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[3.8] bpo-37437: Pass -Wno-unreachable-code when compiling expat. (GH…
…-14473)

(cherry picked from commit 95da310)

Co-authored-by: Benjamin Peterson <benjamin@python.org>
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benjaminp committed Jun 29, 2019
1 parent 323e743 commit 66c42f8
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions setup.py
Expand Up @@ -1599,9 +1599,9 @@ def detect_expat_elementtree(self):

cc = sysconfig.get_config_var('CC').split()[0]
ret = os.system(
'"%s" -Werror -Wimplicit-fallthrough -E -xc /dev/null >/dev/null 2>&1' % cc)
'"%s" -Werror -Wno-unreachable-code -E -xc /dev/null >/dev/null 2>&1' % cc)
if ret >> 8 == 0:
extra_compile_args.append('-Wno-implicit-fallthrough')
extra_compile_args.append('-Wno-unreachable-code')

self.add(Extension('pyexpat',
define_macros=define_macros,
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