diff options
Diffstat (limited to 'platform/x11/detect.py')
| -rw-r--r-- | platform/x11/detect.py | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/platform/x11/detect.py b/platform/x11/detect.py index 5f7b825f5e..f8ae5e9acb 100644 --- a/platform/x11/detect.py +++ b/platform/x11/detect.py @@ -1,7 +1,7 @@ import os import platform import sys -from methods import get_compiler_version, using_gcc +from methods import get_compiler_version, using_gcc, using_clang def is_active(): @@ -58,11 +58,13 @@ def get_opts(): 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_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('pulseaudio', 'Detect & use pulseaudio', True), + 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), @@ -97,9 +99,10 @@ def configure(env): elif (env["target"] == "release_debug"): if (env["optimize"] == "speed"): #optimize for speed (default) - env.Prepend(CCFLAGS=['-O2', '-DDEBUG_ENABLED']) + env.Prepend(CCFLAGS=['-O2']) else: #optimize for size - env.Prepend(CCFLAGS=['-Os', '-DDEBUG_ENABLED']) + env.Prepend(CCFLAGS=['-Os']) + env.Prepend(CPPFLAGS=['-DDEBUG_ENABLED']) if (env["debug_symbols"] == "yes"): env.Prepend(CCFLAGS=['-g1']) @@ -107,7 +110,8 @@ def configure(env): env.Prepend(CCFLAGS=['-g2']) elif (env["target"] == "debug"): - env.Prepend(CCFLAGS=['-g3', '-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED']) + env.Prepend(CCFLAGS=['-g3']) + env.Prepend(CPPFLAGS=['-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED']) env.Append(LINKFLAGS=['-rdynamic']) ## Architecture @@ -130,6 +134,15 @@ def configure(env): env.Append(CPPFLAGS=['-DTYPED_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_ubsan'] or env['use_asan'] or env['use_lsan']: env.extra_suffix += "s" @@ -147,11 +160,17 @@ def configure(env): 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(CCFLAGS=['-flto']) env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))]) else: - env.Append(LINKFLAGS=['-flto']) + 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' @@ -165,6 +184,12 @@ def configure(env): if version != None and version[0] >= '6': env.Append(CCFLAGS=['-fpie']) env.Append(LINKFLAGS=['-no-pie']) + # Do the same for clang should be fine with Clang 4 and higher + if using_clang(env): + version = get_compiler_version(env) + if version != None and version[0] >= '4': + env.Append(CCFLAGS=['-fpie']) + env.Append(LINKFLAGS=['-no-pie']) ## Dependencies @@ -307,10 +332,10 @@ def configure(env): ## Cross-compilation if (is64 and env["bits"] == "32"): - env.Append(CPPFLAGS=['-m32']) + env.Append(CCFLAGS=['-m32']) env.Append(LINKFLAGS=['-m32', '-L/usr/lib/i386-linux-gnu']) elif (not is64 and env["bits"] == "64"): - env.Append(CPPFLAGS=['-m64']) + env.Append(CCFLAGS=['-m64']) env.Append(LINKFLAGS=['-m64', '-L/usr/lib/i686-linux-gnu']) # Link those statically for portability |