shithub: libvpx

--- a/build/make/Makefile

+++ b/build/make/Makefile

@@ -146,6 +146,7 @@

 $(BUILD_PFX)%.c.o: %.c

 	$(if $(quiet),@echo "    [CC] $@")

+	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))

 	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -c -o $@ $<

 $(BUILD_PFX)%.cc.d: %.cc

@@ -155,6 +156,7 @@

 $(BUILD_PFX)%.cc.o: %.cc

 	$(if $(quiet),@echo "    [CXX] $@")

+	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))

 	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<

 $(BUILD_PFX)%.cpp.d: %.cpp

@@ -164,6 +166,7 @@

 $(BUILD_PFX)%.cpp.o: %.cpp

 	$(if $(quiet),@echo "    [CXX] $@")

+	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))

 	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<

 $(BUILD_PFX)%.asm.d: %.asm

@@ -174,6 +177,7 @@

 $(BUILD_PFX)%.asm.o: %.asm

 	$(if $(quiet),@echo "    [AS] $@")

+	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))

 	$(qexec)$(AS) $(ASFLAGS) -o $@ $<

 $(BUILD_PFX)%.s.d: %.s

@@ -184,6 +188,7 @@

 $(BUILD_PFX)%.s.o: %.s

 	$(if $(quiet),@echo "    [AS] $@")

+	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))

 	$(qexec)$(AS) $(ASFLAGS) -o $@ $<

 .PRECIOUS: %.c.S

@@ -190,6 +195,7 @@

 %.c.S: CFLAGS += -DINLINE_ASM

 $(BUILD_PFX)%.c.S: %.c

 	$(if $(quiet),@echo "    [GEN] $@")

+	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))

 	$(qexec)$(CC) -S $(CFLAGS) -o $@ $<

 .PRECIOUS: %.asm.s

@@ -332,9 +338,11 @@

 skip_deps := $(filter %clean,$(MAKECMDGOALS))

 skip_deps += $(findstring testdata,$(MAKECMDGOALS))

 ifeq ($(strip $(skip_deps)),)

-  # Older versions of make don't like -include directives with no arguments

-  ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),)

-    -include $(filter %.d,$(OBJS-yes:.o=.d))

+  ifeq ($(CONFIG_DEPENDENCY_TRACKING),yes)

+    # Older versions of make don't like -include directives with no arguments

+    ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),)

+      -include $(filter %.d,$(OBJS-yes:.o=.d))

+    endif

   endif

 endif

--- a/build/make/configure.sh

+++ b/build/make/configure.sh

@@ -83,6 +83,8 @@

   ${toggle_gprof}             enable/disable gprof profiling instrumentation

   ${toggle_gcov}              enable/disable gcov coverage instrumentation

   ${toggle_thumb}             enable/disable building arm assembly in thumb mode

+  ${toggle_dependency_tracking}

+                              disable to speed up one-time build

 Install options:

   ${toggle_install_docs}      control whether docs are installed

--- a/configure

+++ b/configure

@@ -209,6 +209,7 @@

 enable_feature static

 enable_feature optimizations

+enable_feature dependency_tracking

 enable_feature fast_unaligned #allow unaligned accesses, if supported by hw

 enable_feature spatial_resampling

 enable_feature multithread

@@ -286,6 +287,7 @@

     emulate_hardware

 CONFIG_LIST="

+    dependency_tracking

     external_build

     install_docs

     install_bins

@@ -344,6 +346,7 @@

     ${EXPERIMENT_LIST}

 CMDLINE_SELECT="

+    dependency_tracking

     external_build

     extra_warnings

     werror

--- a/examples.mk

+++ b/examples.mk

@@ -338,6 +338,7 @@

 %.dox: %.c

 	@echo "    [DOXY] $@"

+	@mkdir -p $(dir $@)

 	@echo "/*!\page example_$(@F:.dox=) $(@F:.dox=)" > $@

 	@echo "   \includelineno $(<F)" >> $@

 	@echo "*/" >> $@

--- a/libs.mk

+++ b/libs.mk

@@ -489,7 +489,11 @@

 	@echo "ENABLED_SECTIONS += $(sort $(CODEC_DOC_SECTIONS))" >> $@

 ## Generate rtcd.h for all objects

+ifeq ($(CONFIG_DEPENDENCY_TRACKING),yes)

 $(OBJS-yes:.o=.d): $(RTCD)

+else

+$(OBJS-yes): $(RTCD)

+endif

 ## Update the global src list

 SRCS += $(CODEC_SRCS) $(LIBVPX_TEST_SRCS) $(GTEST_SRCS)