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varmod-order-numeric.mk revision 1.4 
      1 # $NetBSD: varmod-order-numeric.mk,v 1.4 2021/07/31 20:55:46 rillig Exp $
      2 #
      3 # Tests for the :On variable modifier, which returns the words, sorted in
      4 # ascending numeric order.
      5 
      6 # This list contains only 32-bit numbers since the make code needs to conform
      7 # to C90, which does not provide integer types larger than 32 bit.  It uses
      8 # 'long long' by default, but that type is overridable if necessary.
      9 # To get 53-bit integers even in C90, it would be possible to switch to
     10 # 'double' instead, but that would allow floating-point numbers as well, which
     11 # is out of scope for this variable modifier.
     12 NUMBERS=	3 5 7 1 42 -42 5K -3m 1M 1k -2G
     13 
     14 .if ${NUMBERS:On} != "-2G -3m -42 1 3 5 7 42 1k 5K 1M"
     15 .  error ${NUMBERS:On}
     16 .endif
     17 
     18 .if ${NUMBERS:Orn} != "1M 5K 1k 42 7 5 3 1 -42 -3m -2G"
     19 .  error ${NUMBERS:Orn}
     20 .endif
     21 
     22 # Both ':Onr' and ':Orn' have the same effect.
     23 .if ${NUMBERS:Onr} != "1M 5K 1k 42 7 5 3 1 -42 -3m -2G"
     24 .  error ${NUMBERS:Onr}
     25 .endif
     26 
     27 # If there are several numbers that have the same integer value, they are
     28 # returned in unspecified order.
     29 SAME_VALUE:=	${:U 79 80 0x0050 81 :On}
     30 .if ${SAME_VALUE} != "79 80 0x0050 81" && ${SAME_VALUE} != "79 0x0050 80 81"
     31 .  error ${SAME_VALUE}
     32 .endif
     33 
     34 # Hexadecimal and octal numbers are supported as well.
     35 OCTAL=		0 010 0x7 9
     36 .if ${OCTAL:On} != "0 0x7 010 9"
     37 .  error ${OCTAL:On}
     38 .endif
     39 
     40 all:
     41