chiark / gitweb /
finalise 1.2.1
[chiark-tcl.git] / Makefile
index 9e73776..74fc544 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,22 @@
 
-SUBDIRS=       base adns hbytes cdb crypto
-# dgram tuntap
+SUBDIRS=       base adns hbytes cdb crypto dgram
+
+ifneq ($(wildcard /usr/include/linux/if_tun.h),)
+SUBDIRS+=      tuntap
+endif
+
+ifneq ($(wildcard /usr/include/wiringPi.h /usr/include/arm-*/wiringPi.h),)
+SUBDIRS+=      wiringpi
+endif
 
 default: all
 
 clean all:
        set -e; for d in $(SUBDIRS); do $(MAKE) -C $$d $@; done
+
+# To find undefined symbols when implementing, for example:
+#
+# liberator:chiark-tcl> LD_LIBRARY_PATH=:adns:base:cdb:crypto:dgram:hbytes:tuntap tclsh8.3
+# % load chiark_tcl_tuntap-1.so
+# couldn't load file "chiark_tcl_tuntap-1.so": tuntap/chiark_tcl_tuntap-1.so: undefined symbol: cht_tunsocket_entries
+# %