CMakeLists.txt

# ============================================================================
# Medical Image Registration ToolKit (MIRTK)
#
# Copyright 2013-2016 Imperial College London
# Copyright 2013-2016 Andreas Schuh
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================

##############################################################################
# @file  CMakeLists.txt
# @brief Root build configuration file.
#
# @note This package utilizes <a href="http://opensource.andreasschuh.com/cmake-basis">CMake BASIS</a>.
#
##############################################################################

# ----------------------------------------------------------------------------
# Minimum required CMake version
cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)

# ----------------------------------------------------------------------------
# Include BASIS policies, settings, macros, and functions
set(BASIS_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake/Basis")
set(MIRTK_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake/Modules")
set(CMAKE_MODULE_PATH "${MIRTK_MODULE_PATH}" "${BASIS_MODULE_PATH}")

include(mirtkPolicies NO_POLICY_SCOPE)

include(BasisSettings)
include(BasisTools)
include(mirtkTools)

# ----------------------------------------------------------------------------
# Configure build system

# Initialize project
mirtk_project_begin()

# Main "mirtk" script
#
# This wrapper script sets up the environment and executes the specified
# subcommand. Do not use mirtk_add_executable which is only used for
# commands that are executed by this wrapper script.
if (BUILD_APPLICATIONS)
  basis_add_executable("${PROJECT_TOOLS_DIR}/mirtk.py")
endif ()

# Add auxiliary command used to (re-)format help output
#
# Note: Added as first application because mirtk_add_executable adds a
#       dependency on this target for each command to generate the documentation
#       when BUILD_DOCUMENTATION is ON.
if (BUILD_APPLICATIONS)
  basis_add_executable(help-rst "${PROJECT_TOOLS_DIR}/help-rst.py" LIBEXEC)
  basis_set_target_properties(help-rst PROPERTIES OUTPUT_NAME "mirtk-help-rst")
  basis_set_project_property(APPEND PROPERTY MIRTK_COMMANDS help-rst)
  basis_add_dependencies(help-rst mirtk)
endif ()

# Process modules
foreach (MODULE IN LISTS PROJECT_MODULES_ENABLED)
  basis_add_module(${MODULE})
  basis_use_module(${MODULE})
endforeach ()

# Process subdirectories
foreach (SUBDIR IN LISTS PROJECT_SUBDIRS)
  basis_add_subdirectory(${SUBDIR})
endforeach ()

# Install CMake modules
basis_add_subdirectory(CMake)

# Finalize project
mirtk_project_end()

# ------------------------------------------------------------------------------
# Generate Bash completions file
if (UNIX)
  get_property(COMMANDS GLOBAL PROPERTY MIRTK_COMMANDS)
  list(REMOVE_ITEM COMMANDS help-rst)
  if (COMMANDS)
    message(STATUS "Writing Bash completions script...")
    basis_list_to_delimited_string(COMMANDS " " ${COMMANDS})
    file(WRITE "${PROJECT_BINARY_DIR}/share/completion/bash/mirtk"
"
# Auto-generated by MIRTK root CMakeLists.txt during CMake configure.
#
# To enable Bash completion of \"mirtk\" subcommands, add the following to your
# ~/.bashrc (Linux) or ~/.bash_profile (OS X) file:
#
#   [ ! -f \"\$MIRTK_ROOT/share/completion/bash/mirtk\" ] ||
#   source \"\$MIRTK_ROOT/share/completion/bash/mirtk\"
#   [ ! -f \"\$MIRTK_ROOT/share/mirtk/completion/bash/mirtk\" ] ||
#   source \"\$MIRTK_ROOT/share/mirtk/completion/bash/mirtk\"
#
# Alternatively, copy this file to:
# - /etc/bash_completion.d/ (Linux)
# - \$(brew --prefix)/etc/bash_completion.d/ (OS X, Homebrew)
#
_mirtk_complete()
{
  local commands='${COMMANDS}'
  local noreply='true'
  if [ \$COMP_CWORD -eq 2 ]; then
    if [ \${COMP_WORDS[1]} = help ] || [ \${COMP_WORDS[1]} = help-rst ]; then
      COMPREPLY=( `compgen -W \"\$commands\" -- \${COMP_WORDS[COMP_CWORD]}` )
      noreply='false'
    fi
  elif [ \$COMP_CWORD -eq 1 ]; then
    COMPREPLY=( `compgen -W \"help help-rst \$commands\" -- \${COMP_WORDS[COMP_CWORD]}` )
    noreply='false'
  fi
  if [ \$noreply = true ]; then
    local IFS=$'\n'
    COMPREPLY=(`compgen -o plusdirs -f -- \"\${COMP_WORDS[COMP_CWORD]}\"`)
    compopt -o filenames +o nospace 2>/dev/null || compgen -f /non-existing-dir/ > /dev/null
  fi
}
complete -F _mirtk_complete mirtk
"
    )
    file(WRITE "${PROJECT_BINARY_DIR}/share/completion/bash/docker-mirtk"
"
# Auto-generated by MIRTK root CMakeLists.txt during CMake configure.
#
# To enable Bash completion for \"docker run [options] <user>/mirtk\" subcommands:
#
# - On Linux:
#   - Copy this file to /etc/bash_completion.d/:
#
# - On OS X with Homebrew:
#   - brew install bash-completion
#   - curl -L https://raw.githubusercontent.com/docker/docker/master/contrib/completion/bash/docker > \$(brew --prefix)/etc/bash_completion.d/docker
#   - Copy this file to \$(brew --prefix)/etc/bash_completion.d/:
#
_docker_mirtk()
{
  local commands='${COMMANDS}'
  local noreply='true'
  local nodocker='false'
  if [ \$COMP_CWORD -gt 2 ] && [ \${COMP_WORDS[1]} = run ]; then
    local i
    let i=\$COMP_CWORD-1
    if [ \${COMP_WORDS[i]/*\\//} = mirtk ]; then
      COMPREPLY=( `compgen -W \"help help-rst \$commands\" -- \${COMP_WORDS[COMP_CWORD]}` )
      nodocker='true'
      noreply='false'
    elif [ \${COMP_WORDS[i]} = help ]; then
      let i=\$i-1
      if [ \${COMP_WORDS[i]/*\\//} = mirtk ]; then
        COMPREPLY=( `compgen -W \"\$commands\" -- \${COMP_WORDS[COMP_CWORD]}` )
        nodocker='true'
        noreply='false'
      fi
    else
      local word
      for word in \${COMP_WORDS[@]}; do
        if [ \${word/*\\//} = mirtk ]; then
          nodocker='true'
          noreply='true'
        fi
      done
    fi
  fi
  if [ \$nodocker = false ]; then
    # call docker completion function instead
    # https://raw.githubusercontent.com/docker/docker/master/contrib/completion/bash/docker
    declare -f _docker > /dev/null
    if [ \$? -eq 0 ]; then
      _docker
      noreply='false'
    fi
  fi
  if [ \$noreply = true ]; then
    local IFS=$'\n'
    COMPREPLY=(`compgen -o plusdirs -f -- \"\${COMP_WORDS[COMP_CWORD]}\"`)
    compopt -o filenames +o nospace 2>/dev/null || compgen -f /non-existing-dir/ > /dev/null
  fi
}
complete -F _docker_mirtk docker
"
    )
    install(
      FILES
        "${PROJECT_BINARY_DIR}/share/completion/bash/mirtk"
        "${PROJECT_BINARY_DIR}/share/completion/bash/docker-mirtk"
      DESTINATION
        "${INSTALL_SHARE_DIR}/completion/bash"
    )
    message(STATUS "Writing Bash completions script... done")
  endif ()
endif ()