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# $NetBSD: depsrc.mk,v 1.4 2020/12/22 19:38:44 rillig Exp $
#
# Tests for special sources (those starting with a dot, followed by
# uppercase letters) in dependency declarations, such as .PHONY.
# TODO: Implementation
# TODO: Test 'target: ${:U.SILENT}'
# Demonstrate when exactly undefined variables are expanded in a dependency
# declaration.
target: .PHONY source-${DEFINED_LATER}
#
DEFINED_LATER= later
#
source-: .PHONY
: 'Undefined variables are expanded directly in the dependency'
: 'declaration. They are not preserved and maybe expanded later.'
: 'This is in contrast to local variables such as $${.TARGET}.'
source-later: .PHONY
: 'Undefined variables are tried to be expanded in a dependency'
: 'declaration. If that fails because the variable is undefined,'
: 'the expression is preserved and tried to be expanded later.'
all:
@:;
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