diff options
Diffstat (limited to 'platform/linuxbsd/detect.py')
-rw-r--r-- | platform/linuxbsd/detect.py | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/platform/linuxbsd/detect.py b/platform/linuxbsd/detect.py new file mode 100644 index 0000000000..5d8b4fba48 --- /dev/null +++ b/platform/linuxbsd/detect.py @@ -0,0 +1,377 @@ +import os +import platform +import sys + + +def is_active(): + return True + + +def get_name(): + return "LinuxBSD" + + +def can_build(): + + if os.name != "posix" or sys.platform == "darwin": + return False + + # Check the minimal dependencies + x11_error = os.system("pkg-config --version > /dev/null") + if x11_error: + return False + + x11_error = os.system("pkg-config x11 --modversion > /dev/null ") + if x11_error: + return False + + x11_error = os.system("pkg-config xcursor --modversion > /dev/null ") + if x11_error: + print("xcursor not found.. x11 disabled.") + return False + + x11_error = os.system("pkg-config xinerama --modversion > /dev/null ") + if x11_error: + print("xinerama not found.. x11 disabled.") + return False + + x11_error = os.system("pkg-config xrandr --modversion > /dev/null ") + if x11_error: + print("xrandr not found.. x11 disabled.") + return False + + x11_error = os.system("pkg-config xrender --modversion > /dev/null ") + if x11_error: + print("xrender not found.. x11 disabled.") + return False + + x11_error = os.system("pkg-config xi --modversion > /dev/null ") + if x11_error: + print("xi not found.. Aborting.") + return False + + return True + + +def get_opts(): + from SCons.Variables import BoolVariable, EnumVariable + + return [ + BoolVariable("use_llvm", "Use the LLVM compiler", False), + BoolVariable("use_lld", "Use the LLD linker", False), + BoolVariable("use_thinlto", "Use ThinLTO", False), + BoolVariable("use_static_cpp", "Link libgcc and libstdc++ statically for better portability", False), + BoolVariable("use_coverage", "Test Godot coverage", False), + BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False), + BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN))", False), + BoolVariable("use_lsan", "Use LLVM/GCC compiler leak sanitizer (LSAN))", False), + BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN))", False), + BoolVariable("pulseaudio", "Detect and use PulseAudio", True), + BoolVariable("udev", "Use udev for gamepad connection callbacks", False), + EnumVariable("debug_symbols", "Add debugging symbols to release builds", "yes", ("yes", "no", "full")), + BoolVariable("separate_debug_symbols", "Create a separate file containing debugging symbols", False), + BoolVariable("touch", "Enable touch events", True), + BoolVariable("execinfo", "Use libexecinfo on systems where glibc is not available", False), + ] + + +def get_flags(): + + return [] + + +def configure(env): + + ## Build type + + if env["target"] == "release": + if env["optimize"] == "speed": # optimize for speed (default) + env.Prepend(CCFLAGS=["-O3"]) + else: # optimize for size + env.Prepend(CCFLAGS=["-Os"]) + + if env["debug_symbols"] == "yes": + env.Prepend(CCFLAGS=["-g1"]) + if env["debug_symbols"] == "full": + env.Prepend(CCFLAGS=["-g2"]) + + elif env["target"] == "release_debug": + if env["optimize"] == "speed": # optimize for speed (default) + env.Prepend(CCFLAGS=["-O2"]) + else: # optimize for size + env.Prepend(CCFLAGS=["-Os"]) + env.Prepend(CPPDEFINES=["DEBUG_ENABLED"]) + + if env["debug_symbols"] == "yes": + env.Prepend(CCFLAGS=["-g1"]) + if env["debug_symbols"] == "full": + env.Prepend(CCFLAGS=["-g2"]) + + elif env["target"] == "debug": + env.Prepend(CCFLAGS=["-g3"]) + env.Prepend(CPPDEFINES=["DEBUG_ENABLED", "DEBUG_MEMORY_ENABLED"]) + env.Append(LINKFLAGS=["-rdynamic"]) + + ## Architecture + + is64 = sys.maxsize > 2 ** 32 + if env["bits"] == "default": + env["bits"] = "64" if is64 else "32" + + ## Compiler configuration + + if "CXX" in env and "clang" in os.path.basename(env["CXX"]): + # Convenience check to enforce the use_llvm overrides when CXX is clang(++) + env["use_llvm"] = True + + if env["use_llvm"]: + if "clang++" not in os.path.basename(env["CXX"]): + env["CC"] = "clang" + env["CXX"] = "clang++" + env["LINK"] = "clang++" + env.Append(CPPDEFINES=["TYPED_METHOD_BIND"]) + env.extra_suffix = ".llvm" + env.extra_suffix + + if env["use_lld"]: + if env["use_llvm"]: + env.Append(LINKFLAGS=["-fuse-ld=lld"]) + if env["use_thinlto"]: + # A convenience so you don't need to write use_lto too when using SCons + env["use_lto"] = True + else: + print("Using LLD with GCC is not supported yet, try compiling with 'use_llvm=yes'.") + sys.exit(255) + + if env["use_coverage"]: + env.Append(CCFLAGS=["-ftest-coverage", "-fprofile-arcs"]) + env.Append(LINKFLAGS=["-ftest-coverage", "-fprofile-arcs"]) + + if env["use_ubsan"] or env["use_asan"] or env["use_lsan"] or env["use_tsan"]: + env.extra_suffix += "s" + + if env["use_ubsan"]: + env.Append(CCFLAGS=["-fsanitize=undefined"]) + env.Append(LINKFLAGS=["-fsanitize=undefined"]) + + if env["use_asan"]: + env.Append(CCFLAGS=["-fsanitize=address"]) + env.Append(LINKFLAGS=["-fsanitize=address"]) + + if env["use_lsan"]: + env.Append(CCFLAGS=["-fsanitize=leak"]) + env.Append(LINKFLAGS=["-fsanitize=leak"]) + + if env["use_tsan"]: + env.Append(CCFLAGS=["-fsanitize=thread"]) + env.Append(LINKFLAGS=["-fsanitize=thread"]) + + if env["use_lto"]: + if not env["use_llvm"] and env.GetOption("num_jobs") > 1: + env.Append(CCFLAGS=["-flto"]) + env.Append(LINKFLAGS=["-flto=" + str(env.GetOption("num_jobs"))]) + else: + if env["use_lld"] and env["use_thinlto"]: + env.Append(CCFLAGS=["-flto=thin"]) + env.Append(LINKFLAGS=["-flto=thin"]) + else: + env.Append(CCFLAGS=["-flto"]) + env.Append(LINKFLAGS=["-flto"]) + + if not env["use_llvm"]: + env["RANLIB"] = "gcc-ranlib" + env["AR"] = "gcc-ar" + + env.Append(CCFLAGS=["-pipe"]) + env.Append(LINKFLAGS=["-pipe"]) + + # -fpie and -no-pie is supported on GCC 6+ and Clang 4+, both below our + # minimal requirements. + env.Append(CCFLAGS=["-fpie"]) + env.Append(LINKFLAGS=["-no-pie"]) + + ## Dependencies + + env.ParseConfig("pkg-config x11 --cflags --libs") + env.ParseConfig("pkg-config xcursor --cflags --libs") + env.ParseConfig("pkg-config xinerama --cflags --libs") + env.ParseConfig("pkg-config xrandr --cflags --libs") + env.ParseConfig("pkg-config xrender --cflags --libs") + env.ParseConfig("pkg-config xi --cflags --libs") + + if env["touch"]: + env.Append(CPPDEFINES=["TOUCH_ENABLED"]) + + # FIXME: Check for existence of the libs before parsing their flags with pkg-config + + # freetype depends on libpng and zlib, so bundling one of them while keeping others + # as shared libraries leads to weird issues + if env["builtin_freetype"] or env["builtin_libpng"] or env["builtin_zlib"]: + env["builtin_freetype"] = True + env["builtin_libpng"] = True + env["builtin_zlib"] = True + + if not env["builtin_freetype"]: + env.ParseConfig("pkg-config freetype2 --cflags --libs") + + if not env["builtin_libpng"]: + env.ParseConfig("pkg-config libpng16 --cflags --libs") + + if not env["builtin_bullet"]: + # We need at least version 2.89 + import subprocess + + bullet_version = subprocess.check_output(["pkg-config", "bullet", "--modversion"]).strip() + if str(bullet_version) < "2.89": + # Abort as system bullet was requested but too old + print( + "Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format( + bullet_version, "2.89" + ) + ) + sys.exit(255) + env.ParseConfig("pkg-config bullet --cflags --libs") + + if False: # not env['builtin_assimp']: + # FIXME: Add min version check + env.ParseConfig("pkg-config assimp --cflags --libs") + + if not env["builtin_enet"]: + env.ParseConfig("pkg-config libenet --cflags --libs") + + if not env["builtin_squish"]: + env.ParseConfig("pkg-config libsquish --cflags --libs") + + if not env["builtin_zstd"]: + env.ParseConfig("pkg-config libzstd --cflags --libs") + + # Sound and video libraries + # Keep the order as it triggers chained dependencies (ogg needed by others, etc.) + + if not env["builtin_libtheora"]: + env["builtin_libogg"] = False # Needed to link against system libtheora + env["builtin_libvorbis"] = False # Needed to link against system libtheora + env.ParseConfig("pkg-config theora theoradec --cflags --libs") + else: + list_of_x86 = ["x86_64", "x86", "i386", "i586"] + if any(platform.machine() in s for s in list_of_x86): + env["x86_libtheora_opt_gcc"] = True + + if not env["builtin_libvpx"]: + env.ParseConfig("pkg-config vpx --cflags --libs") + + if not env["builtin_libvorbis"]: + env["builtin_libogg"] = False # Needed to link against system libvorbis + env.ParseConfig("pkg-config vorbis vorbisfile --cflags --libs") + + if not env["builtin_opus"]: + env["builtin_libogg"] = False # Needed to link against system opus + env.ParseConfig("pkg-config opus opusfile --cflags --libs") + + if not env["builtin_libogg"]: + env.ParseConfig("pkg-config ogg --cflags --libs") + + if not env["builtin_libwebp"]: + env.ParseConfig("pkg-config libwebp --cflags --libs") + + if not env["builtin_mbedtls"]: + # mbedTLS does not provide a pkgconfig config yet. See https://github.com/ARMmbed/mbedtls/issues/228 + env.Append(LIBS=["mbedtls", "mbedcrypto", "mbedx509"]) + + if not env["builtin_wslay"]: + env.ParseConfig("pkg-config libwslay --cflags --libs") + + if not env["builtin_miniupnpc"]: + # No pkgconfig file so far, hardcode default paths. + env.Prepend(CPPPATH=["/usr/include/miniupnpc"]) + env.Append(LIBS=["miniupnpc"]) + + # On Linux wchar_t should be 32-bits + # 16-bit library shouldn't be required due to compiler optimisations + if not env["builtin_pcre2"]: + env.ParseConfig("pkg-config libpcre2-32 --cflags --libs") + + ## Flags + + if os.system("pkg-config --exists alsa") == 0: # 0 means found + print("Enabling ALSA") + env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"]) + # Don't parse --cflags, we don't need to add /usr/include/alsa to include path + env.ParseConfig("pkg-config alsa --libs") + else: + print("ALSA libraries not found, disabling driver") + + if env["pulseaudio"]: + if os.system("pkg-config --exists libpulse") == 0: # 0 means found + print("Enabling PulseAudio") + env.Append(CPPDEFINES=["PULSEAUDIO_ENABLED"]) + env.ParseConfig("pkg-config --cflags --libs libpulse") + else: + print("PulseAudio development libraries not found, disabling driver") + + if platform.system() == "Linux": + env.Append(CPPDEFINES=["JOYDEV_ENABLED"]) + + if env["udev"]: + if os.system("pkg-config --exists libudev") == 0: # 0 means found + print("Enabling udev support") + env.Append(CPPDEFINES=["UDEV_ENABLED"]) + env.ParseConfig("pkg-config libudev --cflags --libs") + else: + print("libudev development libraries not found, disabling udev support") + + # Linkflags below this line should typically stay the last ones + if not env["builtin_zlib"]: + env.ParseConfig("pkg-config zlib --cflags --libs") + + env.Prepend(CPPPATH=["#platform/linuxbsd"]) + env.Append(CPPDEFINES=["X11_ENABLED", "UNIX_ENABLED"]) + + env.Append(CPPDEFINES=["VULKAN_ENABLED"]) + if not env["builtin_vulkan"]: + env.ParseConfig("pkg-config vulkan --cflags --libs") + if not env["builtin_glslang"]: + # No pkgconfig file for glslang so far + env.Append(LIBS=["glslang", "SPIRV"]) + + # env.Append(CPPDEFINES=['OPENGL_ENABLED']) + env.Append(LIBS=["GL"]) + + env.Append(LIBS=["pthread"]) + + if platform.system() == "Linux": + env.Append(LIBS=["dl"]) + + if platform.system().find("BSD") >= 0: + env["execinfo"] = True + + if env["execinfo"]: + env.Append(LIBS=["execinfo"]) + + if not env["tools"]: + import subprocess + import re + + linker_version_str = subprocess.check_output([env.subst(env["LINK"]), "-Wl,--version"]).decode("utf-8") + gnu_ld_version = re.search("^GNU ld [^$]*(\d+\.\d+)$", linker_version_str, re.MULTILINE) + if not gnu_ld_version: + print( + "Warning: Creating template binaries enabled for PCK embedding is currently only supported with GNU ld" + ) + else: + if float(gnu_ld_version.group(1)) >= 2.30: + env.Append(LINKFLAGS=["-T", "platform/linuxbsd/pck_embed.ld"]) + else: + env.Append(LINKFLAGS=["-T", "platform/linuxbsd/pck_embed.legacy.ld"]) + + ## Cross-compilation + + if is64 and env["bits"] == "32": + env.Append(CCFLAGS=["-m32"]) + env.Append(LINKFLAGS=["-m32", "-L/usr/lib/i386-linux-gnu"]) + elif not is64 and env["bits"] == "64": + env.Append(CCFLAGS=["-m64"]) + env.Append(LINKFLAGS=["-m64", "-L/usr/lib/i686-linux-gnu"]) + + # Link those statically for portability + if env["use_static_cpp"]: + env.Append(LINKFLAGS=["-static-libgcc", "-static-libstdc++"]) |