diff options
Diffstat (limited to 'Tools/peg_generator/pegen/build.py')
| -rw-r--r-- | Tools/peg_generator/pegen/build.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Tools/peg_generator/pegen/build.py b/Tools/peg_generator/pegen/build.py index b80fc854239..61a48d57145 100644 --- a/Tools/peg_generator/pegen/build.py +++ b/Tools/peg_generator/pegen/build.py @@ -1,6 +1,7 @@ import pathlib import shutil import tokenize +import sys import sysconfig import tempfile import itertools @@ -33,6 +34,7 @@ def compile_c_extension( build_dir: Optional[str] = None, verbose: bool = False, keep_asserts: bool = True, + disable_optimization: bool = True, # Significant test_peg_generator speedup. ) -> str: """Compile the generated source for a parser generator into an extension module. @@ -62,6 +64,14 @@ def compile_c_extension( extra_link_args = get_extra_flags("LDFLAGS", "PY_LDFLAGS_NODIST") if keep_asserts: extra_compile_args.append("-UNDEBUG") + if disable_optimization: + if sys.platform == 'win32': + extra_compile_args.append("/Od") + extra_link_args.append("/LTCG:OFF") + else: + extra_compile_args.append("-O0") + if sysconfig.get_config_var("GNULD") == "yes": + extra_link_args.append("-fno-lto") extension = [ Extension( extension_name, |