update Makefile and .gitignore

Makefile

@@ -16,7 +16,13 @@ override LDFLAGS += $(shell mysql_config --libs)
 # You may simply check the flags later with:
 # $ readelf -p .GCC.command.line rmpsd
 ifeq ($(DEBUG), yes)
-	CFLAGS += -frecord-gcc-switches -g
+	ifeq ($(CC), clang)
+		override CFLAGS += -grecord-gcc-switches -g
+		# Clang 8 starts supporitng -grecord-command-line
+		# Older versions will raise an error.
+	else
+		override CFLAGS += -frecord-gcc-switches -g
+	endif
 endif
 
 SRCDIR		= src
@@ -29,6 +35,8 @@ OBJECTS		:= $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
 EXECUTABLE	= rmpsd
 INSTALLDIR	:= $(DESTDIR)/usr/bin
 
+all: $(BUILDDIR)/$(EXECUTABLE)
+
 $(BUILDDIR)/$(EXECUTABLE): $(OBJECTS)
 ifeq ($(VERBOSE), yes)
 	$(CC) $(OBJECTS) $(LDFLAGS) -o $@