diff --git a/auto/modules b/auto/modules
new file mode 100644
index 0000000..b254e34
--- /dev/null
+++ b/auto/modules
@@ -0,0 +1,32 @@
+
+HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES \
+                     $HTTP_CHUNKED_FILTER_MODULE \
+                     $HTTP_RANGE_FILTER_MODULE \
+                     $HTTP_CHARSET_FILTER_MODULE"
+
+HTTP_MODULES="$HTTP_MODULES $HTTP_STATIC_MODULE $HTTP_INDEX_MODULE"
+
+if [ $HTTP_REWRITE = YES ]; then
+    USE_PCRE=YES
+    HTTP_MODULES="$HTTP_MODULES $HTTP_REWRITE_MODULE"
+    HTTP_SRCS="$HTTP_SRCS $HTTP_REWRITE_SRCS"
+fi
+
+if [ $HTTP_GZIP = YES ]; then
+    USE_ZLIB=YES
+    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_GZIP_FILTER_MODULE"
+    HTTP_SRCS="$HTTP_SRCS $HTTP_GZIP_SRCS"
+fi
+
+if [ $HTTP_SSI = YES ]; then
+    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_SSI_FILTER_MODULE"
+    HTTP_SRCS="$HTTP_SRCS $HTTP_SSI_SRCS"
+fi
+
+if [ $HTTP_PROXY = YES ]; then
+    USE_MD5=YES
+    HTTP_MODULES="$HTTP_MODULES $HTTP_PROXY_MODULE"
+    HTTP_INCS="$HTTP_INCS $HTTP_PROXY_INCS"
+    HTTP_DEPS="$HTTP_DEPS $HTTP_PROXY_DEPS"
+    HTTP_SRCS="$HTTP_SRCS $HTTP_PROXY_SRCS"
+fi