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Add support for linking using LLD on X11

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LLD is often faster than GNU ld and gold, resulting in a better
development experience.

This closes #15364.
This commit is contained in:
Hugo Locurcio 2019-03-18 14:37:25 +01:00
parent df7d3708c5
commit fd7f253649
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GPG Key ID: 39E8F8BE30B0A49C
1 changed files with 9 additions and 1 deletions
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10
platform/x11/detect.py
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@ -58,11 +58,12 @@ def get_opts():
return [
BoolVariable('use_llvm', 'Use the LLVM compiler', False),
BoolVariable('use_lld', 'Use the LLD linker', 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),
@ -130,6 +131,12 @@ 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'])
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"
@ -148,6 +155,7 @@ def configure(env):
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: