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extmk.rb: discard empty Makefile

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* ext/extmk.rb (extmake): discard empty Makefile which can be left
  accidentally.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45993 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-05-18 06:08:54 +00:00
parent d7df70c08f
commit e627a028f3
1 changed files with 1 additions and 1 deletions
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2
ext/extmk.rb
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@ -241,7 +241,7 @@ def extmake(target)
$0 = $PROGRAM_NAME
end
end
ok &&= File.open(makefile){|f| !f.gets[DUMMY_SIGNATURE]}
ok &&= File.open(makefile){|f| s = f.gets and !s[DUMMY_SIGNATURE]}
ok = yield(ok) if block_given?
if ok
open(makefile, "r+b") do |f|