This repairs LTO on X11 and adds it to MingW targets. The difference in linktime is substantial, but runtime performance is quite a bit better.
281 lines
11 KiB
Python
281 lines
11 KiB
Python
import methods
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import os
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import sys
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def is_active():
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return True
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def get_name():
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return "Windows"
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def can_build():
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if (os.name == "nt"):
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# Building natively on Windows
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if (os.getenv("VCINSTALLDIR")): # MSVC
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return True
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print("MSVC not detected (no VCINSTALLDIR environment variable), attempting MinGW.")
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mingw32 = ""
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mingw64 = ""
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if (os.getenv("MINGW32_PREFIX")):
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mingw32 = os.getenv("MINGW32_PREFIX")
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if (os.getenv("MINGW64_PREFIX")):
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mingw64 = os.getenv("MINGW64_PREFIX")
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test = "gcc --version > NUL 2>&1"
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if (os.system(test) == 0 or os.system(mingw32 + test) == 0 or os.system(mingw64 + test) == 0):
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return True
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if (os.name == "posix"):
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# Cross-compiling with MinGW-w64 (old MinGW32 is not supported)
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mingw32 = "i686-w64-mingw32-"
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mingw64 = "x86_64-w64-mingw32-"
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if (os.getenv("MINGW32_PREFIX")):
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mingw32 = os.getenv("MINGW32_PREFIX")
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if (os.getenv("MINGW64_PREFIX")):
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mingw64 = os.getenv("MINGW64_PREFIX")
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test = "gcc --version > /dev/null 2>&1"
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if (os.system(mingw64 + test) == 0 or os.system(mingw32 + test) == 0):
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return True
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print("Could not detect MinGW. Ensure its binaries are in your PATH or that MINGW32_PREFIX or MINGW64_PREFIX are properly defined.")
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return False
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def get_opts():
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mingw32 = ""
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mingw64 = ""
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if (os.name == "posix"):
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mingw32 = "i686-w64-mingw32-"
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mingw64 = "x86_64-w64-mingw32-"
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if (os.getenv("MINGW32_PREFIX")):
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mingw32 = os.getenv("MINGW32_PREFIX")
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if (os.getenv("MINGW64_PREFIX")):
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mingw64 = os.getenv("MINGW64_PREFIX")
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return [
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('mingw_prefix_32', 'MinGW prefix (Win32)', mingw32),
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('mingw_prefix_64', 'MinGW prefix (Win64)', mingw64),
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('use_lto', 'Use link time optimization (when using MingW)', 'no'),
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('debug_symbols', 'Add debug symbols to release version (yes/no/full)', 'yes')
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]
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def get_flags():
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return [
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]
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def build_res_file(target, source, env):
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if (env["bits"] == "32"):
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cmdbase = env['mingw_prefix_32']
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else:
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cmdbase = env['mingw_prefix_64']
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cmdbase = cmdbase + 'windres --include-dir . '
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import subprocess
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for x in range(len(source)):
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cmd = cmdbase + '-i ' + str(source[x]) + ' -o ' + str(target[x])
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try:
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out = subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE).communicate()
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if len(out[1]):
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return 1
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except:
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return 1
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return 0
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def configure(env):
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env.Append(CPPPATH=['#platform/windows'])
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# Targeted Windows version: 7 (and later), minimum supported version
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# XP support dropped after EOL due to missing API for IPv6 and other issues
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# Vista support dropped after EOL due to GH-10243
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winver = "0x0601"
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if (os.name == "nt" and os.getenv("VCINSTALLDIR")): # MSVC
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env['ENV']['TMP'] = os.environ['TMP']
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## Build type
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if (env["target"] == "release"):
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env.Append(CCFLAGS=['/O2'])
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env.Append(LINKFLAGS=['/SUBSYSTEM:WINDOWS'])
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env.Append(LINKFLAGS=['/ENTRY:mainCRTStartup'])
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elif (env["target"] == "release_debug"):
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env.Append(CCFLAGS=['/O2', '/DDEBUG_ENABLED'])
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env.Append(LINKFLAGS=['/SUBSYSTEM:CONSOLE'])
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elif (env["target"] == "debug_release"):
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env.Append(CCFLAGS=['/Z7', '/Od'])
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env.Append(LINKFLAGS=['/DEBUG'])
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env.Append(LINKFLAGS=['/SUBSYSTEM:WINDOWS'])
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env.Append(LINKFLAGS=['/ENTRY:mainCRTStartup'])
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elif (env["target"] == "debug"):
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env.Append(CCFLAGS=['/Z7', '/DDEBUG_ENABLED', '/DDEBUG_MEMORY_ENABLED', '/DD3D_DEBUG_INFO', '/Od', '/EHsc'])
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env.Append(LINKFLAGS=['/SUBSYSTEM:CONSOLE'])
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env.Append(LINKFLAGS=['/DEBUG'])
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## Architecture
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# Note: this detection/override code from here onward should be here instead of in SConstruct because it's platform and compiler specific (MSVC/Windows)
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if (env["bits"] != "default"):
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print("Error: bits argument is disabled for MSVC")
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print("""
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Bits argument is not supported for MSVC compilation. Architecture depends on the Native/Cross Compile Tools Prompt/Developer Console
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(or Visual Studio settings) that is being used to run SCons. As a consequence, bits argument is disabled. Run scons again without bits
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argument (example: scons p=windows) and SCons will attempt to detect what MSVC compiler will be executed and inform you.
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""")
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sys.exit()
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# Forcing bits argument because MSVC does not have a flag to set this through SCons... it's different compilers (cl.exe's) called from the proper command prompt
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# that decide the architecture that is build for. Scons can only detect the os.getenviron (because vsvarsall.bat sets a lot of stuff for cl.exe to work with)
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env["bits"] = "32"
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env["x86_libtheora_opt_vc"] = True
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## Compiler configuration
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env['ENV'] = os.environ
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# This detection function needs the tools env (that is env['ENV'], not SCons's env), and that is why it's this far bellow in the code
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compiler_version_str = methods.detect_visual_c_compiler_version(env['ENV'])
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print("Detected MSVC compiler: " + compiler_version_str)
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# If building for 64bit architecture, disable assembly optimisations for 32 bit builds (theora as of writting)... vc compiler for 64bit can not compile _asm
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if(compiler_version_str == "amd64" or compiler_version_str == "x86_amd64"):
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env["bits"] = "64"
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env["x86_libtheora_opt_vc"] = False
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print("Compiled program architecture will be a 64 bit executable (forcing bits=64).")
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elif (compiler_version_str == "x86" or compiler_version_str == "amd64_x86"):
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print("Compiled program architecture will be a 32 bit executable. (forcing bits=32).")
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else:
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print("Failed to 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.")
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## Compile flags
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env.Append(CCFLAGS=['/MT', '/Gd', '/GR', '/nologo'])
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env.Append(CXXFLAGS=['/TP'])
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env.Append(CPPFLAGS=['/DMSVC', '/GR', ])
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env.Append(CCFLAGS=['/I' + os.getenv("WindowsSdkDir") + "/Include"])
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env.Append(CCFLAGS=['/DWINDOWS_ENABLED'])
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env.Append(CCFLAGS=['/DOPENGL_ENABLED'])
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env.Append(CCFLAGS=['/DRTAUDIO_ENABLED'])
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env.Append(CCFLAGS=['/DWASAPI_ENABLED'])
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env.Append(CCFLAGS=['/DTYPED_METHOD_BIND'])
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env.Append(CCFLAGS=['/DWIN32'])
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env.Append(CCFLAGS=['/DWINVER=%s' % winver, '/D_WIN32_WINNT=%s' % winver])
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if env["bits"] == "64":
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env.Append(CCFLAGS=['/D_WIN64'])
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LIBS = ['winmm', 'opengl32', 'dsound', 'kernel32', 'ole32', 'oleaut32', 'user32', 'gdi32', 'IPHLPAPI', 'Shlwapi', 'wsock32', 'Ws2_32', 'shell32', 'advapi32', 'dinput8', 'dxguid']
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env.Append(LINKFLAGS=[p + env["LIBSUFFIX"] for p in LIBS])
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env.Append(LIBPATH=[os.getenv("WindowsSdkDir") + "/Lib"])
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if (os.getenv("VCINSTALLDIR")):
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VC_PATH = os.getenv("VCINSTALLDIR")
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else:
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VC_PATH = ""
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env.Append(CCFLAGS=["/I" + p for p in os.getenv("INCLUDE").split(";")])
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env.Append(LIBPATH=[p for p in os.getenv("LIB").split(";")])
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# Incremental linking fix
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env['BUILDERS']['ProgramOriginal'] = env['BUILDERS']['Program']
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env['BUILDERS']['Program'] = methods.precious_program
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else: # MinGW
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# Workaround for MinGW. See:
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# http://www.scons.org/wiki/LongCmdLinesOnWin32
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env.use_windows_spawn_fix()
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## Build type
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if (env["target"] == "release"):
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env.Append(CCFLAGS=['-msse2'])
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if (env["bits"] == "64"):
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env.Append(CCFLAGS=['-O3'])
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else:
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env.Append(CCFLAGS=['-O2'])
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env.Append(LINKFLAGS=['-Wl,--subsystem,windows'])
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if (env["debug_symbols"] == "yes"):
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env.Prepend(CCFLAGS=['-g1'])
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if (env["debug_symbols"] == "full"):
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env.Prepend(CCFLAGS=['-g2'])
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elif (env["target"] == "release_debug"):
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env.Append(CCFLAGS=['-O2', '-DDEBUG_ENABLED'])
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if (env["debug_symbols"] == "yes"):
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env.Prepend(CCFLAGS=['-g1'])
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if (env["debug_symbols"] == "full"):
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env.Prepend(CCFLAGS=['-g2'])
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elif (env["target"] == "debug"):
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env.Append(CCFLAGS=['-g3', '-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED'])
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## Compiler configuration
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if (os.name == "nt"):
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env['ENV']['TMP'] = os.environ['TMP'] # way to go scons, you can be so stupid sometimes
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else:
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env["PROGSUFFIX"] = env["PROGSUFFIX"] + ".exe" # for linux cross-compilation
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if (env["bits"] == "default"):
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if (os.name == "nt"):
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env["bits"] = "64" if "PROGRAMFILES(X86)" in os.environ else "32"
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else: # default to 64-bit on Linux
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env["bits"] = "64"
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mingw_prefix = ""
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if (env["bits"] == "32"):
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env.Append(LINKFLAGS=['-static'])
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env.Append(LINKFLAGS=['-static-libgcc'])
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env.Append(LINKFLAGS=['-static-libstdc++'])
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mingw_prefix = env["mingw_prefix_32"]
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else:
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env.Append(LINKFLAGS=['-static'])
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mingw_prefix = env["mingw_prefix_64"]
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env["CC"] = mingw_prefix + "gcc"
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env['AS'] = mingw_prefix + "as"
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env['CXX'] = mingw_prefix + "g++"
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env['AR'] = mingw_prefix + "gcc-ar"
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env['RANLIB'] = mingw_prefix + "gcc-ranlib"
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env['LD'] = mingw_prefix + "g++"
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env["x86_libtheora_opt_gcc"] = True
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if (env["use_lto"] == "yes"):
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env.Append(CCFLAGS=['-flto'])
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env.Append(LINKFLAGS=['-flto'])
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## Compile flags
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env.Append(CCFLAGS=['-DWINDOWS_ENABLED', '-mwindows'])
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env.Append(CCFLAGS=['-DOPENGL_ENABLED'])
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env.Append(CCFLAGS=['-DRTAUDIO_ENABLED'])
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env.Append(CCFLAGS=['-DWASAPI_ENABLED'])
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env.Append(CCFLAGS=['-DWINVER=%s' % winver, '-D_WIN32_WINNT=%s' % winver])
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env.Append(LIBS=['mingw32', 'opengl32', 'dsound', 'ole32', 'd3d9', 'winmm', 'gdi32', 'iphlpapi', 'shlwapi', 'wsock32', 'ws2_32', 'kernel32', 'oleaut32', 'dinput8', 'dxguid', 'ksuser'])
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env.Append(CPPFLAGS=['-DMINGW_ENABLED'])
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# resrc
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env.Append(BUILDERS={'RES': env.Builder(action=build_res_file, suffix='.o', src_suffix='.rc')})
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