diff --git a/scripts/waifulib/compiler_optimizations.py b/scripts/waifulib/compiler_optimizations.py new file mode 100644 index 00000000..e964c812 --- /dev/null +++ b/scripts/waifulib/compiler_optimizations.py @@ -0,0 +1,167 @@ +# encoding: utf-8 +# compiler_optimizations.py -- main entry point for configuring C/C++ compilers +# Copyright (C) 2021 a1batross +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +try: from fwgslib import get_flags_by_type, get_flags_by_compiler +except: from waflib.extras.fwgslib import get_flags_by_type, get_flags_by_compiler +from waflib.Configure import conf +from waflib import Logs + +''' +Flags can be overriden and new types can be added +by importing this as normal Python module + +Example: +#!/usr/bin/env python +from waflib.extras import compiler_optimizations + +compiler_optimizations.VALID_BUILD_TYPES += 'gottagofast' +compiler_optimizations.CFLAGS['gottagofast'] = { + 'gcc': ['-Ogentoo'] +} +''' + +VALID_BUILD_TYPES = ['fastnative', 'fast', 'release', 'debug', 'nooptimize', 'sanitize', 'none'] + +LINKFLAGS = { + 'common': { + 'msvc': ['/DEBUG'], # always create PDB, doesn't affect result binaries + 'gcc': ['-Wl,--no-undefined'], + 'owcc': ['-Wl,option stack=512k'] + }, + 'sanitize': { + 'clang': ['-fsanitize=undefined', '-fsanitize=address', '-pthread'], + 'gcc': ['-fsanitize=undefined', '-fsanitize=address', '-pthread'], + }, + 'debug': { + 'msvc': ['/INCREMENTAL', '/SAFESEH:NO'] + } +} + +CFLAGS = { + 'common': { + # disable thread-safe local static initialization for C++11 code, as it cause crashes on Windows XP + 'msvc': ['/D_USING_V110_SDK71_', '/FS', '/Zc:threadSafeInit-', '/MT'], + 'clang': ['-g', '-gdwarf-2', '-fvisibility=hidden', '-fno-threadsafe-statics'], + 'gcc': ['-g', '-fvisibility=hidden'], + 'owcc': ['-fno-short-enum', '-ffloat-store', '-g3'] + }, + 'fast': { + 'msvc': ['/O2', '/Oy', '/Zi'], + 'gcc': { + '3': ['-O3', '-fomit-frame-pointer'], + 'default': ['-Ofast', '-funsafe-math-optimizations', '-funsafe-loop-optimizations', '-fomit-frame-pointer'] + }, + 'clang': ['-Ofast'], + 'default': ['-O3'] + }, + 'fastnative': { + 'msvc': ['/O2', '/Oy', '/Zi'], + 'gcc': ['-Ofast', '-march=native', '-funsafe-math-optimizations', '-funsafe-loop-optimizations', '-fomit-frame-pointer'], + 'clang': ['-Ofast', '-march=native'], + 'default': ['-O3'] + }, + 'release': { + 'msvc': ['/O2', '/Zi'], + 'owcc': ['-O3', '-foptimize-sibling-calls', '-fomit-leaf-frame-pointer', '-fomit-frame-pointer', '-fschedule-insns', '-funsafe-math-optimizations', '-funroll-loops', '-frerun-optimizer', '-finline-functions', '-finline-limit=512', '-fguess-branch-probability', '-fno-strict-aliasing', '-floop-optimize'], + 'default': ['-O3'] + }, + 'debug': { + 'msvc': ['/Od', '/ZI'], + 'owcc': ['-O0', '-fno-omit-frame-pointer', '-funwind-tables', '-fno-omit-leaf-frame-pointer'], + 'default': ['-O0'] + }, + 'sanitize': { + 'msvc': ['/Od', '/RTC1', '/Zi'], + 'gcc': ['-Og', '-fsanitize=undefined', '-fsanitize=address', '-pthread'], + 'clang': ['-O0', '-fsanitize=undefined', '-fsanitize=address', '-pthread'], + 'default': ['-O0'] + }, + 'nooptimize': { + 'msvc': ['/Od', '/Zi'], + 'default': ['-O0'] + } +} + +LTO_CFLAGS = { + 'msvc': ['/GL'], + 'gcc': ['-flto'], + 'clang': ['-flto'] +} + +LTO_LINKFLAGS = { + 'msvc': ['/LTCG'], + 'gcc': ['-flto'], + 'clang': ['-flto'] +} + +POLLY_CFLAGS = { + 'gcc': ['-fgraphite-identity'], + 'clang': ['-mllvm', '-polly'] + # msvc sosat :( +} + +def options(opt): + grp = opt.add_option_group('Compiler optimization options') + + grp.add_option('-T', '--build-type', action='store', dest='BUILD_TYPE', default=None, + help = 'build type: debug, release or none(custom flags)') + + grp.add_option('--enable-lto', action = 'store_true', dest = 'LTO', default = False, + help = 'enable Link Time Optimization if possible [default: %default]') + + grp.add_option('--enable-poly-opt', action = 'store_true', dest = 'POLLY', default = False, + help = 'enable polyhedral optimization if possible [default: %default]') + +def configure(conf): + conf.start_msg('Build type') + if conf.options.BUILD_TYPE == None: + conf.end_msg('not set', color='RED') + conf.fatal('Set a build type, for example "-T release"') + elif not conf.options.BUILD_TYPE in VALID_BUILD_TYPES: + conf.end_msg(conf.options.BUILD_TYPE, color='RED') + conf.fatal('Invalid build type. Valid are: %s' % ', '.join(VALID_BUILD_TYPES)) + conf.end_msg(conf.options.BUILD_TYPE) + + conf.msg('LTO build', 'yes' if conf.options.LTO else 'no') + conf.msg('PolyOpt build', 'yes' if conf.options.POLLY else 'no') + + # -march=native should not be used + if conf.options.BUILD_TYPE.startswith('fast'): + Logs.warn('WARNING: \'%s\' build type should not be used in release builds', conf.options.BUILD_TYPE) + + try: + conf.env.CC_VERSION[0] + except IndexError: + conf.env.CC_VERSION = (0,) + +@conf +def get_optimization_flags(conf): + '''Returns a list of compile flags, + depending on build type and options set by user + + NOTE: it doesn't filter out unsupported flags + + :returns: tuple of cflags and linkflags + ''' + linkflags = conf.get_flags_by_type(LINKFLAGS, conf.options.BUILD_TYPE, conf.env.COMPILER_CC, conf.env.CC_VERSION[0]) + + cflags = conf.get_flags_by_type(CFLAGS, conf.options.BUILD_TYPE, conf.env.COMPILER_CC, conf.env.CC_VERSION[0]) + + if conf.options.LTO: + linkflags+= conf.get_flags_by_compiler(LTO_LINKFLAGS, conf.env.COMPILER_CC) + cflags += conf.get_flags_by_compiler(LTO_CFLAGS, conf.env.COMPILER_CC) + + if conf.options.POLLY: + cflags += conf.get_flags_by_compiler(POLLY_CFLAGS, conf.env.COMPILER_CC) + + return cflags, linkflags diff --git a/wscript b/wscript index 200b1e82..336e8d34 100644 --- a/wscript +++ b/wscript @@ -22,9 +22,6 @@ def get_taskgen_count(self): def options(opt): grp = opt.add_option_group('Common options') - grp.add_option('-T', '--build-type', action='store', dest='BUILD_TYPE', default = None, - help = 'build type: debug, release or none(custom flags)') - grp.add_option('-8', '--64bits', action = 'store_true', dest = 'ALLOW64', default = False, help = 'allow targetting 64-bit engine(Linux/Windows/OSX x86 only) [default: %default]') @@ -34,13 +31,7 @@ def options(opt): grp.add_option('--enable-goldsrc-support', action = 'store_true', dest = 'GOLDSRC', default = False, help = 'enable GoldSource engine support [default: %default]') - grp.add_option('--enable-lto', action = 'store_true', dest = 'LTO', default = False, - help = 'enable Link Time Optimization [default: %default]') - - grp.add_option('--enable-poly-opt', action = 'store_true', dest = 'POLLY', default = False, - help = 'enable polyhedral optimization if possible [default: %default]') - - opt.load('subproject') + opt.load('compiler_optimizations subproject') opt.add_subproject(['cl_dll', 'dlls']) @@ -57,23 +48,9 @@ def configure(conf): conf.env.SERVER_NAME = 'hl' conf.env.PREFIX = '' - conf.load('fwgslib reconfigure enforce_pic') + conf.load('fwgslib reconfigure compiler_optimizations enforce_pic') enforce_pic = True # modern defaults - valid_build_types = ['fastnative', 'fast', 'release', 'debug', 'nooptimize', 'sanitize', 'none'] - conf.load('fwgslib reconfigure') - conf.start_msg('Build type') - if conf.options.BUILD_TYPE == None: - conf.end_msg('not set', color='RED') - conf.fatal('Please set a build type, for example "-T release"') - elif not conf.options.BUILD_TYPE in valid_build_types: - conf.end_msg(conf.options.BUILD_TYPE, color='RED') - conf.fatal('Invalid build type. Valid are: %s' % ', '.join(valid_build_types)) - conf.end_msg(conf.options.BUILD_TYPE) - - # -march=native should not be used - if conf.options.BUILD_TYPE == 'fast': - Logs.warn('WARNING: \'fast\' build type should not be used in release builds') conf.env.VOICEMGR = conf.options.VOICEMGR conf.env.GOLDSRC = conf.options.GOLDSRC @@ -96,11 +73,6 @@ def configure(conf): conf.load('msvs msdev strip_on_install') - try: - conf.env.CC_VERSION[0] - except IndexError: - conf.env.CC_VERSION = (0, ) - if conf.env.DEST_OS == 'android': conf.options.GOLDSRC = False conf.env.SERVER_NAME = 'server' # can't be any other name, until specified @@ -121,60 +93,6 @@ def configure(conf): conf.env.BIT32_MANDATORY = not conf.env.BIT32_ALLOW64 conf.load('force_32bit library_naming') - linker_flags = { - 'common': { - 'msvc': ['/DEBUG'], # always create PDB, doesn't affect result binaries - 'gcc': ['-Wl,--no-undefined'] - }, - 'sanitize': { - 'clang': ['-fsanitize=undefined', '-fsanitize=address'], - 'gcc': ['-fsanitize=undefined', '-fsanitize=address'], - } - } - - compiler_c_cxx_flags = { - 'common': { - # disable thread-safe local static initialization for C++11 code, as it cause crashes on Windows XP - 'msvc': ['/D_USING_V110_SDK71_', '/Zi', '/FS', '/Zc:threadSafeInit-', '/MT'], - 'clang': ['-g', '-gdwarf-2', '-fvisibility=hidden'], - 'gcc': ['-g'] - }, - 'fast': { - 'msvc': ['/O2', '/Oy'], - 'gcc': { - '3': ['-O3', '-Os', '-funsafe-math-optimizations', '-fomit-frame-pointer'], - 'default': ['-Ofast', '-funsafe-math-optimizations', '-funsafe-loop-optimizations', '-fomit-frame-pointer'] - }, - 'clang': ['-Ofast'], - 'default': ['-O3'] - }, - 'fastnative': { - 'msvc': ['/O2', '/Oy'], - 'gcc': ['-Ofast', '-march=native', '-funsafe-math-optimizations', '-funsafe-loop-optimizations', '-fomit-frame-pointer'], - 'clang': ['-Ofast', '-march=native'], - 'default': ['-O3'] - }, - 'release': { - 'msvc': ['/O2'], - 'default': ['-O3'] - }, - 'debug': { - 'msvc': ['/O1'], - 'gcc': ['-Og'], - 'default': ['-O1'] - }, - 'sanitize': { - 'msvc': ['/Od', '/RTC1'], - 'gcc': ['-Og', '-fsanitize=undefined', '-fsanitize=address'], - 'clang': ['-O0', '-fsanitize=undefined', '-fsanitize=address'], - 'default': ['-O0'] - }, - 'nooptimize': { - 'msvc': ['/Od'], - 'default': ['-O0'] - } - } - compiler_optional_flags = [ '-fdiagnostics-color=always', '-Werror=return-type', @@ -194,8 +112,7 @@ def configure(conf): '-Werror=declaration-after-statement' ] - linkflags = conf.get_flags_by_type(linker_flags, conf.options.BUILD_TYPE, conf.env.COMPILER_CC, conf.env.CC_VERSION[0]) - cflags = conf.get_flags_by_type(compiler_c_cxx_flags, conf.options.BUILD_TYPE, conf.env.COMPILER_CC, conf.env.CC_VERSION[0]) + cflags, linkflags = conf.get_optimization_flags() # Here we don't differentiate C or C++ flags if conf.options.LTO: