/usr/share/apr-1.0/build/make_var_export.awk is in libapr1-dev 1.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | # Based on apr's make_export.awk, which is
# based on Ryan Bloom's make_export.pl
/^#[ \t]*if(def)? (AP[RUI]?_|!?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($1)+2)
count++
line = line "#ifdef " macro "\n"
next
}
/^#[ \t]*endif/ {
if (count > 0) {
count--
line = line "#endif /* " macro " */\n"
macro = macro_stack[--macro_no]
}
if (count == 0) {
if (found != 0) {
printf("%s", line)
}
line = ""
}
next
}
function add_symbol (sym_name) {
if (count) {
found++
}
for (i = 0; i < count; i++) {
line = line "\t"
}
line = line sym_name "\n"
if (count == 0) {
printf("%s", line)
line = ""
}
}
/^[ \t]*(extern[ \t]+)?AP[RUI]?_DECLARE_DATA .*;$/ {
varname = $NF;
gsub( /[*;]/, "", varname);
gsub( /\[.*\]/, "", varname);
add_symbol(varname);
}
END {
printf("%s", line)
}
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