# swig/CMakeLists.txt

# Configure the build of swig.

# N.B. this file is generated so if you edit it you will lose all your
# changes the next time it is generated (typically by running
# either/both the update_added_packages.sh or update_pango_packages.sh
# scripts).  If those scripts do not provide good results, then
# consider changing their source files (e.g., by editing the files
# used in those scripts) or add a patch to be run by those scripts.

# Copyright (C) 2013-2015  Alan W. Irwin

# This file is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# This file 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
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with this file; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

set(PACKAGE swig)

# List of dependencies (most of which are build tools) which should be
# ignored.
set(ignored_dependencies_LIST pkg-config;bison;flex;python2-devel;libXft ${extra_ignored_dependencies_list})

set(dependencies_LIST libpcre)

# Do boilerplate tasks that must be done for each different project
# that is configured as part of epa_build.
epa_boilerplate(
  ignored_dependencies_LIST
  PACKAGE
  dependencies_LIST
  dependencies_targets
  EPA_PATH
  source_PATH
  )

if(MSYS_PLATFORM)
  set(CFLAGS "$ENV{CFLAGS}")
else(MSYS_PLATFORM)
  set(CFLAGS "$ENV{CFLAGS}")
endif(MSYS_PLATFORM)

set(CXXFLAGS "$ENV{CXXFLAGS}")

# Drop -fvisibility=hidden since that option does not work for a
# number of software packages that are configured automatically using
# this template.
string(REGEX REPLACE "-fvisibility=hidden" "" CFLAGS "${CFLAGS}")
string(REGEX REPLACE "-fvisibility=hidden" "" CXXFLAGS "${CXXFLAGS}")

# Data that is related to downloads.
set(URL http://downloads.sourceforge.net/swig/swig/swig-3.0.6/swig-3.0.6.tar.gz)
set(DOWNLOAD_HASH_TYPE SHA256)
set(DOWNLOAD_HASH c67f63ea11956106e4cda66416d5020330dc4ce2ee45057d39a9494ce33eca05)

ExternalProject_Add(
  build_${PACKAGE}
  DEPENDS ${dependencies_targets}
  URL ${URL}
  URL_HASH ${DOWNLOAD_HASH_TYPE}=${DOWNLOAD_HASH}
  PATCH_COMMAND ""
  CONFIGURE_COMMAND ${ENV_EXECUTABLE} PATH=${EPA_PATH} "CFLAGS=${CFLAGS}" "CXXFLAGS=${CXXFLAGS}" "LDFLAGS=-Wl,-rpath -Wl,${EPA_CMAKE_INSTALL_PREFIX}/lib" ${source_PATH}/${EPA_CONFIGURE_COMMAND} --with-pcre-prefix=${EPA_CMAKE_INSTALL_PREFIX} --with-maximum-compile-warnings=no
  BUILD_COMMAND ${ENV_EXECUTABLE} PATH=${EPA_PATH} ${EPA_PARALLEL_MAKE_COMMAND}
  BUILD_IN_SOURCE OFF
  INSTALL_COMMAND ${ENV_EXECUTABLE} PATH=${EPA_PATH} ${EPA_PARALLEL_MAKE_COMMAND} install
  )

add_custom_command(
  OUTPUT
  ${EPA_BASE}/Stamp/build_${PACKAGE}/build_${PACKAGE}-patch
  COMMAND ${CMAKE_COMMAND} -E echo
  "Provide swig-3.0.x support for octave-4.0.0"
  COMMAND ${PATCH_EXECUTABLE} --directory=${EPA_BASE}/Source/build_${PACKAGE} -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/octave-4.0.0.patch
  APPEND
  )