Change .d to .dep

Makefile

@@ -30,7 +30,7 @@ DOCDIR ?= $(DATADIR)/$(LIBNAME)/doc
 
 SRCS := $(notdir $(wildcard src/*.cpp))
 OBJS := $(SRCS:.cpp=.o)
-DEPS := $(SRCS:.cpp=.d)
+DEPS := $(SRCS:.cpp=.dep)
 HDRS ?= $(wildcard src/*.hpp)
 
 CXX ?= g++
@@ -50,7 +50,7 @@ RM := /bin/rm -rf
 INSTALL := /usr/bin/install -c
 
 vpath %.cpp src
-vpath %.d $(BUILDDIR)
+vpath %.dep $(BUILDDIR)
 vpath %.o $(BUILDDIR)
 
 .PHONY: all clean install prebuild test
@@ -71,9 +71,9 @@ ifeq ($(UNAME_S),Linux)
 	$(CXX) -g -shared -Wl,-soname,$(SONAME) -o $(OUTDIR)$(REALNAME) $(LDFLAGS) $(LDLIBS) $(addprefix $(BUILDDIR),$(OBJS))
 endif
 
-%.o %.d: %.cpp
-	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.d -c $<
-	@mv $@ $*.d $(BUILDDIR)
+%.o %.dep: %.cpp
+	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.dep -c $<
+	@mv $@ $*.dep $(BUILDDIR)
 
 -include $(addprefix $(BUILDDIR), $(DEPS))