#!/usr/bin/env bash
# Run this to generate all the initial makefiles, etc.
# Ripped off from GNOME macros version

DIE=0

srcdir=`dirname $0`
test -z "$srcdir" && srcdir=.

if [ -n "$MONO_PATH" ]; then
	# from -> /mono/lib:/another/mono/lib
	# to -> /mono /another/mono
	for i in `echo ${MONO_PATH} | tr ":" " "`; do
		i=`dirname ${i}`
		if [ -n "{i}" -a -d "${i}/share/aclocal" ]; then
			ACLOCAL_FLAGS="-I ${i}/share/aclocal $ACLOCAL_FLAGS"
		fi
		if [ -n "{i}" -a -d "${i}/bin" ]; then
			PATH="${i}/bin:$PATH"
		fi
	done
	export PATH
fi

(autoconf --version) < /dev/null > /dev/null 2>&1 || {
  echo
  echo "**Error**: You must have \`autoconf' installed to compile Mono."
  echo "Download the appropriate package for your distribution,"
  echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
  DIE=1
}

if [ -z "$LIBTOOLIZE" ]; then
  LIBTOOLIZE=`which glibtoolize 2>/dev/null`
  if [ ! -x "$LIBTOOLIZE" ]; then
    LIBTOOLIZE=`which libtoolize`
  fi
fi

(grep "^AM_PROG_LIBTOOL" $srcdir/configure.ac >/dev/null) && {
  ($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1 || {
    echo
    echo "**Error**: You must have \`libtoolize' installed to compile Mono."
    echo "Get ftp://ftp.gnu.org/gnu/libtool/libtool-1.2.tar.gz"
    echo "(or a newer version if it is available)"
    DIE=1
  }
}

grep "^AM_GNU_GETTEXT" $srcdir/configure.ac >/dev/null && {
  grep "sed.*POTFILES" $srcdir/configure.ac >/dev/null || \
  (gettext --version) < /dev/null > /dev/null 2>&1 || {
    echo
    echo "**Error**: You must have \`gettext' installed to compile Mono."
    echo "Get ftp://alpha.gnu.org/gnu/gettext-0.10.35.tar.gz"
    echo "(or a newer version if it is available)"
    DIE=1
  }
}

(automake --version) < /dev/null > /dev/null 2>&1 || {
  echo
  echo "**Error**: You must have \`automake' installed to compile Mono."
  echo "Get ftp://ftp.gnu.org/pub/gnu/automake-1.3.tar.gz"
  echo "(or a newer version if it is available)"
  DIE=1
  NO_AUTOMAKE=yes
}


# if no automake, don't bother testing for aclocal
test -n "$NO_AUTOMAKE" || (aclocal --version) < /dev/null > /dev/null 2>&1 || {
  echo
  echo "**Error**: Missing \`aclocal'.  The version of \`automake'"
  echo "installed doesn't appear recent enough."
  echo "Get ftp://ftp.gnu.org/pub/gnu/automake-1.3.tar.gz"
  echo "(or a newer version if it is available)"
  DIE=1
}

if test "$DIE" -eq 1; then
  exit 1
fi

if test x$NOCONFIGURE = x && test -z "$*"; then
  echo "**Warning**: I am going to run \`configure' with no arguments."
  echo "If you wish to pass any to it, please specify them on the"
  echo \`$0\'" command line."
  echo
fi

am_opt="--add-missing --copy --gnu -Wno-portability -Wno-obsolete"

case $CC in
xlc )
  am_opt="$am_opt --include-deps";;
esac


if grep "^AM_PROG_LIBTOOL" configure.ac >/dev/null; then
  if test -z "$NO_LIBTOOLIZE" ; then 
    echo "Running libtoolize..."
    $LIBTOOLIZE --force --copy
  fi
fi

# Parse parameters
has_ext_mod=false
ext_mod_args=''
has_disable_boehm=false
for PARAM; do
    if [[ $PARAM =~ "--enable-extension-module" ]] ; then
        has_ext_mod=true
        if [[ $PARAM =~ "=" ]] ; then
            ext_mod_args=`echo $PARAM | cut -d= -f2`
        fi
    fi
    if [[ $PARAM =~ "--disable-boehm" ]] ; then
      has_disable_boehm=true
    fi
done

#
# Plug in the extension module
#
if test x$has_ext_mod = xtrue; then
	pushd $top_srcdir../mono-extensions/scripts
	sh ./prepare-repo.sh $ext_mod_args || exit 1
	popd
else
	cat mono/mini/Makefile.am.in > mono/mini/Makefile.am
fi


echo "Running aclocal -I m4 -I . $ACLOCAL_FLAGS ..."
aclocal -Wnone -I m4 -I . $ACLOCAL_FLAGS || {
  echo
  echo "**Error**: aclocal failed. This may mean that you have not"
  echo "installed all of the packages you need, or you may need to"
  echo "set ACLOCAL_FLAGS to include \"-I \$prefix/share/aclocal\""
  echo "for the prefix where you installed the packages whose"
  echo "macros were not found"
  exit 1
}

if grep "^AC_CONFIG_HEADERS" configure.ac >/dev/null; then
  echo "Running autoheader..."
  autoheader || { echo "**Error**: autoheader failed."; exit 1; }
fi

echo "Running automake $am_opt ..."
automake $am_opt ||
  { echo "**Error**: automake failed."; exit 1; }
echo "Running autoconf ..."
autoconf || { echo "**Error**: autoconf failed."; exit 1; }

# Update all submodules recursively to ensure everything is checked out
if test -e $srcdir/scripts/update_submodules.sh; then
  (cd $srcdir && scripts/update_submodules.sh)
fi

if test x$has_disable_boehm = xfalse -a -d $srcdir/external/bdwgc; then
  echo Running external/bdwgc/autogen.sh ...
  (cd $srcdir/external/bdwgc ; NOCONFIGURE=1 ./autogen.sh "$@")
  echo Done running external/bdwgc/autogen.sh ...
fi

if test x$MONO_EXTRA_CONFIGURE_FLAGS != x; then
	echo "MONO_EXTRA_CONFIGURE_FLAGS is $MONO_EXTRA_CONFIGURE_FLAGS"
fi

host_conf_flag=
build_uname_all=`(uname -a) 2>/dev/null`
case "$build_uname_all" in
CYGWIN*)
  if [[ "$@" != *"--host="* ]]; then
	  echo "Missing --host parameter, configure using ./configure --host=i686-w64-mingw32 or --host=x86_64-w64-mingw32"
	  echo "Falling back using --host=x86_64-w64-mingw32 as default."
    host_conf_flag="--host=x86_64-w64-mingw32"
  fi
	;;
esac

conf_flags="$MONO_EXTRA_CONFIGURE_FLAGS --enable-maintainer-mode --enable-compile-warnings $host_conf_flag" #--enable-iso-c

if test x$NOCONFIGURE = x; then
  echo Running $srcdir/configure $conf_flags "$@" ...
  $srcdir/configure $conf_flags "$@" \
  && echo Now type \`make\' to compile $PKG_NAME || exit 1
else
  echo Skipping configure process.
fi