godot/platform/windows/detect.py
Hugo Locurcio d54b5da940
Tweak some help texts in the build system
This also removes `unix_global_settings_path` from SConstruct
since it is no longer used.
2018-06-07 21:40:54 +02:00

353 lines
13 KiB
Python

import methods
import os
import sys
def is_active():
return True
def get_name():
return "Windows"
def can_build():
if (os.name == "nt"):
# Building natively on Windows
# If VCINSTALLDIR is set in the OS environ, use traditional Godot logic to set up MSVC
if (os.getenv("VCINSTALLDIR")): # MSVC, manual setup
return True
# Otherwise, let SCons find MSVC if installed, or else Mingw.
# Since we're just returning True here, if there's no compiler
# installed, we'll get errors when it tries to build with the
# null compiler.
return True
if (os.name == "posix"):
# Cross-compiling with MinGW-w64 (old MinGW32 is not supported)
mingw32 = "i686-w64-mingw32-"
mingw64 = "x86_64-w64-mingw32-"
if (os.getenv("MINGW32_PREFIX")):
mingw32 = os.getenv("MINGW32_PREFIX")
if (os.getenv("MINGW64_PREFIX")):
mingw64 = os.getenv("MINGW64_PREFIX")
test = "gcc --version > /dev/null 2>&1"
if (os.system(mingw64 + test) == 0 or os.system(mingw32 + test) == 0):
return True
return False
def get_opts():
from SCons.Variables import BoolVariable, EnumVariable
mingw32 = ""
mingw64 = ""
if (os.name == "posix"):
mingw32 = "i686-w64-mingw32-"
mingw64 = "x86_64-w64-mingw32-"
if (os.getenv("MINGW32_PREFIX")):
mingw32 = os.getenv("MINGW32_PREFIX")
if (os.getenv("MINGW64_PREFIX")):
mingw64 = os.getenv("MINGW64_PREFIX")
return [
('mingw_prefix_32', 'MinGW prefix (Win32)', mingw32),
('mingw_prefix_64', 'MinGW prefix (Win64)', mingw64),
# Targeted Windows version: 7 (and later), minimum supported version
# XP support dropped after EOL due to missing API for IPv6 and other issues
# Vista support dropped after EOL due to GH-10243
('target_win_version', 'Targeted Windows version, >= 0x0601 (Windows 7)', '0x0601'),
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),
('msvc_version', 'MSVC version to use. Ignored if VCINSTALLDIR is set in shell env.', None),
BoolVariable('use_mingw', 'Use the Mingw compiler, even if MSVC is installed. Only used on Windows.', False),
]
def get_flags():
return [
]
def build_res_file(target, source, env):
if (env["bits"] == "32"):
cmdbase = env['mingw_prefix_32']
else:
cmdbase = env['mingw_prefix_64']
cmdbase = cmdbase + 'windres --include-dir . '
import subprocess
for x in range(len(source)):
cmd = cmdbase + '-i ' + str(source[x]) + ' -o ' + str(target[x])
try:
out = subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE).communicate()
if len(out[1]):
return 1
except:
return 1
return 0
def setup_msvc_manual(env):
"""Set up env to use MSVC manually, using VCINSTALLDIR"""
if (env["bits"] != "default"):
print("""
Bits argument is not supported for MSVC compilation. Architecture depends on the Native/Cross Compile Tools Prompt/Developer Console
(or Visual Studio settings) that is being used to run SCons. As a consequence, bits argument is disabled. Run scons again without bits
argument (example: scons p=windows) and SCons will attempt to detect what MSVC compiler will be executed and inform you.
""")
raise SCons.Errors.UserError("Bits argument should not be used when using VCINSTALLDIR")
# Force bits arg
# (Actually msys2 mingw can support 64-bit, we could detect that)
env["bits"] = "32"
env["x86_libtheora_opt_vc"] = True
# find compiler manually
compiler_version_str = methods.detect_visual_c_compiler_version(env['ENV'])
print("Found MSVC compiler: " + compiler_version_str)
# If building for 64bit architecture, disable assembly optimisations for 32 bit builds (theora as of writing)... vc compiler for 64bit can not compile _asm
if(compiler_version_str == "amd64" or compiler_version_str == "x86_amd64"):
env["bits"] = "64"
env["x86_libtheora_opt_vc"] = False
print("Compiled program architecture will be a 64 bit executable (forcing bits=64).")
elif (compiler_version_str == "x86" or compiler_version_str == "amd64_x86"):
print("Compiled program architecture will be a 32 bit executable. (forcing bits=32).")
else:
print("Failed to manually detect MSVC compiler architecture version... Defaulting to 32bit executable settings (forcing bits=32). Compilation attempt will continue, but SCons can not detect for what architecture this build is compiled for. You should check your settings/compilation setup, or avoid setting VCINSTALLDIR.")
def setup_msvc_auto(env):
"""Set up MSVC using SCons's auto-detection logic"""
# If MSVC_VERSION is set by SCons, we know MSVC is installed.
# But we may want a different version or target arch.
# The env may have already been set up with default MSVC tools, so
# reset a few things so we can set it up with the tools we want.
# (Ideally we'd decide on the tool config before configuring any
# environment, and just set the env up once, but this function runs
# on an existing env so this is the simplest way.)
env['MSVC_SETUP_RUN'] = False # Need to set this to re-run the tool
env['MSVS_VERSION'] = None
env['MSVC_VERSION'] = None
env['TARGET_ARCH'] = None
if env['bits'] != 'default':
env['TARGET_ARCH'] = {'32': 'x86', '64': 'x86_64'}[env['bits']]
if env.has_key('msvc_version'):
env['MSVC_VERSION'] = env['msvc_version']
env.Tool('msvc')
env.Tool('mssdk') # we want the MS SDK
# Note: actual compiler version can be found in env['MSVC_VERSION'], e.g. "14.1" for VS2015
# Get actual target arch into bits (it may be "default" at this point):
if env['TARGET_ARCH'] in ('amd64', 'x86_64'):
env['bits'] = 64
else:
env['bits'] = 32
print(" Found MSVC version %s, arch %s, bits=%s" % (env['MSVC_VERSION'], env['TARGET_ARCH'], env['bits']))
if env['TARGET_ARCH'] in ('amd64', 'x86_64'):
env["x86_libtheora_opt_vc"] = False
def setup_mingw(env):
"""Set up env for use with mingw"""
# Nothing to do here
print("Using Mingw")
pass
def configure_msvc(env, manual_msvc_config):
"""Configure env to work with MSVC"""
# Build type
if (env["target"] == "release"):
env.Append(CCFLAGS=['/O2'])
env.Append(LINKFLAGS=['/SUBSYSTEM:WINDOWS'])
env.Append(LINKFLAGS=['/ENTRY:mainCRTStartup'])
elif (env["target"] == "release_debug"):
env.Append(CCFLAGS=['/O2'])
env.AppendUnique(CPPDEFINES = ['DEBUG_ENABLED'])
env.Append(LINKFLAGS=['/SUBSYSTEM:CONSOLE'])
elif (env["target"] == "debug_release"):
env.Append(CCFLAGS=['/Z7', '/Od'])
env.Append(LINKFLAGS=['/DEBUG'])
env.Append(LINKFLAGS=['/SUBSYSTEM:WINDOWS'])
env.Append(LINKFLAGS=['/ENTRY:mainCRTStartup'])
elif (env["target"] == "debug"):
env.AppendUnique(CCFLAGS=['/Z7', '/Od', '/EHsc'])
env.AppendUnique(CPPDEFINES = ['DEBUG_ENABLED', 'DEBUG_MEMORY_ENABLED',
'D3D_DEBUG_INFO'])
env.Append(LINKFLAGS=['/SUBSYSTEM:CONSOLE'])
env.Append(LINKFLAGS=['/DEBUG'])
## Compile/link flags
env.AppendUnique(CCFLAGS=['/MT', '/Gd', '/GR', '/nologo'])
env.AppendUnique(CXXFLAGS=['/TP']) # assume all sources are C++
if manual_msvc_config: # should be automatic if SCons found it
if os.getenv("WindowsSdkDir") is not None:
env.Append(CPPPATH=[os.getenv("WindowsSdkDir") + "/Include"])
else:
print("Missing environment variable: WindowsSdkDir")
env.AppendUnique(CPPDEFINES = ['WINDOWS_ENABLED', 'OPENGL_ENABLED',
'RTAUDIO_ENABLED', 'WASAPI_ENABLED',
'TYPED_METHOD_BIND', 'WIN32', 'MSVC',
{'WINVER' : '$target_win_version',
'_WIN32_WINNT': '$target_win_version'}])
if env["bits"] == "64":
env.AppendUnique(CPPDEFINES=['_WIN64'])
## Libs
LIBS = ['winmm', 'opengl32', 'dsound', 'kernel32', 'ole32', 'oleaut32',
'user32', 'gdi32', 'IPHLPAPI', 'Shlwapi', 'wsock32', 'Ws2_32',
'shell32', 'advapi32', 'dinput8', 'dxguid', 'imm32', 'bcrypt']
env.Append(LINKFLAGS=[p + env["LIBSUFFIX"] for p in LIBS])
if manual_msvc_config:
if os.getenv("WindowsSdkDir") is not None:
env.Append(LIBPATH=[os.getenv("WindowsSdkDir") + "/Lib"])
else:
print("Missing environment variable: WindowsSdkDir")
## LTO
if (env["use_lto"]):
env.AppendUnique(CCFLAGS=['/GL'])
env.AppendUnique(ARFLAGS=['/LTCG'])
if env["progress"]:
env.AppendUnique(LINKFLAGS=['/LTCG:STATUS'])
else:
env.AppendUnique(LINKFLAGS=['/LTCG'])
if manual_msvc_config:
env.Append(CPPPATH=[p for p in os.getenv("INCLUDE").split(";")])
env.Append(LIBPATH=[p for p in os.getenv("LIB").split(";")])
# Incremental linking fix
env['BUILDERS']['ProgramOriginal'] = env['BUILDERS']['Program']
env['BUILDERS']['Program'] = methods.precious_program
def configure_mingw(env):
# Workaround for MinGW. See:
# http://www.scons.org/wiki/LongCmdLinesOnWin32
env.use_windows_spawn_fix()
## Build type
if (env["target"] == "release"):
env.Append(CCFLAGS=['-msse2'])
if (env["bits"] == "64"):
env.Append(CCFLAGS=['-O3'])
else:
env.Append(CCFLAGS=['-O2'])
env.Append(LINKFLAGS=['-Wl,--subsystem,windows'])
if (env["debug_symbols"] == "yes"):
env.Prepend(CCFLAGS=['-g1'])
if (env["debug_symbols"] == "full"):
env.Prepend(CCFLAGS=['-g2'])
elif (env["target"] == "release_debug"):
env.Append(CCFLAGS=['-O2', '-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.Append(CCFLAGS=['-g3', '-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED'])
## Compiler configuration
if (os.name == "nt"):
env['ENV']['TMP'] = os.environ['TMP'] # way to go scons, you can be so stupid sometimes
else:
env["PROGSUFFIX"] = env["PROGSUFFIX"] + ".exe" # for linux cross-compilation
if (env["bits"] == "default"):
if (os.name == "nt"):
env["bits"] = "64" if "PROGRAMFILES(X86)" in os.environ else "32"
else: # default to 64-bit on Linux
env["bits"] = "64"
mingw_prefix = ""
if (env["bits"] == "32"):
env.Append(LINKFLAGS=['-static'])
env.Append(LINKFLAGS=['-static-libgcc'])
env.Append(LINKFLAGS=['-static-libstdc++'])
mingw_prefix = env["mingw_prefix_32"]
else:
env.Append(LINKFLAGS=['-static'])
mingw_prefix = env["mingw_prefix_64"]
env["CC"] = mingw_prefix + "gcc"
env['AS'] = mingw_prefix + "as"
env['CXX'] = mingw_prefix + "g++"
env['AR'] = mingw_prefix + "gcc-ar"
env['RANLIB'] = mingw_prefix + "gcc-ranlib"
env['LINK'] = mingw_prefix + "g++"
env["x86_libtheora_opt_gcc"] = True
if env['use_lto']:
env.Append(CCFLAGS=['-flto'])
env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))])
## Compile flags
env.Append(CCFLAGS=['-DWINDOWS_ENABLED', '-mwindows'])
env.Append(CCFLAGS=['-DOPENGL_ENABLED'])
env.Append(CCFLAGS=['-DRTAUDIO_ENABLED'])
env.Append(CCFLAGS=['-DWASAPI_ENABLED'])
env.Append(CCFLAGS=['-DWINVER=%s' % env['target_win_version'], '-D_WIN32_WINNT=%s' % env['target_win_version']])
env.Append(LIBS=['mingw32', 'opengl32', 'dsound', 'ole32', 'd3d9', 'winmm', 'gdi32', 'iphlpapi', 'shlwapi', 'wsock32', 'ws2_32', 'kernel32', 'oleaut32', 'dinput8', 'dxguid', 'ksuser', 'imm32', 'bcrypt'])
env.Append(CPPFLAGS=['-DMINGW_ENABLED'])
# resrc
env.Append(BUILDERS={'RES': env.Builder(action=build_res_file, suffix='.o', src_suffix='.rc')})
def configure(env):
# At this point the env has been set up with basic tools/compilers.
env.Append(CPPPATH=['#platform/windows'])
print("Configuring for Windows: target=%s, bits=%s" % (env['target'], env['bits']))
if (os.name == "nt"):
env['ENV'] = os.environ # this makes build less repeatable, but simplifies some things
env['ENV']['TMP'] = os.environ['TMP']
# First figure out which compiler, version, and target arch we're using
if os.getenv("VCINSTALLDIR"):
# Manual setup of MSVC
setup_msvc_manual(env)
env.msvc = True
manual_msvc_config = True
elif env.get('MSVC_VERSION', ''):
setup_msvc_auto(env)
env.msvc = True
manual_msvc_config = False
else:
setup_mingw(env)
env.msvc = False
# Now set compiler/linker flags
if env.msvc:
configure_msvc(env, manual_msvc_config)
else: # MinGW
configure_mingw(env)