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cmd-errors-lint.mk revision 1.2 
      1  1.2  rillig # $NetBSD: cmd-errors-lint.mk,v 1.2 2024/04/23 22:51:28 rillig Exp $
      2  1.1  rillig #
      3  1.2  rillig # Demonstrate how errors in expressions affect whether the commands
      4  1.1  rillig # are actually executed.
      5  1.1  rillig 
      6  1.1  rillig .MAKEFLAGS: -dL
      7  1.1  rillig 
      8  1.2  rillig all: undefined unclosed-expression unclosed-modifier unknown-modifier end
      9  1.1  rillig 
     10  1.2  rillig # Undefined variables in expressions are not an error.  They expand to empty
     11  1.2  rillig # strings.
     12  1.1  rillig undefined:
     13  1.1  rillig 	: $@ ${UNDEFINED}
     14  1.1  rillig 
     15  1.1  rillig # XXX: As of 2020-11-01, this obvious syntax error is not detected.
     16  1.1  rillig # XXX: As of 2020-11-01, this command is executed even though it contains
     17  1.1  rillig # parse errors.
     18  1.2  rillig unclosed-expression:
     19  1.1  rillig 	: $@ ${UNCLOSED
     20  1.1  rillig 
     21  1.1  rillig # XXX: As of 2020-11-01, this obvious syntax error is not detected.
     22  1.1  rillig # XXX: As of 2020-11-01, this command is executed even though it contains
     23  1.1  rillig # parse errors.
     24  1.1  rillig unclosed-modifier:
     25  1.1  rillig 	: $@ ${UNCLOSED:
     26  1.1  rillig 
     27  1.1  rillig # XXX: As of 2020-11-01, this command is executed even though it contains
     28  1.1  rillig # parse errors.
     29  1.1  rillig unknown-modifier:
     30  1.1  rillig 	: $@ ${UNKNOWN:Z}
     31  1.1  rillig 
     32  1.1  rillig end:
     33  1.1  rillig 	: $@
     34