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* lib/mkmf.rb (try_func): ignore empty opts.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33697 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2011-11-10 06:13:37 +00:00
parent cfe220d8f3
commit fc5f37f0e1
1 changed files with 5 additions and 2 deletions
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7
lib/mkmf.rb
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@ -625,14 +625,17 @@ def try_func(func, libs, headers = nil, opt = "", &b)
break opt = opt.send(meth, *args)
end
end
opt = "#{opt} #{libs}"
else
opt = libs
end
try_link(<<"SRC", "#{opt} #{libs}", &b) or
try_link(<<"SRC", opt, &b) or
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}
int t() { #{decltype["volatile p"]}; p = (#{decltype[]})#{func}; return 0; }
SRC
call && try_link(<<"SRC", "#{opt} #{libs}", &b)
call && try_link(<<"SRC", opt, &b)
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}