def get_compiler_version(env):
# Not using this method on clang because it returns 4.2.1 # https://reviews.llvm.org/D56803
if using_gcc(env):
version = decode_utf8(subprocess.check_output([env['CXX'], '-dumpversion']).strip())
else:
version = decode_utf8(subprocess.check_output([env['CXX'], '--version']).strip())
match = re.search('[0-9][0-9.]*', version)
if match is not None:
return match.group().split('.')
else:
return None
def get_compiler_version(env):
if using_gcc(env):
version = decode_utf8(subprocess.check_output([env['CXX'], '-dumpversion']).strip())
elif using_clang(env):
# Not using -dumpversion as it used to return 4.2.1: https://reviews.llvm.org/D56803
version = decode_utf8(subprocess.check_output([env['CXX'], '--version']).strip())
else: # TODO: Implement for MSVC
return None
match = re.search('[0-9][0-9.]*', version)
if match is not None:
return match.group().split('.')
else:
return None
def get_compiler_version(env):
"""
Returns an array of version numbers as ints: [major, minor, patch].
The return array should have at least two values (major, minor).
"""
if not env.msvc:
# Not using -dumpversion as some GCC distros only return major, and
# Clang used to return hardcoded 4.2.1: # https://reviews.llvm.org/D56803
try:
version = decode_utf8(
subprocess.check_output([env.subst(env["CXX"]),
"--version"]).strip())
except (subprocess.CalledProcessError, OSError):
print(
"Couldn't parse CXX environment variable to infer compiler version."
)
return None
else: # TODO: Implement for MSVC
return None
# First try with x.y.z
match = re.search("[0-9]+\.[0-9.]+\.[0-9.]+", version)
# If not found try with last x.y (and skip eg. 2014.3 signatures)
if match is None:
match = re.search("[0-9]+\.[0-9.]+$", version)
if match is not None:
return list(map(int, match.group().split(".")))
else:
return None
def get_compiler_version(env):
version = decode_utf8(subprocess.check_output([env['CXX'], '--version']).strip())
match = re.search('[0-9][0-9.]*', version)
if match is not None:
return match.group().split('.')
else:
return None
def detect_darwin_sdk_path(platform, env):
sdk_name = ""
if platform == "osx":
sdk_name = "macosx"
var_name = "MACOS_SDK_PATH"
elif platform == "iphone":
sdk_name = "iphoneos"
var_name = "IPHONESDK"
elif platform == "iphonesimulator":
sdk_name = "iphonesimulator"
var_name = "IPHONESDK"
else:
raise Exception(
"Invalid platform argument passed to detect_darwin_sdk_path")
if not env[var_name]:
try:
sdk_path = decode_utf8(
subprocess.check_output(
["xcrun", "--sdk", sdk_name, "--show-sdk-path"]).strip())
if sdk_path:
env[var_name] = sdk_path
except (subprocess.CalledProcessError, OSError):
print(
"Failed to find SDK path while running xcrun --sdk {} --show-sdk-path."
.format(sdk_name))
raise
def get_compiler_version(env):
version = decode_utf8(subprocess.check_output([env['CXX'], '--version']).strip())
match = re.search('[0-9][0-9.]*', version)
if match is not None:
return match.group().split('.')
else:
return None
def detect_darwin_sdk_path(platform, env):
sdk_name = ''
if platform == 'osx':
sdk_name = 'macosx'
var_name = 'MACOS_SDK_PATH'
elif platform == 'iphone':
sdk_name = 'iphoneos'
var_name = 'IPHONESDK'
elif platform == 'iphonesimulator':
sdk_name = 'iphonesimulator'
var_name = 'IPHONESDK'
else:
raise Exception(
"Invalid platform argument passed to detect_darwin_sdk_path")
if not env[var_name]:
try:
sdk_path = decode_utf8(
subprocess.check_output(
['xcrun', '--sdk', sdk_name, '--show-sdk-path']).strip())
if sdk_path:
env[var_name] = sdk_path
except (subprocess.CalledProcessError, OSError):
print(
"Failed to find SDK path while running xcrun --sdk {} --show-sdk-path."
.format(sdk_name))
raise
def mono_root_try_find_mono_version(mono_root):
from compat import decode_utf8
output = subprocess.check_output([os.path.join(mono_root, 'bin', 'mono'), '--version'])
first_line = decode_utf8(output.splitlines()[0])
try:
return LooseVersion(first_line.split()[len('Mono JIT compiler version'.split())])
except (ValueError, IndexError):
return None
def mono_root_try_find_mono_version(mono_root):
from compat import decode_utf8
output = subprocess.check_output(
[os.path.join(mono_root, 'bin', 'mono'), '--version'])
first_line = decode_utf8(output.splitlines()[0])
try:
return LooseVersion(first_line.split()[len(
'Mono JIT compiler version'.split())])
except (ValueError, IndexError):
return None
def find_msbuild_tools_path_reg():
import subprocess
vswhere = os.getenv('PROGRAMFILES(X86)')
if not vswhere:
vswhere = os.getenv('PROGRAMFILES')
vswhere += r'\Microsoft Visual Studio\Installer\vswhere.exe'
vswhere_args = [
'-latest', '-products', '*', '-requires', 'Microsoft.Component.MSBuild'
]
try:
lines = subprocess.check_output([vswhere] + vswhere_args).splitlines()
for line in lines:
parts = decode_utf8(line).split(':', 1)
if len(parts) < 2 or parts[0] != 'installationPath':
continue
val = parts[1].strip()
if not val:
raise ValueError('Value of `installationPath` entry is empty')
# Since VS2019, the directory is simply named "Current"
msbuild_dir = os.path.join(val, 'MSBuild\\Current\\Bin')
if os.path.isdir(msbuild_dir):
return msbuild_dir
# Directory name "15.0" is used in VS 2017
return os.path.join(val, 'MSBuild\\15.0\\Bin')
raise ValueError('Cannot find `installationPath` entry')
except ValueError as e:
print('Error reading output from vswhere: ' + e.message)
except WindowsError:
pass # Fine, vswhere not found
except (subprocess.CalledProcessError, OSError):
pass
# Try to find 14.0 in the Registry
try:
subkey = r'SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0'
with _reg_open_key(winreg.HKEY_LOCAL_MACHINE, subkey) as hKey:
value = winreg.QueryValueEx(hKey, 'MSBuildToolsPath')[0]
return value
except (WindowsError, OSError):
return ''
return ''
def pkgconfig_try_find_mono_version():
from compat import decode_utf8
lines = subprocess.check_output(['pkg-config', 'monosgen-2', '--modversion']).splitlines()
greater_version = None
for line in lines:
try:
version = LooseVersion(decode_utf8(line))
if greater_version is None or version > greater_version:
greater_version = version
except ValueError:
pass
return greater_version
def pkgconfig_try_find_mono_version():
from compat import decode_utf8
lines = subprocess.check_output(['pkg-config', 'monosgen-2', '--modversion']).splitlines()
greater_version = None
for line in lines:
try:
version = LooseVersion(decode_utf8(line))
if greater_version is None or version > greater_version:
greater_version = version
except ValueError:
pass
return greater_version
def find_msbuild_tools_path_reg():
import subprocess
vswhere = os.getenv('PROGRAMFILES(X86)')
if not vswhere:
vswhere = os.getenv('PROGRAMFILES')
vswhere += r'\Microsoft Visual Studio\Installer\vswhere.exe'
vswhere_args = ['-latest', '-products', '*', '-requires', 'Microsoft.Component.MSBuild']
try:
lines = subprocess.check_output([vswhere] + vswhere_args).splitlines()
for line in lines:
parts = decode_utf8(line).split(':', 1)
if len(parts) < 2 or parts[0] != 'installationPath':
continue
val = parts[1].strip()
if not val:
raise ValueError('Value of `installationPath` entry is empty')
# Since VS2019, the directory is simply named "Current"
msbuild_dir = os.path.join(val, 'MSBuild\\Current\\Bin')
if os.path.isdir(msbuild_dir):
return msbuild_dir
# Directory name "15.0" is used in VS 2017
return os.path.join(val, 'MSBuild\\15.0\\Bin')
raise ValueError('Cannot find `installationPath` entry')
except ValueError as e:
print('Error reading output from vswhere: ' + e.message)
except WindowsError:
pass # Fine, vswhere not found
except (subprocess.CalledProcessError, OSError):
pass
# Try to find 14.0 in the Registry
try:
subkey = r'SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0'
with _reg_open_key(winreg.HKEY_LOCAL_MACHINE, subkey) as hKey:
value = winreg.QueryValueEx(hKey, 'MSBuildToolsPath')[0]
return value
except (WindowsError, OSError):
return ''
return ''
def find_msbuild_tools_path_reg():
import subprocess
vswhere = os.getenv("PROGRAMFILES(X86)")
if not vswhere:
vswhere = os.getenv("PROGRAMFILES")
vswhere += r"\Microsoft Visual Studio\Installer\vswhere.exe"
vswhere_args = [
"-latest", "-products", "*", "-requires", "Microsoft.Component.MSBuild"
]
try:
lines = subprocess.check_output([vswhere] + vswhere_args).splitlines()
for line in lines:
parts = decode_utf8(line).split(":", 1)
if len(parts) < 2 or parts[0] != "installationPath":
continue
val = parts[1].strip()
if not val:
raise ValueError("Value of `installationPath` entry is empty")
# Since VS2019, the directory is simply named "Current"
msbuild_dir = os.path.join(val, "MSBuild\\Current\\Bin")
if os.path.isdir(msbuild_dir):
return msbuild_dir
# Directory name "15.0" is used in VS 2017
return os.path.join(val, "MSBuild\\15.0\\Bin")
raise ValueError("Cannot find `installationPath` entry")
except ValueError as e:
print("Error reading output from vswhere: " + e.message)
except subprocess.CalledProcessError as e:
print(e.output)
except OSError as e:
print(e)
# Try to find 14.0 in the Registry
try:
subkey = r"SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0"
with _reg_open_key(winreg.HKEY_LOCAL_MACHINE, subkey) as hKey:
value = winreg.QueryValueEx(hKey, "MSBuildToolsPath")[0]
return value
except (WindowsError, OSError):
return ""
def mono_root_try_find_mono_version(mono_root):
from compat import decode_utf8
mono_bin = os.path.join(mono_root, 'bin')
if os.path.isfile(os.path.join(mono_bin, 'mono')):
mono_binary = os.path.join(mono_bin, 'mono')
elif os.path.isfile(os.path.join(mono_bin, 'mono.exe')):
mono_binary = os.path.join(mono_bin, 'mono.exe')
else:
return None
output = subprocess.check_output([mono_binary, '--version'])
first_line = decode_utf8(output.splitlines()[0])
try:
return LooseVersion(first_line.split()[len('Mono JIT compiler version'.split())])
except (ValueError, IndexError):
return None
def mono_root_try_find_mono_version(mono_root):
from compat import decode_utf8
mono_bin = os.path.join(mono_root, 'bin')
if os.path.isfile(os.path.join(mono_bin, 'mono')):
mono_binary = os.path.join(mono_bin, 'mono')
elif os.path.isfile(os.path.join(mono_bin, 'mono.exe')):
mono_binary = os.path.join(mono_bin, 'mono.exe')
else:
return None
output = subprocess.check_output([mono_binary, '--version'])
first_line = decode_utf8(output.splitlines()[0])
try:
return LooseVersion(first_line.split()[len('Mono JIT compiler version'.split())])
except (ValueError, IndexError):
return None
def get_compiler_version(env):
"""
Returns an array of version numbers as ints: [major, minor, patch].
The return array should have at least two values (major, minor).
"""
if not env.msvc:
# Not using -dumpversion as some GCC distros only return major, and
# Clang used to return hardcoded 4.2.1: # https://reviews.llvm.org/D56803
version = decode_utf8(
subprocess.check_output([env['CXX'], '--version']).strip())
else: # TODO: Implement for MSVC
return None
match = re.search('[0-9]+\.[0-9.]+', version)
if match is not None:
return list(map(int, match.group().split('.')))
else:
return None
def get_compiler_architecture(env):
"""
Returns compiler (default) architecture.
"""
if not env.msvc:
try:
arch = decode_utf8(
subprocess.check_output(
[env.subst(env["CXX"]), "-dumpmachine"]).strip())
except (subprocess.CalledProcessError, OSError):
print(
"Couldn't parse CXX environment variable to infer compiler architecture."
)
return None
else: # TODO: Implement for MSVC
return None
return next(iter(arch.split("-")), None)
def detect_darwin_sdk_path(platform, env):
sdk_name = ''
if platform == 'osx':
sdk_name = 'macosx'
var_name = 'MACOS_SDK_PATH'
elif platform == 'iphone':
sdk_name = 'iphoneos'
var_name = 'IPHONESDK'
elif platform == 'iphonesimulator':
sdk_name = 'iphonesimulator'
var_name = 'IPHONESDK'
else:
raise Exception("Invalid platform argument passed to detect_darwin_sdk_path")
if not env[var_name]:
try:
sdk_path = decode_utf8(subprocess.check_output(['xcrun', '--sdk', sdk_name, '--show-sdk-path']).strip())
if sdk_path:
env[var_name] = sdk_path
except (subprocess.CalledProcessError, OSError) as e:
print("Failed to find SDK path while running xcrun --sdk {} --show-sdk-path.".format(sdk_name))
raise
def get_darwin_sdk_version(platform):
sdk_name = ""
if platform == "osx":
sdk_name = "macosx"
elif platform == "iphone":
sdk_name = "iphoneos"
elif platform == "iphonesimulator":
sdk_name = "iphonesimulator"
else:
raise Exception(
"Invalid platform argument passed to get_darwin_sdk_version")
try:
return float(
decode_utf8(
subprocess.check_output(
["xcrun", "--sdk", sdk_name,
"--show-sdk-version"]).strip()))
except (subprocess.CalledProcessError, OSError):
print(
"Failed to find SDK version while running xcrun --sdk {} --show-sdk-version."
.format(sdk_name))
return 0.0
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', '-DDEBUG_ENABLED'])
else: #optimize for size
env.Prepend(CCFLAGS=['-Os', '-DDEBUG_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', '-DDEBUG_ENABLED', '-DDEBUG_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(CPPFLAGS=['-DTYPED_METHOD_BIND'])
env.extra_suffix = ".llvm" + env.extra_suffix
# leak sanitizer requires (address) sanitizer
if env['use_sanitizer'] or env['use_leak_sanitizer']:
env.Append(CCFLAGS=['-fsanitize=address', '-fno-omit-frame-pointer'])
env.Append(LINKFLAGS=['-fsanitize=address'])
env.extra_suffix += "s"
if env['use_leak_sanitizer']:
env.Append(CCFLAGS=['-fsanitize=leak'])
env.Append(LINKFLAGS=['-fsanitize=leak'])
if env['use_lto']:
env.Append(CCFLAGS=['-flto'])
if not env['use_llvm'] and env.GetOption("num_jobs") > 1:
env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))])
else:
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'])
# Check for gcc version > 5 before adding -no-pie
import re
import subprocess
proc = subprocess.Popen([env['CXX'], '--version'], stdout=subprocess.PIPE)
(stdout, _) = proc.communicate()
stdout = decode_utf8(stdout)
match = re.search('[0-9][0-9.]*', stdout)
if match is not None:
version = match.group().split('.')
if (version[0] > '5'):
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(CPPFLAGS=['-DTOUCH_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 libpng --cflags --libs')
if not env['builtin_bullet']:
# We need at least version 2.88
import subprocess
bullet_version = subprocess.check_output(
['pkg-config', 'bullet', '--modversion']).strip()
if bullet_version < "2.88":
# Abort as system bullet was requested but too old
print(
"Bullet: System version {0} does not match minimal requirements ({1}). Aborting."
.format(bullet_version, "2.88"))
sys.exit(255)
env.ParseConfig('pkg-config bullet --cflags --libs')
if not env['builtin_enet']:
env.ParseConfig('pkg-config libenet --cflags --libs')
if not env['builtin_squish'] and env['tools']:
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_libwebsockets']:
env.ParseConfig('pkg-config libwebsockets --cflags --libs')
if not env['builtin_miniupnpc']:
# No pkgconfig file so far, hardcode default paths.
env.Append(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(CPPFLAGS=["-DALSA_ENABLED", "-DALSAMIDI_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(CPPFLAGS=["-DPULSEAUDIO_ENABLED"])
env.ParseConfig('pkg-config --cflags --libs libpulse')
else:
print(
"PulseAudio development libraries not found, disabling driver")
if (platform.system() == "Linux"):
env.Append(CPPFLAGS=["-DJOYDEV_ENABLED"])
if env['udev']:
if (os.system("pkg-config --exists libudev") == 0
): # 0 means found
print("Enabling udev support")
env.Append(CPPFLAGS=["-DUDEV_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.Append(CPPPATH=['#platform/x11'])
env.Append(CPPFLAGS=[
'-DX11_ENABLED', '-DUNIX_ENABLED', '-DOPENGL_ENABLED', '-DGLES_ENABLED'
])
env.Append(LIBS=['GL', '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'])
## Cross-compilation
if (is64 and env["bits"] == "32"):
env.Append(CPPFLAGS=['-m32'])
env.Append(LINKFLAGS=['-m32', '-L/usr/lib/i386-linux-gnu'])
elif (not is64 and env["bits"] == "64"):
env.Append(CPPFLAGS=['-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++'])
def is_vanilla_clang(env):
if not using_clang(env):
return False
version = decode_utf8(subprocess.check_output([env['CXX'], '--version']).strip())
return not version.startswith("Apple")
def configure(env):
## Build type
if (env["target"] == "release"):
# -O3 -ffast-math is identical to -Ofast. We need to split it out so we can selectively disable
# -ffast-math in code for which it generates wrong results.
if (env["optimize"] == "speed"): #optimize for speed (default)
env.Prepend(CCFLAGS=['-O3', '-ffast-math'])
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', '-ffast-math', '-DDEBUG_ENABLED'])
else: #optimize for size
env.Prepend(CCFLAGS=['-Os', '-DDEBUG_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', '-DDEBUG_ENABLED', '-DDEBUG_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(CPPFLAGS=['-DTYPED_METHOD_BIND'])
env.extra_suffix = ".llvm" + env.extra_suffix
# leak sanitizer requires (address) sanitizer
if env['use_sanitizer'] or env['use_leak_sanitizer']:
env.Append(CCFLAGS=['-fsanitize=address', '-fno-omit-frame-pointer'])
env.Append(LINKFLAGS=['-fsanitize=address'])
env.extra_suffix += "s"
if env['use_leak_sanitizer']:
env.Append(CCFLAGS=['-fsanitize=leak'])
env.Append(LINKFLAGS=['-fsanitize=leak'])
if env['use_lto']:
env.Append(CCFLAGS=['-flto'])
if not env['use_llvm'] and env.GetOption("num_jobs") > 1:
env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))])
else:
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'])
# Check for gcc version > 5 before adding -no-pie
import re
import subprocess
proc = subprocess.Popen([env['CXX'], '--version'], stdout=subprocess.PIPE)
(stdout, _) = proc.communicate()
stdout = decode_utf8(stdout)
match = re.search('[0-9][0-9.]*', stdout)
if match is not None:
version = match.group().split('.')
if (version[0] > '5'):
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')
if (env['touch']):
x11_error = os.system("pkg-config xi --modversion > /dev/null ")
if (x11_error):
print("xi not found.. cannot build with touch. Aborting.")
sys.exit(255)
env.ParseConfig('pkg-config xi --cflags --libs')
env.Append(CPPFLAGS=['-DTOUCH_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 libpng --cflags --libs')
if not env['builtin_bullet']:
# We need at least version 2.88
import subprocess
bullet_version = subprocess.check_output(['pkg-config', 'bullet', '--modversion']).strip()
if bullet_version < "2.88":
# Abort as system bullet was requested but too old
print("Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(bullet_version, "2.88"))
sys.exit(255)
env.ParseConfig('pkg-config bullet --cflags --libs')
if not env['builtin_enet']:
env.ParseConfig('pkg-config libenet --cflags --libs')
if not env['builtin_squish'] and env['tools']:
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_libwebsockets']:
env.ParseConfig('pkg-config libwebsockets --cflags --libs')
if not env['builtin_miniupnpc']:
# No pkgconfig file so far, hardcode default paths.
env.Append(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(CPPFLAGS=["-DALSA_ENABLED", "-DALSAMIDI_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(CPPFLAGS=["-DPULSEAUDIO_ENABLED"])
env.ParseConfig('pkg-config --cflags --libs libpulse')
else:
print("PulseAudio development libraries not found, disabling driver")
if (platform.system() == "Linux"):
env.Append(CPPFLAGS=["-DJOYDEV_ENABLED"])
if env['udev']:
if (os.system("pkg-config --exists libudev") == 0): # 0 means found
print("Enabling udev support")
env.Append(CPPFLAGS=["-DUDEV_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.Append(CPPPATH=['#platform/x11'])
env.Append(CPPFLAGS=['-DX11_ENABLED', '-DUNIX_ENABLED', '-DOPENGL_ENABLED', '-DGLES_ENABLED'])
env.Append(LIBS=['GL', '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'])
## Cross-compilation
if (is64 and env["bits"] == "32"):
env.Append(CPPFLAGS=['-m32'])
env.Append(LINKFLAGS=['-m32', '-L/usr/lib/i386-linux-gnu'])
elif (not is64 and env["bits"] == "64"):
env.Append(CPPFLAGS=['-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++'])