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Enable GNU m4 compatibility mode.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=250879
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@ -364,7 +364,7 @@ void check_options ()
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output_chain = filter_create_int(NULL, filter_tee_header, headerfilename);
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if ( !(m4 = getenv("M4")))
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m4 = M4;
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filter_create_ext(output_chain, m4, "-P", 0);
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filter_create_ext(output_chain, m4, "-gP", 0);
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filter_create_int(output_chain, filter_fix_linedirs, NULL);
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/* For debugging, only run the requested number of filters. */
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