diff options
Diffstat (limited to 'ext/kcar/extconf.rb')
| -rw-r--r-- | ext/kcar/extconf.rb | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/ext/kcar/extconf.rb b/ext/kcar/extconf.rb index ba69c3c..1608f70 100644 --- a/ext/kcar/extconf.rb +++ b/ext/kcar/extconf.rb @@ -24,8 +24,11 @@ end message('checking if Hash#[]= (rb_hash_aset) dedupes... ') h = {} -h[%w(m k m f).join('')] = :foo -if 'mkmf'.freeze.equal?(h.keys[0]) +x = {} +r = rand.to_s +h[%W(#{r}).join('')] = :foo +x[%W(#{r}).join('')] = :foo +if x.keys[0].equal?(h.keys[0]) $CPPFLAGS += ' -DHASH_ASET_DEDUPE=1 ' message("yes\n") else |