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Smaller Linux .so. Fixes #169

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This commit is contained in:
Fabio Zadrozny 2021-01-15 11:07:31 -03:00
parent 44a07d030e
commit c265d74bc5
1 changed files with 37 additions and 6 deletions
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43
src/debugpy/_vendored/pydevd/setup_cython.py
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@ -161,12 +161,43 @@ def build_extension(dir_name, extension_name, target_pydevd_name, force_cython,
# Always compile the .c (and not the .pyx) file (which we should keep up-to-date by running build_tools/build.py).
from distutils.extension import Extension
ext_modules = [Extension("%s%s.%s" % (dir_name, "_ext" if extended else "", target_pydevd_name,),
c_files,
# uncomment to generate pdbs for visual studio.
# extra_compile_args=["-Zi", "/Od"],
# extra_link_args=["-debug"],
)]
extra_compile_args = []
extra_link_args = []
if 'linux' in sys.platform:
# Enabling -flto brings executable from 4MB to 0.56MB and -Os to 0.41MB
# Profiling shows an execution around 3-5% slower with -Os vs -O3,
# so, kept only -flto.
extra_compile_args = ["-flto", "-O3"]
extra_link_args = extra_compile_args[:]
# Note: also experimented with profile-guided optimization. The executable
# size became a bit smaller (from 0.56MB to 0.5MB) but this would add an
# extra step to run the debugger to obtain the optimizations
# so, skipped it for now (note: the actual benchmarks time was in the
# margin of a 0-1% improvement, which is probably not worth it for
# speed increments).
# extra_compile_args = ["-flto", "-fprofile-generate"]
# ... Run benchmarks ...
# extra_compile_args = ["-flto", "-fprofile-use", "-fprofile-correction"]
elif 'win32' in sys.platform:
pass
# uncomment to generate pdbs for visual studio.
# extra_compile_args=["-Zi", "/Od"]
# extra_link_args=["-debug"]
kwargs = {}
if extra_link_args:
kwargs['extra_link_args'] = extra_link_args
if extra_compile_args:
kwargs['extra_compile_args'] = extra_compile_args
ext_modules = [
Extension(
"%s%s.%s" % (dir_name, "_ext" if extended else "", target_pydevd_name,),
c_files,
**kwargs,
)]
# This is needed in CPython 3.8 to be able to include internal/pycore_pystate.h
# (needed to set PyInterpreterState.eval_frame).