1# $NetBSD: cond-func-defined.mk,v 1.10 2023/06/01 20:56:35 rillig Exp $ 2# 3# Tests for the defined() function in .if conditions. 4 5DEF= defined 6${:UA B}= variable name with spaces 7 8.if !defined(DEF) 9. error 10.endif 11 12# Horizontal whitespace (space tab) after the opening parenthesis is ignored. 13.if !defined( DEF) 14. error 15.endif 16 17# Horizontal whitespace (space tab) before the closing parenthesis is ignored. 18.if !defined(DEF ) 19. error 20.endif 21 22# The argument of a function must not directly contain whitespace. 23# expect+1: Missing closing parenthesis for defined() 24.if !defined(A B) 25. error 26.endif 27 28# If necessary, the whitespace can be generated by a variable expression. 29.if !defined(${:UA B}) 30. error 31.endif 32 33# expect+1: Missing closing parenthesis for defined() 34.if defined(DEF 35. error 36.else 37. error 38.endif 39 40# Variables from .for loops are not defined. 41# See directive-for.mk for more details. 42.for var in value 43. if defined(var) 44. error 45. else 46# expect+1: In .for loops, variable expressions for the loop variables are 47. info In .for loops, variable expressions for the loop variables are 48# expect+1: substituted at evaluation time. There is no actual variable 49. info substituted at evaluation time. There is no actual variable 50# expect+1: involved, even if it feels like it. 51. info involved, even if it feels like it. 52. endif 53.endfor 54 55# Neither of the conditions is true. Before July 2020, the right-hand 56# condition was evaluated even though it was irrelevant. 57.if defined(UNDEF) && ${UNDEF:Mx} != "" 58. error 59.endif 60 61all: .PHONY 62