# $NetBSD: cond-op-and.mk,v 1.7 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 # false. .if 0 && ${UNDEF} .endif # When an outer condition makes the inner '&&' condition irrelevant, neither # of its operands must be evaluated. # .if 1 || (${UNDEF} && ${UNDEF}) .endif # Test combinations of outer '||' with inner '&&', to ensure that the operands # of the inner '&&' are only evaluated if necessary. DEF= defined # expect+1: Malformed conditional (0 || (${DEF} && ${UNDEF}) .if 0 || (${DEF} && ${UNDEF}) .endif .if 0 || (!${DEF} && ${UNDEF}) .endif # expect+1: Malformed conditional (0 || (${UNDEF} && ${UNDEF}) .if 0 || (${UNDEF} && ${UNDEF}) .endif # expect+1: Malformed conditional (0 || (!${UNDEF} && ${UNDEF}) .if 0 || (!${UNDEF} && ${UNDEF}) .endif .if 1 || (${DEF} && ${UNDEF}) .endif .if 1 || (!${DEF} && ${UNDEF}) .endif .if 1 || (${UNDEF} && ${UNDEF}) .endif .if 1 || (!${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: @:;