Config.cmake.in

##############################################################################
# @file  @CONFIG_FILE@
# @brief CMake package configuration file of BASIS.
#
# @note The @CONFIG_FILE@ file is automatically generated
#       by BASIS from the template file Config.cmake.in which is part of the
#       BASIS installation.
#
# @ingroup BasisConfig
##############################################################################

# ============================================================================
# namespace
# ============================================================================

@BASIS_NS@

# ----------------------------------------------------------------------------
macro (basis_set_config NAME)
  set (${NS}${NAME} ${ARGN})
endmacro ()

# ----------------------------------------------------------------------------
macro (basis_copy_config NAME SRC)
  set (${NS}${NAME} ${${NS}${SRC}})
endmacro ()

# ----------------------------------------------------------------------------
macro (basis_append_config NAME)
  list (APPEND ${NS}${NAME} ${ARGN})
endmacro ()

# ----------------------------------------------------------------------------
macro (basis_find_config NAME VALUE IDX)
  list (FIND ${NS}${NAME} "${VALUE}" ${IDX})
endmacro ()

# ----------------------------------------------------------------------------
macro (basis_remove_duplicates_config NAME)
  if (${NS}${NAME})
    list (REMOVE_DUPLICATES ${NS}${NAME})
  endif ()
endmacro ()

# ----------------------------------------------------------------------------
macro (basis_remove_item_config NAME ITEM)
  if (${NS}${NAME})
    list (REMOVE_ITEM ${NS}${NAME} "${ITEM}")
  endif ()
endmacro ()

# ----------------------------------------------------------------------------
if (NOT COMMAND basis_is_cached)
  macro (basis_is_cached VAR ENTRY)
    if (DEFINED ${ENTRY})
      get_property (${VAR} CACHE ${ENTRY} PROPERTY TYPE SET)
    else ()
      set (${VAR} FALSE)
    endif ()
  endmacro ()
endif ()

# ----------------------------------------------------------------------------
if (NOT COMMAND basis_set_or_update_value)
  macro (basis_set_or_update_value VAR)
    basis_is_cached (_CACHED ${VAR})
    if (_CACHED)
      if (${ARGC} GREATER 1)
        set_property (CACHE ${VAR} PROPERTY VALUE ${ARGN})
      else ()
        set (${VAR} "" CACHE INTERNAL "" FORCE)
      endif ()
    else ()
      set (${VAR} ${ARGN})
    endif ()
    unset (_CACHED)
  endmacro ()
endif ()

# ============================================================================
# general
# ============================================================================

## @brief Installation prefix or root of build tree.
basis_set_config (INSTALL_PREFIX "@INSTALL_PREFIX_CONFIG@")
get_filename_component (${NS}INSTALL_PREFIX "${${NS}INSTALL_PREFIX}" ABSOLUTE)

## @brief Project use file to be included by other projects.
basis_set_config (USE_FILE "${CMAKE_CURRENT_LIST_DIR}/@USE_FILE@")

## @brief Directory of example files.
basis_set_config (EXAMPLE_DIR "@EXAMPLE_DIR_CONFIG@")

# ============================================================================
# libraries
# ============================================================================

## @brief Directory of header files.
basis_set_config (INCLUDE_DIR "@INCLUDE_DIR_CONFIG@")

## @brief Directory of header files including dependencies.
basis_set_config    (INCLUDE_DIRS) # to have a set recognized by Doxygen filter
basis_copy_config   (INCLUDE_DIRS INCLUDE_DIR)
basis_append_config (INCLUDE_DIRS "@INCLUDE_DIRS_CONFIG@")

## @brief Directory of libraries.
basis_set_config (LIBRARY_DIR "@LIBRARY_DIR_CONFIG@")

## @brief Directory of libraries including dependencies.
basis_set_config    (LIBRARY_DIRS) # to have a set() recognized by Doxygen filter
basis_copy_config   (LIBRARY_DIRS LIBRARY_DIR)
basis_append_config (LIBRARY_DIRS "@LIBRARY_DIRS_CONFIG@")

## @brief Search path for Python modules.
basis_set_config (PYTHONPATH "@PYTHONPATH_CONFIG@")

## @brief Search path for Jython modules.
basis_set_config (JYTHONPATH "@JYTHONPATH_CONFIG@")

## @brief Search path for Perl modules.
basis_set_config (PERL5LIB "@PERL5LIB_CONFIG@")

## @brief Search path for MATLAB modules.
basis_set_config (MATLABPATH "@MATLABPATH_CONFIG@")

## @brief Search path for Bash modules.
#
# See the import() function of the BASIS Bash utilities.
basis_set_config (BASHPATH "@BASHPATH_CONFIG@")

# ============================================================================
# exports
# ============================================================================

## @brief Absolute path of exports file to be included by other projects.
basis_set_config (EXPORTS_FILE "${CMAKE_CURRENT_LIST_DIR}/@EXPORTS_FILE@")

## @brief Absolute path of custom exports file to be included by other projects.
basis_set_config (CUSTOM_EXPORTS_FILE "${CMAKE_CURRENT_LIST_DIR}/@CUSTOM_EXPORTS_FILE@")

# ============================================================================
# modules
# ============================================================================

## @brief Directory containing module configuration files
basis_set_config (MODULES_DIR "@MODULES_DIR_CONFIG@")

## @brief List of known project modules.
basis_set_config (MODULES "@PROJECT_MODULES@")

## @brief List of found requested modules.
basis_set_config (MODULES_FOUND)

## @brief List of not found optional modules.
basis_set_config (MODULES_NOTFOUND)

## @brief List of available project modules.
basis_set_config (MODULES_ENABLED)
file (GLOB _CONFIG_FILES "${${NS}MODULES_DIR}/@TOPLEVEL_PROJECT_PACKAGE_CONFIG_PREFIX@*Config.cmake")
foreach (_CONFIG_FILE IN LISTS _CONFIG_FILES)
  if (_CONFIG_FILE MATCHES "/@TOPLEVEL_PROJECT_PACKAGE_CONFIG_PREFIX@([^ /][^ /]*)Config.cmake")
    set (_MODULE_NAME ${CMAKE_MATCH_1})
    basis_append_config (MODULES         ${_MODULE_NAME})
    basis_append_config (MODULES_ENABLED ${_MODULE_NAME})
  endif ()
endforeach ()

basis_remove_duplicates_config (MODULES)
basis_remove_duplicates_config (MODULES_ENABLED)

unset (_CONFIG_FILES)
unset (_CONFIG_FILE)

## @brief List of modules requested by external package using the
#         @c COMPONENTS argument of
#         <a href="http://www.cmake.org/cmake/help/cmake-2-8-docs.html#command:find_package">
#         find_package()</a>.
if (NOT DEFINED ${NS}MODULES_REQUESTED)
  if (${NS}FIND_COMPONENTS)
    basis_copy_config (MODULES_REQUESTED FIND_COMPONENTS)
  endif ()
  if (NOT ${NS}MODULES_REQUESTED)
    basis_copy_config (MODULES_REQUESTED MODULES_ENABLED)
  endif ()
endif ()
basis_remove_duplicates_config (MODULES_REQUESTED)

set (_PACKAGE_NS "${NS}")
foreach (_MODULE_NAME IN LISTS ${NS}MODULES_REQUESTED)
  # check if requested module is available
  basis_find_config (MODULES_ENABLED ${_MODULE_NAME} _MODULE_IDX)
  if (_MODULE_IDX EQUAL -1)
    # set <Pkg>_<Module>_FOUND = FALSE
    basis_set_config (${_MODULE_NAME}_FOUND FALSE)
    # append to list of not found requested modules
    basis_append_config (MODULES_NOTFOUND ${_MODULE_NAME})
  else ()
    set (_MODULE_NS "${NS}${_MODULE_NAME}_")
    # include configuration file of module
    set (${_MODULE_NAME}_CONFIG_PREFIX "${_MODULE_NS}")
    include ("${${NS}MODULES_DIR}/@TOPLEVEL_PROJECT_PACKAGE_CONFIG_PREFIX@${_MODULE_NAME}Config.cmake")
    unset (${_MODULE_NAME}_CONFIG_PREFIX)
    set (NS "${_PACKAGE_NS}") # restore NS of this package config
    # append include directories
    if (${_MODULE_NS}INCLUDE_DIRS)
      basis_append_config (INCLUDE_DIRS ${${_MODULE_NS}INCLUDE_DIRS})
    elseif (${_MODULE_NS}INCLUDE_DIR)
      basis_append_config (INCLUDE_DIRS ${${_MODULE_NS}INCLUDE_DIR})
    endif ()
    # append library directories
    if (${_MODULE_NS}LIBRARY_DIRS)
      basis_append_config (LIBRARY_DIRS ${${_MODULE_NS}LIBRARY_DIRS})
    elseif (${_MODULE_NS}LIBARY_DIR)
      basis_append_config (LIBRARY_DIRS ${${_MODULE_NS}LIBRARY_DIR})
    endif ()
    # set <Pkg>_<Module>_FOUND = TRUE
    basis_set_config (${_MODULE_NAME}_FOUND TRUE)
    # append to list of found requested modules
    basis_append_config (MODULES_FOUND ${_MODULE_NAME})
  endif ()
endforeach ()
unset (_PACKAGE_NS)

if (${NS}MODULES_NOTFOUND)
  set (_REQUIRED)
  set (_OPTIONAL)
  set (_MISSING)
  foreach (_MODULE_NAME IN LISTS ${NS}MODULES_REQUESTED)
    if (${NS}FIND_REQUIRED_${_MODULE_NAME})
      list (APPEND _REQUIRED ${_MODULE_NAME})
      if (NOT ${NS}${_MODULE_NAME}_FOUND)
        list (APPEND _MISSING ${_MODULE_NAME})
      endif ()
    else ()
      list (APPEND _OPTIONAL ${_MODULE_NAME})
    endif ()
  endforeach ()
  if (_MISSING)
    message(FATAL_ERROR "Could not find all required @PROJECT_NAME@ components!"
                        " Rebuild and/or install the @PROJECT_NAME@ package with"
                        " the following modules enabled by setting MODULE_<name>"
                        " to ON when configuring the build of the package with CMake."
                        "\nOptional modules = [${_OPTIONAL}]"
                        "\nRequired modules = [${_REQUIRED}]"
                        "\nMissing  modules = [${_MISSING}]\n")
  endif ()
  unset (_REQUIRED)
  unset (_OPTIONAL)
  unset (_MISSING)
endif ()

unset (_MODULE_NAME)
unset (_MODULE_IDX)
unset (_MODULE_NS)

# ============================================================================
# clean INCLUDE_DIRS and LIBRARY_DIRS
# ============================================================================

basis_remove_duplicates_config (INCLUDE_DIR)
basis_remove_duplicates_config (INCLUDE_DIRS)
basis_remove_duplicates_config (LIBRARY_DIR)
basis_remove_duplicates_config (LIBRARY_DIRS)

basis_remove_item_config (INCLUDE_DIRS "")
basis_remove_item_config (LIBRARY_DIRS "")

# ============================================================================
# dependencies
# ============================================================================

@DEPENDS_CONFIG@