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      1 # $NetBSD: sh-meta-chars.mk,v 1.4 2020/12/07 22:27:56 rillig Exp $
      2 #
      3 # Tests for running shell commands that contain meta-characters.
      4 #
      5 # These meta-characters decide whether the command is run by the shell
      6 # or executed directly via execv, but only in compatibility mode, not
      7 # in jobs mode, and only if MAKE_NATIVE is defined during compilation.
      8 #
      9 # See also:
     10 #	Compat_RunCommand, useShell
     11 
     12 all:
     13 
     14 # The command "exit 0" contains no special characters, therefore it is
     15 # run directly via execv, but only if MAKE_NATIVE is defined.
     16 USING_EXEC!=	{ echo 'all:; exit 0' | ${MAKE} -r -f - 1>/dev/null 2>&1; } \
     17 		&& echo yes || echo no
     18 
     19 # It's hard to do any useful tests that result in the same output.
     20 # See SED_CMDS.sh-dots, which normalizes the test output for the specific
     21 # case of the special command '...'.
     22 .if ${USING_EXEC} != "yes" && ${USING_EXEC} != "no"
     23 .  error
     24 .endif
     25