1# $NetBSD: cond-op-or.mk,v 1.8 2021/12/10 19:14:35 rillig Exp $ 2# 3# Tests for the || operator in .if conditions. 4 5.if 0 || 0 6. error 7.endif 8 9.if !(1 || 0) 10. error 11.endif 12 13.if !(0 || 1) 14. error 15.endif 16 17.if !(1 || 1) 18. error 19.endif 20 21 22# The right-hand side is not evaluated since the left-hand side is already 23# true. 24.if 1 || ${UNDEF} 25.endif 26 27# When an outer condition makes the inner '||' condition irrelevant, neither 28# of its operands must be evaluated. This had been wrong in cond.c 1.283 from 29# 2021-12-09 and was reverted in cond.c 1.284 an hour later. 30.if 0 && (!defined(UNDEF) || ${UNDEF}) 31.endif 32 33# Test combinations of outer '&&' with inner '||', to ensure that the operands 34# of the inner '||' is only evaluated if necessary. 35DEF= defined 36.if 0 && (${DEF} || ${UNDEF}) 37.endif 38.if 0 && (!${DEF} || ${UNDEF}) 39.endif 40.if 0 && (${UNDEF} || ${UNDEF}) 41.endif 42.if 0 && (!${UNDEF} || ${UNDEF}) 43.endif 44.if 1 && (${DEF} || ${UNDEF}) 45.endif 46.if 1 && (!${DEF} || ${UNDEF}) 47.endif 48.if 1 && (${UNDEF} || ${UNDEF}) 49.endif 50.if 1 && (!${UNDEF} || ${UNDEF}) 51.endif 52 53 54# The || operator may be abbreviated as |. This is not widely known though 55# and is also not documented in the manual page. 56 57.if 0 | 0 58. error 59.endif 60.if !(1 | 0) 61. error 62.endif 63.if !(0 | 1) 64. error 65.endif 66.if !(1 | 1) 67. error 68.endif 69 70# There is no operator |||. 71.if 0 ||| 0 72. error 73.endif 74 75all: 76 @:; 77