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SCons: make use_lto a global option and opt-in for iphone

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Supersedes #12553, see discussion in #12552.
This commit is contained in:
Rémi Verschelde 2017-11-02 09:11:29 +01:00
parent 51b7fd90e6
commit cefdb34f6c
4 changed files with 7 additions and 4 deletions
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1
SConstruct
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@ -143,6 +143,7 @@ opts.Add('p', "Platform (alias for 'platform')", '')
opts.Add('platform', "Target platform (%s)" % ('|'.join(platform_list), ), '')
opts.Add(EnumVariable('target', "Compilation target", 'debug', ('debug', 'release_debug', 'release')))
opts.Add(BoolVariable('tools', "Build the tools a.k.a. the Godot editor", True))
opts.Add(BoolVariable('use_lto', 'Use linking time optimization', False))
# Components
opts.Add(BoolVariable('deprecated', "Enable deprecated features", True))

8
platform/iphone/detect.py
View File

@ -47,8 +47,8 @@ def configure(env):
if (env["target"].startswith("release")):
env.Append(CPPFLAGS=['-DNDEBUG', '-DNS_BLOCK_ASSERTIONS=1'])
env.Append(CPPFLAGS=['-O2', '-flto', '-ftree-vectorize', '-fomit-frame-pointer', '-ffast-math', '-funsafe-math-optimizations'])
env.Append(LINKFLAGS=['-O2', '-flto'])
env.Append(CPPFLAGS=['-O2', '-ftree-vectorize', '-fomit-frame-pointer', '-ffast-math', '-funsafe-math-optimizations'])
env.Append(LINKFLAGS=['-O2'])
if env["target"] == "release_debug":
env.Append(CPPFLAGS=['-DDEBUG_ENABLED'])
@ -56,6 +56,10 @@ def configure(env):
elif (env["target"] == "debug"):
env.Append(CPPFLAGS=['-D_DEBUG', '-DDEBUG=1', '-gdwarf-2', '-O0', '-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED'])
if (env["use_lto"]):
env.Append(CPPFLAGS=['-flto'])
env.Append(LINKFLAGS=['-flto'])
## Architecture
if env["ios_sim"] or env["arch"] == "x86": # i386, simulator

1
platform/windows/detect.py
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@ -64,7 +64,6 @@ def get_opts():
return [
('mingw_prefix_32', 'MinGW prefix (Win32)', mingw32),
('mingw_prefix_64', 'MinGW prefix (Win64)', mingw64),
BoolVariable('use_lto', 'Use link time optimization (when using MingW)', False),
EnumVariable('debug_symbols', 'Add debug symbols to release version', 'yes', ('yes', 'no', 'full')),
]

1
platform/x11/detect.py
View File

@ -52,7 +52,6 @@ def get_opts():
BoolVariable('use_static_cpp', 'Link stdc++ statically', False),
BoolVariable('use_sanitizer', 'Use LLVM compiler address sanitizer', False),
BoolVariable('use_leak_sanitizer', 'Use LLVM compiler memory leaks sanitizer (implies use_sanitizer)', False),
BoolVariable('use_lto', 'Use link time optimization', False),
BoolVariable('pulseaudio', 'Detect & use pulseaudio', True),
BoolVariable('udev', 'Use udev for gamepad connection callbacks', False),
EnumVariable('debug_symbols', 'Add debug symbols to release version', 'yes', ('yes', 'no', 'full')),