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# $NetBSD: directive-for-null.mk,v 1.3 2022/06/12 15:03:27 rillig Exp $
#
# Test for parsing a .for loop that accidentally contains a null byte.
#
# As of 2020-12-19, there are 3 error messages:
#
# make: "(stdin)" line 2: Zero byte read from file
# make: "(stdin)" line 2: Unexpected end of file in for loop.
# make: "(stdin)" line 3: Zero byte read from file
#
# The one about "end of file" might be misleading but is due to the
# implementation. On both errors and EOF, ParseRawLine returns NULL.
#
# The one about the "zero byte" in line 3 is surprising since the only
# line that contains a null byte is line 2.
all: .PHONY
@printf '%s\n' \
'.for i in 1 2 3' \
'VAR=value' \
'.endfor' \
| tr 'l' '\0' \
| ${MAKE} -f -
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