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# $NetBSD: cond-func-make-main.mk,v 1.2 2021/04/04 10:13:09 rillig Exp $
#
# Test how accurately the make() function in .if conditions reflects
# what is actually made.
#
# There are several ways to specify what is being made:
#
# 1. The default main target is the first target in the given makefiles that
# is not one of the special targets. For example, .PHONY is special when
# it appears on the left-hand side of the ':'. It is not special on the
# right-hand side though.
#
# 2. Command line arguments that are neither options (-ds or -k) nor variable
# assignments (VAR=value) are interpreted as targets to be made. These
# override the default main target from above.
#
# 3. All sources of the first '.MAIN: sources' line. Any further .MAIN line
# is treated as if .MAIN were a regular name.
#
# This test only covers items 1 and 3. For item 2, see cond-func-make.mk.
first-main-target:
: Making ${.TARGET}.
# Even though the main-target would actually be made at this point, it is
# ignored by the make() function.
.if make(first-main-target)
. error
.endif
# Declaring a target via the .MAIN dependency adds it to the targets to be
# created (opts.create), but only that list was empty at the beginning of
# the line. This implies that several main targets can be set at the name
# time, but they have to be in the same dependency group.
#
# See ParseDependencyTargetSpecial, branch SP_MAIN.
.MAIN: dot-main-target-1a dot-main-target-1b
.if !make(dot-main-target-1a)
. error
.endif
.if !make(dot-main-target-1b)
. error
.endif
dot-main-target-{1,2}{a,b}:
: Making ${.TARGET}.
# At this point, the list of targets to be made (opts.create) is not empty
# anymore. ParseDependencyTargetSpecial therefore treats the .MAIN as if
# it were an ordinary target. Since .MAIN is not listed as a dependency
# anywhere, it is not made.
.if target(.MAIN)
. error
.endif
.MAIN: dot-main-target-2a dot-main-target-2b
.if !target(.MAIN)
. error
.endif
.if make(dot-main-target-2a)
. error
.endif
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