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| author | Eric Wong <e@80x24.org> | 2018-12-15 22:29:29 +0000 |
|---|---|---|
| committer | Eric Wong <e@80x24.org> | 2018-12-15 22:30:34 +0000 |
| commit | 94bc4406455923acecb532714c9643cf9940722c (patch) | |
| tree | 7f6b8e6dcd90f27976c4fd8d1dca08fdcc8d4877 | |
| parent | 5ac452d36c2ecacb6398759db7439a5b8a64670e (diff) | |
| download | kcar-94bc4406455923acecb532714c9643cf9940722c.tar.gz | |
We must rely on a random string which is already outside of the Ruby fstring table.
| -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 |