# HG changeset patch
# User Tormod Volden <debian.tormod@gmail.com>
# Date 1389483916 -3600
# Node ID 14b4f2791bb35025b22aa5d85b6c9a2236efa201
# Parent  635275f4498a547652b14762be0cd499aaf3e7ce
Allow selection of ports to build using PORTS variable

When building from the top level directory, a subset of
ports can be specified, some examples:

make PORTS=atari
make PORTS="d64 tano dalpha"
make dsk PORTS=coco3_6309

Note that ports from level2 (coco3 or coco3_6309) can not
be specified together with ports from level1.

diff -r 635275f4498a -r 14b4f2791bb3 level1/makefile
--- a/level1/makefile	Sat Jan 11 22:57:41 2014 +0100
+++ b/level1/makefile	Sun Jan 12 00:45:16 2014 +0100
@@ -1,6 +1,9 @@
 include $(NITROS9DIR)/rules.mak
 
 dirs	= coco1 deluxe coco2 coco2b tano d64 dalpha atari
+ifdef PORTS
+dirs	= $(PORTS)
+endif
 
 # Make all components
 all:
diff -r 635275f4498a -r 14b4f2791bb3 level2/makefile
--- a/level2/makefile	Sat Jan 11 22:57:41 2014 +0100
+++ b/level2/makefile	Sun Jan 12 00:45:16 2014 +0100
@@ -1,6 +1,9 @@
 include $(NITROS9DIR)/rules.mak
 
 dirs	= coco3 coco3_6309
+ifdef PORTS
+dirs	= $(PORTS)
+endif
 
 # Make all components
 all:
diff -r 635275f4498a -r 14b4f2791bb3 makefile
--- a/makefile	Sat Jan 11 22:57:41 2014 +0100
+++ b/makefile	Sun Jan 12 00:45:16 2014 +0100
@@ -8,6 +8,17 @@
 include rules.mak
 
 dirs	=  $(NOSLIB) $(LEVEL1) $(LEVEL2) $(LEVEL3) $(3RDPARTY)
+
+# Allow the user to specify a selection of ports to build
+# All selected ports must be of the same level
+ifdef PORTS
+dirs	=  $(NOSLIB)
+ifneq (,$(findstring coco3,$(PORTS)))
+dirs	+= $(LEVEL2)
+else
+dirs	+= $(LEVEL1)
+endif
+endif
  
 # Make all components
 all: