freeswitch/libs/apr/build/make_var_export.awk
Michael Jerris 0488a5109a add apr to in tree libs
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
2006-12-19 19:58:23 +00:00

60 lines
1023 B
Awk

# 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)
}