11.9Srillig# $NetBSD: cond-cmp-numeric.mk,v 1.9 2025/06/28 22:39:28 rillig Exp $ 21.1Srillig# 31.2Srillig# Tests for numeric comparisons in .if conditions. 41.7Srillig# 51.7Srillig# See also: 61.7Srillig# cond-token-number.mk 71.1Srillig 81.3Srillig.MAKEFLAGS: -dc 91.3Srillig 101.3Srillig# The ${:U...} on the left-hand side is necessary for the parser. 111.3Srillig 121.3Srillig# Even if strtod(3) parses "INF" as +Infinity, make does not accept this 131.3Srillig# since it is not really a number; see TryParseNumber. 141.9Srillig# expect+1: Comparison with ">" requires both operands "INF" and "1e100" to be numeric 151.3Srillig.if !(${:UINF} > 1e100) 161.3Srillig. error 171.3Srillig.endif 181.3Srillig 191.3Srillig# Neither is NaN a number; see TryParseNumber. 201.9Srillig# expect+1: Comparison with ">" requires both operands "NaN" and "NaN" to be numeric 211.3Srillig.if ${:UNaN} > NaN 221.3Srillig. error 231.3Srillig.endif 241.3Srillig 251.3Srillig# Since NaN is not parsed as a number, both operands are interpreted 261.3Srillig# as strings and are therefore equal. If they were parsed as numbers, 271.3Srillig# they would compare unequal, since NaN is unequal to any and everything, 281.3Srillig# including itself. 291.3Srillig.if !(${:UNaN} == NaN) 301.3Srillig. error 311.3Srillig.endif 321.1Srillig 331.4Srillig# The parsing code in CondParser_Comparison only performs a light check on 341.4Srillig# whether the operator is valid, leaving the rest of the work to the 351.4Srillig# evaluation functions EvalCompareNum and EvalCompareStr. Ensure that this 361.4Srillig# parse error is properly reported. 371.9Srillig# expect+1: Malformed conditional "123 ! 123" 381.4Srillig.if 123 ! 123 391.4Srillig. error 401.4Srillig.else 411.4Srillig. error 421.4Srillig.endif 431.4Srillig 441.5Srillig# Leading spaces are allowed for numbers. 451.5Srillig# See EvalCompare and TryParseNumber. 461.5Srillig.if ${:U 123} < 124 471.5Srillig.else 481.5Srillig. error 491.5Srillig.endif 501.5Srillig 511.5Srillig# Trailing spaces are NOT allowed for numbers. 521.5Srillig# See EvalCompare and TryParseNumber. 531.9Srillig# expect+1: Comparison with "<" requires both operands "123 " and "124" to be numeric 541.5Srillig.if ${:U123 } < 124 551.5Srillig. error 561.5Srillig.else 571.5Srillig. error 581.5Srillig.endif 591.5Srillig 601.1Srilligall: 61