#!/bin/sh
# Run this to generate all the initial makefiles, etc.

DIE=0
package=gst-ffmpeg
srcfile=configure.ac

# FFMPEG specific properties
. ./ffmpegrev

# a quick cvs co if necessary to alleviate the pain - may remove this
# when developers get a clue ;)
if test ! -d common; 
then 
  echo "+ getting common/ from cvs"
  cvs co common 
fi

if test ! -f $FFMPEG_CO_DIR/configure
then
	# checkout ffmpeg from its repository
	rm -rf $FFMPEG_CO_DIR
	echo "+ getting ffmpeg from svn"
	svn -r $FFMPEG_REVISION co $FFMPEG_SVN $FFMPEG_CO_DIR
else
    # update ffmpeg from its repository
    echo "+ updating ffmpeg checkout"
    svn -r $FFMPEG_REVISION up $FFMPEG_CO_DIR
fi


# source helper functions
if test ! -f common/gst-autogen.sh;
then
  echo There is something wrong with your source tree.
  echo You are missing common/gst-autogen.sh
  exit 1
fi
. common/gst-autogen.sh

# Let's check if we can disable the building of the ffmpeg binary
can_disable=`$FFMPEG_CO_DIR/configure --help | grep 'disable-ffmpeg' | wc -l`

if [ $can_disable != "0" ]
then
    CONFIGURE_DEF_OPT="--disable-ffmpeg"
fi

# Let's clear the 'exit 1' command when we post an Unknown option
echo "Patching ffmpeg ./configure"
sed -e '/Unknown option/ {
N
N
s/exit 1/#/
}' $FFMPEG_CO_DIR/configure > $FFMPEG_CO_DIR/configure.tmp
mv $FFMPEG_CO_DIR/configure.tmp $FFMPEG_CO_DIR/configure
chmod +x $FFMPEG_CO_DIR/configure

autogen_options $@

echo -n "+ check for build tools"
if test ! -z "$NOCHECK"; then echo " skipped"; else  echo; fi
version_check "autoconf" "$AUTOCONF autoconf autoconf-2.54 autoconf-2.53 autoconf-2.52" \
              "ftp://ftp.gnu.org/pub/gnu/autoconf/" 2 52 || DIE=1
version_check "automake" "$AUTOMAKE automake automake-1.9 automake-1.7 automake-1.6 automake-1.5" \
              "ftp://ftp.gnu.org/pub/gnu/automake/" 1 6 || DIE=1
version_check "libtoolize" "$LIBTOOLIZE libtoolize libtoolize14 glibtoolize" \
              "ftp://ftp.gnu.org/pub/gnu/libtool/" 1 4 0 || DIE=1
version_check "pkg-config" "" \
              "http://www.freedesktop.org/software/pkgconfig" 0 8 0 || DIE=1

die_check $DIE

autoconf_2_52d_check || DIE=1
aclocal_check || DIE=1
autoheader_check || DIE=1

die_check $DIE

# if no arguments specified then this will be printed
if test -z "$*"; then
  echo "+ checking for autogen.sh options"
  echo "  This autogen script will automatically run ./configure as:"
  echo "  ./configure $CONFIGURE_DEF_OPT"
  echo "  To pass any additional options, please specify them on the $0"
  echo "  command line."
fi

toplevel_check $srcfile

tool_run "$aclocal" "-I m4 -I common/m4 $ACLOCAL_FLAGS"
tool_run "$libtoolize" "--copy --force"
tool_run "$autoheader"

# touch the stamp-h.in build stamp so we don't re-run autoheader in maintainer mode -- wingo
echo timestamp > stamp-h.in 2> /dev/null

tool_run "$autoconf"
tool_run "$automake" "-a -c"

# if enable exists, add an -enable option for each of the lines in that file
if test -f enable; then
  for a in `cat enable`; do
    CONFIGURE_FILE_OPT="--enable-$a"
  done
fi

# if disable exists, add an -disable option for each of the lines in that file
if test -f disable; then
  for a in `cat disable`; do
    CONFIGURE_FILE_OPT="$CONFIGURE_FILE_OPT --disable-$a"
  done
fi

test -n "$NOCONFIGURE" && {
  echo "+ skipping configure stage for package $package, as requested."
  echo "+ autogen.sh done."
  exit 0
}

echo "+ running configure ... "
test ! -z "$CONFIGURE_DEF_OPT" && echo "  ./configure default flags: $CONFIGURE_DEF_OPT"
test ! -z "$CONFIGURE_EXT_OPT" && echo "  ./configure external flags: $CONFIGURE_EXT_OPT"
test ! -z "$CONFIGURE_FILE_OPT" && echo "  ./configure enable/disable flags: $CONFIGURE_FILE_OPT"
echo

./configure $CONFIGURE_DEF_OPT $CONFIGURE_EXT_OPT $CONFIGURE_FILE_OPT || {
        echo "  configure failed"
        exit 1
}

echo
echo "Now type 'make' to compile $package."