bpo-30923: Suppress fall-through warnings in libmpdec. (#2698)

72b54330 · Stefan Krah · GitHub · d3aaa2f1 · 72b54330
Commit 72b54330 authored Jul 13, 2017 by Stefan Krah Committed by GitHub Jul 13, 2017
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setup.py setup.py +3 -0

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--- a/setup.py
+++ b/setup.py
@@ -2119,6 +2119,9 @@ class PyBuildExt(build_ext):
        else:
            raise DistutilsError("_decimal: unsupported architecture")

+        if 'gcc' in cc: # Suppressing the warnings in the source is too verbose.
+            extra_compile_args.append('-Wno-implicit-fallthrough')
+
        # Workarounds for toolchain bugs:
        if sysconfig.get_config_var('HAVE_IPA_PURE_CONST_BUG'):
            # Some versions of gcc miscompile inline asm: