make: "cond-op.mk" line 51: Malformed conditional '"!word" == !word'
make: "cond-op.mk" line 72: Malformed conditional '0 ${ERR::=evaluated}'
make: "cond-op.mk" line 77: A misplaced expression after 0 is not evaluated.
make: "cond-op.mk" line 82: Malformed conditional '1 ${ERR::=evaluated}'
make: "cond-op.mk" line 87: A misplaced expression after 1 is not evaluated.
make: "cond-op.mk" line 93: A B C   =>   (A || B) && C   A || B && C   A || (B && C)
make: "cond-op.mk" line 108: 0 0 0   =>   0               0             0
make: "cond-op.mk" line 108: 0 0 1   =>   0               0             0
make: "cond-op.mk" line 108: 0 1 0   =>   0               0             0
make: "cond-op.mk" line 108: 0 1 1   =>   1               1             1
make: "cond-op.mk" line 108: 1 0 0   =>   0               1             1
make: "cond-op.mk" line 108: 1 0 1   =>   1               1             1
make: "cond-op.mk" line 108: 1 1 0   =>   0               1             1
make: "cond-op.mk" line 108: 1 1 1   =>   1               1             1
make: "cond-op.mk" line 120: Malformed conditional '1 &&'
make: "cond-op.mk" line 129: Malformed conditional '0 &&'
make: "cond-op.mk" line 138: Malformed conditional '1 ||'
make: "cond-op.mk" line 148: Malformed conditional '0 ||'
make: Fatal errors encountered -- cannot continue
make: stopped making "all" in unit-tests
exit status 1