From 3dc74fcac83363616b0b3fd4906a7140c8135d03 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Mon, 5 Sep 2011 08:11:59 -0300
Subject: [PATCH] labsw/mech/Makefile: fixed error handling of pipes; target
 "pos" for positioning

---
 labsw/mech/Makefile | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/labsw/mech/Makefile b/labsw/mech/Makefile
index 59cdcdf..d1084c0 100644
--- a/labsw/mech/Makefile
+++ b/labsw/mech/Makefile
@@ -1,17 +1,19 @@
+SHELL=/bin/bash
+
 SPOOL=/home/moko/svn.openmoko.org/developers/werner/cncmap/spool/spool
 CNGT=/home/qi/cae-tools/cngt/cngt
 
-.PHONY:		all mill cng plot clean
+.PHONY:		all mill pos cng plot clean
 
 all:		mill.rml
 
 front.gp:	front.fpd
-		fped -g -1 front-cut $< - | ./filter !logo >$@ || \
-		  { rm -f $@; exit 1; }
+		fped -g -1 front-cut $< - | ./filter !logo >$@; \
+		  [ "$${PIPESTATUS[*]}" = "0 0" ] || { rm -f $@; exit 1; }
 
 logo.gp:	front.fpd
-		fped -g -1 front-cut $< - | ./filter logo >$@ || \
-		  { rm -f $@; exit 1; }
+		fped -g -1 front-cut $< - | ./filter logo >$@; \
+		  [ "$${PIPESTATUS[*]}" = "0 0" ] || { rm -f $@; exit 1; }
 
 mill.rml mill.gp: front.gp logo.gp
 		./doit BOARD_Z=1.6mm ENGRAVE_Z=0.5mm CLEARANCE=3mm || \
@@ -20,6 +22,9 @@ mill.rml mill.gp: front.gp logo.gp
 mill:		mill.rml
 		PORT=/dev/ttyUSB0 $(SPOOL) mill.rml
 
+pos:		mill.gp
+		$(CNGT) -57.4
+
 cng:		mill.gp
 		$(CNGT) -57.4 20 mill.gp