Add dependency checks to Makefile.
Avoid unfortunate things like breaking the library because the make file
was not previously checking dependencies.
Change-Id: Iab20c3cfa0d1475dfb5c54127646b351df1c4c50
diff --git a/Makefile b/Makefile
index a2186a8..e9a60a4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
CXX := g++
-CXXFLAGS := -W -Wall -g
+CXXFLAGS := -W -Wall -g -MMD -MP
LIBWEBMA := libwebm.a
LIBWEBMSO := libwebm.so
WEBMOBJS := mkvparser.o mkvreader.o mkvmuxer.o mkvmuxerutil.o mkvwriter.o
@@ -10,6 +10,8 @@
OBJECTS3 := dumpvtt.o vttreader.o webvttparser.o
OBJECTS4 := vttdemux.o webvttparser.o
INCLUDES := -I.
+DEPS := $(WEBMOBJS:.o=.d) $(OBJECTS1:.o=.d) $(OBJECTS2:.o=.d)
+DEPS += $(OBJECTS3:.o=.d) $(OBJECTS4:.o=.d)
EXES := samplemuxer sample dumpvtt vttdemux
all: $(EXES)
@@ -44,4 +46,8 @@
$(CXX) -c $(CXXFLAGS) -fPIC $(INCLUDES) $< -o $@
clean:
- $(RM) -f $(OBJECTS1) $(OBJECTS2) $(OBJECTS3) $(OBJECTS4) $(OBJSA) $(OBJSSO) $(LIBWEBMA) $(LIBWEBMSO) $(EXES) Makefile.bak
+ $(RM) -f $(OBJECTS1) $(OBJECTS2) $(OBJECTS3) $(OBJECTS4) $(OBJSA) $(OBJSSO) $(LIBWEBMA) $(LIBWEBMSO) $(EXES) $(DEPS) Makefile.bak
+
+ifneq ($(MAKECMDGOALS), clean)
+ -include $(DEPS)
+endif
