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include(GNUInstallDirs)
# Set the options for the directories (personal, shared, global).
#
# set_directory_options()
#
function(set_directory_options)
if(APPLE)
set(DEFAULT_PERSONAL_DIR "Documents/OpenTTD")
set(DEFAULT_SHARED_DIR "/Library/Application Support/OpenTTD")
set(DEFAULT_GLOBAL_DIR "(not set)")
elseif(WIN32)
set(DEFAULT_PERSONAL_DIR "OpenTTD")
set(DEFAULT_SHARED_DIR "(not set)")
set(DEFAULT_GLOBAL_DIR "(not set)")
elseif(UNIX)
set(DEFAULT_PERSONAL_DIR ".${BINARY_NAME}")
set(DEFAULT_SHARED_DIR "(not set)")
set(DEFAULT_GLOBAL_DIR "${CMAKE_INSTALL_FULL_DATADIR}/${BINARY_NAME}")
else()
message(FATAL_ERROR "Unknown OS found; please consider creating a Pull Request to add support for this OS.")
endif()
if(NOT PERSONAL_DIR)
set(PERSONAL_DIR "${DEFAULT_PERSONAL_DIR}" CACHE STRING "Personal directory")
message(STATUS "Detecting Personal Data directory - ${PERSONAL_DIR}")
endif()
if(NOT SHARED_DIR)
set(SHARED_DIR "${DEFAULT_SHARED_DIR}" CACHE STRING "Shared directory")
message(STATUS "Detecting Shared Data directory - ${SHARED_DIR}")
endif()
if(NOT GLOBAL_DIR)
set(GLOBAL_DIR "${DEFAULT_GLOBAL_DIR}" CACHE STRING "Global directory")
message(STATUS "Detecting Global Data directory - ${GLOBAL_DIR}")
endif()
set(HOST_BINARY_DIR "" CACHE PATH "Full path to native cmake build directory")
endfunction()
# Set some generic options that influence what is being build.
#
# set_options()
#
function(set_options)
if(UNIX AND NOT APPLE)
set(DEFAULT_OPTION_INSTALL_FHS ON)
else()
set(DEFAULT_OPTION_INSTALL_FHS OFF)
endif()
option(OPTION_FORCE_COLORED_OUTPUT "Always produce ANSI-colored output (GNU/Clang only)." OFF)
option(OPTION_DEDICATED "Build dedicated server only (no GUI)" OFF)
option(OPTION_INSTALL_FHS "Install with Filesystem Hierarchy Standard folders" ${DEFAULT_OPTION_INSTALL_FHS})
option(OPTION_USE_ASSERTS "Use assertions; leave enabled for nightlies, betas, and RCs" ON)
if(EMSCRIPTEN)
# Although pthreads is supported, it is not in a way yet that is
# useful for us.
option(OPTION_USE_THREADS "Use threads" OFF)
else()
option(OPTION_USE_THREADS "Use threads" ON)
endif()
option(OPTION_USE_NSIS "Use NSIS to create windows installer; enable only for stable releases" OFF)
option(OPTION_TOOLS_ONLY "Build only tools target" OFF)
option(OPTION_DOCS_ONLY "Build only docs target" OFF)
if (OPTION_DOCS_ONLY)
set(OPTION_TOOLS_ONLY ON PARENT_SCOPE)
endif()
endfunction()
# Show the values of the generic options.
#
# show_options()
#
function(show_options)
message(STATUS "Option Dedicated - ${OPTION_DEDICATED}")
message(STATUS "Option Install FHS - ${OPTION_INSTALL_FHS}")
message(STATUS "Option Use assert - ${OPTION_USE_ASSERTS}")
message(STATUS "Option Use threads - ${OPTION_USE_THREADS}")
message(STATUS "Option Use NSIS - ${OPTION_USE_NSIS}")
endfunction()
# Add the definitions for the options that are selected.
#
# add_definitions_based_on_options()
#
function(add_definitions_based_on_options)
if(OPTION_DEDICATED)
add_definitions(-DDEDICATED)
endif()
if(NOT OPTION_USE_THREADS)
add_definitions(-DNO_THREADS)
endif()
if(OPTION_USE_ASSERTS)
add_definitions(-DWITH_ASSERT)
else()
add_definitions(-DNDEBUG)
endif()
endfunction()
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