Current File : //opt/cpanel/ea-ruby24/root/usr/share/ri/system/MakeMakefile/have_func-i.ri
U:RDoc::AnyMethod[iI"have_func:EFI"MakeMakefile#have_func;TF: publico:RDoc::Markup::Document: @parts[
o: RDoc::Markup::Paragraph; [ I"KReturns whether or not the function +func+ 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 function ;TI"0name, in uppercase, prepended with +HAVE_+.;To: RDoc::Markup::BlankLine o;
; [I"ITo check functions in an additional library, you need to check that ;TI"Klibrary first using <code>have_library()</code>. The +func+ shall be ;TI"?either mere function name or function name with arguments.;T@o;
; [I"MFor example, if <code>have_func('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"((func, headers = nil, opt = "", &b);T@FI"MakeMakefile;FcRDoc::NormalModule00
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