gen_LofarPackageList_cmake.sh

#!/bin/sh
#
#  gen_LofarPackageList.cmake.sh: generate file LofarPackageList.cmake
#
#  Copyright (C) 2009
#  ASTRON (Netherlands Foundation for Research in Astronomy)
#  P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, softwaresupport@astron.nl
#
#  This program 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 2 of the License, or
#  (at your option) any later version.
#
#  This program 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, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#  $Id$

# This script generates the file LofarPackageList.cmake, which initializes the
# <pkg>_SOURCE_DIR variables for each LOFAR package.


# Get the LOFAR source directory root
script_dir=$(cd $(dirname $0) && pwd)
lofar_root=$script_dir/..

# Just a safety net; this script must be inside the LOFAR tree.
#if test "$script_dir" = "$lofar_root"; then
#  echo "ERROR: $(basename $0) MUST be inside the LOFAR source tree!"
#  exit 1
#fi

# Open the output file
exec 3> $script_dir/LofarPackageList.cmake

# Write header
cat >&3 <<EOF
# - Create for each LOFAR package a variable containing the absolute path to
# its source directory. 
#
# Generated by $(basename $0) at $(date)
#
#                      ---- DO NOT EDIT ----
#
# ATTENTION: This file must be included BEFORE calling the lofar_package()
# macro; either directly, or indirectly.
#
# NOTE: This file must be kept up-to-date when LOFAR packages are added,
# moved, or deleted. You can use gen_LofarPackageList_cmake.sh to regenerate
# this file.
#
if(NOT DEFINED LOFAR_PACKAGE_LIST_INCLUDED)
  set(LOFAR_PACKAGE_LIST_INCLUDED TRUE)
EOF

# Guarantee we always sort the same way by setting the collate order to C.
export LC_COLLATE="C"

# Set internal field separator (IFS) to newline only.
IFS='
'

# Add a trailing slash to the directory path $lofar_root to ensure that, if
# it is a symbolic link, it is translated to the directory it links to.
for f in $(find $lofar_root/ -name CMakeLists.txt | sort)
do
  # get directory name relative to $lofar_root
  bdir=$(dirname $f | sed "s|$lofar_root/\?||")
  # Search for the lofar_add_package() command, which looks like:
  # lofar_add_package (MyPackage [MyPackageDir])
  for pkg in $(sed -n "s|^[[:space:]]*[Ll][Oo][Ff][Aa][Rr]_[Aa][Dd][Dd]_[Pp][Aa][Cc][Kk][Aa][Gg][Ee][[:space:]]*([[:space:]]*\([^)]\+\)).*$|\1|p" $f)
  do
    # Strip optional command options to lofar_add_package()
    pkg=$(echo $pkg | sed "s|[[:space:]]\+REQUIRED||")
    # First argument is the package name
    pkgnam=$(echo $pkg | sed "s|[[:space:]].*||")
    # Continue with next package if package name is a variable
    if echo $pkgnam | grep "\${.*}" > /dev/null; then 
      continue;
    fi
    # Remaining part is the package source dir
    pkgdir=$(echo $pkg | sed -e "s|[^[:space:]]\+[[:space:]]\+||")
    # Prefix pkgdir with bdir unless bdir is empty
    pkgdir=${bdir:+$bdir/}$pkgdir
    echo >&3 "  set(${pkgnam}_SOURCE_DIR \${CMAKE_SOURCE_DIR}/${pkgdir})"
  done
done
echo >&3 "endif(NOT DEFINED LOFAR_PACKAGE_LIST_INCLUDED)"

# Close the output file
exec 3>&-