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Define __FILE__ as an empty string in release mode #23196

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Define __FILE__ as an empty string in release mode #23196

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3 changes: 3 additions & 0 deletions tools/system_libs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -765,6 +765,9 @@ def get_cflags(self):
cflags = super().get_cflags()
if not self.is_debug:
cflags += ['-DNDEBUG']
# To make reproducible builds and the results of code size tests
# consistent, don't embed the actual __FILE__ paths in release builds.
cflags += ['-D__FILE__=""', '-Wno-builtin-macro-redefined']
return cflags

def get_base_name(self):
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