commit 72b543308ee3087e3fa247981f5cb4be1138c515
author Stefan Krah <skrah@bytereef.org> Thu Jul 13 20:54:20 2017 +0200
committer GitHub <noreply@github.com> Thu Jul 13 20:54:20 2017 +0200
tree 48cd325e3c4bcc84ccae4c3b463a6865472c5f28
parent d3aaa2f1496aae0809c9ec9623fa528d3a2c16c2

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

setup.py

diff --git a/setup.py b/setup.py
index 41aad82..4f0f522 100644
--- a/setup.py
+++ b/setup.py
@@ -2119,6 +2119,9 @@
         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: