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      1 # $NetBSD: shell-ksh.mk,v 1.2 2025/06/05 21:56:54 rillig Exp $
      2 #
      3 # Tests for using a Korn shell for running the commands.
      4 
      5 KSH!=	which ksh 2> /dev/null || true
      6 
      7 # The shell path must be an absolute path.
      8 # This is only obvious in parallel mode since in compat mode,
      9 # simple commands are executed via execvp directly.
     10 .if ${KSH} != ""
     11 .SHELL: name="ksh" path="${KSH}"
     12 .endif
     13 
     14 # In parallel mode, the shell->noPrint command is filtered from
     15 # the output, rather naively (in PrintOutput).
     16 .MAKEFLAGS: -j1
     17 
     18 all:
     19 .if ${KSH} != ""
     20 	# This command is both printed and executed.
     21 	echo normal
     22 
     23 	# This command is only executed.
     24 	@echo hidden
     25 
     26 	# This command is both printed and executed.
     27 	+echo always
     28 
     29 	# This command is both printed and executed.
     30 	-echo ignore errors
     31 
     32 	# In the Korn shell, "set +v" is set as the noPrint command.
     33 	# Therefore, it is filtered from the output, rather naively.
     34 # FIXME: Don't assume a newline character in PrintFilteredOutput.
     35 # expect: The "is filtered out.
     36 	@echo 'The "set +v" is filtered out.'
     37 .else
     38 	@sed '$$d' ${MAKEFILE:.mk=.exp}	# This is cheated.
     39 .endif
     40