#! /bin/sh

##  bootstrap file for the VLC media player
##
## Copyright (C) 2005-2006 the VideoLAN team
##
##  Authors: Sam Hocevar <sam@zoy.org>
##           Rémi Denis-Courmont <rem # videolan # org>

if test "$#" != "0"; then
  echo "Usage: $0"
  echo "  Calls automake, autoconf, autoheader, autopoint and other auto* to generate"
  echo "  m4 macros and prepare Makefiles."
  exit 1
fi

###
###  Get a sane environment, just in case
###
LANG=C
export LANG
CYGWIN=binmode
export CYGWIN

set -e
set -x

##
## Check for various tools
##

ACLOCAL_ARGS="-I m4 ${ACLOCAL_ARGS}"

# Check for contrib directory
if test -d extras/contrib/bin; then
  export PATH="`pwd`/extras/contrib/bin:$PATH"
  if test -d extras/contrib/share/aclocal; then
    ACLOCAL_ARGS="${ACLOCAL_ARGS} -I extras/contrib/share/aclocal"
  fi
  if test ".`uname -s`" = ".Darwin"; then
    export LD_LIBRARY_PATH=./extras/contrib/lib:$LD_LIBRARY_PATH
    export DYLD_LIBRARY_PATH=./extras/contrib/lib:$DYLD_LIBRARY_PATH
  elif test ".`uname -s`" = ".BeOS"; then
    export LIBRARY_PATH=./extras/contrib/lib:$LIBRARY_PATH
    export BELIBRARIES=./extras/contrib/lib:$BELIBRARIES
  fi
elif test ".`uname -s`" = ".Darwin"; then
  set +x
  echo ""
  echo "ERR: Contribs haven't been built"
  echo "ERR: Please run:"
  echo "ERR: "
  echo "ERR:    'cd extras/contrib && ./bootstrap && make && cd ../..'"
  echo "ERR: "
  echo "ERR: Make sure fink has been disabled too."
  echo ""
  set -x
  exit 1
fi

# Check for autoconf
rm -f m4/autoconf260.m4
case "$(autoconf --version|head -n 1)" in
  *2.5[012345678]*)
    echo "$0: you need autoconf version 2.59 or later (2.60 recommanded)."
    exit 1
    ;;

  *2.59*)
    echo "Enabling provisional autoconf 2.59 work-around. Update autoconf ASAP."
    echo "Press Enter to continue"
    read
    cp -f extras/m4/autoconf260.m4 m4/
    ;;
esac

# Check for automake
amvers="no"
for v in "-1.10" "110" "-1.9" "19"; do
  if automake${v} --version >/dev/null 2>&1; then
    amsuff="${v}"
    amvers="`echo ${v} | sed -e 's/^-//'`"
    break
  fi
done

if test "${amvers}" = "no" && automake --version > /dev/null 2>&1; then
  amvers="`automake --version | sed -e '1s/[^0-9]*//' -e q`"
  amsuff=""
fi

case "${amvers}" in
  no|1.[012345678]|1.[0123456].*|1[0123456]|1.[0123456]-*)
    set +x
    echo "$0: you need automake version 1.9 or later"
    exit 1
    ;;
esac

# Check for libtool
libtoolize="no"
if test -x extras/contrib/bin/libtoolize; then
  libtoolize="extras/contrib/bin/libtoolize"
elif glibtoolize --version >/dev/null 2>&1; then
  libtoolize="glibtoolize"
elif libtoolize --version >/dev/null 2>&1; then
  libtoolize="libtoolize"
fi

if test "$libtoolize" = "no"; then
  set +x
  echo "$0: you need libtool"
  exit 1
fi

# Check for gettext
if gettextize --version >/dev/null 2>&1; then
# Autopoint is available from 0.11.3, but we need 0.11.5
if expr `gettextize --version |cut -d' ' -f2- | sed -e '1s/[^0-9]*//' -e q` \
        '>=' 0.11.5 >/dev/null 2>&1; then
  # We have gettext, and a recent version! Everything is cool.
  autopoint=autopoint
  GETTEXT=yes
else
  # User's gettext is too old. try to continue anyway.
  autopoint=:
  GETTEXT=old
fi;else
  set +x
  echo "$0: you need gettextize (package gettext-devel or gettext)"
  exit 1
fi

# Check for pkg-config
if pkg-config --version >/dev/null 2>&1; then
  # We have pkg-config, everything is cool.
  PKGCONFIG=yes
else
  PKGCONFIG=no
fi

aclocal=aclocal${amsuff}
automake=automake${amsuff}
autoconf=autoconf
autoheader=autoheader

##
## Generate the modules makefile, by parsing modules/**/Modules.am
##

set +x
echo "generating modules/**/Makefile.am and m4/private.m4"

# Prepare m4/private.m4
rm -f m4/private.m4 && cat > m4/private.m4 << EOF
dnl  Private VLC macros - generated by bootstrap

EOF

if [ "${PKGCONFIG}" = "no" ]; then cat >> m4/private.m4 << EOF
dnl  User does not have pkg-config, so assume package was not found
AC_DEFUN([PKG_CHECK_MODULES],[ifelse([\$4], , :, [\$4])])

EOF
fi

if [ "${GETTEXT}" != "yes" ]; then cat >> m4/private.m4 << EOF
dnl  User does not have gettext, so this is a no-op
AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])

EOF
fi

cat >> m4/private.m4 << EOF
dnl  Helper macro for vlc-config generation
AC_DEFUN([VLC_CONFIG_HELPER], [
  cat >> vlc-config.in << BLAH
EOF

modules=""

rm -f modules/Makefile.am && cat > modules/Makefile.am << EOF
# Autogenerated by bootstrap - DO NOT EDIT
EXTRA_DIST = LIST
dist_noinst_SCRIPTS = genmf
SUBDIRS = `sed -ne 's,modules/\([^/]*\)/Makefile,\1,p' configure.ac | xargs`

EOF

modules/genmf `sed -ne 's,modules/\(.*\)/Makefile,\1,p' configure.ac`

cat >> m4/private.m4 << EOF
BLAH
])
EOF

###
###  classic bootstrap stuff
###
set -x

# remove autotools cruft
rm -f aclocal.m4 configure config.log config.h config.h.in
rm -Rf autom4te*.cache
# remove old autotools extra cruft
rm -f config.guess config.sub missing mkinstalldirs compile depcomp install-sh
# remove new autotools extra cruft
rm -Rf autotools
mkdir autotools
# remove libtool cruft
rm -f ltmain.sh libtool ltconfig
# remove gettext cruft
rm -f ABOUT-NLS
rm -Rf intl
# remove vlc cruft
rm -f stamp-builtin stamp-h* mozilla/stamp-pic

# Automake complains if these are not present
rm -f vlc-config.in && printf "" > vlc-config.in
if [ "$GETTEXT" != "yes" ]; then
  test -d intl || mkdir intl
  printf "" > intl/Makefile.am
  printf "" > ABOUT-NLS
fi

# Libtoolize directory
${libtoolize} --copy --force
if test -f "ltmain.sh"; then
  echo "$0: working around a minor libtool issue"
  mv ltmain.sh autotools/
fi

# Do the rest
${autopoint} -f
rm -f po/Makevars.template
${aclocal} ${ACLOCAL_ARGS}
${autoconf}
${autoheader}
${automake} --add-missing --copy -Wall

##
##  files which need to be regenerated
##
rm -f vlc-config.in vlc-config
rm -f src/misc/modules_builtin.h

# Shut up
set +x

##
##  Tell the user about gettext, pkg-config and sed
##
if [ "${GETTEXT}" = "old" ]; then
  cat << EOF

==========================================================
NOTE: you have an old version of gettext installed on your
system. The vlc build will work, but if your system does not
have libintl you will not have internationalization support.
We suggest upgrading to gettext 0.11.5 or later.
EOF
fi

if [ "$PKGCONFIG" = "no" ]; then
  cat << EOF

==============================================================
NOTE: you do not have the "pkg-config" utility on your system;
detection of the Gtk-2.0 and GNOME 2.0 libraries will not be
reliable.
EOF
fi

echo "Successfully bootstrapped"