#
# Copyright 2010 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# This is sourced by run_guile_tests to establish the environment
# variables required to run the tests in the build tree.

# add_local_paths is the only "public" function in this file

# 1st argument is absolute path to hand coded guile source directory
# 2nd argument is absolute path to component C++ shared library build directory
# 3nd argument is absolute path to component SWIG build directory

add_local_paths() {
  if [ $# -ne 3 ]
  then
    echo "$0: requires 3 args" 1>&2
    exit 1
  fi

  # Add local dirs to the front
  prepend_to_guile_load_path "$1"
  prepend_to_libpath "$2/.libs"
  [ "$2" != "$3" ] && prepend_to_libpath "$3/.libs"
  prepend_to_guile_load_path "$3"

  # Add withdirs to the end
  append_to_guile_load_path "@with_GUILE_LOAD_PATH@"
  append_to_libpath "@with_LIBDIRPATH@"
}

# ------------------------------------------------------------------------

abs_top_srcdir=@abs_top_srcdir@
abs_top_builddir=@abs_top_builddir@

# usage: prepend <path-varname> <dir>
prepend() {
  if [ $# -ne 2 ]
  then
    echo "$0: prepend needs 2 args" 1>&2
    exit 1
  fi
  local path="$1" dir="$2" contents=""
  eval "contents=\$$path"
  if [ "$dir" != "" ]
  then
    if [ "$contents" = "" ]
    then
      eval "$path=\"$dir\""
    else
      eval "$path=\"$dir:$contents\""
    fi
  fi
  #echo end-of-prepend: $path=${!path}
}

# usage: append <path-varname> <dir>
append() {
  if [ $# -ne 2 ]
  then
    echo "$0: append needs 2 args" 1>&2
    exit 1
  fi
  local path="$1" dir="$2" contents=""
  eval "contents=\$$path"
  if [ "$dir" != "" ]
  then
    if [ "$contents" = "" ]
    then
      eval "$path=\"$dir\""
    else
      eval "$path=\"$contents:$dir\""
    fi
  fi
  #echo end-of-append: $path=${!path}
}

prepend_to_guile_load_path() {
    prepend GUILE_LOAD_PATH "$1"
    export GUILE_LOAD_PATH
}

append_to_guile_load_path() {
    append GUILE_LOAD_PATH "$1"
    export GUILE_LOAD_PATH
}

prepend_to_libpath() {
    prepend LTDL_LIBRARY_PATH "$1"
    export LTDL_LIBRARY_PATH
    case "@host_os@" in
	darwin*)
	    prepend DYLD_LIBRARY_PATH "$1"
	    export DYLD_LIBRARY_PATH
	    ;;
	cygwin*|win*|mingw*)
	    prepend PATH "$1"
	    export PATH
	    ;;
    esac
}

append_to_libpath() {
    append LTDL_LIBRARY_PATH "$1"
    export LTDL_LIBRARY_PATH
    case "@host_os@" in
	darwin*)
	    append DYLD_LIBRARY_PATH "$1"
	    export DYLD_LIBRARY_PATH
	    ;;
	cygwin*|win*|mingw*)
	    append PATH "$1"
	    export PATH
	    ;;
    esac
}

# ------------------------------------------------------------------------
# Everybody gets gruel and gnuradio-core for free.
# FIXME Eventually this should be gruel and gnuradio-runtime.
# ------------------------------------------------------------------------

# Where to search for not yet installed C++ shared libraries
prepend_to_libpath $abs_top_builddir/gruel/src/lib/.libs
prepend_to_libpath $abs_top_builddir/gnuradio-core/src/lib/.libs

# Where to search for not yet installed swig generated guile libs
prepend_to_libpath $abs_top_builddir/gnuradio-core/src/lib/swig/.libs

# Where to seach for guile code.
prepend_to_guile_load_path $abs_top_srcdir/gnuradio-core/src/guile
prepend_to_guile_load_path $abs_top_builddir/gnuradio-core/src/lib/swig


export GUILE_WARN_DEPRECATED=no