X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-tcl.git;a=blobdiff_plain;f=Makefile;h=b457d711b0b519333abb0534469c51f12fbd7524;hp=446e5554e3356fd44d2631b1f64d19d22745ae5d;hb=cf8e1e165e29df4b0e161751e9e952b75236c932;hpb=ee7c86e23a2f4a2484484d461f695aa1b32ff04a

diff --git a/Makefile b/Makefile
index 446e555..b457d71 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
 
-SUBDIRS=	base adns hbytes cdb crypto
-# dgram tuntap
+SUBDIRS=	base adns hbytes cdb crypto dgram tuntap
+
+ifneq ($(wildcard /usr/include/wiringPi.h /usr/include/arm-*/wiringPi.h),)
+SUBDIRS+=	wiringpi
+endif
 
 default: all
 
@@ -9,19 +12,7 @@ clean all:
 
 # To find undefined symbols when implementing, for example:
 #
-# liberator:cdb> ld /usr/bin/tclsh8.3 ../base/chiark-tcl.so ../hbytes/chiark_tcl_hbytes.so ../cdb/chiark_tcl_cdb.so -ltcl8.3
-# ld: warning: cannot find entry symbol _start; defaulting to 00000000080486ac
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbwr_delete'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbwr_lookup_hb'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbwr_open_okjunk'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdb_lookup_hb'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbwr_lookup'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdb_close'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdb_lookup'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbtoplevel_cdb'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbwr_update_hb'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdb_open'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbwr_update'
-# ../cdb/chiark_tcl_cdb.so: undefined reference to `cht_do_cdbtoplevel_cdb_wr'
-# Segmentation fault
-# liberator:cdb>
+# 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
+# %