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directive-else.mk revision 1.9 
      1 # $NetBSD: directive-else.mk,v 1.9 2023/11/19 21:47:52 rillig Exp $
      2 #
      3 # Tests for the .else directive.
      4 #
      5 # Since 2020-11-13, an '.else' followed by extraneous text generates a parse
      6 # error in -dL (lint) mode.
      7 #
      8 # Since 2020-12-15, an '.else' followed by extraneous text always generates
      9 # a parse error.
     10 
     11 .if 0
     12 .  warning must not be reached
     13 # expect+1: The .else directive does not take arguments
     14 .else 123
     15 # expect+1: ok
     16 .  info ok
     17 .endif
     18 
     19 .if 1
     20 # expect+1: ok
     21 .  info ok
     22 # expect+1: The .else directive does not take arguments
     23 .else 123
     24 .  warning must not be reached
     25 .endif
     26 
     27 # An .else without a corresponding .if is an error.
     28 # expect+1: if-less else
     29 .else
     30 
     31 # Accidental extra .else directives are detected too.
     32 .if 0
     33 .  warning must not be reached
     34 .else
     35 # expect+1: ok
     36 .  info ok
     37 # expect+1: warning: extra else
     38 .else
     39 .  info After an extra .else, everything is skipped.
     40 .endif
     41 
     42 # An .else may have a comment.  This comment does not count as an argument,
     43 # therefore no parse error.
     44 .if 0
     45 .else # comment
     46 .endif
     47 
     48 # An expression does count as an argument, even if it is empty.
     49 .if 0
     50 # expect+1: The .else directive does not take arguments
     51 .else ${:U}
     52 .endif
     53 
     54 all:
     55 	@:;
     56