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| author | Stefan Krah <skrah@bytereef.org> | 2017-08-25 12:07:50 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-08-25 12:07:50 (GMT) |
| commit | 9e1e6f528f3fec16b9bd99f5ee38048ffec04a81 (patch) | |
| tree | 50198597241f55dfc0a9af1392058e8f55225dc4 | |
| parent | a3a6df36b6e0d1d560f8fb2a4873d5b97329c454 (diff) | |
| download | cpython-9e1e6f528f3fec16b9bd99f5ee38048ffec04a81.zip cpython-9e1e6f528f3fec16b9bd99f5ee38048ffec04a81.tar.gz cpython-9e1e6f528f3fec16b9bd99f5ee38048ffec04a81.tar.bz2 | |
bpo-30923: Silence fall-through warnings in libexpat build. (#3205)
| -rw-r--r-- | setup.py | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -1518,6 +1518,7 @@ class PyBuildExt(build_ext): if '--with-system-expat' in sysconfig.get_config_var("CONFIG_ARGS"): expat_inc = [] define_macros = [] + extra_compile_args = [] expat_lib = ['expat'] expat_sources = [] expat_depends = [] @@ -1529,6 +1530,7 @@ class PyBuildExt(build_ext): # call XML_SetHashSalt(), expat entropy sources are not needed ('XML_POOR_ENTROPY', '1'), ] + extra_compile_args = [] expat_lib = [] expat_sources = ['expat/xmlparse.c', 'expat/xmlrole.c', @@ -1546,8 +1548,15 @@ class PyBuildExt(build_ext): 'expat/xmltok_impl.h' ] + cc = sysconfig.get_config_var('CC').split()[0] + ret = os.system( + '"%s" -Werror -Wimplicit-fallthrough -E -xc /dev/null >/dev/null 2>&1' % cc) + if ret >> 8 == 0: + extra_compile_args.append('-Wno-implicit-fallthrough') + exts.append(Extension('pyexpat', define_macros = define_macros, + extra_compile_args = extra_compile_args, include_dirs = expat_inc, libraries = expat_lib, sources = ['pyexpat.c'] + expat_sources, |