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cmake_minimum_required(VERSION 3.14)
include_guard(GLOBAL)
function(process_CGAL_subdirectory entry subdir type_name)
# For example, subdir can be "examples", type_name "example", and entry "Mesh_2"
get_filename_component(ENTRY_DIR_NAME "${entry}" NAME)
if( NOT "${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}") # out-of-source
make_directory("${CMAKE_BINARY_DIR}/${subdir}/${ENTRY_DIR_NAME}")
endif()
message("-- Configuring ${subdir} in ${subdir}/${ENTRY_DIR_NAME}")
set(source_dir "")
if(EXISTS ${entry}/CMakeLists.txt)
set(source_dir ${entry})
else()
if(CGAL_CREATE_CMAKE_SCRIPT)
execute_process(
COMMAND bash ${CGAL_CREATE_CMAKE_SCRIPT} ${type_name} --source_dir "${entry}"
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/${subdir}/${ENTRY_DIR_NAME}"
RESULT_VARIABLE RESULT_VAR OUTPUT_VARIABLE OUTPUT_VAR ERROR_VARIABLE ERROR_VAR)
if(RESULT_VAR)
message(AUTHOR_WARNING "Error with ${CGAL_CREATE_CMAKE_SCRIPT} ${type_name} --source_dir ${entry}\n${OUTPUT_VAR}\n${ERROR_VAR}")
else()
set(source_dir "${CMAKE_BINARY_DIR}/${subdir}/${ENTRY_DIR_NAME}")
endif()
endif()
endif()
if(source_dir)
add_subdirectory( "${source_dir}" "${CMAKE_BINARY_DIR}/${subdir}/${ENTRY_DIR_NAME}" EXCLUDE_FROM_ALL)
endif()
endfunction()
function(CGAL_handle_subdirectories subdir_name plural_name)
string(TOUPPER "${plural_name}" plural_name_upper)
if("${plural_name}" MATCHES "s$")
string(LENGTH "${plural_name}" plural_name_length)
math(EXPR plural_name_length_minus_one "${plural_name_length} - 1")
string(SUBSTRING "${plural_name}" 0 "${plural_name_length_minus_one}" singular_name)
else()
set(singular_name "${plural_name}")
endif()
project(CGAL_${plural_name_upper})
if(CGAL_BRANCH_BUILD)
foreach(package ${CGAL_CONFIGURED_PACKAGES})
#message (STATUS "Current package: ${package}")
file(GLOB listtmp "${package}/${subdir_name}/*")
list(APPEND list CONFIGURE_DEPENDS ${listtmp})
endforeach()
else()
file(GLOB list "${subdir_name}/*")
endif()
if(NOT list)
return()
endif()
list(SORT list)
message("== Generating build files for ${plural_name} ==")
foreach(entry ${list})
if(NOT ${entry} MATCHES ".*\\.svn\$" AND IS_DIRECTORY ${entry})
file(GLOB files "${entry}/*.cpp")
# If there is no .cpp files, ignore the sub-directory
if(files)
process_CGAL_subdirectory("${entry}" ${subdir_name} ${singular_name})
endif()
endif()
endforeach()
message("== Generating build files for ${plural_name} (DONE) ==\n")
endfunction()
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