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# $NetBSD: varname-vpath.mk,v 1.3 2020/11/10 00:19:19 rillig Exp $
#
# Tests for the special VPATH variable, which is an obsolete way of
# specifying a colon-separated search path. This search path is not active
# when the makefiles are read, but only later when the shell commands are run.
#
# Instead of the VPATH, better use the -I option or the special target .PATH.
.if !defined(TEST_MAIN)
all: .SILENT
rm -rf varname-vpath.dir
mkdir varname-vpath.dir
touch varname-vpath.dir/file-in-subdirectory
rm -rf varname-vpath.dir2
mkdir varname-vpath.dir2
touch varname-vpath.dir2/file2-in-subdirectory
TEST_MAIN=yes VPATH=varname-vpath.dir:varname-vpath.dir2 \
${MAKE} -f ${MAKEFILE} -dc
rm -r varname-vpath.dir
rm -r varname-vpath.dir2
.else
# The VPATH variable does not take effect at parse time.
# It is evaluated only once, between reading the makefiles and making the
# targets. Therefore it could also be an ordinary variable, it doesn't need
# to be an environment variable or a command line variable.
. if exists(file-in-subdirectory)
. error
. endif
. if exists(file2-in-subdirectory)
. error
. endif
all:
: ${exists(file-in-subdirectory):L:?yes 1:no 1}
: ${exists(file2-in-subdirectory):L:?yes 2:no 2}
.endif
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