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opt
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ruby34
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MakeMakefile
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Filename :
have_var-i.ri
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U:RDoc::AnyMethod[iI" have_var:ETI"MakeMakefile#have_var;TF: publico:RDoc::Markup::Document: @parts[ o: RDoc::Markup::Paragraph; [ I"JReturns whether or not the variable +var+ can be found in the common ;TI"Pheader files, or within any +headers+ that you provide. If found, a macro ;TI"Mis passed as a preprocessor constant to the compiler using the variable ;TI"0name, in uppercase, prepended with +HAVE_+.;To: RDoc::Markup::BlankLine o; ; [I"ITo check variables in an additional library, you need to check that ;TI"5library first using <code>have_library()</code>.;T@o; ; [I"JFor example, if <code>have_var('foo')</code> returned true, then the ;TI"C+HAVE_FOO+ preprocessor macro would be passed to the compiler.;T: @fileI"lib/mkmf.rb;T:0@omit_headings_from_table_of_contents_below000[ I"'(var, headers = nil, opt = "", &b);T@FI"MakeMakefile;TcRDoc::NormalModule00