# $NetBSD: cond-op-or.mk,v 1.9 2023/06/01 20:56:35 rillig Exp $ # # Tests for the || operator in .if conditions. .if 0 || 0 . error .endif .if !(1 || 0) . error .endif .if !(0 || 1) . error .endif .if !(1 || 1) . error .endif # The right-hand side is not evaluated since the left-hand side is already # true. .if 1 || ${UNDEF} .endif # When an outer condition makes the inner '||' condition irrelevant, neither # of its operands must be evaluated. This had been wrong in cond.c 1.283 from # 2021-12-09 and was reverted in cond.c 1.284 an hour later. .if 0 && (!defined(UNDEF) || ${UNDEF}) .endif # Test combinations of outer '&&' with inner '||', to ensure that the operands # of the inner '||' is only evaluated if necessary. DEF= defined .if 0 && (${DEF} || ${UNDEF}) .endif .if 0 && (!${DEF} || ${UNDEF}) .endif .if 0 && (${UNDEF} || ${UNDEF}) .endif .if 0 && (!${UNDEF} || ${UNDEF}) .endif .if 1 && (${DEF} || ${UNDEF}) .endif # expect+1: Malformed conditional (1 && (!${DEF} || ${UNDEF}) .if 1 && (!${DEF} || ${UNDEF}) .endif # expect+1: Malformed conditional (1 && (${UNDEF} || ${UNDEF}) .if 1 && (${UNDEF} || ${UNDEF}) .endif # expect+1: Malformed conditional (1 && (!${UNDEF} || ${UNDEF}) .if 1 && (!${UNDEF} || ${UNDEF}) .endif # The || operator may be abbreviated as |. This is not widely known though # and is also not documented in the manual page. .if 0 | 0 . error .endif .if !(1 | 0) . error .endif .if !(0 | 1) . error .endif .if !(1 | 1) . error .endif # There is no operator |||. # expect+1: Malformed conditional (0 ||| 0) .if 0 ||| 0 . error .endif all: @:;