#! /bin/sh

##  bootstrap file for the VLC media player
##  $Id$
##
##  Authors: Sam Hocevar <sam@zoy.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
##
AUTOMAKESUCKS=no
INSTALLSUCKS=no

ACLOCAL_ARGS="-I m4"

# Check for contrib directory
if test -d extras/contrib/bin; then
  export PATH=./extras/contrib/bin:$PATH
  ACLOCAL_ARGS="${ACLOCAL_ARGS} -I extras/contrib/share/aclocal"
  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
fi

# Check for automake
amvers="none"
if automake-1.8 --version >/dev/null 2>&1; then
  amvers="-1.8"
  # If we also have 1.6 (>> 1.6.1), use it instead because it is faster
  if automake-1.6 --version >/dev/null 2>&1; then
    if expr "`automake-1.6 --version | sed -e '1s/[^0-9]*//' -e q`" ">" "1.6.1" > /dev/null 2>&1; then
      amvers="-1.6"
    fi
  fi
elif automake-1.7 --version >/dev/null 2>&1; then
  amvers="-1.7"
  # If we also have 1.6 (>> 1.6.1), use it instead because it is faster
  if automake-1.6 --version >/dev/null 2>&1; then
    if expr "`automake-1.6 --version | sed -e '1s/[^0-9]*//' -e q`" ">" "1.6.1" > /dev/null 2>&1; then
      amvers="-1.6"
    fi
  fi
elif 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
elif automake-1.5 --version >/dev/null 2>&1; then
  INSTALLSUCKS=yes
  amvers="-1.5"
elif automake --version > /dev/null 2>&1; then
  amvers=""
  case "`automake --version | sed -e '1s/[^0-9]*//' -e q`" in
    0|0.*|1|1.[01234]|1.[01234][-.]*)
      amvers="none" ;;
    1.5|1.5.*)
      INSTALLSUCKS=yes ;;
    1.6|1.6.0|1.6.1)
      AUTOMAKESUCKS=yes ;;
  esac
fi

if test "${amvers}" = "none"; then
  set +x
  echo "you need automake version 1.5 or later"
  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 | 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
  # we don't have gettext. grmbl. try to continue anyway.
  autopoint=:
  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
  PKGCONFIG=no
fi

aclocal=aclocal${amvers}
automake=automake${amvers}
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 this is a no-op
AC_DEFUN([PKG_CHECK_MODULES], [:], [], [], [])

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

rm -f m4/private.m4-tmp1 && cat > m4/private.m4-tmp1 << EOF
dnl  The required AM_CONDITIONAL calls
dnl  XXX: too many conditionals make the build very slow, disabled them
AC_DEFUN([VLC_CONDITIONALS], [
EOF
rm -f m4/private.m4-tmp2 && cat > m4/private.m4-tmp2 << EOF
dnl  The required AC_SUBST calls
AC_DEFUN([VLC_SUBSTS], [
EOF
rm -f m4/private.m4-tmp3 && cat > m4/private.m4-tmp3 << EOF
dnl  The required AC_OUTPUT calls
dnl  XXX: this feature is only supported starting from automake-1.7
AC_DEFUN([VLC_MAKEFILES], [AC_OUTPUT([
EOF
rm -f m4/private.m4-tmp4 && cat > m4/private.m4-tmp4 << 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
SUBDIRS = `sed -ne 's,modules/\([^/]*\)/Makefile,\1,p' configure.ac | xargs`
#DIST_SUBDIRS = \$(SUBDIRS)
EOF

for dir in `sed -ne 's,modules/\(.*\)/Makefile,\1,p' configure.ac`
do
  printf "."
  mf="modules/${dir}/Modules.am"
  basedir="`echo "${dir}" | cut -f1 -d/`"
  # automake will not recurse for make dist if we don't define SUBDIRS = .
  subdirs="`sed -ne 's,'modules/${dir}'/\([^/]*\)/Makefile,\1,p' configure.ac | xargs`"
  rm -f modules/${dir}/Makefile.am && cat > modules/${dir}/Makefile.am << EOF

# Autogenerated by bootstrap - DO NOT EDIT - edit Modules.am instead

NULL =
libvlc_LIBRARIES =
noinst_LIBRARIES =
noinst_HEADERS =
EXTRA_DIST = Modules.am
BUILT_SOURCES =
SUBDIRS = ${subdirs}
#DIST_SUBDIRS = \$(SUBDIRS)
libvlcdir = \$(libdir)/vlc/${basedir}
include Modules.am

if BUILD_MOZILLA
if HAVE_WIN32
# There's no need for pic code on win32 so get rid of this to substantially
# reduce the compilation time.
pic = no
endif
else
pic = no
endif

clean-local:
	-rm -f *.a *.so *.dll *.sl *.dylib

all: all-modules
all-modules:
	@set fnord \$\$MAKEFLAGS; amf=\$\$2; targets=\`\\
	if test "\$(plugin)" != "no"; then z=\$\$(\$(VLC_CONFIG) --target plugin); for mod in `sed -n -e 's/^ *SOURCES_\([^ ]*\).*/\1/p' < ${mf} | xargs`; do case "\$\$z" in */lib\$\${mod}_plugin*) echo lib\$\${mod}_plugin\$(LIBEXT);; esac; done; fi; \\
	if test "\$(builtin)" != "no"; then z=\$\$(\$(VLC_CONFIG) --target builtin); for mod in `sed -n -e 's/^ *SOURCES_\([^ ]*\).*/\1/p' < ${mf} | xargs`; do case "\$\$z" in */lib\$\${mod}.a*) echo lib\$\${mod}.a;; esac; done; fi; \\
	if test "\$(pic)" != "no"; then z=\$\$(\$(VLC_CONFIG) --target builtin pic); for mod in `sed -n -e 's/^ *SOURCES_\([^ ]*\).*/\1/p' < ${mf} | xargs`; do case "\$\$z" in */lib\$\${mod}_pic.a*) echo lib\$\${mod}_pic.a;; esac; done; fi; \\
	\`; case "\$\$targets" in *lib*) \$(MAKE) \$(AM_MAKEFLAGS) \$\$targets || case "\$\$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; ;; esac; \\
	test -z "\$\$fail"

EOF
  for mod in `sed -n -e 's/^ *SOURCES_\([^ ]*\).*/\1/p' < ${mf}`
  do
    if grep '^SOURCES_'${mod}'.*=.*PRIVATE' < ${mf} >/dev/null 2>&1; then
        PRIVATE='#'; else
        PRIVATE=''; fi
    if grep '^nodist_SOURCES_'${mod}'' < ${mf} >/dev/null 2>&1; then
        NODIST=''; else
        NODIST='#'; fi
#    cat >> m4/private.m4-tmp1 << EOF
#dnl  AM_CONDITIONAL(${mod}_p, test x\$${mod}_p = xyes)
#dnl  AM_CONDITIONAL(${mod}_b, test x\$${mod}_b = xyes)
#EOF
    cat >> m4/private.m4-tmp4 << EOF
    ${mod}) list="\\\${list} ${dir}/lib${mod}" ;;
EOF
# Generation of modules/**/Makefile.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. because per-object CPPFLAGS does not seem to
#   work properly with any automake version I tested.
    cat >> modules/${dir}/Makefile.am << EOF
# The ${mod} plugin

EOF
    if [ "${NODIST}" != "#" ]; then cat >> modules/${dir}/Makefile.am << EOF
clean-local: clean-${mod}
clean-${mod}:
	-test -z "\$(nodist_SOURCES_${mod})" || rm -f \$(nodist_SOURCES_${mod})

EOF
    fi
    cat >> modules/${dir}/Makefile.am << EOF
if UNTRUE
L${mod}p = lib${mod}_plugin.a
D${mod}p = lib${mod}_plugin\$(LIBEXT)
L${mod}b = lib${mod}.a
L${mod}pic = lib${mod}_pic.a
EOF
    if [ "${NODIST}" != "#" ]; then cat >> modules/${dir}/Makefile.am << EOF
B${mod} = \$(nodist_SOURCES_${mod})
EOF
    fi
    cat >> modules/${dir}/Makefile.am << EOF
endif

EOF
    if [ "${NODIST}" != "#" ]; then cat >> modules/${dir}/Makefile.am << EOF
${PRIVATE}BUILT_SOURCES += \$(B${mod})
EOF
    fi
    cat >> modules/${dir}/Makefile.am << EOF
${PRIVATE}lib${mod}_plugin_a_SOURCES = \$(SOURCES_${mod})
EOF
    if [ "${NODIST}" != "#" ]; then cat >> modules/${dir}/Makefile.am << EOF
${PRIVATE}nodist_lib${mod}_plugin_a_SOURCES = \$(nodist_SOURCES_${mod})
EOF
    fi
    cat >> modules/${dir}/Makefile.am << EOF
lib${mod}_plugin_a_CFLAGS = \`\$(VLC_CONFIG) --cflags plugin ${mod}\`
lib${mod}_plugin_a_CXXFLAGS = \`\$(VLC_CONFIG) --cxxflags plugin ${mod}\`
lib${mod}_plugin_a_OBJCFLAGS = \`\$(VLC_CONFIG) --objcflags plugin ${mod}\`

lib${mod}_pic_a_SOURCES = ${PRIVATE}\$(SOURCES_${mod})
EOF
    if [ "${NODIST}" != "#" ]; then cat >> modules/${dir}/Makefile.am << EOF
nodist_lib${mod}_pic_a_SOURCES = ${PRIVATE}\$(nodist_SOURCES_${mod})
EOF
    fi
    cat >> modules/${dir}/Makefile.am << EOF
lib${mod}_pic_a_CFLAGS = \`\$(VLC_CONFIG) --cflags builtin pic ${mod}\`
lib${mod}_pic_a_CXXFLAGS = \`\$(VLC_CONFIG) --cxxflags builtin pic ${mod}\`
lib${mod}_pic_a_OBJCFLAGS = \`\$(VLC_CONFIG) --objcflags builtin pic ${mod}\`

lib${mod}_a_SOURCES = ${PRIVATE}\$(SOURCES_${mod})
EOF
    if [ "${NODIST}" != "#" ]; then cat >> modules/${dir}/Makefile.am << EOF
nodist_lib${mod}_a_SOURCES = ${PRIVATE}\$(nodist_SOURCES_${mod})
EOF
    fi
    cat >> modules/${dir}/Makefile.am << EOF
lib${mod}_a_CFLAGS = \`\$(VLC_CONFIG) --cflags builtin ${mod}\`
lib${mod}_a_CXXFLAGS = \`\$(VLC_CONFIG) --cxxflags builtin ${mod}\`
lib${mod}_a_OBJCFLAGS = \`\$(VLC_CONFIG) --objcflags builtin ${mod}\`

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)
${PRIVATE}lib${mod}_plugin\$(LIBEXT): \$(lib${mod}_plugin_a_OBJECTS)
${PRIVATE}	@case \`\$(VLC_CONFIG) --linkage ${mod}\` in \\
${PRIVATE}	  c++) echo \$(CXXLINK) \$(lib${mod}_plugin_a_OBJECTS) \\\`\$(VLC_CONFIG) --libs plugin ${mod}\\\` ; \$(CXXLINK) \$(lib${mod}_plugin_a_OBJECTS) \`\$(VLC_CONFIG) --libs plugin ${mod}\` ;; \\
${PRIVATE}	  objc) echo \$(OBJCLINK) \$(lib${mod}_plugin_a_OBJECTS) \\\`\$(VLC_CONFIG) --libs plugin ${mod}\\\` ; \$(OBJCLINK) \$(lib${mod}_plugin_a_OBJECTS) \`\$(VLC_CONFIG) --libs plugin ${mod}\` ;; \\
${PRIVATE}	  c|*) echo \$(LINK) \$(lib${mod}_plugin_a_OBJECTS) \\\`\$(VLC_CONFIG) --libs plugin ${mod}\\\` ; \$(LINK) \$(lib${mod}_plugin_a_OBJECTS) \`\$(VLC_CONFIG) --libs plugin ${mod}\` ;; \\
${PRIVATE}	esac


EOF
  done
done

cat >> m4/private.m4-tmp1 << EOF
  AM_CONDITIONAL(UNTRUE, false)
])
EOF
cat m4/private.m4-tmp1 >> m4/private.m4 && rm -f m4/private.m4-tmp1
cat >> m4/private.m4-tmp2 << EOF
])
EOF
cat m4/private.m4-tmp2 >> m4/private.m4 && rm -f m4/private.m4-tmp2
cat >> m4/private.m4-tmp3 << EOF
])])
EOF
cat m4/private.m4-tmp3 >> m4/private.m4 && rm -f m4/private.m4-tmp3
cat >> m4/private.m4-tmp4 << EOF
BLAH
])
EOF
cat m4/private.m4-tmp4 >> m4/private.m4 && rm -f m4/private.m4-tmp4

echo " done."

###
###  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 old vlc cruft
rm -f m4/oldgettext.m4 stamp-pic configure.ac.in Modules.am
# remove new 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

# Do the rest
${autopoint} -f
${aclocal} ${ACLOCAL_ARGS}
${autoconf}
${autoheader}
${automake} --add-missing --copy

##
##  files which need to be regenerated
##
rm -f vlc-config.in vlc-config
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 0.11.5 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