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mkmf.rb: fix werror option

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* lib/mkmf.rb (try_compile): pass the given werror flag to try_do
  to check if stderr is empty.
* lib/mkmf.rb (try_cflags, try_ldflags): default werror to true.
* win32/Makefile.sub (WERRORFLAG): remove useless option.  VC does
  not make warnings of unknown command option an error.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50215 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-04-10 13:29:23 +00:00
parent 6f636adad0
commit aceb11dff4
4 changed files with 17 additions and 7 deletions
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2
ext/date/extconf.rb
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@ -1,5 +1,5 @@
require 'mkmf'
if try_cflags("-std=iso9899:1999", :werror => true)
if try_cflags("-std=iso9899:1999")
$CFLAGS += " " << "-std=iso9899:1999"
end
create_makefile('date_core')