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cond-op-and.mk revision 1.4 
      1  1.4  rillig # $NetBSD: cond-op-and.mk,v 1.4 2020/09/10 22:38:57 rillig Exp $
      2  1.1  rillig #
      3  1.2  rillig # Tests for the && operator in .if conditions.
      4  1.1  rillig 
      5  1.3  rillig .if 0 && 0
      6  1.3  rillig .error
      7  1.3  rillig .endif
      8  1.3  rillig 
      9  1.3  rillig .if 1 && 0
     10  1.3  rillig .error
     11  1.3  rillig .endif
     12  1.3  rillig 
     13  1.3  rillig .if 0 && 1
     14  1.3  rillig .error
     15  1.3  rillig .endif
     16  1.3  rillig 
     17  1.3  rillig .if !(1 && 1)
     18  1.3  rillig .error
     19  1.3  rillig .endif
     20  1.3  rillig 
     21  1.3  rillig # The right-hand side is not evaluated since the left-hand side is already
     22  1.3  rillig # false.
     23  1.3  rillig .if 0 && ${UNDEF}
     24  1.3  rillig .endif
     25  1.1  rillig 
     26  1.4  rillig # The && operator may be abbreviated as &.  This is not widely known though
     27  1.4  rillig # and is also not documented in the manual page.
     28  1.4  rillig 
     29  1.4  rillig .if 0 & 0
     30  1.4  rillig .  error
     31  1.4  rillig .endif
     32  1.4  rillig .if 1 & 0
     33  1.4  rillig .  error
     34  1.4  rillig .endif
     35  1.4  rillig .if 0 & 1
     36  1.4  rillig .  error
     37  1.4  rillig .endif
     38  1.4  rillig .if !(1 & 1)
     39  1.4  rillig .  error
     40  1.4  rillig .endif
     41  1.4  rillig 
     42  1.4  rillig # There is no operator &&&.
     43  1.4  rillig .if 0 &&& 0
     44  1.4  rillig .  error
     45  1.4  rillig .endif
     46  1.4  rillig 
     47  1.1  rillig all:
     48  1.1  rillig 	@:;
     49