From 185769fbe84d561ef9a1501168d9d9ffa0fec4f7 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 11 Feb 2016 23:46:59 +0000
Subject: [PATCH] Makefile: Profile for .m4 files

---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index 6bff3bf..7e8704a 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@
 
 HRR=/home/reprap
 SLIC3R=$(HRR)/Slic3r/bin/slic3r
+M4=m4
 SKEINFORGE=python $(HRR)/reprappro-software.git/skeinforge/skeinforge_application/skeinforge_utilities/skeinforge_craft.py
 
 CWD := $(shell pwd)
@@ -168,6 +169,9 @@ lemon-stand.stl: lemon-stand.scad
 %:		%.pl
 		./$< >$@.tmp && mv -f $@.tmp $@
 
+%:		%.m4
+		$(M4) -P >$@.tmp $< && mv -f $@.tmp $@
+
 .PRECIOUS: %.auto.scad
 %.auto.scad: $(PLAY)/toplevel-make Makefile $(PLAY)/toplevel-find
 		@echo ' write $@'
-- 
2.30.2