V4L, test x"$have_v4l" = x"yes")

dnl
dnl bktr
dnl
TC_CHECK_BKTR(AC_DEFINE([HAVE_BKTR], 1, [Have bktr(4)]))
AM_CONDITIONAL(HAVE_BKTR, test x"$have_bktr" = x"yes")

dnl
dnl sunau
dnl
TC_CHECK_SUNAU(AC_DEFINE([HAVE_SUNAU], 1, [Have Sun style audio(4)]))
AM_CONDITIONAL(HAVE_SUNAU, test x"$have_sunau" = x"yes")

dnl
dnl OSS
dnl
TC_CHECK_OSS(AC_DEFINE([HAVE_OSS], 1, [Have OSS audio]))
AM_CONDITIONAL(HAVE_OSS, test x"$have_oss" = x"yes")

dnl
dnl ALSA
dnl
TC_CHECK_ALSA(AC_DEFINE([HAVE_ALSA], 1, [Have ALSA audio]))
AM_CONDITIONAL(HAVE_ALSA, test x"$have_alsa" = x"yes")

dnl
dnl optional 3rd party package support
dnl

dnl
dnl Divx4linux
dnl
AC_CHECK_HEADERS([encore2.h])

dnl
dnl libpostproc
dnl
TC_PKG_CONFIG_CHECK(libpostproc, no, LIBPOSTPROC, libpostproc, [http://ffmpeg.mplayerhq.hu/])
TC_PKG_HAVE(libpostproc, LIBPOSTPROC)

dnl
dnl freetype2
dnl
TC_PKG_CONFIG_CHECK(freetype2, no, FREETYPE2, freetype2, [http://www.freetype.org/])
TC_PKG_HAVE(freetype2, FREETYPE2)

dnl
dnl lame
dnl
TC_PKG_CHECK(lame, yes, LAME, no, none, mp3lame, lame_init, lame,
 [http://www.mp3dev.org/])
if test x"$have_lame" = x"yes" ; then
  lame_inc="no"
  save_CPPFLAGS="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $lame_ii"
  AC_CHECK_HEADER([lame/lame.h],
    [AC_DEFINE([HAVE_LAME_INC], [1],
      [Have Lame includes in separate path]) lame_inc=yes])
  if test x"$lame_inc" = x"no" ; then
    AC_CHECK_HEADER([lame.h], lame_inc="yes")
  fi
  if test x"$lame_inc" = x"no" ; then
    have_lame="no"
    TC_PKG_ERROR(lame, lame.h, yes, lame, [http://www.mp3dev.org/],
      [cannot compile lame.h])
  else
    LAME_CFLAGS="$lame_ii"
  fi
  CPPFLAGS="$save_CPPFLAGS"

  AC_MSG_CHECKING([lame version])
  ac_save_CFLAGS="$CFLAGS"
  ac_save_LIBS="$LIBS"
  CFLAGS="$CFLAGS $LAME_CFLAGS"
  LIBS="$LIBS $LAME_LIBS"
  AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>

#ifdef HAVE_LAME_INC
#include <lame/lame.h>
#else
#include <lame.h>
#endif

int main () {
  lame_version_t lv;
  get_lame_version_numerical(&lv);
  if(lv.alpha || lv.beta) lv.minor--;
  printf("%d%d\n", lv.major, lv.minor);
  return 0;
}
]])],
    [lame_version="`./conftest$ac_exeext`"],
    [AC_MSG_RESULT([failed])
     TC_PKG_ERROR(lame, lame.h, yes, lame, [http://www.mp3dev.org/],
      [cannot compile and run a test program])],,
    [AC_MSG_RESULT([cross compiling; assumed OK...])])
  CFLAGS="$ac_save_CFLAGS"
  LIBS="$ac_save_LIBS"

  if test 393 -ge "$lame_version" ; then
    have_lame="no"
    TC_PKG_ERROR(lame, lame.h, yes, lame, [http://www.mp3dev.org/],
      [lame version < 3.93])
  fi
fi
TC_PKG_HAVE(lame, LAME)

dnl
dnl xvid
dnl
TC_PKG_CHECK(xvid, no, xvid, no, xvid.h, xvidcore, xvid_global, xvid,
 [http://www.xvid.org/])
if test x"$have_xvid" = x"yes" ; then
  AC_MSG_CHECKING([xvid version >= 1.0])
  AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <xvid.h>

int main() {
	printf("%s\n", (XVID_API >= XVID_MAKE_API(4, 0)) ?"yes" :"no");
	return 0;
}
]])],
    [xvid_version_ok="`./conftest$ac_exeext`"],
    [AC_MSG_RESULT([failed])
     TC_PKG_ERROR(xvid, xvid.h, yes, xvid, [http://www.xvid.org/],
      [cannot compile and run a test program])],,
    [AC_MSG_RESULT([cross compiling; assumed OK...])])
  if test x"$xvid_version_ok" = x"yes"; then
    XVID_LIBS="-lxvidcore"
  else
    have_xvid="no"
    TC_PKG_ERROR(xvid, xvid.h, yes, xvid, [http://www.xvid.org/],
      [XviD version < 1.0])
  fi
fi
TC_PKG_HAVE(xvid, XVID)

dnl
dnl x264
dnl
TC_PKG_CONFIG_CHECK(x264, no, X264, x264, [http://developers.videolan.org/x264.html])
if test x"$have_x264" = x"yes" ; then
  AC_MSG_CHECKING([x264 version])
  AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdint.h>  /* required by x264.h */
#include <x264.h>

int main() {
	printf("%d\n", X264_BUILD);
	return 0;
}
]])],
    [x264_version="`./conftest$ac_exeext`"],
    [AC_MSG_RESULT([failed])
     TC_PKG_ERROR(x264, x264.h, yes, x264,
                  [http://developers.videolan.org/x264.html],
                  [cannot compile and run a test program])],
    [AC_MSG_RESULT([cross compiling; assumed OK...])
     x264_version=89])
  if test 89 -gt "$x264_version"; then
    have_x264="no"
    TC_PKG_ERROR(x264, x264.h, yes, x264,
                 [http://developers.videolan.org/x264.html],
                 [x264 version too old (must be at least 89)])
  fi
fi
TC_PKG_HAVE(x264, X264)

dnl
dnl ogg
dnl
TC_PKG_CONFIG_CHECK(ogg, no, OGG, ogg, [http://www.xiph.org/ogg/])
TC_PKG_HAVE(ogg, OGG)

dnl
dnl vorbis
dnl
TC_PKG_CONFIG_CHECK(vorbis, no, VORBIS, vorbis, [http://www.xiph.org/ogg/vorbis/])
TC_PKG_HAVE(vorbis, VORBIS)

dnl
dnl vorbisenc
dnl 
dnl
dnl VORBISENC_EXTRA_LIBS="$VORBISENC_EXTRA_LIBS $($PKG_CONFIG --libs vorbisenc)"
dnl TC_PKG_CHECK(vorbisenc, no, VORBISENC, no, [vorbis/vorbisenc.h], vorbisenc,
dnl  vorbis_encode_setup_init, vorbisenc, [http://www.xiph.org/ogg/vorbis/])
TC_PKG_CONFIG_CHECK(vorbisenc, no, VORBISENC, vorbisenc, [http://www.xiph.org/ogg/vorbis/])
TC_PKG_HAVE(vorbisenc, VORBISENC)

dnl
dnl theora
dnl
TC_PKG_CONFIG_CHECK(theora, no, THEORA, theora, [http://www.theora.org/])
TC_PKG_HAVE(theora, THEORA)

dnl
dnl shout
dnl
TC_PKG_CONFIG_CHECK(shout, no, SHOUT, shout, [http://www.icecast.org/])
TC_PKG_HAVE(shout, SHOUT)

dnl
dnl libdvdread
dnl
LIBDVDREAD_EXTRA_LIBS="$LIBDVDREAD_EXTRA_LIBS -lm"
TC_PKG_CHECK(libdvdread, yes, LIBDVDREAD, no, none, dvdread, DVDOpen,
 libdvdread, [http://www.dtek.chalmers.se/groups/dvd/downloads.shtml])
if test x"$have_libdvdread" = x"yes" ; then
  libdvdread_inc="no"
  save_CPPFLAGS="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $libdvdread_ii"
  AC_CHECK_HEADER([dvdread/dvd_reader.h],
    [AC_DEFINE([HAVE_LIBDVDREAD_INC], [1],
      [have libdvdread includes in separate path])
    libdvdread_inc="yes"])
  if test x"$libdvdread_inc" = x"no" ; then
    AC_CHECK_HEADER([dvd_reader.h],
      [libdvdread_inc="yes"])
  fi
  CPPFLAGS="$save_CPPFLAGS"
  if test x"$libdvdread_inc" = x"no" ; then
    have_libdvdread="no"
    TC_PKG_ERROR(libdvdread, dvd_reader.h, yes, libdvdread,
      [http://www.dtek.chalmers.se/groups/dvd/downloads.shtml],
      [cannot compile dvd_reader.h])
  else
    LIBDVDREAD_CFLAGS="$libdvdread_ii"
  fi
fi
TC_PKG_HAVE(libdvdread, LIBDVDREAD)

dnl
dnl libdv
dnl
TC_PKG_CONFIG_CHECK(libdv, no, LIBDV, libdv, [http://libdv.sourceforge.net/])
TC_PKG_HAVE(libdv, LIBDV)

dnl
dnl libquicktime
dnl
TC_PKG_CONFIG_CHECK(libquicktime, no, LIBQUICKTIME, libquicktime,
 [http://libquicktime.sourceforge.net/])
if test x"$have_libquicktime" = x"yes" ; then
  AC_CHECK_LIB(quicktime, lqt_encode_video,
    [AC_DEFINE([LIBQUICKTIME_000904], [1], [Have libquicktime 1.0.0 or newer])],
    [],
    [$LIBQUICKTIME_LIBS $LIBQUICKTIME_EXTRA_LIBS])
fi
TC_PKG_HAVE(libquicktime, LIBQUICKTIME)

dnl
dnl LZO
dnl
TC_PKG_CHECK(lzo, no, LZO, no, [lzo/lzo1x.h], lzo2, lzo_version, lzo,
 [http://www.oberhumer.com/opensource/lzo/])
TC_PKG_HAVE(lzo, LZO)

dnl
dnl A52
dnl
A52_EXTRA_LIBS="$A52_EXTRA_LIBS -lm"
TC_PKG_CHECK(a52, no, A52, no, [a52dec/a52.h], a52, a52_init, liba52,
 [http://liba52.sourceforge.net/])
TC_PKG_HAVE(a52, A52)
if test x"$have_a52" = x"yes" ; then
  enable_a52_default_decoder="yes"
else
  enable_a52_default_decoder="no"
fi

dnl
dnl FAAC
dnl
TC_PKG_CHECK(faac, no, FAAC, no, [faac.h], faac, faacEncGetVersion, no,
  [http://www.audiocoding.com/])
TC_PKG_HAVE(faac, FAAC)

dnl
dnl libxml2
dnl
TC_PKG_CONFIG_CHECK(libxml2, no, LIBXML2, libxml-2.0, [http://xmlsoft.org])
TC_PKG_HAVE(libxml2, LIBXML2)

dnl
dnl ibp, lors and libxio -- must be after libxml2
dnl
TC_PATH_IBP(AC_DEFINE([HAVE_IBP], 1, [ibp and lors support]))
AM_CONDITIONAL(HAVE_IBP, test x"$have_ibp" = x"yes")

XIO_CFLAGS="-I\$(top_srcdir)/libtc"
if test x"$have_ibp" = x"yes" ; then
  XIO_LIBS="\$(top_builddir)/libtc/libtc.la $IBP_LIBS $LIBXML2_LIBS"
else
  XIO_LIBS=""
fi
AC_SUBST(XIO_CFLAGS)
AC_SUBST(XIO_LIBS)

dnl
dnl mjpegtools (actually only YUV4MPEG)
dnl
TC_PKG_CONFIG_CHECK(mjpegtools, no, MJPEGTOOLS, mjpegtools,
 [http://mjpeg.sourceforge.net/])
if test x"$have_mjpegtools" = x"yes" ; then
  # check if mjpegtools version >= Mar 31 2004
  save_CFLAGS="$CFLAGS"
  save_LIBS="$LIBS"
  CFLAGS="$CFLAGS $MJPEGTOOLS_CFLAGS"
  LIBS="$LIBS $MJPEGTOOLS_LIBS"
  AC_LINK_IFELSE([AC_LANG_PROGRAM([
#if defined(HAVE_MJPEGTOOLS_INC)
#include "yuv4mpeg.h"
#include "mpegconsts.h"
#else
#include "mjpegtools/yuv4mpeg.h"
#include "mjpegtools/mpegconsts.h"
#endif
],
    [y4m_write_frame_header(1, NULL, NULL)])],
    [AC_DEFINE([USE_NEW_MJPEGTOOLS_CODE], [1],
      [using mjpegtools post Mar 31 2004])])
  CFLAGS="$save_CFLAGS"
  LIBS="$save_LIBS"
fi
TC_PKG_HAVE(mjpegtools, MJPEGTOOLS)

dnl
dnl SDL
dnl
TC_PKG_CONFIG_CHECK(sdl, no, SDL, sdl, [http://www.libsdl.org/])
if test x"$have_sdl" = x"yes" ; then
  sdl_major_version=1
  sdl_minor_version=2
  sdl_micro_version=5
  save_CPPFLAGS="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $SDL_CFLAGS"
  AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "SDL.h"
int main (int argc, char *argv[])
{
   if ( (SDL_MAJOR_VERSION > $sdl_major_version) ||
        ((SDL_MAJOR_VERSION == $sdl_major_version) &&
		(SDL_MINOR_VERSION > $sdl_minor_version)) ||
        ((SDL_MAJOR_VERSION == $sdl_major_version) &&
		(SDL_MINOR_VERSION == $sdl_minor_version) &&
		(SDL_PATCHLEVEL >= $sdl_micro_version)) )
    {
      return 0;
    }
  else
    {
      fprintf(stderr, "SDL version %d.%d.%d is too old!\n",
			SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL);
      return 1;
    }
}
]])],
  [have_sdl="yes"],
  [have_sdl="no"],
  [AC_MSG_RESULT([cross compiling; assumed OK...])
   have_sdl="yes"])
  CPPFLAGS="$save_CPPFLAGS"
fi
TC_PKG_HAVE(sdl, SDL)

dnl
dnl GraphicsMagick
dnl
TC_PKG_CONFIG_CHECK(graphicsmagick, no, GRAPHICSMAGICK, GraphicsMagickWand, [http://www.graphicsmagick.org/])
TC_PKG_HAVE(graphicsmagick, GRAPHICSMAGICK)

dnl
dnl libjpegmmx or libjpeg
dnl
TC_PKG_CHECK(libjpegmmx, no, LIBJPEGMMX, no, jpeglib.h, jpeg-mmx,
  jpeg_CreateCompress, jpeg-mmx, [http://sourceforge.net/projects/mjpeg/])
if test x"$have_libjpegmmx" = x"no" ; then
  TC_PKG_CHECK(libjpeg, yes, LIBJPEG, no, jpeglib.h, jpeg,
    jpeg_CreateCompress, jpeg, [ftp://ftp.uu.net/graphics/jpeg/])
else
  have_libjpeg="yes"
  LIBJPEG_CFLAGS="$LIBJPEGMMX_CFLAGS"
  LIBJPEG_LIBS="$LIBJPEGMMX_LIBS"
fi
TC_PKG_HAVE(libjpeg, LIBJPEG)


dnl
dnl bsdav
dnl
TC_PKG_CHECK(bsdav, no, BSDAV, no, bsdav.h, bsdav,
  bsdav_read_stream_header, bsdav, [http://www.jakemsr.com/bsdav/])
TC_PKG_HAVE(bsdav, BSDAV)


dnl
dnl iconv
dnl
TC_PKG_CHECK(iconv, yes, ICONV, no, iconv.h, none, none, libiconv,
 [http://www.gnu.org/software/libiconv/])
if test x"$have_iconv" = x"yes" ; then
  save_LDFLAGS="$LDFLAGS"
  LDFLAGS="$LDFLAGS $iconv_ll"
  AC_CHECK_LIB(iconv, iconv_open,
    [],
    [have_iconv="no"],
    [$ICONV_EXTRA_LIBS])
  LDFLAGS="$save_LDFLAGS"
  if test x"$have_iconv" = x"no" ; then
    save_LDFLAGS="$LDFLAGS"
    LDFLAGS="$LDFLAGS $iconv_ll"
    AC_CHECK_LIB(iconv, libiconv_open,
      [have_iconv="yes"],
      [have_iconv="no"],
      [$ICONV_EXTRA_LIBS])
    LDFLAGS="$save_LDFLAGS"
  fi
  # see if iconv_open is in (g)libc
  have_libc_iconv="no"
  if test x"$have_iconv" = x"no" ; then
    save_LDFLAGS="$LDFLAGS"
    LDFLAGS="$LDFLAGS $iconv_ll"
    AC_CHECK_LIB(c, iconv_open,
      [have_iconv="yes" have_libc_iconv="yes"],
      [have_iconv="no"],
      [$ICONV_EXTRA_LIBS])
    LDFLAGS="$save_LDFLAGS"
  fi
  if test x"$have_iconv" = x"yes" ; then
    if test x"$have_libc_iconv" != x"yes" ; then
      ICONV_LIBS="$iconv_ll -liconv $ICONV_EXTRA_LIBS"
    fi
  else
    TC_PKG_ERROR(iconv, [iconv_open()], yes, libiconv,
      [http://www.gnu.org/software/libiconv/],
      [cannot find either iconv_open() or libiconv_open()])
  fi
fi
TC_PKG_HAVE(iconv, ICONV)

dnl
dnl libmkv
dnl
TC_PKG_CHECK(libmkv, no, LIBMKV, no, libmkv.h, mkv,
  mk_close, libmkv, [http://repo.or.cz/w/libmkv.git])
TC_PKG_HAVE(libmkv, LIBMKV)

dnl
dnl Other modules
dnl

dnl
dnl import_pv3
dnl
AC_MSG_CHECKING([for PV3 support])
if test "true" = "$have_x86cpu" -a "yes" = "$is_linux" -a "yes" = "$ac_cv_func_mmap"; then
    enable_pv3=yes
else
    enable_pv3=no
fi
AC_MSG_RESULT($enable_pv3)
AM_CONDITIONAL(ENABLE_PV3, test "yes" = "$enable_pv3")

dnl
dnl import_nuv
dnl
AC_MSG_CHECKING([for NuppelVideo support])
AC_ARG_ENABLE(nuv,
  AC_HELP_STRING([--enable-nuv],
    [enable NuppelVideo support (no)]),
  [case "${enableval}" in
    yes) if test yes != "$have_lzo"; then
           AC_MSG_ERROR([liblzo2 is required for NuppelVideo support, try --enable-lzo])
         fi
    	 if test true == "$have_x86_64cpu"; then
           AC_MSG_WARN([NuppelVideo support on x86_64 platform is ***EXPERIMENTAL***])
         elif test true != "$have_x86cpu"; then
           AC_MSG_ERROR([NuppelVideo is supported only on x86 and x86_64 platforms yet])
         fi
         ;;
    no)  ;;
    *) AC_MSG_ERROR(bad value ${enableval} for --enable-nuv) ;;
  esac],
  [enable_nuv=no])
AC_MSG_RESULT($enable_nuv)
AM_CONDITIONAL(ENABLE_NUV, test "yes" = "$enable_nuv")


dnl
dnl The following come with transcode
dnl

dnl
dnl libtc
dnl
LIBTC_LIBS="\$(top_builddir)/libtc/libtc.la"
AC_SUBST(LIBTC_LIBS)

dnl
dnl libtcmodule
dnl
LIBTCMODULE_LIBS="\$(top_builddir)/libtcmodule/libtcmodule.la"
AC_SUBST(LIBTCMODULE_LIBS)

dnl
dnl libtcutil
dnl
LIBTCUTIL_LIBS="\$(top_builddir)/libtcutil/libtcutil.la"
AC_SUBST(LIBTCUTIL_LIBS)

dnl
dnl libtcext
dnl
LIBTCEXT_LIBS="\$(top_builddir)/libtcext/libtcext.la"
AC_SUBST(LIBTCEXT_LIBS)

dnl
dnl libtcaudio
dnl
LIBTCAUDIO_LIBS="\$(top_builddir)/libtcaudio/libtcaudio.la"
AC_SUBST(LIBTCAUDIO_LIBS)

dnl
dnl libtcvideo
dnl
LIBTCVIDEO_LIBS="\$(top_builddir)/libtcvideo/libtcvideo.la"
AC_SUBST(LIBTCVIDEO_LIBS)

dnl
dnl libtcexport
dnl
LIBTCEXPORT_LIBS="\$(top_builddir)/libtcexport/libtcexport.la"
AC_SUBST(LIBTCEXPORT_LIBS)

dnl
dnl avilib
dnl
AVILIB_LIBS="\$(top_builddir)/avilib/libavi.la"
AC_SUBST(AVILIB_LIBS)

dnl
dnl wavlib
dnl
WAVLIB_LIBS="\$(top_builddir)/avilib/libwav.la"
AC_SUBST(WAVLIB_LIBS)

dnl
dnl mpeglib
dnl
MPEGLIB_LIBS="\$(top_builddir)/mpeglib/libmpeg.la"
AC_SUBST(MPEGLIB_LIBS)

dnl
dnl aclib
dnl
AC_ARG_ENABLE([x86-textrels],
    AC_HELP_STRING([--enable-x86-textrels], [enable x86-32 optimizations which use text relocations (yes)]),
    [if test "no" = "$enableval"; then
         AC_DEFINE([ACLIB_DISABLE_X86_TEXTRELS], [1], [Disable x86-32 optimizations in aclib that require text relocations])
     fi])
ACLIB_LIBS="\$(top_builddir)/aclib/libac.la"
AC_SUBST(ACLIB_LIBS)

dnl
dnl versioned executables
dnl
AC_DEFINE_UNQUOTED([TCCAT_EXE],      "tccat$TC_VERSUFFIX",      [tccat executable name])
AC_DEFINE_UNQUOTED([TCSCAN_EXE],     "tcscan$TC_VERSUFFIX",     [tcscan executable name])
AC_DEFINE_UNQUOTED([TCDEMUX_EXE],    "tcdemux$TC_VERSUFFIX",    [tcdemux executable name])
AC_DEFINE_UNQUOTED([TCPROBE_EXE],    "tcprobe$TC_VERSUFFIX",    [tcprobe executable name])
AC_DEFINE_UNQUOTED([TCDECODE_EXE],   "tcdecode$TC_VERSUFFIX",   [tcdecode executable name])
AC_DEFINE_UNQUOTED([TCEXTRACT_EXE],  "tcextract$TC_VERSUFFIX",  [tcextract executable name])
AC_DEFINE_UNQUOTED([TCXPM2RGB_EXE],  "tcxpm2rgb$TC_VERSUFFIX",  [tcxpm2rgb executable name])
AC_DEFINE_UNQUOTED([TCXMLCHECK_EXE], "tcxmlcheck$TC_VERSUFFIX", [tcxmlcheck executable name])

dnl
dnl warning flags; always add -Wall -Wstrict-prototypes -Wmissing-prototypes
dnl note that autoconf uses an unprototyped main(), so we disable prototype
dnl warnings when checking whether -Werror works
dnl
AC_ARG_ENABLE([warnings-as-errors],
    AC_HELP_STRING([--enable-warnings-as-errors], [treat warnings as errors]))
dnl GCC 4.2.x spits out bogus warnings when un-consting arguments in a
dnl function call (GCC bug 29478), so don't use -Werror there
if test x"$GCC" = x"yes" && test -n "`$CC -v 2>&1 | tail -1 | grep '4\.2\.'`"; then
    AC_MSG_WARN([GCC 4.2.x produces spurious warnings, -Werror disabled])
elif test x"$GCC" = x"yes" ; then
    OPT_CFLAGS="-Wall -Wstrict-prototypes -Wmissing-prototypes"
    TMP_CFLAGS=""
    TC_TRY_CFLAGS([$OPT_CFLAGS $CFLAGS],[TMP_CFLAGS="$OPT_CFLAGS "])
    dnl Don't assign this yet, as -Wall would counteract the -Wno-XXX options
    if test x"$enable_warnings_as_errors" = x"yes" ; then
        dnl compiler warnings treated as errors
        dnl we don't care about pointer sign warnings, and empty format
        dnl strings are occasionally useful, so disable those warnings
        OPT_CFLAGS="-Werror -Wno-pointer-sign -Wno-format-zero-length $CFLAGS"
        TC_TRY_CFLAGS([$OPT_CFLAGS -Wno-strict-prototypes -Wno-missing-prototypes],[CFLAGS=$OPT_CFLAGS])
    fi
    CFLAGS="$TMP_CFLAGS$CFLAGS"
fi
AC_SUBST(CFLAGS)

dnl import/export module path
dnl
MODULE_PATH="\${libdir}/transcode\${TC_VERSUFFIX}"
AC_ARG_WITH(module-path,
  AC_HELP_STRING([--with-module-path],
    [where transcode plugins are installed (${libdir}/transcode)]),
  MODULE_PATH=$withval)
AC_SUBST(MODULE_PATH)

dnl export profiles data path
dnl
PROFILE_PATH="\${datadir}/transcode\${TC_VERSUFFIX}/profiles"
AC_ARG_WITH(profile-path,
  AC_HELP_STRING([--with-profile-path],
    [where export profiles data are installed (${datadir}/transcode/profiles)]),
  PROFILE_PATH=$withval)
AC_SUBST(PROFILE_PATH)

dnl module registry data path
dnl
REGISTRY_PATH="\${datadir}/transcode\${TC_VERSUFFIX}"
AC_ARG_WITH(registry-path,
  AC_HELP_STRING([--with-registry-path],
    [where the module registry is installed (${datadir}/transcode)]),
  REGISTRY_PATH=$withval)
AC_SUBST(REGISTRY_PATH)


X_CFLAGS=`echo $X_CFLAGS | sed -e 's/  */ /g'`
X_PRE_LIBS=`echo $X_PRE_LIBS | sed -e 's/  */ /g'`
X_LIBS=`echo $X_LIBS | sed -e 's/  */ /g'`
X_EXTRA_LIBS=`echo $X_EXTRA_LIBS | sed -e 's/  */ /g'`

CC=`echo $CC | sed -e 's/  */ /g'`
CFLAGS=`echo $CFLAGS | sed -e 's/  */ /g'`
CPPFLAGS=`echo $CPPFLAGS | sed -e 's/  */ /g'`
CXXFLAGS=`echo $CXXFLAGS | sed -e 's/  */ /g'`
LDFLAGS=`echo $LDFLAGS | sed -e 's/  */ /g'`

AC_SUBST(CFLAGS)
AC_SUBST(CC)
AC_SUBST(LDFLAGS)

AC_CONFIG_FILES([
	Makefile
	aclib/Makefile
	avilib/Makefile
	mpeglib/Makefile
	docs/Makefile
	docs/html/Makefile
	docs/man/Makefile
	docs/tech/Makefile
	docs/tech/html/Makefile
	encode/Makefile
	export/Makefile
	filter/Makefile
	filter/divxkey/Makefile
	filter/extsub/Makefile
	filter/preview/Makefile
	filter/stabilize/Makefile
	filter/subtitler/Makefile
	filter/tomsmocomp/Makefile
	filter/yuvdenoise/Makefile
	import/Makefile
	import/framegen/Makefile
	import/nuv/Makefile
	import/v4l/Makefile
	multiplex/Makefile
	libdldarwin/Makefile
	libtc/Makefile
	libtcext/Makefile
	libtcexport/Makefile
	libtcmodule/Makefile
	libtcutil/Makefile
	libtcaudio/Makefile
	libtcvideo/Makefile
	src/Makefile
	tccore/Makefile
	testsuite/Makefile
	tools/Makefile
	transcode.spec
	filter/parse_csv.awk
	filter/filter_list.awk
	src/gtranscode2.py
])
AC_OUTPUT


if test x"yes" = x"$enable_ffmpeg"; then
    FFMPEG_OUTPUT="
ffmpeg libraries
----------------------------------------
libavcodec  build              $LIBAVCODEC_BUILD
libavcodec  version            $LIBAVCODEC_VERSION
libavformat build              $LIBAVFORMAT_BUILD
libavformat version            $LIBAVFORMAT_VERSION
"
fi



AC_MSG_RESULT([
----------------------------------------
Summary for transcode $VERSION:
----------------------------------------

core options
----------------------------------------
enable versioned installation  $enable_versioned $report_versioned
enable experimental code       $enable_experimental
enable deprecated code         $enable_deprecated
static AV-frame buffering      $enable_statbuffer
A52 default decoder            $enable_a52_default_decoder
FFmpeg support                 $enable_ffmpeg
$FFMPEG_OUTPUT
hardware support
----------------------------------------
v4l/v4l2                       $have_v4l
ALSA                           $have_alsa
OSS                            $have_oss
bktr                           $have_bktr
sunau                          $have_sunau

optional module support
----------------------------------------
NuppelVideo                    $enable_nuv

optional package support
----------------------------------------
IBP (libxio)                   $have_ibp
X11                            $USE_X11
    Xv      extension          $have_xv
    Xshm    extension          $have_xshm
    Xaw     library            $have_xaw_simple
    Xpm     library            $have_xpm
])

TC_PKG_REPORT
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.