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directive-else.mk revision 1.5 
      1  1.5  rillig # $NetBSD: directive-else.mk,v 1.5 2020/11/13 08:35:34 rillig Exp $
      2  1.1  rillig #
      3  1.2  rillig # Tests for the .else directive.
      4  1.1  rillig 
      5  1.3  rillig # The .else directive does not take any arguments.
      6  1.3  rillig # As of 2020-08-29, make doesn't warn about this.
      7  1.3  rillig .if 0
      8  1.4  rillig .  warning must not be reached
      9  1.3  rillig .else 123
     10  1.4  rillig .  info ok
     11  1.3  rillig .endif
     12  1.3  rillig 
     13  1.3  rillig .if 1
     14  1.4  rillig .  info ok
     15  1.3  rillig .else 123
     16  1.4  rillig .  warning must not be reached
     17  1.3  rillig .endif
     18  1.3  rillig 
     19  1.3  rillig # An .else without a corresponding .if is an error.
     20  1.3  rillig .else
     21  1.3  rillig 
     22  1.3  rillig # Accidental extra .else directives are detected too.
     23  1.3  rillig .if 0
     24  1.4  rillig .  warning must not be reached
     25  1.3  rillig .else
     26  1.4  rillig .  info ok
     27  1.3  rillig .else
     28  1.4  rillig .  info After an extra .else, everything is skipped.
     29  1.3  rillig .endif
     30  1.1  rillig 
     31  1.5  rillig # An .else may have a comment.  This comment does not count as an argument,
     32  1.5  rillig # therefore no parse error.
     33  1.5  rillig .if 0
     34  1.5  rillig .else # comment
     35  1.5  rillig .endif
     36  1.5  rillig 
     37  1.5  rillig # A variable expression does count as an argument, even if it is empty.
     38  1.5  rillig # XXX: This should be a parse error.
     39  1.5  rillig .if 0
     40  1.5  rillig .else ${:U}
     41  1.5  rillig .endif
     42  1.5  rillig 
     43  1.1  rillig all:
     44  1.1  rillig 	@:;
     45