patch provided by A. Pogrebennyk - no build errors when using CI system and not installing default config files

apps/Makefile

@@ -58,16 +58,16 @@ clean:
 
 .PHONY: modules
 modules:
-	-@for r in $(app_modules) "" ; do \
-		if [ -n "$$r" ]; then \
+	@for r in $(app_modules) "" ; do \
+		if [ -n "$$r" -a -f "$$r"/Makefile ]; then \
 			echo  "" ; \
 			echo  "" ; \
-			COREPATH=../$(COREPATH) $(MAKE) -C $$r all; \
+			COREPATH=../$(COREPATH) $(MAKE) -C $$r all || exit 1; \
 		fi ; \
 	done 
 
 .PHONY: install
-install: install-bin install-cfg
+install: install-bin
 
 .PHONY: install-bin
 install-bin:

apps/dsm/mods/Makefile

@@ -41,7 +41,7 @@ modules:
 	done 
 
 .PHONY: install
-install: install-bin install-cfg
+install: install-bin
 
 .PHONY: install-bin
 install-bin:

apps/examples/Makefile

@@ -33,7 +33,7 @@ modules:
 	done 
 
 .PHONY: install
-install: install-bin install-cfg
+install: install-bin
 
 .PHONY: install-bin
 install-bin:

apps/examples/tutorial/Makefile

@@ -33,7 +33,7 @@ modules:
 	done 
 
 .PHONY: install
-install: install-bin install-cfg
+install: install-bin
 
 .PHONY: install-bin
 install-bin:

core/Makefile

@@ -70,8 +70,6 @@ $(NAME): $(NAME).o $(OBJS) ../Makefile.defs
 
 install: all mk-install-dirs \
 	install-audio \
-	install-modules-cfg \
-	install-cfg \
 	install-bin \
 	install-modules
 

core/plug-in/Makefile.app_module

@@ -27,12 +27,12 @@ depends  = $(srcs:.cpp=.d)
 
 .PHONY: all
 all: $(extra_target)
-	-@$(MAKE) deps    && \
+	@$(MAKE) deps    && \
 	  $(MAKE) $(lib_full_name)
 
 .PHONY: module_package
 module_package: $(extra_target)
-	-@$(MAKE) deps    && \
+	@$(MAKE) deps    && \
 	  $(MAKE) $(lib_name)