--- a/osx.mk	Mon Jan 01 19:54:37 2018 +0100
+++ b/osx.mk	Sun Jan 07 12:59:21 2018 +0100
@@ -43,4 +43,4 @@
 APP_EXT =
 
 DAV_CFLAGS = `xml2-config --cflags`
-DAV_LDFLAGS = -lcurl -lxml2 -lpthread
+DAV_LDFLAGS = -framework CoreFoundation -lcurl -lxml2 -lpthread