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.

5 files changed, 56 insertions, 55 deletions

diff --git a/lib/megaco/examples/meas/Makefile.in b/lib/megaco/examples/meas/Makefile.in
index c517fd21cf..91e342cd9a 100644
--- a/lib/megaco/examples/meas/Makefile.in
+++ b/lib/megaco/examples/meas/Makefile.in
@@ -147,12 +147,12 @@ release_docs_spec:
 # ----------------------------------------------------
 
 meas.sh.skel: meas.sh.skel.src
-	@echo "transforming $< to $@"
-	$(PERL) -p -e 's?%VSN%?$(VSN)? ' < $< > $@
+	$(V_colon)@echo "transforming $< to $@"
+	$(vsn_verbose)$(PERL) -p -e 's?%VSN%?$(VSN)? ' < $< > $@
 
 mstone1.sh.skel: mstone1.sh.skel.src
-	@echo "transforming $< to $@"
-	$(PERL) -p -e 's?%VSN%?$(VSN)? ' < $< > $@
+	$(V_colon)@echo "transforming $< to $@"
+	$(vsn_verbose)$(PERL) -p -e 's?%VSN%?$(VSN)? ' < $< > $@
 
 megaco_codec_transform.$(EMULATOR): megaco_codec_transform.erl
 
diff --git a/lib/megaco/src/app/Makefile b/lib/megaco/src/app/Makefile
index 42030c5b1c..d18da5326a 100644
--- a/lib/megaco/src/app/Makefile
+++ b/lib/megaco/src/app/Makefile
@@ -94,10 +94,10 @@ info:
 # ----------------------------------------------------
 
 $(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);' $< > $@
 
 
 
diff --git a/lib/megaco/src/binary/Makefile b/lib/megaco/src/binary/Makefile
index 660713605e..c1fd66b848 100644
--- a/lib/megaco/src/binary/Makefile
+++ b/lib/megaco/src/binary/Makefile
@@ -129,12 +129,13 @@ opt: prebuild $(TARGET_FILES)
 prebuild: prebuild.skip
 
 prebuild.skip: 
-	@echo "Building prebuild.skip\c"
+	$(gen_verbose)
+	$(V_colon)@echo "Building prebuild.skip\c"
 	@touch prebuild.skip
 	@for a in $(SPEC_ASN1DB); do \
 		echo $$a >> prebuild.skip; \
 	done
-	@echo ""
+	$(V_colon)@echo ""
 
 v1: $(V2_SPEC_BINS)
 
diff --git a/lib/megaco/src/binary/depend.mk b/lib/megaco/src/binary/depend.mk
index a1318079be..2dce45981f 100644
--- a/lib/megaco/src/binary/depend.mk
+++ b/lib/megaco/src/binary/depend.mk
@@ -53,8 +53,8 @@ PER_V3_FLAGS             = $(ASN1_CT_OPTS)
 $(BER_ASN1_V1_SPEC).erl: \
 	$(BER_ASN1_V1_SPEC).set.asn \
 	$(ASN1_V1_SPEC).asn
-	@echo "$(BER_ASN1_V1_SPEC):"
-	$(ERLC) -bber $(BER_V1_FLAGS) $(BER_ASN1_V1_SPEC).set.asn
+	$(V_colon)@echo "$(BER_ASN1_V1_SPEC):"
+	$(asn_verbose)$(ERLC) -bber $(BER_V1_FLAGS) $(BER_ASN1_V1_SPEC).set.asn
 
 $(EBIN)/$(BER_ASN1_V1_SPEC).$(EMULATOR): \
 	$(BER_ASN1_V1_SPEC).erl
@@ -62,8 +62,8 @@ $(EBIN)/$(BER_ASN1_V1_SPEC).$(EMULATOR): \
 $(PER_ASN1_V1_SPEC).erl: \
 	$(PER_ASN1_V1_SPEC).set.asn \
 	$(ASN1_V1_SPEC).asn
-	@echo "$(PER_ASN1_V1_SPEC):"
-	$(ERLC) -bper $(PER_V1_FLAGS) $(PER_ASN1_V1_SPEC).set.asn
+	$(V_colon)@echo "$(PER_ASN1_V1_SPEC):"
+	$(asn_verbose)$(ERLC) -bper $(PER_V1_FLAGS) $(PER_ASN1_V1_SPEC).set.asn
 
 $(EBIN)/$(PER_ASN1_V1_SPEC).$(EMULATOR): \
 	$(PER_ASN1_V1_SPEC).erl
@@ -74,8 +74,8 @@ $(EBIN)/$(PER_ASN1_V1_SPEC).$(EMULATOR): \
 $(BER_ASN1_V2_SPEC).erl: \
 	$(BER_ASN1_V2_SPEC).set.asn \
 	$(ASN1_V2_SPEC).asn
-	@echo "$(BER_ASN1_V2_SPEC):"
-	$(ERLC) -bber $(BER_V2_FLAGS) $(BER_ASN1_V2_SPEC).set.asn
+	$(V_colon)@echo "$(BER_ASN1_V2_SPEC):"
+	$(asn_verbose)$(ERLC) -bber $(BER_V2_FLAGS) $(BER_ASN1_V2_SPEC).set.asn
 
 $(EBIN)/$(BER_ASN1_V2_SPEC).$(EMULATOR): \
 	$(BER_ASN1_V2_SPEC).erl
@@ -83,8 +83,8 @@ $(EBIN)/$(BER_ASN1_V2_SPEC).$(EMULATOR): \
 $(PER_ASN1_V2_SPEC).erl: \
 	$(PER_ASN1_V2_SPEC).set.asn \
 	$(ASN1_V2_SPEC).asn
-	@echo "$(PER_ASN1_V2_SPEC):"
-	$(ERLC) -bper $(PER_V2_FLAGS) $(PER_ASN1_V2_SPEC).set.asn
+	$(V_colon)@echo "$(PER_ASN1_V2_SPEC):"
+	$(asn_verbose)$(ERLC) -bper $(PER_V2_FLAGS) $(PER_ASN1_V2_SPEC).set.asn
 
 $(EBIN)/$(PER_ASN1_V2_SPEC).$(EMULATOR): \
 	$(PER_ASN1_V2_SPEC).erl
@@ -96,8 +96,8 @@ $(EBIN)/$(PER_ASN1_V2_SPEC).$(EMULATOR): \
 $(BER_ASN1_PREV3A_SPEC).erl: \
 	$(BER_ASN1_PREV3A_SPEC).set.asn \
 	$(ASN1_PREV3A_SPEC).asn
-	@echo "$(BER_ASN1_PREV3A_SPEC):"
-	$(ERLC) -bber $(BER_PREV3A_FLAGS) $(BER_ASN1_PREV3A_SPEC).set.asn
+	$(V_colon)@echo "$(BER_ASN1_PREV3A_SPEC):"
+	$(asn_verbose)$(ERLC) -bber $(BER_PREV3A_FLAGS) $(BER_ASN1_PREV3A_SPEC).set.asn
 
 $(EBIN)/$(BER_ASN1_PREV3A_SPEC).$(EMULATOR): \
 	$(BER_ASN1_PREV3A_SPEC).erl
@@ -105,8 +105,8 @@ $(EBIN)/$(BER_ASN1_PREV3A_SPEC).$(EMULATOR): \
 $(PER_ASN1_PREV3A_SPEC).erl: \
 	$(PER_ASN1_PREV3A_SPEC).set.asn \
 	$(ASN1_PREV3A_SPEC).asn
-	@echo "$(PER_ASN1_PREV3A_SPEC):"
-	$(ERLC) -bper $(PER_PREV3A_FLAGS) $(PER_ASN1_PREV3A_SPEC).set.asn
+	$(V_colon)@echo "$(PER_ASN1_PREV3A_SPEC):"
+	$(asn_verbose)$(ERLC) -bper $(PER_PREV3A_FLAGS) $(PER_ASN1_PREV3A_SPEC).set.asn
 
 $(EBIN)/$(PER_ASN1_PREV3A_SPEC).$(EMULATOR): \
 	$(PER_ASN1_PREV3A_SPEC).erl
@@ -117,8 +117,8 @@ $(EBIN)/$(PER_ASN1_PREV3A_SPEC).$(EMULATOR): \
 $(BER_ASN1_PREV3B_SPEC).erl: \
 	$(BER_ASN1_PREV3B_SPEC).set.asn \
 	$(ASN1_PREV3B_SPEC).asn
-	@echo "$(BER_ASN1_PREV3B_SPEC):"
-	$(ERLC) -bber $(BER_PREV3B_FLAGS) $(BER_ASN1_PREV3B_SPEC).set.asn
+	$(V_colon)@echo "$(BER_ASN1_PREV3B_SPEC):"
+	$(asn_verbose)$(ERLC) -bber $(BER_PREV3B_FLAGS) $(BER_ASN1_PREV3B_SPEC).set.asn
 
 $(EBIN)/$(BER_ASN1_PREV3B_SPEC).$(EMULATOR): \
 	$(BER_ASN1_PREV3B_SPEC).erl
@@ -126,8 +126,8 @@ $(EBIN)/$(BER_ASN1_PREV3B_SPEC).$(EMULATOR): \
 $(PER_ASN1_PREV3B_SPEC).erl: \
 	$(PER_ASN1_PREV3B_SPEC).set.asn \
 	$(ASN1_PREV3B_SPEC).asn
-	@echo "$(PER_ASN1_PREV3B_SPEC):"
-	$(ERLC) -bper $(PER_PREV3B_FLAGS) $(PER_ASN1_PREV3B_SPEC).set.asn
+	$(V_colon)@echo "$(PER_ASN1_PREV3B_SPEC):"
+	$(asn_verbose)$(ERLC) -bper $(PER_PREV3B_FLAGS) $(PER_ASN1_PREV3B_SPEC).set.asn
 
 $(EBIN)/$(PER_ASN1_PREV3B_SPEC).$(EMULATOR): \
 	$(PER_ASN1_PREV3B_SPEC).erl
@@ -138,8 +138,8 @@ $(EBIN)/$(PER_ASN1_PREV3B_SPEC).$(EMULATOR): \
 $(BER_ASN1_PREV3C_SPEC).erl: \
 	$(BER_ASN1_PREV3C_SPEC).set.asn \
 	$(ASN1_PREV3C_SPEC).asn
-	@echo "$(BER_ASN1_PREV3C_SPEC):"
-	$(ERLC) -bber $(BER_PREV3C_FLAGS) $(BER_ASN1_PREV3C_SPEC).set.asn
+	$(V_colon)@echo "$(BER_ASN1_PREV3C_SPEC):"
+	$(asn_verbose)$(ERLC) -bber $(BER_PREV3C_FLAGS) $(BER_ASN1_PREV3C_SPEC).set.asn
 
 $(EBIN)/$(BER_ASN1_PREV3C_SPEC).$(EMULATOR): \
 	$(BER_ASN1_PREV3C_SPEC).erl
@@ -147,8 +147,8 @@ $(EBIN)/$(BER_ASN1_PREV3C_SPEC).$(EMULATOR): \
 $(PER_ASN1_PREV3C_SPEC).erl: \
 	$(PER_ASN1_PREV3C_SPEC).set.asn \
 	$(ASN1_PREV3C_SPEC).asn
-	@echo "$(PER_ASN1_PREV3C_SPEC):"
-	$(ERLC) -bper $(PER_PREV3C_FLAGS) $(PER_ASN1_PREV3C_SPEC).set.asn
+	$(V_colon)@echo "$(PER_ASN1_PREV3C_SPEC):"
+	$(asn_verbose)$(ERLC) -bper $(PER_PREV3C_FLAGS) $(PER_ASN1_PREV3C_SPEC).set.asn
 
 $(EBIN)/$(PER_ASN1_PREV3C_SPEC).$(EMULATOR): \
 	$(PER_ASN1_PREV3C_SPEC).erl
@@ -159,8 +159,8 @@ $(EBIN)/$(PER_ASN1_PREV3C_SPEC).$(EMULATOR): \
 $(BER_ASN1_V3_SPEC).erl: \
 	$(BER_ASN1_V3_SPEC).set.asn \
 	$(ASN1_V3_SPEC).asn
-	@echo "$(BER_ASN1_V3_SPEC):"
-	$(ERLC) -bber $(BER_V3_FLAGS) $(BER_ASN1_V3_SPEC).set.asn
+	$(V_colon)@echo "$(BER_ASN1_V3_SPEC):"
+	$(asn_verbose)$(ERLC) -bber $(BER_V3_FLAGS) $(BER_ASN1_V3_SPEC).set.asn
 
 $(EBIN)/$(BER_ASN1_V3_SPEC).$(EMULATOR): \
 	$(BER_ASN1_V3_SPEC).erl
@@ -168,8 +168,8 @@ $(EBIN)/$(BER_ASN1_V3_SPEC).$(EMULATOR): \
 $(PER_ASN1_V3_SPEC).erl: \
 	$(PER_ASN1_V3_SPEC).set.asn \
 	$(ASN1_V3_SPEC).asn
-	@echo "$(PER_ASN1_V3_SPEC):"
-	$(ERLC) -bper $(PER_V3_FLAGS) $(PER_ASN1_V3_SPEC).set.asn
+	$(V_colon)@echo "$(PER_ASN1_V3_SPEC):"
+	$(asn_verbose)$(ERLC) -bper $(PER_V3_FLAGS) $(PER_ASN1_V3_SPEC).set.asn
 
 $(EBIN)/$(PER_ASN1_V3_SPEC).$(EMULATOR): \
 	$(PER_ASN1_V3_SPEC).erl
diff --git a/lib/megaco/src/flex/Makefile.in b/lib/megaco/src/flex/Makefile.in
index cb5f5412f4..6111cf2304 100644
--- a/lib/megaco/src/flex/Makefile.in
+++ b/lib/megaco/src/flex/Makefile.in
@@ -319,16 +319,16 @@ release_docs_spec:
 
 $(STD_DRV).flex: megaco_flex_scanner_drv.flex.src
 ifeq ($(ENABLE_MEGACO_FLEX_SCANNER_LINENO),true)
-	@printf "std [flex] scanner - lineno enabled\n"
-	$(PERL) -p -e \
+	$(V_colon)@printf "std [flex] scanner - lineno enabled\n"
+	$(gen_verbose)$(PERL) -p -e \
           's/%FLEX_VERSION%/$(FLEX_VSN)/ ;  \
            s/%MEGACO_YY_LINENO_OPTION%/%option yylineno/ ;  \
            s/%MEGACO_YY_REENTRANT_OPTION%/\/\* %option reentrant \*\// ; \
            s/%MEGACO_DUMMY_DECL_YY_LINENO%/\/* static int yylineno = 1; *\//' \
            < $< > $@
 else
-	@printf "std [flex] scanner - lineno disabled\n"
-	$(PERL) -p -e \
+	$(V_colon)@printf "std [flex] scanner - lineno disabled\n"
+	$(gen_verbose)$(PERL) -p -e \
           's/%FLEX_VERSION%/$(FLEX_VSN)/ ;  \
            s/%MEGACO_YY_LINENO_OPTION%/\/\* %option yylineno \*\// ; \
            s/%MEGACO_YY_REENTRANT_OPTION%/\/\* %option reentrant \*\// ; \
@@ -339,16 +339,16 @@ endif
 $(MT_DRV).flex: megaco_flex_scanner_drv.flex.src
 ifeq ($(ENABLE_MEGACO_FLEX_SCANNER_LINENO),true)
 ifeq ($(ENABLE_REENTRANT_MEGACO_FLEX_SCANNER),true)
-	@printf "multi-threaded reentrant [flex] scanner - lineno enabled\n"
-	$(PERL) -p -e \
+	$(V_colon)@printf "multi-threaded reentrant [flex] scanner - lineno enabled\n"
+	$(gen_verbose)$(PERL) -p -e \
           's/%FLEX_VERSION%/$(FLEX_VSN)/ ;  \
            s/%MEGACO_YY_LINENO_OPTION%/%option yylineno/ ;  \
            s/%MEGACO_YY_REENTRANT_OPTION%/%option reentrant/ ;  \
            s/%MEGACO_DUMMY_DECL_YY_LINENO%/\/* static int yylineno = 1; *\//' \
            < $< > $@
 else
-	@printf "multi-threaded non-reentrant [flex] scanner - lineno enabled\n"
-	$(PERL) -p -e \
+	$(V_colon)@printf "multi-threaded non-reentrant [flex] scanner - lineno enabled\n"
+	$(gen_verbose)$(PERL) -p -e \
           's/%FLEX_VERSION%/$(FLEX_VSN)/ ;  \
            s/%MEGACO_YY_LINENO_OPTION%/%option yylineno/ ;  \
            s/%MEGACO_YY_REENTRANT_OPTION%/\/\* %option reentrant \*\// ; \
@@ -357,16 +357,16 @@ else
 endif
 else
 ifeq ($(ENABLE_REENTRANT_MEGACO_FLEX_SCANNER),true)
-	@printf "multi-threaded reentrant [flex] scanner - lineno disabled\n"
-	$(PERL) -p -e \
+	$(V_colon)@printf "multi-threaded reentrant [flex] scanner - lineno disabled\n"
+	$(gen_verbose)$(PERL) -p -e \
           's/%FLEX_VERSION%/$(FLEX_VSN)/ ;  \
            s/%MEGACO_YY_LINENO_OPTION%/\/\* %option yylineno \*\// ; \
            s/%MEGACO_YY_REENTRANT_OPTION%/%option reentrant/ ;  \
            s/%MEGACO_DUMMY_DECL_YY_LINENO%/\/* static int yylineno = 1; - REENTRANT SCANNER*\//' \
            < $< > $@
 else
-	@printf "multi-threaded non-reentrant [flex] scanner - lineno disabled\n"
-	$(PERL) -p -e \
+	$(V_colon)@printf "multi-threaded non-reentrant [flex] scanner - lineno disabled\n"
+	$(gen_verbose)$(PERL) -p -e \
           's/%FLEX_VERSION%/$(FLEX_VSN)/ ;  \
            s/%MEGACO_YY_LINENO_OPTION%/\/\* %option yylineno \*\// ; \
            s/%MEGACO_YY_REENTRANT_OPTION%/\/\* %option reentrant \*\// ; \
@@ -376,31 +376,31 @@ endif
 endif
 
 # megaco_flex_scanner_drv.c: megaco_flex_scanner_drv.flex
-# 	$(LEX) $(LEX_FLAGS) -P$* -o$@ $< 
+# 	$(V_LEX) $(LEX_FLAGS) -P$* -o$@ $<
 $(STD_DRV).c: $(STD_DRV).flex
-	$(LEX) $(STD_LEX_FLAGS) -P$* -o$@ $< 
+	$(V_LEX) $(STD_LEX_FLAGS) -P$* -o$@ $<
 $(MT_DRV).c: $(MT_DRV).flex
-	$(LEX) $(MT_LEX_FLAGS) -P$* -o$@ $< 
+	$(V_LEX) $(MT_LEX_FLAGS) -P$* -o$@ $<
 
 _create_dirs := $(shell mkdir -p $(OBJDIR) $(LIBDIR))
 
 solibs: $(SOLIBS) 
 
 $(OBJDIR)/$(STD_DRV).o: $(STD_DRV).c 
-	@echo "compiling std driver:"
-	$(CC) -c $(STD_DRV_NAME) $(CFLAGS) -o $@ $< 
+	$(V_colon)@echo "compiling std driver:"
+	$(V_CC) -c $(STD_DRV_NAME) $(CFLAGS) -o $@ $<
 
 $(OBJDIR)/$(MT_DRV).o: $(MT_DRV).c 
-	@echo "compiling multi-threaded driver:"
-	$(CC) -c $(MT_DRV_NAME) $(CFLAGS_MT) -o $@ $<
+	$(V_colon)@echo "compiling multi-threaded driver:"
+	$(V_CC) -c $(MT_DRV_NAME) $(CFLAGS_MT) -o $@ $<
 
 
 # No need to link with -lfl as we have also defined %option noyywrap - 
 # and having -lfl doesn't work under Darwin for some reason. - Sean
 $(LIBDIR)/$(STD_DRV).$(DED_EXT): $(OBJDIR)/$(STD_DRV).o
-	@echo "linking std driver:"
-	$(LD) $(LDFLAGS) -o $@ $< 
+	$(V_colon)@echo "linking std driver:"
+	$(V_LD) $(LDFLAGS) -o $@ $<
 
 $(LIBDIR)/$(MT_DRV).$(DED_EXT): $(OBJDIR)/$(MT_DRV).o
-	@echo "linking multi-threaded driver:"
-	$(LD) $(LDFLAGS) -o $@ $< 
+	$(V_colon)@echo "linking multi-threaded driver:"
+	$(V_LD) $(LDFLAGS) -o $@ $<