method
try_const
v1_9_2_180 -
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Class: Object
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378 (0)
- 1_9_2_180 (0)
- 1_9_3_125 (38)
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- 2_6_3
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try_const(const, headers = nil, opt = "", &b)
public
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# File lib/mkmf.rb, line 953 def try_const(const, headers = nil, opt = "", &b) const, type = *const if try_compile(#{cpp_include(headers)}/*top*/typedef #{type || 'int'} conftest_type;conftest_type conftestval = #{type ? '' : '(int)'}#{const};, opt, &b) $defs.push(format("-DHAVE_CONST_%s", const.tr_cpp)) true else false end end