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opt-debug-parse.mk revision 1.7 
      1 # $NetBSD: opt-debug-parse.mk,v 1.7 2022/02/09 21:09:24 rillig Exp $
      2 #
      3 # Tests for the -dp command line option, which adds debug logging about
      4 # makefile parsing.
      5 
      6 .MAKEFLAGS: -dp
      7 
      8 # TODO: Implementation
      9 
     10 # Before parse.c 1.639 from 2022-01-08, PrintStackTrace and other diagnostics
     11 # printed a wrong line number, using the last line before the loop body, while
     12 # it should rather be the line number where the .for loop starts.
     13 #
     14 # Before parse.c 1.643 from 2022-01-08, PrintStackTrace tried to be too clever
     15 # by merging stack trace entries, printing confusing line numbers as a result.
     16 .for \
     17     var \
     18     in \
     19     value
     20 .info trace with multi-line .for loop head
     21 .endfor
     22 
     23 # Before parse.c 1.641 from 2022-01-08, the debug log said it returned to
     24 # the line of the '.include' instead of the line following it.
     25 .include "/dev/null"
     26 
     27 
     28 # In .for loops with multiple variables, the variable details are included in
     29 # the stack trace, just as with a single variable.
     30 .for a b c in 1 2 3 ${:U4 5 6}
     31 .info trace
     32 .endfor
     33 
     34 
     35 .MAKEFLAGS: -d0
     36 
     37 all: .PHONY
     38