mkvtoolnix/configure.in

dnl process this file with autoconf to generate the configure script

AC_INIT(src/mkvmerge.cpp)
AC_PREREQ(2.50)

AM_INIT_AUTOMAKE(mkvtoolnix,0.7.2)
AM_CONFIG_HEADER(config.h)

AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_MAKE_SET
dnl Find the right ranlib, even when cross-compiling
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
AC_CHECK_TOOL(AR, ar, :)
AC_CHECK_TOOL(LD, ld, :)

dnl Check for headers
AC_HEADER_STDC()



dnl Stolen from VideoLAN Client, http://www.videolan.org/
dnl
dnl  Endianness check, AC_C_BIGENDIAN doesn't work if we are cross-compiling
dnl
dnl  We give the user the opportunity to specify
dnl  --with-words=big or --with-words=little ; otherwise, try to guess
dnl
AC_ARG_WITH(words,
  [  --with-words=endianness       set endianness (big or little)])
  case "${with_words}" in
    big)
      ac_cv_c_bigendian=yes
      ;;
    little)
      ac_cv_c_bigendian=no
      ;;
    *)
      dnl  Try to guess endianness by matching patterns on a compiled
      dnl  binary, by looking for an ASCII or EBCDIC string
      AC_CACHE_CHECK([whether the byte order is big-endian],
        [ac_cv_c_bigendian],
        [ac_cv_c_bigendian="unknown"
        [cat >conftest.c <<EOF
        short am[] = { 0x4249, 0x4765, 0x6e44, 0x6961, 0x6e53, 0x7953, 0 };
        short ai[] = { 0x694c, 0x5454, 0x656c, 0x6e45, 0x6944, 0x6e61, 0 };
        void _a(void) { char*s = (char*)am; s = (char *)ai; }
        short ei[] = { 0x89D3, 0xe3e3, 0x8593, 0x95c5, 0x89c4, 0x9581, 0 };
        short em[] = { 0xc2c9, 0xc785, 0x95c4, 0x8981, 0x95e2, 0xa8e2, 0 };
        void _e(void) { char*s = (char*)em; s = (char*)ei; }
        int main(void) { _a(); _e(); return 0; }
EOF
        ]
        if test -f conftest.c
        then
          if ${CC-cc} -c conftest.c -o conftest.o >>config.log 2>&1 \
              && test -f conftest.o
          then
            if test "`strings conftest.o | grep BIGenDianSyS`"
            then
              ac_cv_c_bigendian="yes"
            fi
            if test "`strings conftest.o | grep LiTTleEnDian`"
            then
              ac_cv_c_bigendian="no"
            fi
          fi
        fi
      ])
      if test "${ac_cv_c_bigendian}" = "unknown"
      then
        AC_MSG_ERROR([Could not guess endianness, please use --with-words])
      fi
      ;;
  esac
dnl  Now we know what to use for endianness, just put it in the header
if test "${ac_cv_c_bigendian}" = "yes"
then
  AC_DEFINE(WORDS_BIGENDIAN, 1, big endian system)
fi



dnl
dnl Extra include and library dirs that someone would like to specify.
dnl
AC_ARG_WITH(extra-includes,
  [  --with-extra-includes=DIR     Path to other include directories],,
  with_extra_include_given=no)
AC_ARG_WITH(extra-libs,
	[  --with-extra-libs=DIR         Path to other library directories],,
  with_extra_libs_given=no)
  EXTRA_CFLAGS=
  if test "$with_extra_includes" != ""; then
    DIRS=`echo $with_extra_includes | cut -d '=' -f 2 | sed 's,;, -I,g'`
    EXTRA_CFLAGS="-I$DIRS"
    CFLAGS="$CFLAGS -I$DIRS"
    CXXFLAGS="$CXXFLAGS -I$DIRS"
    CPPFLAGS="$CPPFLAGS -I$DIRS"
  fi

  EXTRA_LDFLAGS=
  if test "$with_extra_libs" != ""; then
    DIRS=`echo $with_extra_libs | cut -d '=' -f 2 | sed 's,;, -L,g'`
    EXTRA_LDFLAGS="-L$DIRS"
    LDFLAGS="$LDFLAGS -L$DIRS"
  fi

AC_SUBST(EXTRA_CFLAGS)
AC_SUBST(EXTRA_LDFLAGS)



dnl
dnl Debugging and profiling options
dnl
AC_ARG_ENABLE([debug],
  [  --enable-debug                compile with debug information])
  if test x"$enable_debug" = x"yes"; then
    dnl debug information
    DEBUG_CFLAGS="-g -DDEBUG"
  else
    DEBUG_CFLAGS=""
  fi
AC_ARG_ENABLE([profiling],
    [  --enable-profiling            compile with profiling information])
  if test x"$enable_profiling" = x"yes"; then
    dnl profiling information
    PROFILING_CFLAGS="-pg"
    PROFILING_LIBS=""
  else
    PROFILING_CFLAGS=""
    PROFILING_LIBS=""
  fi

AC_SUBST(DEBUG_CFLAGS)
AC_SUBST(PROFILING_CFLAGS)
AC_SUBST(PROFILING_LIBS)



dnl
dnl Check for mingw
dnl
AC_CACHE_CHECK([if being compiled with mingw32],
  [ac_cv_mingw32],[
  if test "x`gcc --version | grep -i mingw`" = "x" ; then
    ac_cv_mingw32=no
  else
    ac_cv_mingw32=yes
  fi])

  if test "x$ac_cv_mingw32" = "xyes"; then
    export MINGW=1
    MINGW_GUIAPP=-mwindows
  fi

AC_SUBST(MINGW_LIBS)
AC_SUBST(MINGW_GUIAPP)



dnl
dnl Test for libiconv
dnl
dnl This macros shamelessly stolen from
dnl http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg01398.html.
dnl Written by Bruno Haible.
dnl
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable GNU libiconv installed).
dnl
AC_ARG_WITH([libiconv-prefix],
  [  --with-libiconv-prefix=DIR    search for libiconv in DIR/include and DIR/lib],[
    for dir in `echo "$withval" | tr : ' '`; do
      if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
      if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
    done
   ])

  AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
    am_cv_func_iconv="no, consider installing GNU libiconv"
    am_cv_lib_iconv=no
    AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
      [iconv_t cd = iconv_open("","");
       iconv(cd,NULL,NULL,NULL,NULL);
       iconv_close(cd);],
      am_cv_func_iconv=yes)
    if test "$am_cv_func_iconv" != yes; then
      am_save_LIBS="$LIBS"
      LIBS="$LIBS -liconv"
      AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
        [iconv_t cd = iconv_open("","");
         iconv(cd,NULL,NULL,NULL,NULL);
         iconv_close(cd);],
        am_cv_lib_iconv=yes
        am_cv_func_iconv=yes)
      LIBS="$am_save_LIBS"
    fi
  ])
  if test "$am_cv_func_iconv" = yes; then
    AC_MSG_CHECKING([for iconv declaration])
    AC_CACHE_VAL(am_cv_proto_iconv, [
      AC_TRY_COMPILE([
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
      am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
    am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
    AC_MSG_RESULT([$]{ac_t:-
         }[$]am_cv_proto_iconv)
dnl    AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
dnl      [Define as const if the declaration of iconv() needs const.])
  else
    echo '*** The iconv library is needed but could not be found.'
    echo '*** Please install it and re-run configure.'
    exit 1
  fi
  ICONV_LIBS=
  if test "$am_cv_lib_iconv" = yes; then
    ICONV_LIBS="-liconv"
  fi

AC_SUBST(ICONV_LIBS)



dnl
dnl Check for libogg
dnl
AC_ARG_WITH(ogg-prefix,
  [  --with-ogg-prefix=PFX         Prefix where libogg is installed],
  ogg_prefix="$withval", ogg_prefix="")
AC_ARG_WITH(ogg-includes,
  [  --with-ogg-includes=DIR       Directory where libogg headers are installed],
  ogg_includes="$withval", ogg_includes="")
AC_ARG_WITH(ogg-libraries,
  [  --with-ogg-libraries=DIR      Directory where libogg is installed],
  ogg_libraries="$withval", ogg_libraries="")

  if test "x$ogg_prefix" != "x"; then
    OGG_CFLAGS="-I$ogg_prefix/include"
    OGG_LIBS="-L$ogg_prefix/lib"
  else
    if test "x$ogg_includes" != "x"; then
      OGG_CFLAGS="-I$ogg_includes"
    elif test "x$prefix" != "xNONE"; then
      OGG_CFLAGS="-I$prefix"
    fi
    if test "x$ogg_libraries" != "x"; then
      OGG_LIBS="-L$ogg_libraries"
    elif test "x$prefix" != "xNONE"; then
      OGG_LIBS="-L$prefix"
    fi
  fi

	AC_CHECK_LIB(ogg, ogg_sync_init,
		     [ OGG_LIBS="$OGG_LIBS -logg"
		       ogg_found=yes ],
		     [ ogg_found=no ],
		     "$OGG_LIBS")
  if test "$ogg_found" = "no"; then
    AC_MSG_ERROR([Could not find the Ogg library])
  fi
	ogg_save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $OGG_CFLAGS"
  AC_CHECK_HEADERS(ogg/ogg.h, , ogg_found=no)
  if test "$ogg_found" = "no"; then
    AC_MSG_ERROR([Could not find the Ogg header files])
  fi
	CFLAGS="$ogg_save_CFLAGS"

AC_SUBST(OGG_CFLAGS)
AC_SUBST(OGG_LIBS)



dnl
dnl Check for libvorbis
dnl
AC_ARG_WITH(vorbis-prefix,
  [  --with-vorbis-prefix=PFX      Prefix where libvorbis is installed],
  vorbis_prefix="$withval", vorbis_prefix="")
AC_ARG_WITH(vorbis-includes,
  [  --with-vorbis-includes=DIR    Directory where libvorbis headers are installed],
  vorbis_includes="$withval", vorbis_includes="")
AC_ARG_WITH(vorbis-libraries,
  [  --with-vorbis-libraries=DIR   Directory where libvorbis is installed],
  vorbis_libraries="$withval", vorbis_libraries="")

  if test "x$vorbis_prefix" != "x"; then
    VORBIS_CFLAGS="-I$vorbis_prefix/include"
    VORBIS_LIBS="-L$vorbis_prefix/lib"
  else
    if test "x$vorbis_includes" != "x"; then
      VORBIS_CFLAGS="-I$vorbis_includes"
    elif test "x$prefix" != "xNONE"; then
      VORBIS_CFLAGS="-I$prefix"
    fi
    if test "x$vorbis_libraries" != "x"; then
      VORBIS_LIBS="-L$vorbis_libraries"
    elif test "x$prefix" != "xNONE"; then
      VORBIS_LIBS="-L$prefix"
    fi
  fi

	AC_CHECK_LIB(vorbis, vorbis_synthesis_init,
		     [ VORBIS_LIBS="$VORBIS_LIBS -lvorbis -lm"
		       vorbis_found=yes ],
		     [ vorbis_found=no ],
		     $VORBIS_LIBS $OGG_LIBS)
  if test "$vorbis_found" = "no"; then
    AC_MSG_ERROR([Could not find the Vorbis library])
  fi
	vorbis_save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $VORBIS_CFLAGS"
  AC_CHECK_HEADERS(vorbis/codec.h, , vorbis_found=no)
  if test "$vorbis_found" = "no"; then
    AC_MSG_ERROR([Could not find the Vorbis header files])
  fi
	CFLAGS="$vorbis_save_CFLAGS"

AC_SUBST(VORBIS_CFLAGS)
AC_SUBST(VORBIS_LIBS)



dnl
dnl Test for libebml, and define EBML_CFLAGS and EBML_LIBS
dnl
AC_ARG_WITH(ebml-prefix,
  [  --with-ebml-prefix=PFX        Prefix where libebml is installed],
  ebml_prefix="$withval", ebml_prefix="")
AC_ARG_WITH(ebml-include,
  [  --with-ebml-include=DIR       Path to where the libebml include files are installed],
  ebml_include="$withval", ebml_include="")
AC_ARG_WITH(ebml-lib,
  [  --with-ebml-lib=DIR           Path to where libebml is installed],
  ebml_lib="$withval", ebml_lib="")
AC_ARG_ENABLE(ebmltest,
  [  --disable-ebmltest            Do not try to compile and run a test EBML program],,
  enable_ebmltest=yes)
  if test "x$ebml_prefix" != "x"; then
    ebml_args="$ebml_args --prefix=$ebml_prefix"
    if test "x$ebml_include" != "x"; then
      EBML_CFLAGS="-I$ebml_include"
    else
      EBML_CFLAGS="-I$ebml_prefix/include"
    fi
    if test "x$ebml_lib" != "x"; then
      EBML_LIBS="-L$ebml_lib"
    else
      EBML_LIBS="-L$ebml_prefix/lib"
    fi
  elif test "x$prefix" != "xNONE"; then
    ebml_args="$ebml_args --prefix=$prefix"
    if test "x$ebml_include" != "x"; then
      EBML_CFLAGS="-I$ebml_include"
    else
      EBML_CFLAGS="-I$prefix/include"
    fi
    if test "x$ebml_lib" != "x"; then
      EBML_LIBS="-L$ebml_lib"
    else
      EBML_LIBS="-L$prefix/lib"
    fi
  else
    if test "x$ebml_include" != "x"; then
      EBML_CFLAGS="-I$ebml_include"
    fi
    if test "x$ebml_lib" != "x"; then
      EBML_LIBS="-L$ebml_lib"
    else
      EBML_LIBS="-L/usr/local/lib"
    fi
  fi

  EBML_LIBS="$EBML_LIBS -lebml"

  AC_MSG_CHECKING(for EBML)
  no_ebml=""

  if test "x$enable_ebmltest" = "xyes" ; then
    ac_save_CXXFLAGS="$CXXFLAGS"
    ac_save_LIBS="$LIBS"
    CXXFLAGS="$CFLAGS $EBML_CFLAGS"
    LIBS="$LIBS $EBML_LIBS"
dnl
dnl Now check if the installed EBML is sufficiently new.
dnl
    rm -f conf.ebmltest
    AC_LANG_PUSH(C++)
    AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ebml/EbmlVersion.h>

using namespace libebml;

int main ()
{
  FILE *f;
  f = fopen("conf.ebmltest", "wb");
  if (f == NULL)
    return 1;
  fprintf(f, "%s\n", EbmlCodeVersion.c_str());
  fclose(f);
  return 0;
}

],, no_ebml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
    AC_LANG_POP
    CXXFLAGS="$ac_save_CXXFLAGS"
    LIBS="$ac_save_LIBS"
  fi

  if test "x$no_ebml" = "x" -a -f conf.ebmltest ; then
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
    exit 1
  fi

  ebml_ver_req_major=0
  ebml_ver_req_minor=6
  ebml_ver_req_micro=2

  AC_MSG_CHECKING(Ebml version >= ${ebml_ver_req_major}.${ebml_ver_req_minor}.${ebml_ver_req_micro})

  ebml_version=`cat conf.ebmltest`
  set - `sed 's/\./\ /g' < conf.ebmltest`
  if test "x$1" = "x" -o $1 -lt ${ebml_ver_req_major} ; then
    mver_ok=0
  elif test $1 -gt ${ebml_ver_req_major} ; then
    mver_ok=1
  else
    if test "x$2" = "x" -o $2 -lt ${ebml_ver_req_minor} ; then
      mver_ok=0
    elif test $2 -gt ${ebml_ver_req_minor} ; then
      mver_ok=1
    else
      if test "x$3" = "x" -o $3 -lt ${ebml_ver_req_micro} ; then
        mver_ok=0
      else
        mver_ok=1
      fi
    fi
  fi
  if test "$mver_ok" = "1" ; then
    AC_MSG_RESULT(ok ($ebml_version))
  else
    AC_MSG_RESULT(too old ($ebml_version))
    echo '*** Your Ebml version is too old. Upgrade to at least version'
    echo '*** '${ebml_ver_req_major}.${ebml_ver_req_minor}.${ebml_ver_req_micro}' and re-run configure.'
    exit 1
  fi
  rm -f conf.ebmltest

AC_SUBST(EBML_CFLAGS)
AC_SUBST(EBML_LIBS)



dnl
dnl Test for libmatroska, and define MATROSKA_CFLAGS and MATROSKA_LIBS
dnl
AC_ARG_WITH(matroska-prefix,
  [  --with-matroska-prefix=PFX    Prefix where libmatroska is installed],
  matroska_prefix="$withval", matroska_prefix="")
AC_ARG_WITH(matroska-include,
  [  --with-matroska-include=DIR   Path to where the libmatroska include files installed],
  matroska_include="$withval", matroska_include="")
AC_ARG_WITH(matroska-lib,
  [  --with-matroska-lib=DIR       Path to where the libmatroska library installed],
  matroska_lib="$withval", matroska_lib="")
AC_ARG_ENABLE(matroskatest,
  [  --disable-matroskatest        Do not try to compile and run a test Matroska program],,
  enable_matroskatest=yes)
  if test "x$matroska_prefix" != "x"; then
    matroska_args="$matroska_args --prefix=$matroska_prefix"
    if test "x$matroska_include" != "x"; then
      MATROSKA_CFLAGS="-I$matroska_include"
    else
      MATROSKA_CFLAGS="-I$matroska_prefix/include"
    fi
    if test "x$matroska_lib" != "x"; then
      MATROSKA_LIBS="-L$matroska_lib"
    else
      MATROSKA_LIBS="-L$matroska_prefix/lib"
    fi
  elif test "x$prefix" != "xNONE"; then
    matroska_args="$matroska_args --prefix=$prefix"
    if test "x$matroska_include" != "x"; then
      MATROSKA_CFLAGS="-I$matroska_include"
    else
      MATROSKA_CFLAGS="-I$prefix/include"
    fi
    if test "x$matroska_lib" != "x"; then
      MATROSKA_LIBS="-L$matroska_lib"
    else
      MATROSKA_LIBS="-L$prefix/lib"
    fi
  else
    if test "x$matroska_include" != "x"; then
      MATROSKA_CFLAGS="-I$matroska_include"
    fi
    if test "x$matroska_lib" != "x"; then
      MATROSKA_LIBS="-L$matroska_lib"
    else
      MATROSKA_LIBS="-L/usr/local/lib"
    fi
  fi

  MATROSKA_LIBS="$MATROSKA_LIBS -lmatroska"

  AC_MSG_CHECKING(for Matroska)
  no_matroska=""

  if test "x$enable_matroskatest" = "xyes" ; then
    ac_save_CXXFLAGS="$CXXFLAGS"
    ac_save_LIBS="$LIBS"
    CXXFLAGS="$CXXFLAGS $MATROSKA_CFLAGS $EBML_CFLAGS"
    LIBS="$LIBS $MATROSKA_LIBS $EBML_LIBS"
dnl
dnl Now check if the installed Matroska is sufficiently new.
dnl
    rm -f conf.matroskatest
    AC_LANG_PUSH(C++)
    AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <ebml/EbmlConfig.h>
#include <matroska/KaxVersion.h>

using namespace LIBMATROSKA_NAMESPACE;

int main ()
{
  FILE *f;
  f = fopen("conf.matroskatest", "wb");
  if (f == NULL)
    return 1;
  fprintf(f, "%s\n", KaxCodeVersion.c_str());
  fclose(f);
  return 0;
}

],, no_matroska=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
    AC_LANG_POP
    CXXFLAGS="$ac_save_CXXFLAGS"
    LIBS="$ac_save_LIBS"
  fi

  if test "x$no_matroska" = "x" -a -f conf.matroskatest ; then
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
    exit 1
  fi

  kax_ver_req_major=0
  kax_ver_req_minor=6
  kax_ver_req_micro=1
  AC_MSG_CHECKING(Matroska version >= ${kax_ver_req_major}.${kax_ver_req_minor}.${kax_ver_req_micro})

  matroska_version=`cat conf.matroskatest`
  set - `sed 's/\./\ /g' < conf.matroskatest`
  if test "x$1" = "x" -o $1 -lt ${kax_ver_req_major} ; then
    mver_ok=0
  elif test $1 -gt ${kax_ver_req_major} ; then
    mver_ok=1
  else
    if test "x$2" = "x" -o $2 -lt ${kax_ver_req_minor} ; then
      mver_ok=0
    elif test $2 -gt ${kax_ver_req_minor} ; then
      mver_ok=1
    else
      if test "x$3" = "x" -o $3 -lt ${kax_ver_req_micro} ; then
        mver_ok=0
      else
        mver_ok=1
      fi
    fi
  fi
  if test "$mver_ok" = "1" ; then
    AC_MSG_RESULT(ok ($matroska_version))
  else
    AC_MSG_RESULT(too old ($matroska_version))
    echo '*** Your Matroska version is too old. Upgrade to at least version'
    echo '*** '${kax_ver_req_major}.${kax_ver_req_minor}.${kax_ver_req_micro}' and re-run configure.'
    exit 1
  fi
  rm -f conf.matroskatest

AC_SUBST(MATROSKA_CFLAGS)
AC_SUBST(MATROSKA_LIBS)



dnl
dnl Check for libexpat
dnl
AC_ARG_WITH(expat-prefix,
  [  --with-expat-prefix=PFX       Path to where the Expat library is installed],,
  with_expat_given=no)
AC_ARG_WITH(expat-includes,
  [  --with-expat-includes=DIR     Path to the Expat include file],,
  with_expat_includes_given=no)
AC_ARG_WITH(expat-libraries,
  [  --with-expat-libraries=DIR    Path to where the Expat library is installed],,
  with_expat_libraries_given=no)

  EXPAT_CFLAGS=
  EXPAT_LIBS=
  if test "$with_expat_includes" != ""; then
    EXPAT_CFLAGS="-I$with_expat_includes"
  elif test "$with_expat_prefix" != "yes" -a "$with_expat_prefix" != ""; then
		EXPAT_CFLAGS="-I$with_expat_prefix/include"
	fi
  if test "$with_expat_libraries" != ""; then
    EXPAT_LIBS="-L$with_expat_libraries"
  elif test "$with_expat_prefix" != "yes" -a "$with_expat_prefix" != ""; then
		EXPAT_LIBS="-L$with_expat_prefix/lib"
  fi
	AC_CHECK_LIB(expat, XML_ParserCreate,
		     [ EXPAT_LIBS="$EXPAT_LIBS -lexpat"
		       expat_found=yes ],
		     [ expat_found=no ],
		     "$EXPAT_LIBS")
	if test "$expat_found" = "no"; then
		AC_MSG_ERROR([Could not find the Expat library])
	fi
	expat_save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $EXPAT_CFLAGS"
	AC_CHECK_HEADERS(expat.h, , expat_found=no)
	if test "$expat_found" = "no"; then
		AC_MSG_ERROR([Could not find expat.h])
	fi
	CFLAGS="$expat_save_CFLAGS"

  if test "x$expat_found" = "xno"; then
    exit 1
  fi

AC_SUBST(EXPAT_CFLAGS)
AC_SUBST(EXPAT_LIBS)



dnl
dnl Check for zlib
dnl
AC_ARG_WITH(zlib,
  [  --with-zlib-prefix=PFX        Path to where the zlib library is installed],,
  with_zlib_given=no)

  ZLIB_CFLAGS=
  ZLIB_LIBS=
  if test "$with_zlib_prefix" != "yes" -a "$with_zlib_prefix" != ""; then
    ZLIB_CFLAGS="-I$with_zlib_prefix/include"
    ZLIB_LIBS="-L$with_zlib_prefix/lib"
  fi

	AC_CHECK_LIB(z, zlibVersion,
		     [ ZLIB_LIBS="$ZLIB_LIBS -lz"
		       zlib_found=yes ],
		     [ zlib_found=no ],
		     "$ZLIB_LIBS")
  if test "$zlib_found" = "no"; then
    AC_MSG_ERROR([Could not find the zlib library])
  fi
	zlib_save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $ZLIB_CFLAGS"
  AC_CHECK_HEADERS(zlib.h, , zlib_found=no)
	CFLAGS="$zlib_save_CFLAGS"

AC_SUBST(ZLIB_CFLAGS)
AC_SUBST(ZLIB_LIBS)



dnl
dnl Check for liblzo
dnl
AC_ARG_WITH(lzo,
  [  --with-lzo-prefix=PFX         Path to where the lzo library is installed],,
  with_lzo_given=no)

  LZO_CFLAGS=
  LZO_LIBS=
  if test "$with_lzo_prefix" != "yes" -a "$with_lzo_prefix" != ""; then
    LZO_CFLAGS="-I$with_lzo_prefix/include"
    LZO_LIBS="-L$with_lzo_prefix/lib"
  fi

	AC_CHECK_LIB(lzo, lzo1x_1_compress,
		     [ LZO_LIBS="$LZO_LIBS -llzo"
		       lzo_found=yes ],
		     [ lzo_found=no ],
		     "$LZO_LIBS")
  if test "$lzo_found" = "no"; then
    AC_MSG_ERROR([Could not find the lzo library])
  fi
	lzo_save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $LZO_CFLAGS"
  AC_CHECK_HEADERS(lzo1x.h, , lzo_found=no)
	CFLAGS="$lzo_save_CFLAGS"

AC_SUBST(LZO_CFLAGS)
AC_SUBST(LZO_LIBS)



dnl
dnl Check for libbz2
dnl
AC_ARG_WITH(bz2,
  [  --with-bz2-prefix=PFX         Path to where the bz2 library is installed],,
  with_bz2_given=no)

  BZ2_CFLAGS=
  BZ2_LIBS=
  if test "$with_bz2_prefix" != "yes" -a "$with_bz2_prefix" != ""; then
    BZ2_CFLAGS="-I$with_bz2_prefix/include"
    BZ2_LIBS="-L$with_bz2_prefix/lib"
  fi

	AC_CHECK_LIB(bz2, BZ2_bzCompress,
		     [ BZ2_LIBS="$BZ2_LIBS -lbz2"
		       bz2_found=yes ],
		     [ bz2_found=no ],
		     "$BZ2_LIBS")
  if test "$bz2_found" = "no"; then
    AC_MSG_ERROR([Could not find the bz2 library])
  fi
	bz2_save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $BZ2_CFLAGS"
  AC_CHECK_HEADERS(bzlib.h, , bz2_found=no)
	CFLAGS="$bz2_save_CFLAGS"

AC_SUBST(BZ2_CFLAGS)
AC_SUBST(BZ2_LIBS)



dnl
dnl Check for wxWindows
dnl
  AC_MSG_CHECKING(for wxWindows)
  if wx-config --cxxflags > /dev/null 2>&1; then
    wxwversion=`wx-config --version`
    wxwver_ok=`echo $wxwversion | sed 's;\.;\ ;g' | (read -a mver
    if test ${mver[[0]]} -gt 2 ; then
      wxwver_ok=1
    elif test ${mver[[0]]} -lt 2 ; then
      wxwver_ok=0
    else
      if test ${mver[[1]]} -ge 4 ; then
        wxwver_ok=1
      else
        wxwver_ok=0
      fi
    fi
    echo $wxwver_ok )`

    if test "$wxwver_ok" = "1" ; then
      if test "$MINGW" = "1" ; then
        WXWINDOWS_CFLAGS=$(wx-config --cxxflags | sed 's;-I;-Ic:/cygwin;g')
        WXWINDOWS_LDFLAGS=$(wx-config --ldflags | sed 's;-L;-Lc:/cygwin;g')
        WXWINDOWS_LIBS=$(wx-config --libs | sed -e 's;-L;-Lc:/cygwin;g' -e 's; /usr/local/lib/libwx; c:/cygwin/usr/local/lib/libwx;g')
      else
        WXWINDOWS_CFLAGS=$(wx-config --cxxflags)
        WXWINDOWS_LDFLAGS=$(wx-config --ldflags)
        WXWINDOWS_LIBS=$(wx-config --libs)
      fi
      AC_DEFINE(HAVE_WXWINDOWS, 1, [Define if wxWindows is present])
      MMG_SUBDIRS=mmg
      AC_MSG_RESULT($wxwversion ok)
      have_wxwindows=yes
    else
      AC_MSG_RESULT(no: version $wxwversion is too old)
    fi
  else
    AC_MSG_RESULT(no: wx-config was not found)
  fi

AC_SUBST(WXWINDOWS_CFLAGS)
AC_SUBST(WXWINDOWS_LDFLAGS)
AC_SUBST(WXWINDOWS_LIBS)
AC_SUBST(MMG_SUBDIRS)
AM_CONDITIONAL(HAVE_WXWINDOWS, test x"$have_wxwindows" = "xyes")


dnl
dnl Option to use the (old) avilib library instead of the AVI classes
dnl
AC_ARG_WITH(avilib,
  [  --with-avilib=version         Which avilib should be used (noclasses, 0.6.10)],
  with_avilib_given=yes, with_avilib_given=no)

  AC_MSG_CHECKING(which AVI libraries to use)
  # Defaults: use aviclasses and prefer the new avilib.
  have_aviclasses=yes
  if test "x$with_avilib_given" = "xyes"; then
    set - `echo ${with_avilib} | sed 's/,/ /g'`
    while test "x$1" != "x"; do
      case "$1" in
        noclasses)
          have_aviclasses=no
          ;;
        "0.6.10")
          have_avilib0_6_10=yes
          ;;
        *)
          echo ""
          echo "*** Unknown AVI library \"$1\" in \"${with_avilib}\". "
          echo "*** Supported values are:"
          echo "*** 0.6.10    - the new avilib with OpenDML support"
          echo "*** noclasses - Do not use the AVI classes by Cyrius with "
          echo "***             OpenDML support"
          exit 1
          ;;
      esac
      shift
    done
  fi
  if test "x$have_aviclasses" = "xyes"; then 
    AC_DEFINE(HAVE_AVICLASSES, 1,
      [Define if the newer AVIclasses should be used.])
    AVICLASSES_LIBS="-laviclasses"
    avi_libs_to_use="classes "
  fi
  if test "x$have_avilib0_6_10" = "xyes" -a "x$have_avilib" = "xyes"; then
    echo ""
    echo "*** You cannot include both the old avilib and the new"
    echo "*** one (0.6.10)."
    exit 1
  fi
  if test "x$have_avilib" = "xyes"; then
    avi_libs_to_use="${avi_libs_to_use}old "
  else
    AC_DEFINE(HAVE_AVILIB0_6_10, 1,
      [Define if the newer avilib from transcode 0.6.10 should be used.])
    avi_libs_to_use="${avi_libs_to_use}0.6.10 "
    have_avilib0_6_10=yes
  fi
  AM_CONDITIONAL(HAVE_AVILIB, test x"$have_avilib0_6_10" != "xyes")
  AM_CONDITIONAL(HAVE_AVILIB0_6_10, test x"$have_avilib0_6_10" == "xyes")
  AM_CONDITIONAL(HAVE_AVICLASSES, test x"$have_aviclasses" = "xyes")

  AVILIB_LIBS="-lavi"

  AC_MSG_RESULT($avi_libs_to_use)

AC_SUBST(AVILIB_LIBS)
AC_SUBST(AVICLASSES_LIBS)

CFLAGS="-Wall -Wno-sign-compare -Wno-comment -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 @EXTRA_CFLAGS@ @OGG_CFLAGS@ @VORBIS_CFLAGS@ @DEBUG_CFLAGS@ @PROFILING_CFLAGS@ @MATROSKA_CFLAGS@ @EBML_CFLAGS@"
CXXFLAGS="-Wall -Wno-sign-compare -Wno-comment -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 @EXTRA_CFLAGS@ @OGG_CFLAGS@ @VORBIS_CFLAGS@ @DEBUG_CFLAGS@ @PROFILING_CFLAGS@ @MATROSKA_CFLAGS@ @EBML_CFLAGS@ @WXWINDOWS_CFLAGS@ @EXPAT_CFLAGS@ @ZLIB_CFLAGS@ @LZO_CFLAGS@ @BZ2_CFLAGS@"
CPPFLAGS="@EXTRA_CFLAGS@"
LDFLAGS="@EXTRA_LDFLAGS@"

AC_OUTPUT(Makefile avilib-0.6.10/Makefile aviclasses/Makefile src/Makefile src/common/Makefile src/input/Makefile src/output/Makefile src/mmg/Makefile doc/Makefile)