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      1  1.4  rillig # $NetBSD: sh-meta-chars.mk,v 1.4 2020/12/07 22:27:56 rillig Exp $
      2  1.1  rillig #
      3  1.2  rillig # Tests for running shell commands that contain meta-characters.
      4  1.2  rillig #
      5  1.2  rillig # These meta-characters decide whether the command is run by the shell
      6  1.3  rillig # or executed directly via execv, but only in compatibility mode, not
      7  1.3  rillig # in jobs mode, and only if MAKE_NATIVE is defined during compilation.
      8  1.3  rillig #
      9  1.3  rillig # See also:
     10  1.3  rillig #	Compat_RunCommand, useShell
     11  1.1  rillig 
     12  1.4  rillig all:
     13  1.4  rillig 
     14  1.4  rillig # The command "exit 0" contains no special characters, therefore it is
     15  1.4  rillig # run directly via execv, but only if MAKE_NATIVE is defined.
     16  1.4  rillig USING_EXEC!=	{ echo 'all:; exit 0' | ${MAKE} -r -f - 1>/dev/null 2>&1; } \
     17  1.4  rillig 		&& echo yes || echo no
     18  1.1  rillig 
     19  1.4  rillig # It's hard to do any useful tests that result in the same output.
     20  1.4  rillig # See SED_CMDS.sh-dots, which normalizes the test output for the specific
     21  1.4  rillig # case of the special command '...'.
     22  1.4  rillig .if ${USING_EXEC} != "yes" && ${USING_EXEC} != "no"
     23  1.4  rillig .  error
     24  1.4  rillig .endif
     25