From 5a4a2cdeaff3804484a3404179dd309c43040bf6 Mon Sep 17 00:00:00 2001
Message-Id: <5a4a2cdeaff3804484a3404179dd309c43040bf6.1717764896.git.mdw@distorted.org.uk>
From: Mark Wooding <mdw@chiark.greenend.org.uk>
Date: Tue, 31 May 2011 21:44:41 +0100
Subject: [PATCH] Makefie: Give the main build the silent treatment.
Organization: Straylight/Edgeware

From: Mark Wooding <mdw@distorted.org.uk>

---
 Makefile | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 7fff00d..242bbfd 100644
--- a/Makefile
+++ b/Makefile
@@ -34,6 +34,30 @@ SCRIPTS			 =
 default: all
 .PHONY: default
 
+###--------------------------------------------------------------------------
+### Clever silent-rules stuff.
+
+## Verbosity switch.
+V			 = 0
+
+## Suppressing command output.
+V_AT			 = $(V_AT_$V)
+V_AT_0			 = @
+V_AT_1			 =
+
+## Replacing them with messages.
+v_echo			 = $(call v_echo_$V,$1)
+v_echo_0		 = @printf "  %-6s %s\n" "$1" "$@";
+v_echo_1		 =
+
+## Hacking.
+empty			 =
+space			 = $(empty) $(empty)
+
+## Specific commands.
+V_M4			 = $(call v_echo,M4)m4 -P$(space)
+V_GEN			 = $(call v_echo,GEN)
+
 ###--------------------------------------------------------------------------
 ### Local configuration.
 
@@ -70,9 +94,8 @@ all: $(TARGETS)
 .PHONY: all
 
 %.sh: %.m4 $(M4_SOURCES)
-	m4 -P base.m4 $*.m4 $(MAIN_M4_SOURCES) >$@.new
-	chmod +x $@.new
-	mv $@.new $@
+	$(V_M4)base.m4 $*.m4 $(MAIN_M4_SOURCES) >$@.new
+	$(V_AT)chmod +x $@.new && mv $@.new $@
 
 clean:; rm -f $(TARGETS) *.new
 .PHONY: clean
-- 
[mdw]