From fed9a8415fc77ed42bf9a94ea421eff4f62c5eb4 Mon Sep 17 00:00:00 2001
From: Anthony Ramine <n.oxyde@gmail.com>
Date: Wed, 28 Nov 2012 11:45:47 +0100
Subject: Implement ./otp_build configure --enable-silent-rules

With silent rules, the output of make is less verbose and compilation
warnings are easier to spot. Silent rules are disabled by default and
can be disabled or enabled at will by make V=0 and make V=1.
---
 lib/tools/c_src/Makefile.in | 10 ++++++----
 lib/tools/src/Makefile      |  4 ++--
 2 files changed, 8 insertions(+), 6 deletions(-)

(limited to 'lib/tools')

diff --git a/lib/tools/c_src/Makefile.in b/lib/tools/c_src/Makefile.in
index 0382d3228d..aea5686ae9 100644
--- a/lib/tools/c_src/Makefile.in
+++ b/lib/tools/c_src/Makefile.in
@@ -17,6 +17,7 @@
 # %CopyrightEnd%
 #
 
+include $(ERL_TOP)/make/output.mk
 include $(ERL_TOP)/make/target.mk
 include $(ERL_TOP)/erts/include/internal/$(TARGET)/ethread.mk
 
@@ -150,7 +151,7 @@ _create_dirs := $(shell mkdir -p $(CREATE_DIRS))
 all: $(PROGS) $(DRIVERS)
 
 $(ERTS_LIB):
-	cd $(ERL_TOP)/erts/lib_src && $(MAKE) $(TYPE)
+	$(make_verbose)cd $(ERL_TOP)/erts/lib_src && $(MAKE) $(TYPE)
 
 
 docs:
@@ -167,7 +168,7 @@ clean:
 #
 
 $(EMEM_OBJ_DIR)/%.o: %.c
-	$(CC) $(EMEM_CFLAGS) -o $@ -c $<
+	$(V_CC) $(EMEM_CFLAGS) -o $@ -c $<
 
 #
 # Driver targets
@@ -178,7 +179,7 @@ $(EMEM_OBJ_DIR)/%.o: %.c
 #
 
 $(BIN_DIR)/emem$(TYPEMARKER)@EXEEXT@: $(EMEM_OBJS) $(ERTS_LIB)
-	$(PRE_LD) $(LD) $(EMEM_LDFLAGS) -o $@ $(EMEM_OBJS) $(EMEM_LIBS)
+	$(ld_verbose)$(PRE_LD) $(LD) $(EMEM_LDFLAGS) -o $@ $(EMEM_OBJS) $(EMEM_LIBS)
 
 #
 # Release targets
@@ -221,7 +222,8 @@ SED_DEPEND=sed '$(SED_REPL_OBJ_DIR);$(SED_REPL_TT_DIR);$(SED_REPL_TARGET);$(SED_
 DEPEND_MK=depend.mk
 
 dep depend:
-	@echo "Generating dependency file $(DEPEND_MK)..."
+	[ $(v_p) == 0 ] && echo " GEN	"$(DEPEND_MK)
+	$(V_colon)@echo "Generating dependency file $(DEPEND_MK)..."
 	@echo "# Generated dependency rules." > $(DEPEND_MK);
 	@echo "# Do *not* edit this file; instead, run 'make depend'." \
 		>> $(DEPEND_MK);
diff --git a/lib/tools/src/Makefile b/lib/tools/src/Makefile
index abe1389771..bdd0cdce25 100644
--- a/lib/tools/src/Makefile
+++ b/lib/tools/src/Makefile
@@ -94,10 +94,10 @@ docs:
 # ----------------------------------------------------
 
 $(APP_TARGET): $(APP_SRC) ../vsn.mk
-	sed -e 's;%VSN%;$(VSN);' $< > $@
+	$(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@
 
 $(APPUP_TARGET): $(APPUP_SRC) ../vsn.mk
-	sed -e 's;%VSN%;$(VSN);' $< > $@
+	$(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@
 
 # ----------------------------------------------------
 # Release Target
-- 
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