# . # # # Based on apr's make_export.awk, which is # based on Ryan Bloom's make_export.pl /^#[ \t]*if(def)? (AP[RU]?_|!?defined).*/ { if (old_filename != FILENAME) { if (old_filename != "") printf("%s", line) macro_no = 0 found = 0 count = 0 old_filename = FILENAME line = "" } macro_stack[macro_no++] = macro macro = substr($0, length($1)+2) count++ line = line "#ifdef " macro "\n" next } /^#[ \t]*endif/ { if (count > 0) { count-- line = line "#endif /* " macro " */\n" macro = macro_stack[--macro_no] } if (count == 0) { if (found != 0) { printf("%s", line) } line = "" } next } function add_symbol (sym_name) { if (count) { found++ } for (i = 0; i < count; i++) { line = line "\t" } line = line sym_name "\n" if (count == 0) { printf("%s", line) line = "" } } /^[ \t]*(extern[ \t]+)?AP[RU]?_DECLARE_DATA .*;$/ { varname = $NF; gsub( /[*;]/, "", varname); gsub( /\[.*\]/, "", varname); add_symbol(varname); } END { printf("%s", line) }