#! /bin/sh

##  bootstrap file for the VLC media player
##  $Id: bootstrap,v 1.47 2003/03/25 23:13:58 sam Exp $
##
##  Authors: Samuel Hocevar <sam@zoy.org>

if test x$# != x0; then
  echo "Usage: ./bootstrap"
  echo "  Calls automake, autoconf, autoheader, autopoint and other auto* to build"
  echo "  Makefiles."
  exit 1
fi

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

##
## Naively assume our system doesn't suck. Unfortunately it seldom doesn't.
##
SEDSUCKS=no
PERLSUCKS=no
AUTOMAKESUCKS=no
INSTALLSUCKS=no

##
## Check that our tools don't suck
##
if test ! 20000 -eq `perl -e 'printf "%s\n","a"x20000' | sed -e 's/.//' 2>/dev/null | wc -c`
then
  SEDSUCKS=yes
fi

# Mac OS X stacksize sucks
if test x`uname -s` = xDarwin; then ulimit -s 20000; fi

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

printf "generating Modules.am and configure.ac"

rm -f Modules.am configure.ac

echo > Modules.am
echo > configure.ac

ALL_FLAGS="`sed -n -e '/^[^=A-Z]*[A-Z]*FLAGS_[^=]*=/s/[^=A-Z]*\([A-Z]*FLAGS_[^=]*=\).*/\1/p' < configure.ac.in | sort | uniq`"

cat >> configure.ac << EOF
dnl ################################################################
dnl # Do not edit this file, it was generated from configure.ac.in #
dnl ################################################################

EOF
sed -n -e '/dnl do not touch this line/q;p' < configure.ac.in >> configure.ac

modules=""
for mf in `sed -ne 's@[^a-z]*\([^ ]*\)am.*@modules/\1am@p' < modules/Makefile.am`
do
  printf "."
  dir=`echo ${mf} | sed -e 's@\(.*\)/.*@\1@'`
  topdir=`echo ${dir} | cut -f2 -d/`
  sym=`echo ${dir} | sed -e 'y@/@_@'`
  cat >> Modules.am << EOF
# Directory ${dir}

include ${dir}/Modules.am

EOF
  sed -n -e 's/^ *SOURCES_\([^ ]*\).*/\1/p' < ${mf} | while read mod
  do
    LINKER="LINK"
    if echo "$ALL_FLAGS" | grep '^CPPFLAGS_'${mod}'=$' >/dev/null 2>&1; then
        echo "AC_SUBST(CPPFLAGS_${mod})" >> configure.ac; fi
    if echo "$ALL_FLAGS" | grep '^CFLAGS_'${mod}'=$' >/dev/null 2>&1; then
        echo "AC_SUBST(CFLAGS_${mod})" >> configure.ac; fi
    if echo "$ALL_FLAGS" | grep '^CXXFLAGS_'${mod}'=$' >/dev/null 2>&1; then
        LINKER="CXXLINK"
        echo "AC_SUBST(CXXFLAGS_${mod})" >> configure.ac; fi
    if echo "$ALL_FLAGS" | grep '^OBJCFLAGS_'${mod}'=$' >/dev/null 2>&1; then
        LINKER="OBJCLINK"
        echo "AC_SUBST(OBJCFLAGS_${mod})" >> configure.ac; fi
    if echo "$ALL_FLAGS" | grep '^LDFLAGS_'${mod}'=$' >/dev/null 2>&1; then
        echo "AC_SUBST(LDFLAGS_${mod})" >> configure.ac; fi
    if grep '^SOURCES_'${mod}'.*=.*PRIVATE' < ${mf} >/dev/null 2>&1; then
        PRIVATE='#'; else
        PRIVATE=''; fi
    if grep '^nodist_SOURCES_'${mod}'' < ${mf} >/dev/null 2>&1; then
        NODIST=''; else
        NODIST='#'; fi
    cat >> configure.ac << EOF
AM_CONDITIONAL(${mod}_plugin, test x\$${mod}_plugin = xyes)
AM_CONDITIONAL(${mod}_builtin, test x\$${mod}_builtin = xyes)
EOF
# Generation of Modules.am
# ~~~~~~~~~~~~~~~~~~~~~~~~
# - L_ is for LIBRARIES_, D_ for DATA_, B_ for BUILT_SOURCES_, F_ for LDFLAGS_,
#   S_ for SOURCES_, _p is for _plugin, _b is for _builtin. This is to reduce
#   the resulting file size.
# - *_CFLAGS, *_CXXFLAGS etc. include *_CPPFLAGS because per-object CPPFLAGS
#   does not seem to work properly with any automake version I tested.
    cat >> Modules.am << EOF
# The ${mod} plugin

if ${mod}_plugin
if UNTRUE
L_${mod}_p = ${dir}/lib${mod}_plugin.a
endif
D_${mod}_p = ${dir}/lib${mod}_plugin\$(LIBEXT)
${NODIST}B_${mod}_p = \$(nodist_SOURCES_${mod})
endif
if ${mod}_builtin
L_${mod}_b = ${dir}/lib${mod}.a
F_${mod}_b = \$(LDFLAGS_${mod})
if BUILD_MOZILLA
L_${mod}_pic = ${dir}/lib${mod}_pic.a
endif
${NODIST}B_${mod}_b = \$(nodist_SOURCES_${mod})
endif

L_builtin += \$(L_${mod}_b)
L_builtin_pic += \$(L_${mod}_pic)
LDFLAGS_builtin += \$(F_${mod}_b)
${PRIVATE}BUILT_SOURCES += \$(B_${mod}_p) \$(B_${mod}_b)
PLUGIN_FILES += \$(D_${mod}_p)

${PRIVATE}${sym}_lib${mod}_plugin_a_SOURCES = \$(SOURCES_${mod})
${NODIST}${PRIVATE}nodist_${sym}_lib${mod}_plugin_a_SOURCES = \$(nodist_SOURCES_${mod})
${sym}_lib${mod}_plugin_a_CPPFLAGS = \$(CPPFLAGS_plugin) \$(CPPFLAGS_${mod}) -DMODULE_NAME=${mod} -DMODULE_NAME_IS_${mod}
${sym}_lib${mod}_plugin_a_CFLAGS = \$(CFLAGS_plugin) \$(CFLAGS_${mod}) \$(${sym}_lib${mod}_plugin_a_CPPFLAGS)
${sym}_lib${mod}_plugin_a_CXXFLAGS = \$(CXXFLAGS_plugin) \$(CXXFLAGS_${mod}) \$(${sym}_lib${mod}_plugin_a_CPPFLAGS)
${sym}_lib${mod}_plugin_a_OBJCFLAGS = \$(OBJCFLAGS_plugin) \$(OBJCFLAGS_${mod}) \$(${sym}_lib${mod}_plugin_a_CPPFLAGS)

${sym}_lib${mod}_pic_a_SOURCES = ${PRIVATE}\$(SOURCES_${mod})
${NODIST}nodist_${sym}_lib${mod}_pic_a_SOURCES = ${PRIVATE}\$(nodist_SOURCES_${mod})
${sym}_lib${mod}_pic_a_CPPFLAGS = \$(CPPFLAGS_builtin_pic) \$(CPPFLAGS_${mod}) -DMODULE_NAME=${mod} -DMODULE_NAME_IS_${mod}
${sym}_lib${mod}_pic_a_CFLAGS = \$(CFLAGS_builtin_pic) \$(CFLAGS_${mod}) \$(${sym}_lib${mod}_pic_a_CPPFLAGS)
${sym}_lib${mod}_pic_a_CXXFLAGS = \$(CXXFLAGS_builtin_pic) \$(CXXFLAGS_${mod}) \$(${sym}_lib${mod}_pic_a_CPPFLAGS)
${sym}_lib${mod}_pic_a_OBJCFLAGS = \$(OBJCFLAGS_builtin_pic) \$(OBJCFLAGS_${mod}) \$(${sym}_lib${mod}_pic_a_CPPFLAGS)

${sym}_lib${mod}_a_SOURCES = ${PRIVATE}\$(SOURCES_${mod})
${NODIST}nodist_${sym}_lib${mod}_a_SOURCES = ${PRIVATE}\$(nodist_SOURCES_${mod})
${sym}_lib${mod}_a_CPPFLAGS = \$(CPPFLAGS_builtin) \$(CPPFLAGS_${mod}) -DMODULE_NAME=${mod} -DMODULE_NAME_IS_${mod}
${sym}_lib${mod}_a_CFLAGS = \$(CFLAGS_builtin) \$(CFLAGS_${mod}) \$(${sym}_lib${mod}_a_CPPFLAGS)
${sym}_lib${mod}_a_CXXFLAGS = \$(CXXFLAGS_builtin) \$(CXXFLAGS_${mod}) \$(${sym}_lib${mod}_a_CPPFLAGS)
${sym}_lib${mod}_a_OBJCFLAGS = \$(OBJCFLAGS_builtin) \$(OBJCFLAGS_${mod}) \$(${sym}_lib${mod}_a_CPPFLAGS)

libvlc_LIBRARIES += \$(L_${mod}_b) \$(L_${mod}_pic)
lib${mod}_DATA = \$(D_${mod}_p)

lib${mod}dir = \$(libdir)/vlc/${topdir}
${PRIVATE}noinst_LIBRARIES += \$(L_${mod}_p)
${PRIVATE}${dir}/lib${mod}_plugin\$(LIBEXT): \$(${sym}_lib${mod}_plugin_a_OBJECTS)
${PRIVATE}	\$(${LINKER}) \$(${sym}_lib${mod}_plugin_a_OBJECTS) -shared \$(LDFLAGS_plugins) \$(LDFLAGS_${mod})


EOF
  done
done

echo "AM_CONDITIONAL(UNTRUE, false)" >> configure.ac
sed -n -e '/dnl do not touch this line/,//p' < configure.ac.in >> configure.ac

echo "done."

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

# remove autotools cruft
rm -f aclocal.m4 configure config.log
# remove old autotools extra cruft
rm -f config.guess config.sub missing mkinstalldirs compile depcomp install-sh
# remove new autotools extra cruft
(cd autotools && rm -f config.guess config.sub missing mkinstalldirs compile depcomp install-sh)
# remove libtool cruft
rm -f ltmain.sh libtool ltconfig
# remove gettext cruft
rm -f m4/oldgettext.m4 ABOUT-NLS
rm -Rf intl
# update m4 local macros
rm -f m4/vlc.m4 && echo "dnl  Private VLC macros" > m4/vlc.m4

# Check for gettext
if gettextize --version >/dev/null 2>&1
then
if expr `gettextize --version | sed -e '1s/[^0-9]*//' -e q` \
        '>' 0.11.2 >/dev/null 2>&1
then
  # We have gettext, and a recent version! Everything is cool.
  autopoint || exit 1
  GETTEXT=yes
else
  # User's gettext is too old. try to continue anyway.
  echo > ABOUT-NLS
  mkdir -p intl
  echo > intl/Makefile.am
  echo 'AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])' >> m4/vlc.m4
  GETTEXT=old
fi;else
  # we don't have gettext. grmbl. try to continue anyway.
  echo > ABOUT-NLS
  mkdir -p intl
  echo > intl/Makefile.am
  echo 'AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])' >> m4/vlc.m4
  GETTEXT=no
fi

# Check for pkg-config
if pkg-config --version >/dev/null 2>&1
then
  # We have pkg-config, everything is cool.
  PKGCONFIG=yes
else
  # Not present, use a workaround.
  echo 'AC_DEFUN([PKG_CHECK_MODULES], [])' > m4/vlc.m4
  PKGCONFIG=no
fi

# Check for automake
amvers="none"
if automake-1.7 --version >/dev/null 2>&1
then
  amvers="-1.7"
else
  if automake-1.6 --version >/dev/null 2>&1
  then
    amvers="-1.6"
    if expr "`automake-1.6 --version | sed -e '1s/[^0-9]*//' -e q`" "<=" "1.6.1" > /dev/null 2>&1
    then AUTOMAKESUCKS=yes
    fi
  else
    if automake-1.5 --version >/dev/null 2>&1
    then
      INSTALLSUCKS=yes
      amvers="-1.5"
    else
      if automake --version > /dev/null 2>&1
      then
        amvers=`automake --version | sed -e '1s/[^0-9]*//' -e q`
        case $amvers in
        1.6|1.6.0|1.6.1)
          AUTOMAKESUCKS=yes ;;
        1.5|1.5.*)
          INSTALLSUCKS=yes ;;
        esac

        if expr "$amvers" "<" "1.5" > /dev/null 2>&1
        then amvers="none"
        else amvers=""
        fi
      fi
    fi
  fi
fi

if test x$amvers = xnone
then
  set +x
  echo "you need automake version 1.5 or later"
  exit 1
fi

# Do the rest
aclocal${amvers} -I m4 || exit 1
autoheader || exit 1

automake${amvers} --add-missing --copy || PERLSUCKS=yes

case "$PERLSUCKS" in
  no)
  ;;
  yes)
    set +x
    cat << EOF

=======================================================================
IMPORTANT NOTE: automake failed, please check the error messages. If it
actually segfaulted, it might be because of insufficient stack size; set
the stack size to something bigger or unlimited (\`unlimit stacksize')
and try again.
EOF
    exit 1
  ;;
esac

# Wrap automake's long lines, because the Solaris sed doesn't support lines
# longer than 3999 characters, and ./configure calls sed. We use Perl instead
# of sed for obvious reasons :)
perl -ne 'if(/^.{500}/) {s/(.{200}[^ ]* )/$1\\\n\t/g} print $_' < Makefile.in > Makefile.in.tmp && mv Makefile.in.tmp Makefile.in

autoconf || exit 1

##
##  headers which need to be regenerated
##
rm -f src/misc/modules_builtin.h src/misc/modules_plugin.h
rm -f include/vlc_symbols.h
rm -f mozilla/vlcintf.h

##
##  Shut up
##
set +x

##
##  Tell the user about gettext, pkg-config and sed
##
case "$GETTEXT" in
  yes)
  ;;
  no)
    cat << EOF

===========================================================
IMPORTANT NOTE: you do not have gettext installed on your
system. The vlc build will work, but you will not have
internationalization support. We suggest installing gettext.
EOF
  ;;
  old)
    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 0.11.3 or later.
EOF
  ;;
esac

case "$PKGCONFIG" in
  yes)
  ;;
  no)
    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
  ;;
esac

case "$AUTOMAKESUCKS" in
  no)
  ;;
  yes)
    cat << EOF

=============================================================
IMPORTANT NOTE: your version of automake has a bug which will
prevent proper plugin compilation. Either compile VLC with
the --disable-plugins flag, or use a version of automake newer
than 1.6.1 (1.6.2 is OK, and so are the 1.5 series).
EOF
  ;;
esac

case "$INSTALLSUCKS" in
  no)
  ;;
  yes)
    cat << EOF

=============================================================
IMPORTANT NOTE: your version of automake has a bug which will
prevent proper installation. Do not use "make install" with this
version of automake, or use a version of automake newer than 1.5
(such as 1.6 or 1.7).
EOF
  ;;
esac

case "$SEDSUCKS" in
  no)
  ;;
  yes)
    cat << EOF

=============================================================
IMPORTANT NOTE: the version of 'sed' on your system is unable
to handle long lines. bootstrap will try its best to generate
a correct Makefile, but you should expect problems. We highly
recommend installing GNU sed.
EOF
  ;;
esac