core: etc - basic and advanced configs relocated to misc/examples/pkg

- they are not installed by default anymore
- use 'make install-cfg-extras' to get them installed in the target etc folder

src/Makefile

@@ -702,6 +702,7 @@ $(man_prefix)/$(man_dir)/man5:
 
 # note: sed with POSIX.1 regex doesn't support |, + or ? (darwin, solaris ...)
 install-cfg: $(cfg_prefix)/$(cfg_dir)
+	@# main configuration file
 	@if [ -f ../etc/$(CFG_NAME).cfg ]; then \
 			sed $(foreach m,$(modules_dirs),\
 					-e "s#/usr/[^:]*lib/$(CFG_NAME)/$(m)\([:/\"]\)#$($(m)_target)\1#g") \
@@ -715,34 +716,7 @@ install-cfg: $(cfg_prefix)/$(cfg_dir)
 					$(cfg_prefix)/$(cfg_dir)$(MAIN_NAME).cfg; \
 			fi; \
 		fi
-	@if [ -f ../etc/$(CFG_NAME)-basic.cfg ]; then \
-			sed $(foreach m,$(modules_dirs),\
-					-e "s#/usr/[^:]*lib/$(CFG_NAME)/$(m)\([:/\"]\)#$($(m)_target)\1#g") \
-					-e "s#/usr/local/etc/$(CFG_NAME)/#$(cfg_target)#g" \
-				< ../etc/$(CFG_NAME)-basic.cfg \
-				> $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg.sample; \
-			chmod 644 $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg.sample; \
-			if [ -z "${skip_cfg_install}" -a \
-					! -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg ]; then \
-				mv -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg.sample \
-					$(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg; \
-			fi; \
-		fi
-	@if [ -f ../etc/$(CFG_NAME)-oob.cfg ]; then \
-			sed $(foreach m,$(modules_dirs),\
-					-e "s#/usr/[^:]*lib/$(CFG_NAME)/$(m)\([:/\"]\)#$($(m)_target)\1#g") \
-					-e "s#/usr/local/etc/$(CFG_NAME)/#$(cfg_target)#g" \
-				< ../etc/$(CFG_NAME)-oob.cfg \
-				> $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg.sample; \
-			chmod 644 $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg.sample; \
-			if [ -z "${skip_cfg_install}" -a \
-					! -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg ]; \
-			then \
-				mv -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg.sample \
-					$(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg; \
-			fi; \
-		fi
-	@# other configs
+	@# other configuration files
 	@for r in $(C_INSTALL_CFGS) ""; do \
 			if [ -n "$$r" ]; then \
 				if [ -f "$$r" ]; then \
@@ -768,6 +742,36 @@ install-cfg: $(cfg_prefix)/$(cfg_dir)
 			: ; done; true
 	@echo "config files installed"
 
+# additional examples of configuration files
+install-cfg-extras: $(cfg_prefix)/$(cfg_dir)
+	@if [ -f ../misc/examples/pkg/$(CFG_NAME)-basic.cfg ]; then \
+			sed $(foreach m,$(modules_dirs),\
+					-e "s#/usr/[^:]*lib/$(CFG_NAME)/$(m)\([:/\"]\)#$($(m)_target)\1#g") \
+					-e "s#/usr/local/etc/$(CFG_NAME)/#$(cfg_target)#g" \
+				< ../misc/examples/pkg/$(CFG_NAME)-basic.cfg \
+				> $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg.sample; \
+			chmod 644 $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg.sample; \
+			if [ -z "${skip_cfg_install}" -a \
+					! -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg ]; then \
+				mv -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg.sample \
+					$(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-basic.cfg; \
+			fi; \
+		fi
+	@if [ -f ../misc/examples/pkg/$(CFG_NAME)-oob.cfg ]; then \
+			sed $(foreach m,$(modules_dirs),\
+					-e "s#/usr/[^:]*lib/$(CFG_NAME)/$(m)\([:/\"]\)#$($(m)_target)\1#g") \
+					-e "s#/usr/local/etc/$(CFG_NAME)/#$(cfg_target)#g" \
+				< ../misc/examples/pkg/$(CFG_NAME)-oob.cfg \
+				> $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg.sample; \
+			chmod 644 $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg.sample; \
+			if [ -z "${skip_cfg_install}" -a \
+					! -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg ]; \
+			then \
+				mv -f $(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg.sample \
+					$(cfg_prefix)/$(cfg_dir)$(MAIN_NAME)-advanced.cfg; \
+			fi; \
+		fi
+
 install-cfg-pkg: $(cfg_prefix)/$(cfg_dir)
 	@if [ -f ../misc/examples/pkg/sipcapture.cfg ]; then \
 			sed $(foreach m,$(modules_dirs),\