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#
# This file is part of the Simutrans project under the Artistic License.
# (see LICENSE.txt)
#
if (CCache_FOUND)
option(SIMUTRANS_USE_CCACHE "Use CCache compiler cache to improve recompilation speed" ON)
if (SIMUTRANS_USE_CCACHE)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCache_EXECUTABLE}")
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCache_EXECUTABLE}")
endif (SIMUTRANS_USE_CCACHE)
endif (CCache_FOUND)
if (CMAKE_USE_PTHREADS_INIT)
option(SIMUTRANS_MULTI_THREAD "Use multiple threads for drawing" ON)
else (CMAKE_USE_PTHREADS_INIT)
set(SIMUTRANS_MULTI_THREAD OFF)
endif (CMAKE_USE_PTHREADS_INIT)
if (NOT CMAKE_SIZEOF_VOID_P EQUAL 4)
option(SIMUTRANS_BUILD_32BIT "Build 32 or 64 bit executable" OFF)
endif ()
option(SIMUTRANS_VALGRIND_SUPPORT "Add support for valgrind \"memcheck\" tool" OFF)
if (MiniUPNP_FOUND)
option(SIMUTRANS_USE_UPNP "Use MiniUPNP for easier server setup" ON)
endif (MiniUPNP_FOUND)
if (ZSTD_FOUND)
option(SIMUTRANS_USE_ZSTD "Enable support for zstd save file compression (larger save files than bzip2, but faster)" ON)
endif (ZSTD_FOUND)
if (FluidSynth_FOUND AND NOT WIN32)
option(SIMUTRANS_USE_FLUIDSYNTH_MIDI "Enable FluidSynth for MIDI playback" ON)
endif (FluidSynth_FOUND AND NOT WIN32)
if(Fontconfig_FOUND)
option(SIMUTRANS_USE_FONTCONFIG "Use Fontconfig for font autodetection" ON)
endif()
option(SIMUTRANS_WARNINGS_AS_ERRORS "Treat compiler warnings as errors" OFF)
option(SIMUTRANS_INSTALL_PAK64 "Download pak64 on install" OFF)
option(SIMUTRANS_UPDATE_LANGFILES "Update language files from the translator on install" OFF)
option(SIMUTRANS_ENABLE_PROFILING "Enable profiling code" OFF)
option(SIMUTRANS_USE_SYSLOG "Enable logging to syslog" OFF)
option(SIMUTRANS_USE_IP4_ONLY "Use only IPv4" OFF)
option(SIMUTRANS_STEAM_BUILT "Compile a Steam build" OFF)
option(DEBUG_FLUSH_BUFFER "Highlite areas changes since last redraw" OFF)
option(ENABLE_WATERWAY_SIGNS "Allow private signs on watersways" OFF)
option(AUTOJOIN_PUBLIC "Join when making things public" OFF)
option(SIMUTRANS_USE_REVISION "Use the given revision number" OFF)
option(SIMUTRANS_USE_OWN_PAKINSTALL "Use built-in pakset installer instead of scripted" OFF)
if(NOT SIMUTRANS_DEBUG_LEVEL)
set(SIMUTRANS_DEBUG_LEVEL $<CONFIG:Debug>)
endif ()
if(NOT SIMUTRANS_MSG_LEVEL)
set(SIMUTRANS_MSG_LEVEL 3 CACHE STRING "Message verbosity level")
endif ()
set_property(CACHE SIMUTRANS_MSG_LEVEL PROPERTY STRINGS 0 1 2 3 4)
if(OPTION_BUNDLE_LIBRARIES AND UNIX AND NOT APPLE)
set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
set(CMAKE_INSTALL_RPATH "\$ORIGIN/lib")
# otherwise RUNPATH will be set instead of RPATH, which can lead to issues
add_link_options("-Wl,--disable-new-dtags")
endif()
include(CheckCXXCompilerFlag)
#
# This function adds all supported compiler flags to result_list
# Example: SIMUTRANS_CHECK_CXX_COMPILER_FLAGS(COMMON_COMPILE_OPTIONS -Wall -Wextra -Werror)
# will add -Wall -Wextra -Werror to COMMON_COMPILE_OPTIONS.
#
function(SIMUTRANS_CHECK_CXX_COMPILER_FLAGS result_list)
set(temp_list "")
foreach (flag ${ARGN})
# We cannot check for -Wno-* or -fno-* as this won't throw a warning so we must check for -W* or -f* directly
string(REGEX REPLACE "^(-[Wf])no-" "\\1" sanitizedFlag ${flag})
set(cachedVarName ${sanitizedFlag})
string(REPLACE "+" "X" cachedVarName ${cachedVarName})
string(REGEX REPLACE "[-=]" "_" cachedVarName ${cachedVarName})
if (NOT ${CMAKE_CXX_COMPILER_ID}_${cachedVarName}_CHECKED)
check_cxx_compiler_flag(${sanitizedFlag} CXX_FLAG_${cachedVarName}_SUPPORTED)
set(${CMAKE_CXX_COMPILER_ID}_${cachedVarName}_CHECKED YES CACHE INTERNAL "")
endif()
if (CXX_FLAG_${cachedVarName}_SUPPORTED)
list(APPEND temp_list ${flag})
endif (CXX_FLAG_${cachedVarName}_SUPPORTED)
unset(cachedVarName)
unset(sanitizedFlag)
endforeach ()
if (NOT ${result_list})
set(${result_list} ${temp_list} PARENT_SCOPE)
elseif (temp_list)
set(${result_list} "${${result_list}};${temp_list}" PARENT_SCOPE)
endif ()
endfunction()
if (MSVC)
SIMUTRANS_CHECK_CXX_COMPILER_FLAGS(SIMUTRANS_COMMON_COMPILE_OPTIONS
/W3
4250;4373;4800;4996;26812;26451
/wd4244 # C4244: 'conversion_type': conversion from 'type1' to 'type2', possible loss of data
/wd4267 # C4267: '=': conversion from 'type1' to 'type2', possible loss of data
/wd4068 # C4068: unknown pragma
/wd4250 # C4250: same name in derived class belong to derived class (silly)
/wd26812 # Prefer 'enum class' over 'enum' (silly)
/wd26451 # Arithmetic overflow: Using operator 'operator' on a size-a byte value and then casting the result to a size-b byte value. (widely used in finances)
/wdD9025
# /MT # static multithreded libaries
/MP # parallel builds
)
set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib")
foreach(CompilerFlag ${CompilerFlags})
string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
endforeach()
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_SCL_SECURE_NO_WARNINGS)
add_definitions(-DNOMINMAX)
add_definitions(-DWIN32_LEAN_AND_MEAN)
if (SIMUTRANS_WARNINGS_AS_ERRORS)
add_compile_options(/WX)
endif ()
if (CMAKE_SIZEOF_VOID_P EQUAL 4)
add_link_options(/LARGEADDRESSAWARE)
endif ()
else (MSVC) # Assume GCC/Clang
SIMUTRANS_CHECK_CXX_COMPILER_FLAGS(SIMUTRANS_COMMON_COMPILE_OPTIONS
-Wall
-Wextra
-Wformat=2
-Wundef
-Wmissing-include-dirs
-Wcast-qual
-Wpointer-arith
-Wcast-align
-Wduplicated-cond
)
SIMUTRANS_CHECK_CXX_COMPILER_FLAGS(SIMUTRANS_COMMON_COMPILE_OPTIONS
-Wno-format-nonliteral # Mostly for translator
-Wno-overloaded-virtual # For makeobj
-Wno-deprecated-declarations # auto_ptr for squirrel
-Wno-deprecated-copy # for squirrel
-Wno-cast-align # for squirrel
-Wno-return-std-move # for squirrel
)
if (SIMUTRANS_WARNINGS_AS_ERRORS)
add_compile_options(-Werror)
endif ()
# only add large address linking to 32 bin windows programs
if (WIN32 AND CMAKE_SIZEOF_VOID_P EQUAL 4)
add_link_options(-Wl,--large-address-aware)
endif ()
if (SIMUTRANS_PROFILE)
SIMUTRANS_CHECK_CXX_COMPILER_FLAGS(SIMUTRANS_COMMON_COMPILE_OPTIONS
-pg -fno-inline -fno-schedule-insns
)
endif (SIMUTRANS_PROFILE)
endif (MSVC)
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