Add the missing AP[RU]_DECLARE_DATA symbols to httpd.exp.

httpd.exp should now be generated automatically.
Any missing symbols are now the fault of awk scripts.
Or rather, their authors. :)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@89316 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 59 insertions, 0 deletions

diff --git a/build/make_var_export.awk b/build/make_var_export.awk
new file mode 100644
index 0000000000..62263f10e6
--- /dev/null
+++ b/build/make_var_export.awk
@@ -0,0 +1,59 @@
+# 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($1)+2)
+	count++
+	line = line "#ifdef " macro "\n"
+	next
+}
+
+/^#[ \t]*endif/ {
+	if (count > 0) {
+		count--
+		line = line "#endif " macro "\n"
+		macro = macro_stack[--macro_no]
+	}
+	if (count == 0) {
+		if (found != 0) {
+			printf("%s", line)
+		}
+		line = ""
+	}
+	next
+}
+
+function add_symbol (sym_name) {
+	if (count) {
+		found++
+	}
+	for (i = 0; i < count; i++) {
+		line = line "\t"
+	}
+	line = line sym_name "\n"
+
+	if (count == 0) {
+		printf("%s", line)
+		line = ""
+	}
+}
+
+/^[ \t]*AP[RU]?_DECLARE_DATA .*;$/ {
+       varname = $NF;
+       gsub( /[*;]/, "", varname);
+       gsub( /\[.*\]/, "", varname);
+       add_symbol(varname);
+}
+
+END {
+	printf("%s", line)
+}