changeset 386:e4510c9eee94 prerelease

Makefile: prompt for distclean, cleanup

--- a/Makefile	Tue Jun 14 11:30:31 2016 +0100
+++ b/Makefile	Tue Jun 14 13:53:08 2016 +0100
@@ -6,13 +6,15 @@
 # This Makefile is intended for use on the BeagleBone Black itself
 # and not for cross-compiling
 
-NO_PROJECT_TARGETS=distclean stop help
+.DEFAULT_GOAL := Bela
+
+NO_PROJECT_TARGETS=coreclean distclean stop help
 NO_PROJECT_TARGETS_MESSAGE=PROJECT or EXAMPLE should be set for all targets except: $(NO_PROJECT_TARGETS)
 # Type `$ make help` to get a description of the functionalities of this Makefile.
 help: ## Show this help
 	@echo 'Usage: make [target] CL=[command line options] [PROJECT=[projectName] | EXAMPLE=[exampleName]]'
-	@echo $(NO_PROJECT_TARGETS_MESSAGE)
-	@echo 'Targets: (default: Bela)'
+	@printf "\n$(NO_PROJECT_TARGETS_MESSAGE)\n\n"
+	@echo 'Targets: (default: $(.DEFAULT_GOAL))'
 	@fgrep -h "##" $(MAKEFILE_LIST) | fgrep -v fgrep | sed -e  's/^\(.*\): .*##\(.*\)/\1:#\2/' | column -t -c 2 -s '#'
 
 # PROJECT or EXAMPLE must be set for targets that are not included in NO_PROJECT_TARGETS
@@ -25,7 +27,7 @@
 endif
 
 # if we are building an example, just copy it to the projects/ folder
-# and tehn treat it as a project
+# and then treat it as a project
 ifdef EXAMPLE
   PROJECT?=exampleTempProject
   PROJECT_DIR?=$(abspath projects/$(PROJECT))
@@ -75,7 +77,6 @@
   endif
 endif
 
-$(warning $(COMPILER))
 ifeq ($(COMPILER), clang)
   CC=clang
   CXX=clang++
@@ -142,7 +143,7 @@
 # Rule for Bela core C++ files
 build/core/%.o: ./core/%.cpp
 	@echo 'Building $(notdir $<)...'
-#	@echo 'Invoking: C++ Compiler'
+#	@echo 'Invoking: C++ Compiler $(CXX)'
 	@$(CXX) $(SYNTAX_FLAG) $(INCLUDES) $(CPP_FLAGS) -Wall -c -fmessage-length=0 -U_FORTIFY_SOURCE -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -o "$@" "$<"
 	@echo ' ...done'
 	@echo ' '
@@ -158,7 +159,7 @@
 # Rule for user-supplied C++ files
 $(PROJECT_DIR)/build/%.o: $(PROJECT_DIR)/%.cpp
 	@echo 'Building $(notdir $<)...'
-#	@echo 'Invoking: C++ Compiler'
+	@echo 'Invoking: C++ Compiler $(CXX)'
 	@$(CXX) $(SYNTAX_FLAG) $(INCLUDES) $(CPP_FLAGS) -Wall -c -fmessage-length=0 -U_FORTIFY_SOURCE -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -o "$@" "$<"
 	@echo ' ...done'
 	@echo ' '
@@ -166,7 +167,7 @@
 # Rule for user-supplied C files
 $(PROJECT_DIR)/build/%.o: $(PROJECT_DIR)/%.c
 	@echo 'Building $(notdir $<)...'
-#	@echo 'Invoking: C Compiler'
+#	@echo 'Invoking: C Compiler $(CC)'
 	$(CC) $(SYNTAX_FLAG) $(INCLUDES) $(C_FLAGS) -Wall -c -fmessage-length=0 -U_FORTIFY_SOURCE -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -o "$@" "$<" -std=c99 
 	@echo ' ...done'
 	@echo ' '
@@ -198,7 +199,20 @@
 	-$(RM) $(PROJECT_DIR)/build/* $(OUTPUT_FILE)
 	-@echo ' '	
 
-distclean: ## Remove all the projects and the built objects, including the core Bela objects. Use with care.
+clean: ## Same as projectclean
+clean: projectclean
+
+coreclean: ## Remove the core's build objects
+	-$(RM) build/*
+
+prompt:
+	@printf "Warning: you are about to DELETE the projects/ folder and its content. This operation cannot be undone. Continue? (y/N) "
+	@read REPLY; if [ $$REPLY !=  y ] && [ $$REPLY != Y ]; then echo "Aborting..."; exit 1; fi
+	
+distclean: ## Restores the Bela folder to a pristine state: remove all the projects source and the built objects, including the core Bela objects.
+distclean: prompt distcleannoprompt
+	
+distcleannoprompt: ## Same as distclean, but does not prompt for confirmation. Use with care.
 	-$(RM) build/source/* $(CORE_OBJS) $(CORE_CPP_DEPS) $(DEFAULT_MAIN_OBJS) $(DEFAULT_MAIN_CPP_DEPS) $(OUTPUT_FILE)
 	-@echo ' '
 
@@ -244,11 +258,5 @@
 stop: ## Stops any Bela program that is currently running
 stop:
 	@PID=`grep $(BELA_AUDIO_THREAD_NAME) /proc/xenomai/stat | cut -d " " -f 5 | sed s/\s//g`; if [ -z $$PID ]; then echo "No process to kill"; else echo "Killing old Bela process $$PID"; kill -2 $$PID; fi; screen -X -S $(SCREEN_NAME) quit > /dev/null; exit 0;
-# Remove only the user-generated objects
-clean: projectclean
 
-post-build:
-# Nothing to do here (for now)
-
-.PHONY: all clean distclean projectclean dependents debug run runfg runscreen stop 
-.SECONDARY: post-build
+.PHONY: all clean distclean help projectclean nostartup startup startuploop debug run runfg runscreen runscreenfg runscreenfifo stop