add comments on using static build and cached config
diff --git a/bin/couchdb_config.sh b/bin/couchdb_config.sh
index 16c85a7..741766b 100755
--- a/bin/couchdb_config.sh
+++ b/bin/couchdb_config.sh
@@ -2,6 +2,10 @@
 COUCH_TOP=`pwd`
 export COUCH_TOP
 
+# use config.cache to save hours of time on cygwin
+#--cache-file=/tmp/couchdb_config.cache \
+### --enable-static \
+
 ./configure \
 --prefix=$ERL_TOP/release/win32 \
 --with-erlang=$ERL_TOP/release/win32/usr/include \
@@ -11,7 +15,6 @@
 --with-msvc-redist-dir=/relax \
 --with-js-lib=/relax/tracemonkey-57a6ad20eae9/js/src/dist/lib \
 --with-js-include=/relax/tracemonkey-57a6ad20eae9/js/src/dist/include \
---enable-static \
 2>&1 | tee $COUCH_TOP/build_configure.txt
 
 echo DONE. | tee -a $COUCH_TOP/build_configure.txt