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mkmf.rb: force refererence in MAIN_DOES_NOTHING

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* lib/mkmf.rb (MAIN_DOES_NOTHING): ensure symbols for tests to be
  preserved.  [ruby-core:53745] [Bug #8169]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-03-28 15:55:05 +00:00
parent 80466df690
commit 56f2447e5a
2 changed files with 14 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Fri Mar 29 00:54:54 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/mkmf.rb (MAIN_DOES_NOTHING): ensure symbols for tests to be
preserved. [ruby-core:53745] [Bug #8169]
Thu Mar 28 23:11:25 2013 Tanaka Akira <akr@fsij.org>
* lib/resolv.rb: Test Windows platform by detecting LoadError when

11
lib/mkmf.rb
View file

@ -2421,7 +2421,14 @@ MESSAGE
def MAIN_DOES_NOTHING(*refs)
src = MAIN_DOES_NOTHING
src = src.sub(/\{/) {$&+refs.map {|n|"(void)#{n}; "}.join("")}
unless refs.empty?
src = src.sub(/\{/) do
$& +
"\n if (argc > 1000000) {\n" +
refs.map {|n|" printf(\"%p\", &#{n});\n"}.join("") +
" }\n"
end
end
src
end
@ -2532,7 +2539,7 @@ MESSAGE
##
# A C main function which does no work
MAIN_DOES_NOTHING = config_string('MAIN_DOES_NOTHING') || 'int main(void) {return 0;}'
MAIN_DOES_NOTHING = config_string('MAIN_DOES_NOTHING') || "int main(int argc, char **argv)\n{\n return 0;\n}"
UNIVERSAL_INTS = config_string('UNIVERSAL_INTS') {|s| Shellwords.shellwords(s)} ||
%w[int short long long\ long]