Build arrows library if available

arrows is the only library in libraries/extra-packages not built when present

diff --git a/libraries/Makefile b/libraries/Makefile
index a73aad1..41311b3 100644 (file)
--- a/libraries/Makefile
+++ b/libraries/Makefile
@@ -60,6 +60,7 @@ SUBDIRS += $(wildcard ALUT)
 SUBDIRS += $(wildcard stm)
 SUBDIRS += $(wildcard xhtml)
 SUBDIRS += $(wildcard cgi)
+SUBDIRS += $(wildcard arrows)
 ifeq "$(GhcLibsWithObjectIO)" "YES"
 SUBDIRS += $(wildcard ObjectIO)
 endif