a BSD make tool (derived from NetBSD’s make).
| cond-cmp-numeric.mk (bmake-20201101) | : | cond-cmp-numeric.mk (bmake-20201117) |
|---|
|
| # $NetBSD: cond-cmp-numeric.mk,v 1.3 2020/09/12 18:01:51 rillig Exp $ | | # $NetBSD: cond-cmp-numeric.mk,v 1.4 2020/11/08 22:56:16 rillig Exp $ |
| # | | # |
| # Tests for numeric comparisons in .if conditions. | | # Tests for numeric comparisons in .if conditions. |
| | |
| .MAKEFLAGS: -dc | | .MAKEFLAGS: -dc |
| | |
| # The ${:U...} on the left-hand side is necessary for the parser. | | # The ${:U...} on the left-hand side is necessary for the parser. |
| | |
| # Even if strtod(3) parses "INF" as +Infinity, make does not accept this | | # Even if strtod(3) parses "INF" as +Infinity, make does not accept this |
| # since it is not really a number; see TryParseNumber. | | # since it is not really a number; see TryParseNumber. |
| .if !(${:UINF} > 1e100) | | .if !(${:UINF} > 1e100) |
| | |
| skipping to change at line 28 | | skipping to change at line 28 |
|---|
| .endif | | .endif |
| | |
| # Since NaN is not parsed as a number, both operands are interpreted | | # Since NaN is not parsed as a number, both operands are interpreted |
| # as strings and are therefore equal. If they were parsed as numbers, | | # as strings and are therefore equal. If they were parsed as numbers, |
| # they would compare unequal, since NaN is unequal to any and everything, | | # they would compare unequal, since NaN is unequal to any and everything, |
| # including itself. | | # including itself. |
| .if !(${:UNaN} == NaN) | | .if !(${:UNaN} == NaN) |
| . error | | . error |
| .endif | | .endif |
| | |
|
| | # The parsing code in CondParser_Comparison only performs a light check on |
| | # whether the operator is valid, leaving the rest of the work to the |
| | # evaluation functions EvalCompareNum and EvalCompareStr. Ensure that this |
| | # parse error is properly reported. |
| | # |
| | # XXX: The warning message does not mention the actual operator. |
| | .if 123 ! 123 |
| | . error |
| | .else |
| | . error |
| | .endif |
| | |
| all: | | all: |
| @:; | | @:; |
| | | |
| End of changes. 2 change blocks. |
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| 1 lines changed or deleted | | 13 lines changed or added |
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