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have_macro

have_macro(macro, headers = nil, opt = "", &b)
Instance Public methods

Returns whether or not macro is defined either in the common header files or within any headers you provide.

Any options you pass to opt are passed along to the compiler.

Links:
  • https://github.com/ruby/ruby/blob/5b37cb25ec6c4faeb0296cad1fbe48a9d7c3a56a/lib/mkmf.rb#L918
doc_ruby_on_rails
doc_ruby_on_rails
2025-01-10 15:47:30
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